./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_04-munge_nr.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_856e77a1-fe06-44de-9c91-3845e5eb79ac/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_856e77a1-fe06-44de-9c91-3845e5eb79ac/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_856e77a1-fe06-44de-9c91-3845e5eb79ac/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_856e77a1-fe06-44de-9c91-3845e5eb79ac/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_04-munge_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_856e77a1-fe06-44de-9c91-3845e5eb79ac/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_856e77a1-fe06-44de-9c91-3845e5eb79ac/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 09d5acb2f81ee0994352651dad5f891cf0af6948836360f3240d2ea1a246e8a6 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:05:53,577 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:05:53,651 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_856e77a1-fe06-44de-9c91-3845e5eb79ac/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-31 22:05:53,656 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:05:53,657 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:05:53,693 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:05:53,694 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:05:53,695 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:05:53,695 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:05:53,696 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:05:53,697 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:05:53,697 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:05:53,697 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:05:53,698 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:05:53,699 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:05:53,699 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:05:53,700 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:05:53,700 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:05:53,700 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:05:53,701 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:05:53,701 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:05:53,702 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:05:53,702 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-31 22:05:53,703 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:05:53,703 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:05:53,703 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:05:53,704 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:05:53,704 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:05:53,705 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:05:53,705 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:05:53,705 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:05:53,706 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:05:53,706 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:05:53,707 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:05:53,707 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:05:53,707 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:05:53,708 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:05:53,708 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:05:53,708 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:05:53,708 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:05:53,709 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:05:53,709 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_856e77a1-fe06-44de-9c91-3845e5eb79ac/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_856e77a1-fe06-44de-9c91-3845e5eb79ac/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 09d5acb2f81ee0994352651dad5f891cf0af6948836360f3240d2ea1a246e8a6 [2024-10-31 22:05:54,007 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:05:54,040 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:05:54,043 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:05:54,045 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:05:54,046 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:05:54,047 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_856e77a1-fe06-44de-9c91-3845e5eb79ac/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/goblint-regression/04-mutex_04-munge_nr.i Unable to find full path for "g++" [2024-10-31 22:05:56,039 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:05:56,380 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:05:56,381 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_856e77a1-fe06-44de-9c91-3845e5eb79ac/sv-benchmarks/c/goblint-regression/04-mutex_04-munge_nr.i [2024-10-31 22:05:56,395 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_856e77a1-fe06-44de-9c91-3845e5eb79ac/bin/uautomizer-verify-4GaUIPS5ZU/data/fc98dfd4c/6fe43836a5ea4c748ebccac25385a66c/FLAG3ea3bfdfb [2024-10-31 22:05:56,635 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_856e77a1-fe06-44de-9c91-3845e5eb79ac/bin/uautomizer-verify-4GaUIPS5ZU/data/fc98dfd4c/6fe43836a5ea4c748ebccac25385a66c [2024-10-31 22:05:56,638 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:05:56,639 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:05:56,641 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:05:56,641 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:05:56,648 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:05:56,648 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:05:56" (1/1) ... [2024-10-31 22:05:56,650 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1eaf0a65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:56, skipping insertion in model container [2024-10-31 22:05:56,650 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:05:56" (1/1) ... [2024-10-31 22:05:56,710 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:05:57,238 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:05:57,259 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:05:57,306 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:05:57,369 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:05:57,369 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:57 WrapperNode [2024-10-31 22:05:57,369 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:05:57,370 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:05:57,370 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:05:57,370 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:05:57,379 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:57" (1/1) ... [2024-10-31 22:05:57,393 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:57" (1/1) ... [2024-10-31 22:05:57,422 INFO L138 Inliner]: procedures = 263, calls = 13, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 55 [2024-10-31 22:05:57,423 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:05:57,424 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:05:57,424 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:05:57,424 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:05:57,433 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:57" (1/1) ... [2024-10-31 22:05:57,433 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:57" (1/1) ... [2024-10-31 22:05:57,436 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:57" (1/1) ... [2024-10-31 22:05:57,437 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:57" (1/1) ... [2024-10-31 22:05:57,445 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:57" (1/1) ... [2024-10-31 22:05:57,447 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:57" (1/1) ... [2024-10-31 22:05:57,448 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:57" (1/1) ... [2024-10-31 22:05:57,449 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:57" (1/1) ... [2024-10-31 22:05:57,452 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:05:57,453 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:05:57,453 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:05:57,453 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:05:57,454 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:57" (1/1) ... [2024-10-31 22:05:57,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:05:57,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_856e77a1-fe06-44de-9c91-3845e5eb79ac/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:05:57,493 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_856e77a1-fe06-44de-9c91-3845e5eb79ac/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:05:57,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_856e77a1-fe06-44de-9c91-3845e5eb79ac/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:05:57,533 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-10-31 22:05:57,533 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-10-31 22:05:57,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:05:57,534 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-10-31 22:05:57,534 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-10-31 22:05:57,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-31 22:05:57,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:05:57,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:05:57,536 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 22:05:57,719 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:05:57,721 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:05:57,874 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-31 22:05:57,875 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:05:57,927 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:05:57,927 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-31 22:05:57,927 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:05:57 BoogieIcfgContainer [2024-10-31 22:05:57,928 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:05:57,932 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:05:57,932 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:05:57,936 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:05:57,936 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:05:56" (1/3) ... [2024-10-31 22:05:57,937 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@572a876 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:05:57, skipping insertion in model container [2024-10-31 22:05:57,937 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:57" (2/3) ... [2024-10-31 22:05:57,938 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@572a876 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:05:57, skipping insertion in model container [2024-10-31 22:05:57,938 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:05:57" (3/3) ... [2024-10-31 22:05:57,939 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_04-munge_nr.i [2024-10-31 22:05:57,974 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:05:57,974 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-10-31 22:05:57,975 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-31 22:05:58,035 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-10-31 22:05:58,074 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 68 places, 64 transitions, 135 flow [2024-10-31 22:05:58,124 INFO L124 PetriNetUnfolderBase]: 0/63 cut-off events. [2024-10-31 22:05:58,125 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-31 22:05:58,128 INFO L83 FinitePrefix]: Finished finitePrefix Result has 68 conditions, 63 events. 0/63 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 49 event pairs, 0 based on Foata normal form. 0/59 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2024-10-31 22:05:58,128 INFO L82 GeneralOperation]: Start removeDead. Operand has 68 places, 64 transitions, 135 flow [2024-10-31 22:05:58,133 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 62 places, 58 transitions, 119 flow [2024-10-31 22:05:58,142 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:05:58,149 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;@18950bbc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:05:58,149 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-10-31 22:05:58,161 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-31 22:05:58,162 INFO L124 PetriNetUnfolderBase]: 0/31 cut-off events. [2024-10-31 22:05:58,162 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 22:05:58,162 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:05:58,163 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] [2024-10-31 22:05:58,163 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-10-31 22:05:58,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:05:58,169 INFO L85 PathProgramCache]: Analyzing trace with hash 511625068, now seen corresponding path program 1 times [2024-10-31 22:05:58,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:05:58,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455465871] [2024-10-31 22:05:58,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:05:58,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:05:58,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:58,417 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 22:05:58,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:05:58,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455465871] [2024-10-31 22:05:58,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1455465871] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:05:58,419 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:05:58,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:05:58,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547649103] [2024-10-31 22:05:58,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:05:58,431 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:05:58,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:05:58,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:05:58,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:05:58,506 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 50 out of 64 [2024-10-31 22:05:58,509 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 58 transitions, 119 flow. Second operand has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 0 states have call successors, (0), 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 22:05:58,509 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:05:58,509 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 50 of 64 [2024-10-31 22:05:58,510 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:05:58,618 INFO L124 PetriNetUnfolderBase]: 31/195 cut-off events. [2024-10-31 22:05:58,618 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-31 22:05:58,620 INFO L83 FinitePrefix]: Finished finitePrefix Result has 279 conditions, 195 events. 31/195 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 807 event pairs, 13 based on Foata normal form. 0/178 useless extension candidates. Maximal degree in co-relation 256. Up to 44 conditions per place. [2024-10-31 22:05:58,623 INFO L140 encePairwiseOnDemand]: 56/64 looper letters, 17 selfloop transitions, 6 changer transitions 0/68 dead transitions. [2024-10-31 22:05:58,623 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 68 transitions, 185 flow [2024-10-31 22:05:58,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:05:58,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:05:58,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 175 transitions. [2024-10-31 22:05:58,637 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9114583333333334 [2024-10-31 22:05:58,639 INFO L175 Difference]: Start difference. First operand has 62 places, 58 transitions, 119 flow. Second operand 3 states and 175 transitions. [2024-10-31 22:05:58,640 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 68 transitions, 185 flow [2024-10-31 22:05:58,644 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 68 transitions, 184 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 22:05:58,651 INFO L231 Difference]: Finished difference. Result has 65 places, 64 transitions, 170 flow [2024-10-31 22:05:58,653 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=64, PETRI_DIFFERENCE_MINUEND_FLOW=118, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=170, PETRI_PLACES=65, PETRI_TRANSITIONS=64} [2024-10-31 22:05:58,660 INFO L277 CegarLoopForPetriNet]: 62 programPoint places, 3 predicate places. [2024-10-31 22:05:58,660 INFO L471 AbstractCegarLoop]: Abstraction has has 65 places, 64 transitions, 170 flow [2024-10-31 22:05:58,661 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 0 states have call successors, (0), 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 22:05:58,661 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:05:58,661 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] [2024-10-31 22:05:58,661 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:05:58,662 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-10-31 22:05:58,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:05:58,662 INFO L85 PathProgramCache]: Analyzing trace with hash -1442047057, now seen corresponding path program 1 times [2024-10-31 22:05:58,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:05:58,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981510250] [2024-10-31 22:05:58,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:05:58,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:05:58,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:58,820 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 22:05:58,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:05:58,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981510250] [2024-10-31 22:05:58,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981510250] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:05:58,821 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:05:58,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:05:58,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893323471] [2024-10-31 22:05:58,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:05:58,823 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:05:58,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:05:58,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:05:58,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:05:58,856 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 64 [2024-10-31 22:05:58,857 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 64 transitions, 170 flow. Second operand has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 0 states have call successors, (0), 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 22:05:58,857 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:05:58,857 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 64 [2024-10-31 22:05:58,857 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:05:58,964 INFO L124 PetriNetUnfolderBase]: 56/263 cut-off events. [2024-10-31 22:05:58,965 INFO L125 PetriNetUnfolderBase]: For 107/115 co-relation queries the response was YES. [2024-10-31 22:05:58,966 INFO L83 FinitePrefix]: Finished finitePrefix Result has 500 conditions, 263 events. 56/263 cut-off events. For 107/115 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1284 event pairs, 30 based on Foata normal form. 4/250 useless extension candidates. Maximal degree in co-relation 476. Up to 108 conditions per place. [2024-10-31 22:05:58,968 INFO L140 encePairwiseOnDemand]: 58/64 looper letters, 18 selfloop transitions, 7 changer transitions 1/71 dead transitions. [2024-10-31 22:05:58,968 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 71 transitions, 246 flow [2024-10-31 22:05:58,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:05:58,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:05:58,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 166 transitions. [2024-10-31 22:05:58,973 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8645833333333334 [2024-10-31 22:05:58,973 INFO L175 Difference]: Start difference. First operand has 65 places, 64 transitions, 170 flow. Second operand 3 states and 166 transitions. [2024-10-31 22:05:58,973 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 71 transitions, 246 flow [2024-10-31 22:05:58,978 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 71 transitions, 230 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:05:58,980 INFO L231 Difference]: Finished difference. Result has 67 places, 69 transitions, 214 flow [2024-10-31 22:05:58,980 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=64, PETRI_DIFFERENCE_MINUEND_FLOW=158, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=214, PETRI_PLACES=67, PETRI_TRANSITIONS=69} [2024-10-31 22:05:58,981 INFO L277 CegarLoopForPetriNet]: 62 programPoint places, 5 predicate places. [2024-10-31 22:05:58,982 INFO L471 AbstractCegarLoop]: Abstraction has has 67 places, 69 transitions, 214 flow [2024-10-31 22:05:58,983 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 0 states have call successors, (0), 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 22:05:58,983 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:05:58,984 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] [2024-10-31 22:05:58,984 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 22:05:58,985 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-10-31 22:05:58,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:05:58,986 INFO L85 PathProgramCache]: Analyzing trace with hash -118161824, now seen corresponding path program 1 times [2024-10-31 22:05:58,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:05:58,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648261185] [2024-10-31 22:05:58,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:05:58,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:05:59,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:59,056 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 22:05:59,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:05:59,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648261185] [2024-10-31 22:05:59,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648261185] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:05:59,057 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:05:59,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:05:59,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655844996] [2024-10-31 22:05:59,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:05:59,058 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:05:59,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:05:59,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:05:59,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:05:59,097 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 64 [2024-10-31 22:05:59,097 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 69 transitions, 214 flow. Second operand has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 0 states have call successors, (0), 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 22:05:59,098 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:05:59,100 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 64 [2024-10-31 22:05:59,100 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:05:59,226 INFO L124 PetriNetUnfolderBase]: 69/295 cut-off events. [2024-10-31 22:05:59,226 INFO L125 PetriNetUnfolderBase]: For 207/215 co-relation queries the response was YES. [2024-10-31 22:05:59,228 INFO L83 FinitePrefix]: Finished finitePrefix Result has 642 conditions, 295 events. 69/295 cut-off events. For 207/215 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 1435 event pairs, 30 based on Foata normal form. 2/281 useless extension candidates. Maximal degree in co-relation 617. Up to 125 conditions per place. [2024-10-31 22:05:59,230 INFO L140 encePairwiseOnDemand]: 58/64 looper letters, 17 selfloop transitions, 7 changer transitions 7/76 dead transitions. [2024-10-31 22:05:59,231 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 76 transitions, 300 flow [2024-10-31 22:05:59,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:05:59,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:05:59,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 166 transitions. [2024-10-31 22:05:59,235 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8645833333333334 [2024-10-31 22:05:59,235 INFO L175 Difference]: Start difference. First operand has 67 places, 69 transitions, 214 flow. Second operand 3 states and 166 transitions. [2024-10-31 22:05:59,237 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 76 transitions, 300 flow [2024-10-31 22:05:59,239 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 76 transitions, 282 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:05:59,242 INFO L231 Difference]: Finished difference. Result has 69 places, 68 transitions, 232 flow [2024-10-31 22:05:59,243 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=64, PETRI_DIFFERENCE_MINUEND_FLOW=200, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=232, PETRI_PLACES=69, PETRI_TRANSITIONS=68} [2024-10-31 22:05:59,244 INFO L277 CegarLoopForPetriNet]: 62 programPoint places, 7 predicate places. [2024-10-31 22:05:59,245 INFO L471 AbstractCegarLoop]: Abstraction has has 69 places, 68 transitions, 232 flow [2024-10-31 22:05:59,245 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 0 states have call successors, (0), 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 22:05:59,246 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:05:59,246 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] [2024-10-31 22:05:59,246 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-31 22:05:59,247 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-10-31 22:05:59,247 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:05:59,248 INFO L85 PathProgramCache]: Analyzing trace with hash -175451875, now seen corresponding path program 1 times [2024-10-31 22:05:59,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:05:59,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246764078] [2024-10-31 22:05:59,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:05:59,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:05:59,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:59,670 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 22:05:59,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:05:59,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246764078] [2024-10-31 22:05:59,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1246764078] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:05:59,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:05:59,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-31 22:05:59,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979816571] [2024-10-31 22:05:59,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:05:59,672 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-31 22:05:59,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:05:59,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-31 22:05:59,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-31 22:05:59,822 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 47 out of 64 [2024-10-31 22:05:59,822 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 68 transitions, 232 flow. Second operand has 7 states, 7 states have (on average 48.42857142857143) internal successors, (339), 7 states have internal predecessors, (339), 0 states have call successors, (0), 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 22:05:59,823 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:05:59,823 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 47 of 64 [2024-10-31 22:05:59,823 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:06:00,171 INFO L124 PetriNetUnfolderBase]: 72/423 cut-off events. [2024-10-31 22:06:00,172 INFO L125 PetriNetUnfolderBase]: For 185/185 co-relation queries the response was YES. [2024-10-31 22:06:00,174 INFO L83 FinitePrefix]: Finished finitePrefix Result has 865 conditions, 423 events. 72/423 cut-off events. For 185/185 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 2425 event pairs, 16 based on Foata normal form. 1/415 useless extension candidates. Maximal degree in co-relation 838. Up to 54 conditions per place. [2024-10-31 22:06:00,178 INFO L140 encePairwiseOnDemand]: 54/64 looper letters, 17 selfloop transitions, 14 changer transitions 21/104 dead transitions. [2024-10-31 22:06:00,178 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 104 transitions, 408 flow [2024-10-31 22:06:00,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-31 22:06:00,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-10-31 22:06:00,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 570 transitions. [2024-10-31 22:06:00,185 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8096590909090909 [2024-10-31 22:06:00,185 INFO L175 Difference]: Start difference. First operand has 69 places, 68 transitions, 232 flow. Second operand 11 states and 570 transitions. [2024-10-31 22:06:00,185 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 104 transitions, 408 flow [2024-10-31 22:06:00,189 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 104 transitions, 394 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:06:00,191 INFO L231 Difference]: Finished difference. Result has 79 places, 74 transitions, 264 flow [2024-10-31 22:06:00,192 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=64, PETRI_DIFFERENCE_MINUEND_FLOW=218, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=264, PETRI_PLACES=79, PETRI_TRANSITIONS=74} [2024-10-31 22:06:00,192 INFO L277 CegarLoopForPetriNet]: 62 programPoint places, 17 predicate places. [2024-10-31 22:06:00,192 INFO L471 AbstractCegarLoop]: Abstraction has has 79 places, 74 transitions, 264 flow [2024-10-31 22:06:00,193 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 48.42857142857143) internal successors, (339), 7 states have internal predecessors, (339), 0 states have call successors, (0), 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 22:06:00,194 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:06:00,194 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] [2024-10-31 22:06:00,194 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-31 22:06:00,195 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-10-31 22:06:00,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:06:00,196 INFO L85 PathProgramCache]: Analyzing trace with hash -157100995, now seen corresponding path program 2 times [2024-10-31 22:06:00,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:06:00,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506477349] [2024-10-31 22:06:00,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:06:00,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:06:00,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:00,472 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 22:06:00,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:06:00,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506477349] [2024-10-31 22:06:00,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506477349] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:06:00,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:06:00,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-31 22:06:00,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641630050] [2024-10-31 22:06:00,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:06:00,474 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-31 22:06:00,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:06:00,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-31 22:06:00,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-31 22:06:00,586 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 47 out of 64 [2024-10-31 22:06:00,587 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 74 transitions, 264 flow. Second operand has 7 states, 7 states have (on average 48.42857142857143) internal successors, (339), 7 states have internal predecessors, (339), 0 states have call successors, (0), 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 22:06:00,587 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:06:00,587 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 47 of 64 [2024-10-31 22:06:00,588 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:06:00,904 INFO L124 PetriNetUnfolderBase]: 67/495 cut-off events. [2024-10-31 22:06:00,904 INFO L125 PetriNetUnfolderBase]: For 244/252 co-relation queries the response was YES. [2024-10-31 22:06:00,906 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1101 conditions, 495 events. 67/495 cut-off events. For 244/252 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 3206 event pairs, 9 based on Foata normal form. 9/490 useless extension candidates. Maximal degree in co-relation 1072. Up to 76 conditions per place. [2024-10-31 22:06:00,908 INFO L140 encePairwiseOnDemand]: 53/64 looper letters, 23 selfloop transitions, 18 changer transitions 7/100 dead transitions. [2024-10-31 22:06:00,908 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 100 transitions, 452 flow [2024-10-31 22:06:00,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-31 22:06:00,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-10-31 22:06:00,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 516 transitions. [2024-10-31 22:06:00,911 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.80625 [2024-10-31 22:06:00,911 INFO L175 Difference]: Start difference. First operand has 79 places, 74 transitions, 264 flow. Second operand 10 states and 516 transitions. [2024-10-31 22:06:00,911 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 100 transitions, 452 flow [2024-10-31 22:06:00,917 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 100 transitions, 446 flow, removed 3 selfloop flow, removed 1 redundant places. [2024-10-31 22:06:00,919 INFO L231 Difference]: Finished difference. Result has 91 places, 83 transitions, 369 flow [2024-10-31 22:06:00,921 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=64, PETRI_DIFFERENCE_MINUEND_FLOW=262, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=369, PETRI_PLACES=91, PETRI_TRANSITIONS=83} [2024-10-31 22:06:00,922 INFO L277 CegarLoopForPetriNet]: 62 programPoint places, 29 predicate places. [2024-10-31 22:06:00,922 INFO L471 AbstractCegarLoop]: Abstraction has has 91 places, 83 transitions, 369 flow [2024-10-31 22:06:00,923 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 48.42857142857143) internal successors, (339), 7 states have internal predecessors, (339), 0 states have call successors, (0), 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 22:06:00,923 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:06:00,923 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] [2024-10-31 22:06:00,923 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-31 22:06:00,924 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-10-31 22:06:00,924 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:06:00,924 INFO L85 PathProgramCache]: Analyzing trace with hash -1907650449, now seen corresponding path program 3 times [2024-10-31 22:06:00,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:06:00,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687455196] [2024-10-31 22:06:00,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:06:00,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:06:00,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:01,129 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 22:06:01,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:06:01,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687455196] [2024-10-31 22:06:01,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [687455196] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:06:01,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:06:01,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-31 22:06:01,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102630021] [2024-10-31 22:06:01,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:06:01,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-31 22:06:01,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:06:01,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-31 22:06:01,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-31 22:06:01,236 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 47 out of 64 [2024-10-31 22:06:01,237 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 83 transitions, 369 flow. Second operand has 7 states, 7 states have (on average 48.42857142857143) internal successors, (339), 7 states have internal predecessors, (339), 0 states have call successors, (0), 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 22:06:01,237 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:06:01,237 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 47 of 64 [2024-10-31 22:06:01,237 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:06:01,576 INFO L124 PetriNetUnfolderBase]: 94/642 cut-off events. [2024-10-31 22:06:01,577 INFO L125 PetriNetUnfolderBase]: For 620/636 co-relation queries the response was YES. [2024-10-31 22:06:01,579 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1624 conditions, 642 events. 94/642 cut-off events. For 620/636 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 4707 event pairs, 16 based on Foata normal form. 9/631 useless extension candidates. Maximal degree in co-relation 1598. Up to 102 conditions per place. [2024-10-31 22:06:01,581 INFO L140 encePairwiseOnDemand]: 53/64 looper letters, 22 selfloop transitions, 26 changer transitions 3/103 dead transitions. [2024-10-31 22:06:01,581 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 103 transitions, 577 flow [2024-10-31 22:06:01,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-31 22:06:01,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-10-31 22:06:01,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 559 transitions. [2024-10-31 22:06:01,598 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7940340909090909 [2024-10-31 22:06:01,598 INFO L175 Difference]: Start difference. First operand has 91 places, 83 transitions, 369 flow. Second operand 11 states and 559 transitions. [2024-10-31 22:06:01,598 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 103 transitions, 577 flow [2024-10-31 22:06:01,604 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 103 transitions, 553 flow, removed 5 selfloop flow, removed 5 redundant places. [2024-10-31 22:06:01,606 INFO L231 Difference]: Finished difference. Result has 98 places, 92 transitions, 494 flow [2024-10-31 22:06:01,607 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=64, PETRI_DIFFERENCE_MINUEND_FLOW=353, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=494, PETRI_PLACES=98, PETRI_TRANSITIONS=92} [2024-10-31 22:06:01,609 INFO L277 CegarLoopForPetriNet]: 62 programPoint places, 36 predicate places. [2024-10-31 22:06:01,610 INFO L471 AbstractCegarLoop]: Abstraction has has 98 places, 92 transitions, 494 flow [2024-10-31 22:06:01,611 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 48.42857142857143) internal successors, (339), 7 states have internal predecessors, (339), 0 states have call successors, (0), 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 22:06:01,611 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:06:01,611 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] [2024-10-31 22:06:01,611 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-31 22:06:01,612 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-10-31 22:06:01,612 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:06:01,612 INFO L85 PathProgramCache]: Analyzing trace with hash 1213033765, now seen corresponding path program 4 times [2024-10-31 22:06:01,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:06:01,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383097317] [2024-10-31 22:06:01,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:06:01,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:06:01,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:01,806 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 22:06:01,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:06:01,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383097317] [2024-10-31 22:06:01,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [383097317] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:06:01,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:06:01,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-31 22:06:01,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147434093] [2024-10-31 22:06:01,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:06:01,807 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-31 22:06:01,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:06:01,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-31 22:06:01,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-31 22:06:01,893 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 47 out of 64 [2024-10-31 22:06:01,893 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 92 transitions, 494 flow. Second operand has 7 states, 7 states have (on average 48.42857142857143) internal successors, (339), 7 states have internal predecessors, (339), 0 states have call successors, (0), 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 22:06:01,893 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:06:01,894 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 47 of 64 [2024-10-31 22:06:01,894 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:06:02,214 INFO L124 PetriNetUnfolderBase]: 93/647 cut-off events. [2024-10-31 22:06:02,214 INFO L125 PetriNetUnfolderBase]: For 1040/1054 co-relation queries the response was YES. [2024-10-31 22:06:02,217 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1735 conditions, 647 events. 93/647 cut-off events. For 1040/1054 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 4731 event pairs, 13 based on Foata normal form. 10/639 useless extension candidates. Maximal degree in co-relation 1699. Up to 104 conditions per place. [2024-10-31 22:06:02,220 INFO L140 encePairwiseOnDemand]: 53/64 looper letters, 26 selfloop transitions, 26 changer transitions 2/106 dead transitions. [2024-10-31 22:06:02,221 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 106 transitions, 669 flow [2024-10-31 22:06:02,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-31 22:06:02,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-10-31 22:06:02,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 568 transitions. [2024-10-31 22:06:02,223 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8068181818181818 [2024-10-31 22:06:02,223 INFO L175 Difference]: Start difference. First operand has 98 places, 92 transitions, 494 flow. Second operand 11 states and 568 transitions. [2024-10-31 22:06:02,223 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 106 transitions, 669 flow [2024-10-31 22:06:02,228 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 106 transitions, 651 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-10-31 22:06:02,230 INFO L231 Difference]: Finished difference. Result has 108 places, 96 transitions, 588 flow [2024-10-31 22:06:02,230 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=64, PETRI_DIFFERENCE_MINUEND_FLOW=478, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=588, PETRI_PLACES=108, PETRI_TRANSITIONS=96} [2024-10-31 22:06:02,231 INFO L277 CegarLoopForPetriNet]: 62 programPoint places, 46 predicate places. [2024-10-31 22:06:02,232 INFO L471 AbstractCegarLoop]: Abstraction has has 108 places, 96 transitions, 588 flow [2024-10-31 22:06:02,232 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 48.42857142857143) internal successors, (339), 7 states have internal predecessors, (339), 0 states have call successors, (0), 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 22:06:02,233 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:06:02,233 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] [2024-10-31 22:06:02,233 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-31 22:06:02,233 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-10-31 22:06:02,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:06:02,234 INFO L85 PathProgramCache]: Analyzing trace with hash -942049643, now seen corresponding path program 5 times [2024-10-31 22:06:02,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:06:02,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313567467] [2024-10-31 22:06:02,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:06:02,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:06:02,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:02,408 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 22:06:02,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:06:02,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313567467] [2024-10-31 22:06:02,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [313567467] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:06:02,409 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:06:02,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-31 22:06:02,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661157941] [2024-10-31 22:06:02,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:06:02,410 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-31 22:06:02,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:06:02,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-31 22:06:02,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-31 22:06:02,485 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 47 out of 64 [2024-10-31 22:06:02,486 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 96 transitions, 588 flow. Second operand has 7 states, 7 states have (on average 48.42857142857143) internal successors, (339), 7 states have internal predecessors, (339), 0 states have call successors, (0), 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 22:06:02,486 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:06:02,486 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 47 of 64 [2024-10-31 22:06:02,487 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:06:02,823 INFO L124 PetriNetUnfolderBase]: 64/508 cut-off events. [2024-10-31 22:06:02,823 INFO L125 PetriNetUnfolderBase]: For 1096/1106 co-relation queries the response was YES. [2024-10-31 22:06:02,826 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1421 conditions, 508 events. 64/508 cut-off events. For 1096/1106 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 3390 event pairs, 9 based on Foata normal form. 8/504 useless extension candidates. Maximal degree in co-relation 1381. Up to 80 conditions per place. [2024-10-31 22:06:02,827 INFO L140 encePairwiseOnDemand]: 54/64 looper letters, 22 selfloop transitions, 16 changer transitions 8/98 dead transitions. [2024-10-31 22:06:02,828 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 116 places, 98 transitions, 645 flow [2024-10-31 22:06:02,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-31 22:06:02,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-10-31 22:06:02,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 514 transitions. [2024-10-31 22:06:02,830 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.803125 [2024-10-31 22:06:02,831 INFO L175 Difference]: Start difference. First operand has 108 places, 96 transitions, 588 flow. Second operand 10 states and 514 transitions. [2024-10-31 22:06:02,831 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 116 places, 98 transitions, 645 flow [2024-10-31 22:06:02,836 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 110 places, 98 transitions, 608 flow, removed 3 selfloop flow, removed 6 redundant places. [2024-10-31 22:06:02,838 INFO L231 Difference]: Finished difference. Result has 111 places, 86 transitions, 471 flow [2024-10-31 22:06:02,839 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=64, PETRI_DIFFERENCE_MINUEND_FLOW=483, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=471, PETRI_PLACES=111, PETRI_TRANSITIONS=86} [2024-10-31 22:06:02,839 INFO L277 CegarLoopForPetriNet]: 62 programPoint places, 49 predicate places. [2024-10-31 22:06:02,839 INFO L471 AbstractCegarLoop]: Abstraction has has 111 places, 86 transitions, 471 flow [2024-10-31 22:06:02,840 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 48.42857142857143) internal successors, (339), 7 states have internal predecessors, (339), 0 states have call successors, (0), 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 22:06:02,840 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:06:02,840 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] [2024-10-31 22:06:02,840 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-31 22:06:02,841 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-10-31 22:06:02,841 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:06:02,841 INFO L85 PathProgramCache]: Analyzing trace with hash 768173201, now seen corresponding path program 6 times [2024-10-31 22:06:02,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:06:02,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521752106] [2024-10-31 22:06:02,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:06:02,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:06:02,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:02,995 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 22:06:02,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:06:02,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521752106] [2024-10-31 22:06:02,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521752106] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:06:02,996 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:06:02,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-31 22:06:02,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006350146] [2024-10-31 22:06:02,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:06:02,996 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-31 22:06:02,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:06:02,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-31 22:06:02,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-31 22:06:03,071 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 47 out of 64 [2024-10-31 22:06:03,071 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 86 transitions, 471 flow. Second operand has 7 states, 7 states have (on average 48.42857142857143) internal successors, (339), 7 states have internal predecessors, (339), 0 states have call successors, (0), 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 22:06:03,072 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:06:03,072 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 47 of 64 [2024-10-31 22:06:03,072 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:06:03,340 INFO L124 PetriNetUnfolderBase]: 60/468 cut-off events. [2024-10-31 22:06:03,340 INFO L125 PetriNetUnfolderBase]: For 952/964 co-relation queries the response was YES. [2024-10-31 22:06:03,341 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1317 conditions, 468 events. 60/468 cut-off events. For 952/964 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 3015 event pairs, 13 based on Foata normal form. 10/465 useless extension candidates. Maximal degree in co-relation 1292. Up to 72 conditions per place. [2024-10-31 22:06:03,343 INFO L140 encePairwiseOnDemand]: 54/64 looper letters, 22 selfloop transitions, 17 changer transitions 12/103 dead transitions. [2024-10-31 22:06:03,343 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 103 transitions, 691 flow [2024-10-31 22:06:03,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-31 22:06:03,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-10-31 22:06:03,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 460 transitions. [2024-10-31 22:06:03,345 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7986111111111112 [2024-10-31 22:06:03,345 INFO L175 Difference]: Start difference. First operand has 111 places, 86 transitions, 471 flow. Second operand 9 states and 460 transitions. [2024-10-31 22:06:03,346 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 103 transitions, 691 flow [2024-10-31 22:06:03,350 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 103 transitions, 587 flow, removed 15 selfloop flow, removed 14 redundant places. [2024-10-31 22:06:03,352 INFO L231 Difference]: Finished difference. Result has 104 places, 84 transitions, 448 flow [2024-10-31 22:06:03,352 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=64, PETRI_DIFFERENCE_MINUEND_FLOW=399, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=448, PETRI_PLACES=104, PETRI_TRANSITIONS=84} [2024-10-31 22:06:03,353 INFO L277 CegarLoopForPetriNet]: 62 programPoint places, 42 predicate places. [2024-10-31 22:06:03,353 INFO L471 AbstractCegarLoop]: Abstraction has has 104 places, 84 transitions, 448 flow [2024-10-31 22:06:03,354 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 48.42857142857143) internal successors, (339), 7 states have internal predecessors, (339), 0 states have call successors, (0), 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 22:06:03,354 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:06:03,354 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] [2024-10-31 22:06:03,354 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-31 22:06:03,354 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-10-31 22:06:03,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:06:03,355 INFO L85 PathProgramCache]: Analyzing trace with hash -77072579, now seen corresponding path program 7 times [2024-10-31 22:06:03,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:06:03,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123556365] [2024-10-31 22:06:03,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:06:03,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:06:03,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:03,499 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 22:06:03,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:06:03,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123556365] [2024-10-31 22:06:03,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1123556365] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:06:03,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:06:03,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-31 22:06:03,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768106665] [2024-10-31 22:06:03,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:06:03,505 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-31 22:06:03,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:06:03,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-31 22:06:03,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-31 22:06:03,585 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 47 out of 64 [2024-10-31 22:06:03,586 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 84 transitions, 448 flow. Second operand has 7 states, 7 states have (on average 48.42857142857143) internal successors, (339), 7 states have internal predecessors, (339), 0 states have call successors, (0), 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 22:06:03,586 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:06:03,586 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 47 of 64 [2024-10-31 22:06:03,587 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:06:03,810 INFO L124 PetriNetUnfolderBase]: 28/295 cut-off events. [2024-10-31 22:06:03,810 INFO L125 PetriNetUnfolderBase]: For 434/440 co-relation queries the response was YES. [2024-10-31 22:06:03,811 INFO L83 FinitePrefix]: Finished finitePrefix Result has 782 conditions, 295 events. 28/295 cut-off events. For 434/440 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1524 event pairs, 5 based on Foata normal form. 5/294 useless extension candidates. Maximal degree in co-relation 758. Up to 44 conditions per place. [2024-10-31 22:06:03,812 INFO L140 encePairwiseOnDemand]: 54/64 looper letters, 14 selfloop transitions, 10 changer transitions 7/83 dead transitions. [2024-10-31 22:06:03,812 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 83 transitions, 465 flow [2024-10-31 22:06:03,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-31 22:06:03,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-10-31 22:06:03,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 455 transitions. [2024-10-31 22:06:03,815 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7899305555555556 [2024-10-31 22:06:03,815 INFO L175 Difference]: Start difference. First operand has 104 places, 84 transitions, 448 flow. Second operand 9 states and 455 transitions. [2024-10-31 22:06:03,815 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 83 transitions, 465 flow [2024-10-31 22:06:03,818 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 83 transitions, 408 flow, removed 6 selfloop flow, removed 12 redundant places. [2024-10-31 22:06:03,819 INFO L231 Difference]: Finished difference. Result has 94 places, 72 transitions, 302 flow [2024-10-31 22:06:03,820 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=64, PETRI_DIFFERENCE_MINUEND_FLOW=319, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=302, PETRI_PLACES=94, PETRI_TRANSITIONS=72} [2024-10-31 22:06:03,820 INFO L277 CegarLoopForPetriNet]: 62 programPoint places, 32 predicate places. [2024-10-31 22:06:03,820 INFO L471 AbstractCegarLoop]: Abstraction has has 94 places, 72 transitions, 302 flow [2024-10-31 22:06:03,821 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 48.42857142857143) internal successors, (339), 7 states have internal predecessors, (339), 0 states have call successors, (0), 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 22:06:03,821 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:06:03,821 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] [2024-10-31 22:06:03,821 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-31 22:06:03,821 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-10-31 22:06:03,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:06:03,822 INFO L85 PathProgramCache]: Analyzing trace with hash -559732011, now seen corresponding path program 8 times [2024-10-31 22:06:03,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:06:03,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381861069] [2024-10-31 22:06:03,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:06:03,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:06:03,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:03,953 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 22:06:03,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:06:03,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381861069] [2024-10-31 22:06:03,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1381861069] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:06:03,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:06:03,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-31 22:06:03,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088567897] [2024-10-31 22:06:03,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:06:03,955 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-31 22:06:03,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:06:03,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-31 22:06:03,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-31 22:06:04,022 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 47 out of 64 [2024-10-31 22:06:04,023 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 72 transitions, 302 flow. Second operand has 7 states, 7 states have (on average 48.42857142857143) internal successors, (339), 7 states have internal predecessors, (339), 0 states have call successors, (0), 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 22:06:04,023 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:06:04,023 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 47 of 64 [2024-10-31 22:06:04,023 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:06:04,212 INFO L124 PetriNetUnfolderBase]: 26/267 cut-off events. [2024-10-31 22:06:04,213 INFO L125 PetriNetUnfolderBase]: For 297/305 co-relation queries the response was YES. [2024-10-31 22:06:04,213 INFO L83 FinitePrefix]: Finished finitePrefix Result has 661 conditions, 267 events. 26/267 cut-off events. For 297/305 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1288 event pairs, 3 based on Foata normal form. 7/266 useless extension candidates. Maximal degree in co-relation 648. Up to 38 conditions per place. [2024-10-31 22:06:04,214 INFO L140 encePairwiseOnDemand]: 53/64 looper letters, 10 selfloop transitions, 10 changer transitions 12/84 dead transitions. [2024-10-31 22:06:04,214 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 84 transitions, 431 flow [2024-10-31 22:06:04,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-31 22:06:04,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-10-31 22:06:04,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 408 transitions. [2024-10-31 22:06:04,216 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.796875 [2024-10-31 22:06:04,216 INFO L175 Difference]: Start difference. First operand has 94 places, 72 transitions, 302 flow. Second operand 8 states and 408 transitions. [2024-10-31 22:06:04,216 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 84 transitions, 431 flow [2024-10-31 22:06:04,218 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 84 transitions, 373 flow, removed 8 selfloop flow, removed 10 redundant places. [2024-10-31 22:06:04,220 INFO L231 Difference]: Finished difference. Result has 86 places, 70 transitions, 289 flow [2024-10-31 22:06:04,220 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=64, PETRI_DIFFERENCE_MINUEND_FLOW=266, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=289, PETRI_PLACES=86, PETRI_TRANSITIONS=70} [2024-10-31 22:06:04,220 INFO L277 CegarLoopForPetriNet]: 62 programPoint places, 24 predicate places. [2024-10-31 22:06:04,221 INFO L471 AbstractCegarLoop]: Abstraction has has 86 places, 70 transitions, 289 flow [2024-10-31 22:06:04,221 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 48.42857142857143) internal successors, (339), 7 states have internal predecessors, (339), 0 states have call successors, (0), 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 22:06:04,221 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:06:04,221 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] [2024-10-31 22:06:04,221 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-31 22:06:04,222 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-10-31 22:06:04,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:06:04,222 INFO L85 PathProgramCache]: Analyzing trace with hash 1368144959, now seen corresponding path program 9 times [2024-10-31 22:06:04,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:06:04,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505835712] [2024-10-31 22:06:04,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:06:04,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:06:04,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:04,352 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 22:06:04,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:06:04,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505835712] [2024-10-31 22:06:04,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505835712] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:06:04,353 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:06:04,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-31 22:06:04,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061511415] [2024-10-31 22:06:04,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:06:04,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-31 22:06:04,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:06:04,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-31 22:06:04,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-31 22:06:04,424 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 47 out of 64 [2024-10-31 22:06:04,425 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 70 transitions, 289 flow. Second operand has 7 states, 7 states have (on average 48.42857142857143) internal successors, (339), 7 states have internal predecessors, (339), 0 states have call successors, (0), 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 22:06:04,426 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:06:04,426 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 47 of 64 [2024-10-31 22:06:04,426 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:06:04,609 INFO L124 PetriNetUnfolderBase]: 23/229 cut-off events. [2024-10-31 22:06:04,609 INFO L125 PetriNetUnfolderBase]: For 290/296 co-relation queries the response was YES. [2024-10-31 22:06:04,610 INFO L83 FinitePrefix]: Finished finitePrefix Result has 561 conditions, 229 events. 23/229 cut-off events. For 290/296 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1040 event pairs, 4 based on Foata normal form. 4/227 useless extension candidates. Maximal degree in co-relation 549. Up to 32 conditions per place. [2024-10-31 22:06:04,611 INFO L140 encePairwiseOnDemand]: 53/64 looper letters, 8 selfloop transitions, 12 changer transitions 3/75 dead transitions. [2024-10-31 22:06:04,611 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 75 transitions, 353 flow [2024-10-31 22:06:04,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-31 22:06:04,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-10-31 22:06:04,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 400 transitions. [2024-10-31 22:06:04,613 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.78125 [2024-10-31 22:06:04,613 INFO L175 Difference]: Start difference. First operand has 86 places, 70 transitions, 289 flow. Second operand 8 states and 400 transitions. [2024-10-31 22:06:04,613 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 75 transitions, 353 flow [2024-10-31 22:06:04,615 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 75 transitions, 312 flow, removed 4 selfloop flow, removed 8 redundant places. [2024-10-31 22:06:04,616 INFO L231 Difference]: Finished difference. Result has 83 places, 70 transitions, 280 flow [2024-10-31 22:06:04,617 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=64, PETRI_DIFFERENCE_MINUEND_FLOW=252, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=280, PETRI_PLACES=83, PETRI_TRANSITIONS=70} [2024-10-31 22:06:04,617 INFO L277 CegarLoopForPetriNet]: 62 programPoint places, 21 predicate places. [2024-10-31 22:06:04,617 INFO L471 AbstractCegarLoop]: Abstraction has has 83 places, 70 transitions, 280 flow [2024-10-31 22:06:04,617 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 48.42857142857143) internal successors, (339), 7 states have internal predecessors, (339), 0 states have call successors, (0), 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 22:06:04,618 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:06:04,618 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] [2024-10-31 22:06:04,618 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-31 22:06:04,618 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-10-31 22:06:04,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:06:04,618 INFO L85 PathProgramCache]: Analyzing trace with hash -1169499965, now seen corresponding path program 10 times [2024-10-31 22:06:04,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:06:04,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742203496] [2024-10-31 22:06:04,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:06:04,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:06:04,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:04,755 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 22:06:04,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:06:04,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742203496] [2024-10-31 22:06:04,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742203496] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:06:04,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:06:04,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-31 22:06:04,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341774094] [2024-10-31 22:06:04,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:06:04,757 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-31 22:06:04,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:06:04,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-31 22:06:04,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-31 22:06:04,818 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 47 out of 64 [2024-10-31 22:06:04,819 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 70 transitions, 280 flow. Second operand has 7 states, 7 states have (on average 48.42857142857143) internal successors, (339), 7 states have internal predecessors, (339), 0 states have call successors, (0), 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 22:06:04,819 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:06:04,819 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 47 of 64 [2024-10-31 22:06:04,819 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:06:04,935 INFO L124 PetriNetUnfolderBase]: 5/72 cut-off events. [2024-10-31 22:06:04,936 INFO L125 PetriNetUnfolderBase]: For 38/38 co-relation queries the response was YES. [2024-10-31 22:06:04,936 INFO L83 FinitePrefix]: Finished finitePrefix Result has 161 conditions, 72 events. 5/72 cut-off events. For 38/38 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 119 event pairs, 1 based on Foata normal form. 2/74 useless extension candidates. Maximal degree in co-relation 152. Up to 9 conditions per place. [2024-10-31 22:06:04,936 INFO L140 encePairwiseOnDemand]: 58/64 looper letters, 0 selfloop transitions, 0 changer transitions 48/48 dead transitions. [2024-10-31 22:06:04,936 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 48 transitions, 193 flow [2024-10-31 22:06:04,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-31 22:06:04,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-10-31 22:06:04,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 345 transitions. [2024-10-31 22:06:04,938 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7700892857142857 [2024-10-31 22:06:04,939 INFO L175 Difference]: Start difference. First operand has 83 places, 70 transitions, 280 flow. Second operand 7 states and 345 transitions. [2024-10-31 22:06:04,939 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 48 transitions, 193 flow [2024-10-31 22:06:04,940 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 48 transitions, 149 flow, removed 8 selfloop flow, removed 11 redundant places. [2024-10-31 22:06:04,940 INFO L231 Difference]: Finished difference. Result has 62 places, 0 transitions, 0 flow [2024-10-31 22:06:04,941 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=64, PETRI_DIFFERENCE_MINUEND_FLOW=106, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=0, PETRI_PLACES=62, PETRI_TRANSITIONS=0} [2024-10-31 22:06:04,941 INFO L277 CegarLoopForPetriNet]: 62 programPoint places, 0 predicate places. [2024-10-31 22:06:04,941 INFO L471 AbstractCegarLoop]: Abstraction has has 62 places, 0 transitions, 0 flow [2024-10-31 22:06:04,942 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 48.42857142857143) internal successors, (339), 7 states have internal predecessors, (339), 0 states have call successors, (0), 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 22:06:04,945 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2024-10-31 22:06:04,945 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2024-10-31 22:06:04,946 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2024-10-31 22:06:04,946 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2024-10-31 22:06:04,946 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2024-10-31 22:06:04,946 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2024-10-31 22:06:04,946 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2024-10-31 22:06:04,947 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-31 22:06:04,947 INFO L407 BasicCegarLoop]: Path program histogram: [10, 1, 1, 1] [2024-10-31 22:06:04,953 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-31 22:06:04,953 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-10-31 22:06:04,958 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.10 10:06:04 BasicIcfg [2024-10-31 22:06:04,959 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-31 22:06:04,959 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 22:06:04,959 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 22:06:04,960 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 22:06:04,960 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:05:57" (3/4) ... [2024-10-31 22:06:04,962 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-10-31 22:06:04,966 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-10-31 22:06:04,972 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-10-31 22:06:04,972 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-10-31 22:06:04,972 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-10-31 22:06:05,072 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_856e77a1-fe06-44de-9c91-3845e5eb79ac/bin/uautomizer-verify-4GaUIPS5ZU/witness.graphml [2024-10-31 22:06:05,073 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_856e77a1-fe06-44de-9c91-3845e5eb79ac/bin/uautomizer-verify-4GaUIPS5ZU/witness.yml [2024-10-31 22:06:05,073 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 22:06:05,073 INFO L158 Benchmark]: Toolchain (without parser) took 8434.17ms. Allocated memory was 163.6MB in the beginning and 243.3MB in the end (delta: 79.7MB). Free memory was 128.0MB in the beginning and 136.0MB in the end (delta: -8.0MB). Peak memory consumption was 73.0MB. Max. memory is 16.1GB. [2024-10-31 22:06:05,074 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 163.6MB. Free memory is still 109.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:06:05,074 INFO L158 Benchmark]: CACSL2BoogieTranslator took 728.87ms. Allocated memory is still 163.6MB. Free memory was 128.0MB in the beginning and 97.9MB in the end (delta: 30.1MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-10-31 22:06:05,074 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.07ms. Allocated memory is still 163.6MB. Free memory was 97.9MB in the beginning and 95.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:06:05,075 INFO L158 Benchmark]: Boogie Preprocessor took 28.32ms. Allocated memory is still 163.6MB. Free memory was 95.9MB in the beginning and 94.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:06:05,075 INFO L158 Benchmark]: RCFGBuilder took 475.12ms. Allocated memory was 163.6MB in the beginning and 201.3MB in the end (delta: 37.7MB). Free memory was 94.2MB in the beginning and 169.1MB in the end (delta: -74.8MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. [2024-10-31 22:06:05,075 INFO L158 Benchmark]: TraceAbstraction took 7027.07ms. Allocated memory was 201.3MB in the beginning and 243.3MB in the end (delta: 41.9MB). Free memory was 168.4MB in the beginning and 140.2MB in the end (delta: 28.2MB). Peak memory consumption was 68.9MB. Max. memory is 16.1GB. [2024-10-31 22:06:05,076 INFO L158 Benchmark]: Witness Printer took 113.71ms. Allocated memory is still 243.3MB. Free memory was 140.2MB in the beginning and 136.0MB in the end (delta: 4.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:06:05,078 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 163.6MB. Free memory is still 109.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 728.87ms. Allocated memory is still 163.6MB. Free memory was 128.0MB in the beginning and 97.9MB in the end (delta: 30.1MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.07ms. Allocated memory is still 163.6MB. Free memory was 97.9MB in the beginning and 95.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.32ms. Allocated memory is still 163.6MB. Free memory was 95.9MB in the beginning and 94.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 475.12ms. Allocated memory was 163.6MB in the beginning and 201.3MB in the end (delta: 37.7MB). Free memory was 94.2MB in the beginning and 169.1MB in the end (delta: -74.8MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. * TraceAbstraction took 7027.07ms. Allocated memory was 201.3MB in the beginning and 243.3MB in the end (delta: 41.9MB). Free memory was 168.4MB in the beginning and 140.2MB in the end (delta: 28.2MB). Peak memory consumption was 68.9MB. Max. memory is 16.1GB. * Witness Printer took 113.71ms. Allocated memory is still 243.3MB. Free memory was 140.2MB in the beginning and 136.0MB in the end (delta: 4.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 921]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 921]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 921]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 921]: 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 3 procedures, 88 locations, 7 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 6.9s, OverallIterations: 13, TraceHistogramMax: 1, PathProgramHistogramMax: 10, EmptinessCheckTime: 0.0s, AutomataDifference: 4.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 799 SdHoareTripleChecker+Valid, 1.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 652 mSDsluCounter, 1153 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1004 mSDsCounter, 38 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1699 IncrementalHoareTripleChecker+Invalid, 1737 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 38 mSolverCounterUnsat, 149 mSDtfsCounter, 1699 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 135 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=588occurred in iteration=7, InterpolantAutomatonStates: 103, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 454 NumberOfCodeBlocks, 454 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 441 ConstructedInterpolants, 0 QuantifiedInterpolants, 1017 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-31 22:06:05,113 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_856e77a1-fe06-44de-9c91-3845e5eb79ac/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE