./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/05-lval_ls_12-fldsense_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e7bb482b 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_472fe045-d2ef-4bca-96bc-335bc6bc6595/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472fe045-d2ef-4bca-96bc-335bc6bc6595/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472fe045-d2ef-4bca-96bc-335bc6bc6595/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472fe045-d2ef-4bca-96bc-335bc6bc6595/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/05-lval_ls_12-fldsense_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472fe045-d2ef-4bca-96bc-335bc6bc6595/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472fe045-d2ef-4bca-96bc-335bc6bc6595/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 f07f53b70b113c395773370086657e2cda4799340cf7206361c323fc526218bf --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:07:20,207 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:07:20,340 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472fe045-d2ef-4bca-96bc-335bc6bc6595/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-06 22:07:20,352 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:07:20,353 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:07:20,397 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:07:20,398 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:07:20,399 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:07:20,400 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:07:20,406 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:07:20,407 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:07:20,408 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:07:20,409 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:07:20,411 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:07:20,411 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:07:20,412 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:07:20,412 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:07:20,413 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:07:20,413 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:07:20,414 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:07:20,414 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:07:20,415 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:07:20,415 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-06 22:07:20,416 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:07:20,416 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:07:20,417 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:07:20,417 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:07:20,418 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:07:20,419 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:07:20,419 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:07:20,421 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:07:20,421 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:07:20,421 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:07:20,422 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:07:20,422 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:07:20,422 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:07:20,423 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:07:20,423 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:07:20,423 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:07:20,423 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:07:20,424 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:07:20,424 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_472fe045-d2ef-4bca-96bc-335bc6bc6595/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472fe045-d2ef-4bca-96bc-335bc6bc6595/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f07f53b70b113c395773370086657e2cda4799340cf7206361c323fc526218bf [2023-11-06 22:07:20,778 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:07:20,826 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:07:20,828 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:07:20,830 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:07:20,831 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:07:20,832 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472fe045-d2ef-4bca-96bc-335bc6bc6595/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/goblint-regression/05-lval_ls_12-fldsense_nr.i [2023-11-06 22:07:24,119 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:07:24,414 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:07:24,415 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472fe045-d2ef-4bca-96bc-335bc6bc6595/sv-benchmarks/c/goblint-regression/05-lval_ls_12-fldsense_nr.i [2023-11-06 22:07:24,441 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472fe045-d2ef-4bca-96bc-335bc6bc6595/bin/uautomizer-verify-WvqO1wxjHP/data/5c1e8b228/8f1ba3e13cfc41abbf41f7e10ee31542/FLAGaa27a88e6 [2023-11-06 22:07:24,462 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472fe045-d2ef-4bca-96bc-335bc6bc6595/bin/uautomizer-verify-WvqO1wxjHP/data/5c1e8b228/8f1ba3e13cfc41abbf41f7e10ee31542 [2023-11-06 22:07:24,468 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:07:24,470 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:07:24,475 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:07:24,475 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:07:24,481 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:07:24,482 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:07:24" (1/1) ... [2023-11-06 22:07:24,483 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46cd1c0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:24, skipping insertion in model container [2023-11-06 22:07:24,484 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:07:24" (1/1) ... [2023-11-06 22:07:24,548 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:07:25,003 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:07:25,022 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:07:25,105 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:07:25,170 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:07:25,171 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:25 WrapperNode [2023-11-06 22:07:25,171 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:07:25,173 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:07:25,173 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:07:25,173 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:07:25,182 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:25" (1/1) ... [2023-11-06 22:07:25,219 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:25" (1/1) ... [2023-11-06 22:07:25,267 INFO L138 Inliner]: procedures = 162, calls = 30, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 75 [2023-11-06 22:07:25,268 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:07:25,269 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:07:25,269 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:07:25,269 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:07:25,281 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:25" (1/1) ... [2023-11-06 22:07:25,281 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:25" (1/1) ... [2023-11-06 22:07:25,297 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:25" (1/1) ... [2023-11-06 22:07:25,298 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:25" (1/1) ... [2023-11-06 22:07:25,315 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:25" (1/1) ... [2023-11-06 22:07:25,316 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:25" (1/1) ... [2023-11-06 22:07:25,319 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:25" (1/1) ... [2023-11-06 22:07:25,329 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:25" (1/1) ... [2023-11-06 22:07:25,338 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:07:25,339 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:07:25,339 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:07:25,339 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:07:25,340 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:25" (1/1) ... [2023-11-06 22:07:25,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:07:25,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472fe045-d2ef-4bca-96bc-335bc6bc6595/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:07:25,386 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472fe045-d2ef-4bca-96bc-335bc6bc6595/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:07:25,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472fe045-d2ef-4bca-96bc-335bc6bc6595/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:07:25,438 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 22:07:25,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:07:25,439 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-06 22:07:25,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:07:25,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:07:25,440 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-06 22:07:25,440 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-06 22:07:25,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:07:25,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:07:25,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:07:25,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:07:25,444 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-06 22:07:25,650 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:07:25,653 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:07:25,961 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:07:25,971 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:07:25,972 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-06 22:07:25,974 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:07:25 BoogieIcfgContainer [2023-11-06 22:07:25,975 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:07:25,978 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:07:25,979 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:07:25,982 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:07:25,983 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:07:24" (1/3) ... [2023-11-06 22:07:25,984 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@551c6943 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:07:25, skipping insertion in model container [2023-11-06 22:07:25,984 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:25" (2/3) ... [2023-11-06 22:07:25,985 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@551c6943 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:07:25, skipping insertion in model container [2023-11-06 22:07:25,985 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:07:25" (3/3) ... [2023-11-06 22:07:25,986 INFO L112 eAbstractionObserver]: Analyzing ICFG 05-lval_ls_12-fldsense_nr.i [2023-11-06 22:07:25,997 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-06 22:07:26,011 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:07:26,012 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-11-06 22:07:26,012 INFO L519 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-06 22:07:26,100 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-06 22:07:26,156 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 109 places, 105 transitions, 214 flow [2023-11-06 22:07:26,275 INFO L124 PetriNetUnfolderBase]: 0/104 cut-off events. [2023-11-06 22:07:26,276 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 22:07:26,279 INFO L83 FinitePrefix]: Finished finitePrefix Result has 108 conditions, 104 events. 0/104 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 62 event pairs, 0 based on Foata normal form. 0/98 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2023-11-06 22:07:26,279 INFO L82 GeneralOperation]: Start removeDead. Operand has 109 places, 105 transitions, 214 flow [2023-11-06 22:07:26,287 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 108 places, 104 transitions, 211 flow [2023-11-06 22:07:26,291 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-06 22:07:26,307 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 108 places, 104 transitions, 211 flow [2023-11-06 22:07:26,312 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 108 places, 104 transitions, 211 flow [2023-11-06 22:07:26,313 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 108 places, 104 transitions, 211 flow [2023-11-06 22:07:26,380 INFO L124 PetriNetUnfolderBase]: 0/104 cut-off events. [2023-11-06 22:07:26,380 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 22:07:26,381 INFO L83 FinitePrefix]: Finished finitePrefix Result has 108 conditions, 104 events. 0/104 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 62 event pairs, 0 based on Foata normal form. 0/98 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2023-11-06 22:07:26,385 INFO L119 LiptonReduction]: Number of co-enabled transitions 2600 [2023-11-06 22:07:29,358 INFO L134 LiptonReduction]: Checked pairs total: 15234 [2023-11-06 22:07:29,358 INFO L136 LiptonReduction]: Total number of compositions: 54 [2023-11-06 22:07:29,374 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:07:29,380 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@5e82d9aa, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:07:29,381 INFO L358 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2023-11-06 22:07:29,386 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-06 22:07:29,387 INFO L124 PetriNetUnfolderBase]: 0/14 cut-off events. [2023-11-06 22:07:29,387 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 22:07:29,387 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:07:29,388 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:07:29,388 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2023-11-06 22:07:29,393 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:07:29,394 INFO L85 PathProgramCache]: Analyzing trace with hash 1192261153, now seen corresponding path program 1 times [2023-11-06 22:07:29,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:07:29,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543181697] [2023-11-06 22:07:29,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:29,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:07:29,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:30,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:07:30,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:07:30,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543181697] [2023-11-06 22:07:30,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1543181697] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:07:30,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:07:30,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:07:30,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697416472] [2023-11-06 22:07:30,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:07:30,403 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:07:30,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:07:30,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:07:30,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:07:30,798 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 81 out of 159 [2023-11-06 22:07:30,801 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 50 transitions, 103 flow. Second operand has 6 states, 6 states have (on average 82.5) internal successors, (495), 6 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:07:30,801 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:07:30,801 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 81 of 159 [2023-11-06 22:07:30,802 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:07:31,341 INFO L124 PetriNetUnfolderBase]: 440/1209 cut-off events. [2023-11-06 22:07:31,341 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 22:07:31,352 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2159 conditions, 1209 events. 440/1209 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 7171 event pairs, 123 based on Foata normal form. 0/1178 useless extension candidates. Maximal degree in co-relation 2150. Up to 446 conditions per place. [2023-11-06 22:07:31,367 INFO L140 encePairwiseOnDemand]: 137/159 looper letters, 128 selfloop transitions, 42 changer transitions 0/184 dead transitions. [2023-11-06 22:07:31,368 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 184 transitions, 711 flow [2023-11-06 22:07:31,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:07:31,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 22:07:31,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 658 transitions. [2023-11-06 22:07:31,396 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.689727463312369 [2023-11-06 22:07:31,397 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 658 transitions. [2023-11-06 22:07:31,398 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 658 transitions. [2023-11-06 22:07:31,403 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:07:31,406 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 658 transitions. [2023-11-06 22:07:31,413 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 109.66666666666667) internal successors, (658), 6 states have internal predecessors, (658), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:07:31,423 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 159.0) internal successors, (1113), 7 states have internal predecessors, (1113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:07:31,424 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 159.0) internal successors, (1113), 7 states have internal predecessors, (1113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:07:31,427 INFO L175 Difference]: Start difference. First operand has 54 places, 50 transitions, 103 flow. Second operand 6 states and 658 transitions. [2023-11-06 22:07:31,428 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 184 transitions, 711 flow [2023-11-06 22:07:31,432 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 184 transitions, 710 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-06 22:07:31,437 INFO L231 Difference]: Finished difference. Result has 63 places, 96 transitions, 418 flow [2023-11-06 22:07:31,439 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=159, PETRI_DIFFERENCE_MINUEND_FLOW=102, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=418, PETRI_PLACES=63, PETRI_TRANSITIONS=96} [2023-11-06 22:07:31,445 INFO L281 CegarLoopForPetriNet]: 54 programPoint places, 9 predicate places. [2023-11-06 22:07:31,446 INFO L495 AbstractCegarLoop]: Abstraction has has 63 places, 96 transitions, 418 flow [2023-11-06 22:07:31,447 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 82.5) internal successors, (495), 6 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:07:31,447 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:07:31,447 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:07:31,447 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:07:31,448 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2023-11-06 22:07:31,449 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:07:31,449 INFO L85 PathProgramCache]: Analyzing trace with hash -1900465380, now seen corresponding path program 1 times [2023-11-06 22:07:31,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:07:31,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410214115] [2023-11-06 22:07:31,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:31,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:07:31,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:31,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:07:31,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:07:31,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410214115] [2023-11-06 22:07:31,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [410214115] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:07:31,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:07:31,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:07:31,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508091873] [2023-11-06 22:07:31,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:07:31,832 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:07:31,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:07:31,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:07:31,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:07:32,160 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 80 out of 159 [2023-11-06 22:07:32,161 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 96 transitions, 418 flow. Second operand has 6 states, 6 states have (on average 82.5) internal successors, (495), 6 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:07:32,161 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:07:32,162 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 80 of 159 [2023-11-06 22:07:32,162 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:07:32,672 INFO L124 PetriNetUnfolderBase]: 608/1674 cut-off events. [2023-11-06 22:07:32,673 INFO L125 PetriNetUnfolderBase]: For 724/738 co-relation queries the response was YES. [2023-11-06 22:07:32,678 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4194 conditions, 1674 events. 608/1674 cut-off events. For 724/738 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 10845 event pairs, 181 based on Foata normal form. 28/1700 useless extension candidates. Maximal degree in co-relation 4181. Up to 872 conditions per place. [2023-11-06 22:07:32,691 INFO L140 encePairwiseOnDemand]: 142/159 looper letters, 129 selfloop transitions, 53 changer transitions 6/203 dead transitions. [2023-11-06 22:07:32,692 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 203 transitions, 1194 flow [2023-11-06 22:07:32,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:07:32,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 22:07:32,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 608 transitions. [2023-11-06 22:07:32,719 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6373165618448637 [2023-11-06 22:07:32,719 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 608 transitions. [2023-11-06 22:07:32,720 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 608 transitions. [2023-11-06 22:07:32,720 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:07:32,721 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 608 transitions. [2023-11-06 22:07:32,723 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 101.33333333333333) internal successors, (608), 6 states have internal predecessors, (608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:07:32,725 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 159.0) internal successors, (1113), 7 states have internal predecessors, (1113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:07:32,727 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 159.0) internal successors, (1113), 7 states have internal predecessors, (1113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:07:32,727 INFO L175 Difference]: Start difference. First operand has 63 places, 96 transitions, 418 flow. Second operand 6 states and 608 transitions. [2023-11-06 22:07:32,727 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 203 transitions, 1194 flow [2023-11-06 22:07:32,735 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 203 transitions, 1194 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-06 22:07:32,739 INFO L231 Difference]: Finished difference. Result has 73 places, 149 transitions, 934 flow [2023-11-06 22:07:32,740 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=159, PETRI_DIFFERENCE_MINUEND_FLOW=418, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=934, PETRI_PLACES=73, PETRI_TRANSITIONS=149} [2023-11-06 22:07:32,741 INFO L281 CegarLoopForPetriNet]: 54 programPoint places, 19 predicate places. [2023-11-06 22:07:32,741 INFO L495 AbstractCegarLoop]: Abstraction has has 73 places, 149 transitions, 934 flow [2023-11-06 22:07:32,742 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 82.5) internal successors, (495), 6 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:07:32,742 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:07:32,742 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:07:32,742 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:07:32,742 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2023-11-06 22:07:32,743 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:07:32,743 INFO L85 PathProgramCache]: Analyzing trace with hash -2048683257, now seen corresponding path program 1 times [2023-11-06 22:07:32,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:07:32,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157639387] [2023-11-06 22:07:32,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:32,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:07:32,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:33,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:07:33,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:07:33,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157639387] [2023-11-06 22:07:33,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157639387] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:07:33,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:07:33,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:07:33,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848508996] [2023-11-06 22:07:33,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:07:33,005 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:07:33,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:07:33,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:07:33,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:07:33,279 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 78 out of 159 [2023-11-06 22:07:33,280 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 149 transitions, 934 flow. Second operand has 6 states, 6 states have (on average 80.33333333333333) internal successors, (482), 6 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:07:33,280 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:07:33,280 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 78 of 159 [2023-11-06 22:07:33,281 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:07:33,773 INFO L124 PetriNetUnfolderBase]: 725/1879 cut-off events. [2023-11-06 22:07:33,773 INFO L125 PetriNetUnfolderBase]: For 2368/2402 co-relation queries the response was YES. [2023-11-06 22:07:33,780 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6021 conditions, 1879 events. 725/1879 cut-off events. For 2368/2402 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 12134 event pairs, 200 based on Foata normal form. 30/1902 useless extension candidates. Maximal degree in co-relation 6003. Up to 1119 conditions per place. [2023-11-06 22:07:33,793 INFO L140 encePairwiseOnDemand]: 142/159 looper letters, 172 selfloop transitions, 68 changer transitions 0/255 dead transitions. [2023-11-06 22:07:33,794 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 255 transitions, 1998 flow [2023-11-06 22:07:33,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:07:33,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 22:07:33,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 580 transitions. [2023-11-06 22:07:33,796 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6079664570230608 [2023-11-06 22:07:33,797 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 580 transitions. [2023-11-06 22:07:33,797 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 580 transitions. [2023-11-06 22:07:33,797 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:07:33,798 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 580 transitions. [2023-11-06 22:07:33,800 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 96.66666666666667) internal successors, (580), 6 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:07:33,802 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 159.0) internal successors, (1113), 7 states have internal predecessors, (1113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:07:33,803 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 159.0) internal successors, (1113), 7 states have internal predecessors, (1113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:07:33,803 INFO L175 Difference]: Start difference. First operand has 73 places, 149 transitions, 934 flow. Second operand 6 states and 580 transitions. [2023-11-06 22:07:33,804 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 255 transitions, 1998 flow [2023-11-06 22:07:33,817 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 255 transitions, 1990 flow, removed 4 selfloop flow, removed 0 redundant places. [2023-11-06 22:07:33,823 INFO L231 Difference]: Finished difference. Result has 83 places, 210 transitions, 1646 flow [2023-11-06 22:07:33,824 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=159, PETRI_DIFFERENCE_MINUEND_FLOW=926, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=149, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=107, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1646, PETRI_PLACES=83, PETRI_TRANSITIONS=210} [2023-11-06 22:07:33,825 INFO L281 CegarLoopForPetriNet]: 54 programPoint places, 29 predicate places. [2023-11-06 22:07:33,825 INFO L495 AbstractCegarLoop]: Abstraction has has 83 places, 210 transitions, 1646 flow [2023-11-06 22:07:33,825 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 80.33333333333333) internal successors, (482), 6 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:07:33,826 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:07:33,826 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:07:33,826 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:07:33,826 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2023-11-06 22:07:33,826 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:07:33,827 INFO L85 PathProgramCache]: Analyzing trace with hash -1297081814, now seen corresponding path program 1 times [2023-11-06 22:07:33,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:07:33,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571221527] [2023-11-06 22:07:33,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:33,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:07:33,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:33,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:07:33,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:07:33,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571221527] [2023-11-06 22:07:33,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1571221527] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:07:33,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:07:33,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:07:33,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881149165] [2023-11-06 22:07:33,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:07:33,944 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:07:33,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:07:33,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:07:33,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:07:33,979 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 98 out of 159 [2023-11-06 22:07:33,980 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 210 transitions, 1646 flow. Second operand has 3 states, 3 states have (on average 100.33333333333333) internal successors, (301), 3 states have internal predecessors, (301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:07:33,980 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:07:33,980 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 98 of 159 [2023-11-06 22:07:33,980 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:07:34,055 INFO L124 PetriNetUnfolderBase]: 31/185 cut-off events. [2023-11-06 22:07:34,055 INFO L125 PetriNetUnfolderBase]: For 187/187 co-relation queries the response was YES. [2023-11-06 22:07:34,056 INFO L83 FinitePrefix]: Finished finitePrefix Result has 580 conditions, 185 events. 31/185 cut-off events. For 187/187 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 629 event pairs, 6 based on Foata normal form. 9/192 useless extension candidates. Maximal degree in co-relation 557. Up to 68 conditions per place. [2023-11-06 22:07:34,057 INFO L140 encePairwiseOnDemand]: 155/159 looper letters, 15 selfloop transitions, 4 changer transitions 4/51 dead transitions. [2023-11-06 22:07:34,057 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 51 transitions, 282 flow [2023-11-06 22:07:34,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:07:34,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 22:07:34,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 319 transitions. [2023-11-06 22:07:34,060 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6687631027253669 [2023-11-06 22:07:34,060 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 319 transitions. [2023-11-06 22:07:34,060 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 319 transitions. [2023-11-06 22:07:34,060 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:07:34,061 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 319 transitions. [2023-11-06 22:07:34,062 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 106.33333333333333) internal successors, (319), 3 states have internal predecessors, (319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:07:34,063 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 159.0) internal successors, (636), 4 states have internal predecessors, (636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:07:34,064 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 159.0) internal successors, (636), 4 states have internal predecessors, (636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:07:34,064 INFO L175 Difference]: Start difference. First operand has 83 places, 210 transitions, 1646 flow. Second operand 3 states and 319 transitions. [2023-11-06 22:07:34,064 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 51 transitions, 282 flow [2023-11-06 22:07:34,067 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 51 transitions, 150 flow, removed 26 selfloop flow, removed 30 redundant places. [2023-11-06 22:07:34,068 INFO L231 Difference]: Finished difference. Result has 51 places, 44 transitions, 98 flow [2023-11-06 22:07:34,068 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=159, PETRI_DIFFERENCE_MINUEND_FLOW=94, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=98, PETRI_PLACES=51, PETRI_TRANSITIONS=44} [2023-11-06 22:07:34,069 INFO L281 CegarLoopForPetriNet]: 54 programPoint places, -3 predicate places. [2023-11-06 22:07:34,069 INFO L495 AbstractCegarLoop]: Abstraction has has 51 places, 44 transitions, 98 flow [2023-11-06 22:07:34,070 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 100.33333333333333) internal successors, (301), 3 states have internal predecessors, (301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:07:34,070 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:07:34,070 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:07:34,070 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 22:07:34,070 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2023-11-06 22:07:34,071 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:07:34,071 INFO L85 PathProgramCache]: Analyzing trace with hash 1010024060, now seen corresponding path program 1 times [2023-11-06 22:07:34,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:07:34,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233280082] [2023-11-06 22:07:34,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:34,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:07:34,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:34,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:07:34,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:07:34,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233280082] [2023-11-06 22:07:34,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233280082] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:07:34,416 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:07:34,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:07:34,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152554946] [2023-11-06 22:07:34,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:07:34,418 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:07:34,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:07:34,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:07:34,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:07:34,769 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 92 out of 159 [2023-11-06 22:07:34,770 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 44 transitions, 98 flow. Second operand has 6 states, 6 states have (on average 94.16666666666667) internal successors, (565), 6 states have internal predecessors, (565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:07:34,771 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:07:34,771 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 92 of 159 [2023-11-06 22:07:34,771 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:07:34,914 INFO L124 PetriNetUnfolderBase]: 67/218 cut-off events. [2023-11-06 22:07:34,914 INFO L125 PetriNetUnfolderBase]: For 21/21 co-relation queries the response was YES. [2023-11-06 22:07:34,914 INFO L83 FinitePrefix]: Finished finitePrefix Result has 420 conditions, 218 events. 67/218 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 755 event pairs, 31 based on Foata normal form. 0/217 useless extension candidates. Maximal degree in co-relation 411. Up to 90 conditions per place. [2023-11-06 22:07:34,916 INFO L140 encePairwiseOnDemand]: 153/159 looper letters, 43 selfloop transitions, 5 changer transitions 0/67 dead transitions. [2023-11-06 22:07:34,916 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 67 transitions, 256 flow [2023-11-06 22:07:34,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:07:34,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 22:07:34,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 601 transitions. [2023-11-06 22:07:34,920 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.629979035639413 [2023-11-06 22:07:34,920 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 601 transitions. [2023-11-06 22:07:34,920 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 601 transitions. [2023-11-06 22:07:34,921 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:07:34,921 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 601 transitions. [2023-11-06 22:07:34,923 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 100.16666666666667) internal successors, (601), 6 states have internal predecessors, (601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:07:34,926 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 159.0) internal successors, (1113), 7 states have internal predecessors, (1113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:07:34,930 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 159.0) internal successors, (1113), 7 states have internal predecessors, (1113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:07:34,930 INFO L175 Difference]: Start difference. First operand has 51 places, 44 transitions, 98 flow. Second operand 6 states and 601 transitions. [2023-11-06 22:07:34,930 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 67 transitions, 256 flow [2023-11-06 22:07:34,931 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 67 transitions, 244 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-06 22:07:34,934 INFO L231 Difference]: Finished difference. Result has 52 places, 43 transitions, 102 flow [2023-11-06 22:07:34,934 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=159, PETRI_DIFFERENCE_MINUEND_FLOW=92, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=102, PETRI_PLACES=52, PETRI_TRANSITIONS=43} [2023-11-06 22:07:34,937 INFO L281 CegarLoopForPetriNet]: 54 programPoint places, -2 predicate places. [2023-11-06 22:07:34,937 INFO L495 AbstractCegarLoop]: Abstraction has has 52 places, 43 transitions, 102 flow [2023-11-06 22:07:34,938 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 94.16666666666667) internal successors, (565), 6 states have internal predecessors, (565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:07:34,938 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:07:34,938 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:07:34,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-06 22:07:34,939 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2023-11-06 22:07:34,939 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:07:34,939 INFO L85 PathProgramCache]: Analyzing trace with hash -124519695, now seen corresponding path program 1 times [2023-11-06 22:07:34,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:07:34,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035949911] [2023-11-06 22:07:34,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:34,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:07:34,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:35,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:07:35,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:07:35,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035949911] [2023-11-06 22:07:35,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1035949911] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:07:35,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:07:35,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:07:35,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286613063] [2023-11-06 22:07:35,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:07:35,450 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:07:35,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:07:35,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:07:35,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:07:35,803 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 88 out of 159 [2023-11-06 22:07:35,804 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 43 transitions, 102 flow. Second operand has 6 states, 6 states have (on average 91.16666666666667) internal successors, (547), 6 states have internal predecessors, (547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:07:35,805 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:07:35,805 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 88 of 159 [2023-11-06 22:07:35,805 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:07:35,940 INFO L124 PetriNetUnfolderBase]: 67/211 cut-off events. [2023-11-06 22:07:35,941 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2023-11-06 22:07:35,941 INFO L83 FinitePrefix]: Finished finitePrefix Result has 434 conditions, 211 events. 67/211 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 728 event pairs, 43 based on Foata normal form. 7/211 useless extension candidates. Maximal degree in co-relation 424. Up to 116 conditions per place. [2023-11-06 22:07:35,942 INFO L140 encePairwiseOnDemand]: 154/159 looper letters, 0 selfloop transitions, 0 changer transitions 66/66 dead transitions. [2023-11-06 22:07:35,942 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 66 transitions, 252 flow [2023-11-06 22:07:35,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:07:35,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 22:07:35,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 577 transitions. [2023-11-06 22:07:35,946 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6048218029350105 [2023-11-06 22:07:35,946 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 577 transitions. [2023-11-06 22:07:35,946 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 577 transitions. [2023-11-06 22:07:35,947 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:07:35,947 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 577 transitions. [2023-11-06 22:07:35,949 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 96.16666666666667) internal successors, (577), 6 states have internal predecessors, (577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:07:35,951 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 159.0) internal successors, (1113), 7 states have internal predecessors, (1113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:07:35,952 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 159.0) internal successors, (1113), 7 states have internal predecessors, (1113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:07:35,952 INFO L175 Difference]: Start difference. First operand has 52 places, 43 transitions, 102 flow. Second operand 6 states and 577 transitions. [2023-11-06 22:07:35,953 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 66 transitions, 252 flow [2023-11-06 22:07:35,953 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 66 transitions, 242 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-06 22:07:35,955 INFO L231 Difference]: Finished difference. Result has 51 places, 0 transitions, 0 flow [2023-11-06 22:07:35,956 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=159, PETRI_DIFFERENCE_MINUEND_FLOW=90, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=51, PETRI_TRANSITIONS=0} [2023-11-06 22:07:35,958 INFO L281 CegarLoopForPetriNet]: 54 programPoint places, -3 predicate places. [2023-11-06 22:07:35,959 INFO L495 AbstractCegarLoop]: Abstraction has has 51 places, 0 transitions, 0 flow [2023-11-06 22:07:35,959 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 91.16666666666667) internal successors, (547), 6 states have internal predecessors, (547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:07:35,962 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (8 of 9 remaining) [2023-11-06 22:07:35,962 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (7 of 9 remaining) [2023-11-06 22:07:35,963 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (6 of 9 remaining) [2023-11-06 22:07:35,964 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (5 of 9 remaining) [2023-11-06 22:07:35,964 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 9 remaining) [2023-11-06 22:07:35,964 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 9 remaining) [2023-11-06 22:07:35,964 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 9 remaining) [2023-11-06 22:07:35,965 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 9 remaining) [2023-11-06 22:07:35,965 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 9 remaining) [2023-11-06 22:07:35,965 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-06 22:07:35,965 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-11-06 22:07:35,971 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-06 22:07:35,972 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:07:35,978 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:07:35 BasicIcfg [2023-11-06 22:07:35,978 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:07:35,979 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:07:35,979 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:07:35,979 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:07:35,979 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:07:25" (3/4) ... [2023-11-06 22:07:35,982 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 22:07:35,987 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2023-11-06 22:07:35,996 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-11-06 22:07:35,996 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-06 22:07:35,996 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-06 22:07:36,080 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472fe045-d2ef-4bca-96bc-335bc6bc6595/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 22:07:36,080 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472fe045-d2ef-4bca-96bc-335bc6bc6595/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 22:07:36,080 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:07:36,082 INFO L158 Benchmark]: Toolchain (without parser) took 11610.86ms. Allocated memory was 130.0MB in the beginning and 257.9MB in the end (delta: 127.9MB). Free memory was 69.0MB in the beginning and 159.4MB in the end (delta: -90.4MB). Peak memory consumption was 39.9MB. Max. memory is 16.1GB. [2023-11-06 22:07:36,082 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 130.0MB. Free memory is still 105.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:07:36,083 INFO L158 Benchmark]: CACSL2BoogieTranslator took 697.10ms. Allocated memory was 130.0MB in the beginning and 178.3MB in the end (delta: 48.2MB). Free memory was 68.7MB in the beginning and 140.0MB in the end (delta: -71.3MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2023-11-06 22:07:36,083 INFO L158 Benchmark]: Boogie Procedure Inliner took 95.40ms. Allocated memory is still 178.3MB. Free memory was 140.0MB in the beginning and 137.1MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:07:36,083 INFO L158 Benchmark]: Boogie Preprocessor took 69.41ms. Allocated memory is still 178.3MB. Free memory was 137.1MB in the beginning and 135.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:07:36,084 INFO L158 Benchmark]: RCFGBuilder took 635.96ms. Allocated memory is still 178.3MB. Free memory was 135.8MB in the beginning and 118.2MB in the end (delta: 17.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-06 22:07:36,084 INFO L158 Benchmark]: TraceAbstraction took 9999.62ms. Allocated memory was 178.3MB in the beginning and 257.9MB in the end (delta: 79.7MB). Free memory was 118.2MB in the beginning and 163.6MB in the end (delta: -45.4MB). Peak memory consumption was 34.1MB. Max. memory is 16.1GB. [2023-11-06 22:07:36,085 INFO L158 Benchmark]: Witness Printer took 101.92ms. Allocated memory is still 257.9MB. Free memory was 163.6MB in the beginning and 159.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:07:36,088 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 130.0MB. Free memory is still 105.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 697.10ms. Allocated memory was 130.0MB in the beginning and 178.3MB in the end (delta: 48.2MB). Free memory was 68.7MB in the beginning and 140.0MB in the end (delta: -71.3MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 95.40ms. Allocated memory is still 178.3MB. Free memory was 140.0MB in the beginning and 137.1MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.41ms. Allocated memory is still 178.3MB. Free memory was 137.1MB in the beginning and 135.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 635.96ms. Allocated memory is still 178.3MB. Free memory was 135.8MB in the beginning and 118.2MB in the end (delta: 17.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 9999.62ms. Allocated memory was 178.3MB in the beginning and 257.9MB in the end (delta: 79.7MB). Free memory was 118.2MB in the beginning and 163.6MB in the end (delta: -45.4MB). Peak memory consumption was 34.1MB. Max. memory is 16.1GB. * Witness Printer took 101.92ms. Allocated memory is still 257.9MB. Free memory was 163.6MB in the beginning and 159.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.0s, 108 PlacesBefore, 54 PlacesAfterwards, 104 TransitionsBefore, 50 TransitionsAfterwards, 2600 CoEnabledTransitionPairs, 6 FixpointIterations, 25 TrivialSequentialCompositions, 29 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 54 TotalNumberOfCompositions, 15234 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3041, independent: 2430, independent conditional: 0, independent unconditional: 2430, dependent: 611, dependent conditional: 0, dependent unconditional: 611, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1068, independent: 978, independent conditional: 0, independent unconditional: 978, dependent: 90, dependent conditional: 0, dependent unconditional: 90, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3041, independent: 1452, independent conditional: 0, independent unconditional: 1452, dependent: 521, dependent conditional: 0, dependent unconditional: 521, unknown: 1068, unknown conditional: 0, unknown unconditional: 1068] , Statistics on independence cache: Total cache size (in pairs): 217, Positive cache size: 143, Positive conditional cache size: 0, Positive unconditional cache size: 143, Negative cache size: 74, Negative conditional cache size: 0, Negative unconditional cache size: 74, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 693]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 693]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 696]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 696]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 683]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 683]: 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, 133 locations, 9 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: 9.8s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 881 SdHoareTripleChecker+Valid, 2.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 537 mSDsluCounter, 19 SdHoareTripleChecker+Invalid, 2.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 383 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1846 IncrementalHoareTripleChecker+Invalid, 2229 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 383 mSolverCounterUnsat, 19 mSDtfsCounter, 1846 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1646occurred in iteration=3, InterpolantAutomatonStates: 33, 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, 2.2s InterpolantComputationTime, 109 NumberOfCodeBlocks, 109 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 103 ConstructedInterpolants, 0 QuantifiedInterpolants, 530 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-06 22:07:36,120 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472fe045-d2ef-4bca-96bc-335bc6bc6595/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE