./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_30-traces-oplus-vs-meet_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b809921b-8162-42fd-a788-aa9beb2b55fa/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b809921b-8162-42fd-a788-aa9beb2b55fa/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b809921b-8162-42fd-a788-aa9beb2b55fa/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b809921b-8162-42fd-a788-aa9beb2b55fa/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_30-traces-oplus-vs-meet_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b809921b-8162-42fd-a788-aa9beb2b55fa/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b809921b-8162-42fd-a788-aa9beb2b55fa/bin/uautomizer-verify-aQ6SnzHsRB --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 9f8eb81fe04afedf177636b6e0b2ff7ec90c549122dc143b3ac2872279b10356 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:25:07,004 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:25:07,122 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b809921b-8162-42fd-a788-aa9beb2b55fa/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-28 02:25:07,134 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:25:07,134 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:25:07,170 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:25:07,170 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:25:07,171 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:25:07,171 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:25:07,171 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:25:07,172 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:25:07,172 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:25:07,172 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:25:07,172 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:25:07,172 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:25:07,172 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:25:07,172 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:25:07,173 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:25:07,173 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:25:07,173 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:25:07,173 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:25:07,173 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:25:07,173 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-28 02:25:07,173 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 02:25:07,173 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:25:07,173 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:25:07,174 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:25:07,174 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:25:07,174 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:25:07,174 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:25:07,174 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:25:07,174 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:25:07,175 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:25:07,175 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:25:07,175 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:25:07,175 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:25:07,175 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:25:07,175 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:25:07,175 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:25:07,176 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:25:07,176 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 02:25:07,176 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 02:25:07,176 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:25:07,176 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:25:07,176 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:25:07,176 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:25:07,176 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_b809921b-8162-42fd-a788-aa9beb2b55fa/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 9f8eb81fe04afedf177636b6e0b2ff7ec90c549122dc143b3ac2872279b10356 [2024-11-28 02:25:07,549 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:25:07,561 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:25:07,564 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:25:07,565 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:25:07,565 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:25:07,567 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b809921b-8162-42fd-a788-aa9beb2b55fa/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/goblint-regression/13-privatized_30-traces-oplus-vs-meet_true.i [2024-11-28 02:25:11,187 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b809921b-8162-42fd-a788-aa9beb2b55fa/bin/uautomizer-verify-aQ6SnzHsRB/data/9ea473a9b/d34aeec9408443b486a0e67ad69277c6/FLAG18c3d0e22 [2024-11-28 02:25:11,633 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:25:11,633 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b809921b-8162-42fd-a788-aa9beb2b55fa/sv-benchmarks/c/goblint-regression/13-privatized_30-traces-oplus-vs-meet_true.i [2024-11-28 02:25:11,648 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b809921b-8162-42fd-a788-aa9beb2b55fa/bin/uautomizer-verify-aQ6SnzHsRB/data/9ea473a9b/d34aeec9408443b486a0e67ad69277c6/FLAG18c3d0e22 [2024-11-28 02:25:11,667 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b809921b-8162-42fd-a788-aa9beb2b55fa/bin/uautomizer-verify-aQ6SnzHsRB/data/9ea473a9b/d34aeec9408443b486a0e67ad69277c6 [2024-11-28 02:25:11,671 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:25:11,672 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:25:11,675 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:25:11,677 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:25:11,681 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:25:11,683 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:25:11" (1/1) ... [2024-11-28 02:25:11,684 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@315c2a8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:25:11, skipping insertion in model container [2024-11-28 02:25:11,684 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:25:11" (1/1) ... [2024-11-28 02:25:11,735 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:25:12,122 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:25:12,144 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:25:12,224 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:25:12,283 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:25:12,284 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:25:12 WrapperNode [2024-11-28 02:25:12,285 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:25:12,286 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:25:12,287 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:25:12,287 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:25:12,295 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:25:12" (1/1) ... [2024-11-28 02:25:12,316 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:25:12" (1/1) ... [2024-11-28 02:25:12,343 INFO L138 Inliner]: procedures = 162, calls = 32, calls flagged for inlining = 5, calls inlined = 6, statements flattened = 65 [2024-11-28 02:25:12,344 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:25:12,345 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:25:12,348 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:25:12,348 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:25:12,358 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:25:12" (1/1) ... [2024-11-28 02:25:12,358 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:25:12" (1/1) ... [2024-11-28 02:25:12,361 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:25:12" (1/1) ... [2024-11-28 02:25:12,362 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:25:12" (1/1) ... [2024-11-28 02:25:12,368 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:25:12" (1/1) ... [2024-11-28 02:25:12,369 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:25:12" (1/1) ... [2024-11-28 02:25:12,372 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:25:12" (1/1) ... [2024-11-28 02:25:12,373 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:25:12" (1/1) ... [2024-11-28 02:25:12,374 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:25:12" (1/1) ... [2024-11-28 02:25:12,377 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:25:12,378 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:25:12,378 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:25:12,378 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:25:12,380 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:25:12" (1/1) ... [2024-11-28 02:25:12,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:25:12,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b809921b-8162-42fd-a788-aa9beb2b55fa/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:25:12,428 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b809921b-8162-42fd-a788-aa9beb2b55fa/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:25:12,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b809921b-8162-42fd-a788-aa9beb2b55fa/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:25:12,470 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-28 02:25:12,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:25:12,470 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-28 02:25:12,471 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-28 02:25:12,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-28 02:25:12,471 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-28 02:25:12,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:25:12,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:25:12,473 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-28 02:25:12,665 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:25:12,667 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:25:13,025 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 02:25:13,025 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:25:13,104 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:25:13,105 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 02:25:13,105 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:25:13 BoogieIcfgContainer [2024-11-28 02:25:13,105 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:25:13,113 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:25:13,113 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:25:13,119 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:25:13,119 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:25:11" (1/3) ... [2024-11-28 02:25:13,120 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c38634c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:25:13, skipping insertion in model container [2024-11-28 02:25:13,120 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:25:12" (2/3) ... [2024-11-28 02:25:13,121 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c38634c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:25:13, skipping insertion in model container [2024-11-28 02:25:13,121 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:25:13" (3/3) ... [2024-11-28 02:25:13,122 INFO L128 eAbstractionObserver]: Analyzing ICFG 13-privatized_30-traces-oplus-vs-meet_true.i [2024-11-28 02:25:13,136 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:25:13,138 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 13-privatized_30-traces-oplus-vs-meet_true.i that has 2 procedures, 100 locations, 1 initial locations, 0 loop locations, and 4 error locations. [2024-11-28 02:25:13,138 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 02:25:13,200 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-28 02:25:13,263 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 103 places, 103 transitions, 213 flow [2024-11-28 02:25:13,337 INFO L124 PetriNetUnfolderBase]: 4/102 cut-off events. [2024-11-28 02:25:13,340 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-28 02:25:13,346 INFO L83 FinitePrefix]: Finished finitePrefix Result has 107 conditions, 102 events. 4/102 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 82 event pairs, 0 based on Foata normal form. 0/94 useless extension candidates. Maximal degree in co-relation 53. Up to 2 conditions per place. [2024-11-28 02:25:13,347 INFO L82 GeneralOperation]: Start removeDead. Operand has 103 places, 103 transitions, 213 flow [2024-11-28 02:25:13,353 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 97 places, 97 transitions, 197 flow [2024-11-28 02:25:13,363 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:25:13,379 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;@750b4b6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:25:13,379 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-28 02:25:13,391 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 02:25:13,391 INFO L124 PetriNetUnfolderBase]: 0/25 cut-off events. [2024-11-28 02:25:13,391 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 02:25:13,391 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:25:13,392 INFO L206 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] [2024-11-28 02:25:13,392 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-28 02:25:13,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:25:13,400 INFO L85 PathProgramCache]: Analyzing trace with hash 1175308979, now seen corresponding path program 1 times [2024-11-28 02:25:13,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:25:13,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577875351] [2024-11-28 02:25:13,410 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:25:13,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:25:13,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:25:13,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:25:13,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:25:13,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577875351] [2024-11-28 02:25:13,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1577875351] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:25:13,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:25:13,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:25:13,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789584127] [2024-11-28 02:25:13,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:25:13,767 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:25:13,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:25:13,803 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:25:13,804 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:25:13,848 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 103 [2024-11-28 02:25:13,857 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 97 transitions, 197 flow. Second operand has 3 states, 3 states have (on average 77.66666666666667) internal successors, (233), 3 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:25:13,857 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:25:13,858 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 103 [2024-11-28 02:25:13,858 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:25:14,089 INFO L124 PetriNetUnfolderBase]: 67/416 cut-off events. [2024-11-28 02:25:14,089 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-28 02:25:14,092 INFO L83 FinitePrefix]: Finished finitePrefix Result has 583 conditions, 416 events. 67/416 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2112 event pairs, 17 based on Foata normal form. 32/412 useless extension candidates. Maximal degree in co-relation 536. Up to 82 conditions per place. [2024-11-28 02:25:14,095 INFO L140 encePairwiseOnDemand]: 92/103 looper letters, 22 selfloop transitions, 5 changer transitions 5/99 dead transitions. [2024-11-28 02:25:14,095 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 99 transitions, 259 flow [2024-11-28 02:25:14,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:25:14,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:25:14,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 268 transitions. [2024-11-28 02:25:14,118 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8673139158576052 [2024-11-28 02:25:14,121 INFO L175 Difference]: Start difference. First operand has 97 places, 97 transitions, 197 flow. Second operand 3 states and 268 transitions. [2024-11-28 02:25:14,122 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 99 transitions, 259 flow [2024-11-28 02:25:14,131 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 99 transitions, 258 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 02:25:14,139 INFO L231 Difference]: Finished difference. Result has 95 places, 88 transitions, 206 flow [2024-11-28 02:25:14,142 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=103, PETRI_DIFFERENCE_MINUEND_FLOW=178, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=206, PETRI_PLACES=95, PETRI_TRANSITIONS=88} [2024-11-28 02:25:14,147 INFO L279 CegarLoopForPetriNet]: 97 programPoint places, -2 predicate places. [2024-11-28 02:25:14,147 INFO L471 AbstractCegarLoop]: Abstraction has has 95 places, 88 transitions, 206 flow [2024-11-28 02:25:14,150 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 77.66666666666667) internal successors, (233), 3 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:25:14,151 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:25:14,151 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:25:14,151 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 02:25:14,151 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-28 02:25:14,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:25:14,152 INFO L85 PathProgramCache]: Analyzing trace with hash 894379064, now seen corresponding path program 1 times [2024-11-28 02:25:14,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:25:14,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357863006] [2024-11-28 02:25:14,153 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:25:14,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:25:14,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:25:14,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:25:14,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:25:14,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357863006] [2024-11-28 02:25:14,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [357863006] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:25:14,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:25:14,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:25:14,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568153714] [2024-11-28 02:25:14,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:25:14,300 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:25:14,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:25:14,300 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:25:14,300 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:25:14,358 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 103 [2024-11-28 02:25:14,359 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 88 transitions, 206 flow. Second operand has 3 states, 3 states have (on average 79.33333333333333) internal successors, (238), 3 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:25:14,359 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:25:14,359 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 103 [2024-11-28 02:25:14,359 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:25:14,552 INFO L124 PetriNetUnfolderBase]: 84/461 cut-off events. [2024-11-28 02:25:14,552 INFO L125 PetriNetUnfolderBase]: For 57/60 co-relation queries the response was YES. [2024-11-28 02:25:14,557 INFO L83 FinitePrefix]: Finished finitePrefix Result has 732 conditions, 461 events. 84/461 cut-off events. For 57/60 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 2513 event pairs, 56 based on Foata normal form. 0/424 useless extension candidates. Maximal degree in co-relation 686. Up to 165 conditions per place. [2024-11-28 02:25:14,559 INFO L140 encePairwiseOnDemand]: 98/103 looper letters, 24 selfloop transitions, 4 changer transitions 0/95 dead transitions. [2024-11-28 02:25:14,562 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 95 transitions, 280 flow [2024-11-28 02:25:14,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:25:14,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:25:14,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 258 transitions. [2024-11-28 02:25:14,568 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8349514563106796 [2024-11-28 02:25:14,568 INFO L175 Difference]: Start difference. First operand has 95 places, 88 transitions, 206 flow. Second operand 3 states and 258 transitions. [2024-11-28 02:25:14,568 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 95 transitions, 280 flow [2024-11-28 02:25:14,570 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 95 transitions, 268 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:25:14,575 INFO L231 Difference]: Finished difference. Result has 94 places, 91 transitions, 228 flow [2024-11-28 02:25:14,576 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=103, PETRI_DIFFERENCE_MINUEND_FLOW=196, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=228, PETRI_PLACES=94, PETRI_TRANSITIONS=91} [2024-11-28 02:25:14,578 INFO L279 CegarLoopForPetriNet]: 97 programPoint places, -3 predicate places. [2024-11-28 02:25:14,578 INFO L471 AbstractCegarLoop]: Abstraction has has 94 places, 91 transitions, 228 flow [2024-11-28 02:25:14,579 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 79.33333333333333) internal successors, (238), 3 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:25:14,579 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:25:14,579 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:25:14,580 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 02:25:14,580 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)] === [2024-11-28 02:25:14,581 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:25:14,582 INFO L85 PathProgramCache]: Analyzing trace with hash 100676970, now seen corresponding path program 1 times [2024-11-28 02:25:14,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:25:14,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550648305] [2024-11-28 02:25:14,583 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:25:14,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:25:14,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:25:14,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:25:14,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:25:14,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550648305] [2024-11-28 02:25:14,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [550648305] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:25:14,988 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:25:14,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:25:14,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821859249] [2024-11-28 02:25:14,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:25:14,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:25:14,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:25:14,992 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:25:14,992 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:25:15,023 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 103 [2024-11-28 02:25:15,025 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 91 transitions, 228 flow. Second operand has 3 states, 3 states have (on average 86.0) internal successors, (258), 3 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:25:15,027 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:25:15,027 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 103 [2024-11-28 02:25:15,027 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:25:15,189 INFO L124 PetriNetUnfolderBase]: 27/299 cut-off events. [2024-11-28 02:25:15,191 INFO L125 PetriNetUnfolderBase]: For 17/17 co-relation queries the response was YES. [2024-11-28 02:25:15,192 INFO L83 FinitePrefix]: Finished finitePrefix Result has 434 conditions, 299 events. 27/299 cut-off events. For 17/17 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1291 event pairs, 14 based on Foata normal form. 3/289 useless extension candidates. Maximal degree in co-relation 388. Up to 63 conditions per place. [2024-11-28 02:25:15,193 INFO L140 encePairwiseOnDemand]: 96/103 looper letters, 11 selfloop transitions, 6 changer transitions 3/95 dead transitions. [2024-11-28 02:25:15,193 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 95 transitions, 262 flow [2024-11-28 02:25:15,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:25:15,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:25:15,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 274 transitions. [2024-11-28 02:25:15,198 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8867313915857605 [2024-11-28 02:25:15,198 INFO L175 Difference]: Start difference. First operand has 94 places, 91 transitions, 228 flow. Second operand 3 states and 274 transitions. [2024-11-28 02:25:15,198 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 95 transitions, 262 flow [2024-11-28 02:25:15,204 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 95 transitions, 250 flow, removed 2 selfloop flow, removed 4 redundant places. [2024-11-28 02:25:15,206 INFO L231 Difference]: Finished difference. Result has 92 places, 89 transitions, 222 flow [2024-11-28 02:25:15,207 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=103, PETRI_DIFFERENCE_MINUEND_FLOW=194, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=222, PETRI_PLACES=92, PETRI_TRANSITIONS=89} [2024-11-28 02:25:15,209 INFO L279 CegarLoopForPetriNet]: 97 programPoint places, -5 predicate places. [2024-11-28 02:25:15,210 INFO L471 AbstractCegarLoop]: Abstraction has has 92 places, 89 transitions, 222 flow [2024-11-28 02:25:15,211 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 86.0) internal successors, (258), 3 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:25:15,211 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:25:15,211 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:25:15,211 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 02:25:15,212 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-28 02:25:15,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:25:15,214 INFO L85 PathProgramCache]: Analyzing trace with hash 1152150653, now seen corresponding path program 1 times [2024-11-28 02:25:15,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:25:15,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852065093] [2024-11-28 02:25:15,215 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:25:15,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:25:15,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:25:15,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:25:15,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:25:15,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852065093] [2024-11-28 02:25:15,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852065093] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:25:15,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:25:15,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:25:15,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500976264] [2024-11-28 02:25:15,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:25:15,313 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:25:15,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:25:15,315 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:25:15,315 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:25:15,370 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 103 [2024-11-28 02:25:15,371 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 89 transitions, 222 flow. Second operand has 3 states, 3 states have (on average 80.33333333333333) internal successors, (241), 3 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:25:15,371 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:25:15,372 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 103 [2024-11-28 02:25:15,372 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:25:15,478 INFO L124 PetriNetUnfolderBase]: 50/336 cut-off events. [2024-11-28 02:25:15,478 INFO L125 PetriNetUnfolderBase]: For 84/89 co-relation queries the response was YES. [2024-11-28 02:25:15,481 INFO L83 FinitePrefix]: Finished finitePrefix Result has 602 conditions, 336 events. 50/336 cut-off events. For 84/89 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1593 event pairs, 26 based on Foata normal form. 0/317 useless extension candidates. Maximal degree in co-relation 556. Up to 109 conditions per place. [2024-11-28 02:25:15,483 INFO L140 encePairwiseOnDemand]: 98/103 looper letters, 19 selfloop transitions, 4 changer transitions 8/96 dead transitions. [2024-11-28 02:25:15,484 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 96 transitions, 306 flow [2024-11-28 02:25:15,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:25:15,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:25:15,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 258 transitions. [2024-11-28 02:25:15,486 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8349514563106796 [2024-11-28 02:25:15,486 INFO L175 Difference]: Start difference. First operand has 92 places, 89 transitions, 222 flow. Second operand 3 states and 258 transitions. [2024-11-28 02:25:15,487 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 96 transitions, 306 flow [2024-11-28 02:25:15,491 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 96 transitions, 296 flow, removed 1 selfloop flow, removed 1 redundant places. [2024-11-28 02:25:15,493 INFO L231 Difference]: Finished difference. Result has 95 places, 86 transitions, 224 flow [2024-11-28 02:25:15,495 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=103, PETRI_DIFFERENCE_MINUEND_FLOW=214, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=224, PETRI_PLACES=95, PETRI_TRANSITIONS=86} [2024-11-28 02:25:15,496 INFO L279 CegarLoopForPetriNet]: 97 programPoint places, -2 predicate places. [2024-11-28 02:25:15,496 INFO L471 AbstractCegarLoop]: Abstraction has has 95 places, 86 transitions, 224 flow [2024-11-28 02:25:15,496 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 80.33333333333333) internal successors, (241), 3 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:25:15,496 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:25:15,496 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:25:15,497 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 02:25:15,497 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-28 02:25:15,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:25:15,499 INFO L85 PathProgramCache]: Analyzing trace with hash 176178483, now seen corresponding path program 1 times [2024-11-28 02:25:15,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:25:15,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644843061] [2024-11-28 02:25:15,500 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:25:15,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:25:15,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:25:15,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:25:15,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:25:15,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644843061] [2024-11-28 02:25:15,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [644843061] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:25:15,927 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:25:15,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:25:15,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077385208] [2024-11-28 02:25:15,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:25:15,927 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:25:15,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:25:15,928 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:25:15,928 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:25:15,994 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 103 [2024-11-28 02:25:15,995 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 86 transitions, 224 flow. Second operand has 5 states, 5 states have (on average 84.8) internal successors, (424), 5 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:25:15,995 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:25:15,995 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 103 [2024-11-28 02:25:15,995 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:25:16,074 INFO L124 PetriNetUnfolderBase]: 1/90 cut-off events. [2024-11-28 02:25:16,074 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2024-11-28 02:25:16,074 INFO L83 FinitePrefix]: Finished finitePrefix Result has 138 conditions, 90 events. 1/90 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 43 event pairs, 0 based on Foata normal form. 6/94 useless extension candidates. Maximal degree in co-relation 114. Up to 10 conditions per place. [2024-11-28 02:25:16,075 INFO L140 encePairwiseOnDemand]: 96/103 looper letters, 0 selfloop transitions, 0 changer transitions 78/78 dead transitions. [2024-11-28 02:25:16,075 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 78 transitions, 222 flow [2024-11-28 02:25:16,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:25:16,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-28 02:25:16,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 430 transitions. [2024-11-28 02:25:16,078 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8349514563106796 [2024-11-28 02:25:16,078 INFO L175 Difference]: Start difference. First operand has 95 places, 86 transitions, 224 flow. Second operand 5 states and 430 transitions. [2024-11-28 02:25:16,078 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 78 transitions, 222 flow [2024-11-28 02:25:16,080 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 78 transitions, 197 flow, removed 4 selfloop flow, removed 5 redundant places. [2024-11-28 02:25:16,081 INFO L231 Difference]: Finished difference. Result has 86 places, 0 transitions, 0 flow [2024-11-28 02:25:16,081 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=103, PETRI_DIFFERENCE_MINUEND_FLOW=170, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=86, PETRI_TRANSITIONS=0} [2024-11-28 02:25:16,082 INFO L279 CegarLoopForPetriNet]: 97 programPoint places, -11 predicate places. [2024-11-28 02:25:16,082 INFO L471 AbstractCegarLoop]: Abstraction has has 86 places, 0 transitions, 0 flow [2024-11-28 02:25:16,083 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 84.8) internal successors, (424), 5 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:25:16,086 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2024-11-28 02:25:16,086 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2024-11-28 02:25:16,087 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2024-11-28 02:25:16,087 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2024-11-28 02:25:16,087 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2024-11-28 02:25:16,087 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2024-11-28 02:25:16,088 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2024-11-28 02:25:16,088 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 02:25:16,088 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-28 02:25:16,095 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-28 02:25:16,095 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 02:25:16,102 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:25:16 BasicIcfg [2024-11-28 02:25:16,102 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 02:25:16,103 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 02:25:16,103 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 02:25:16,104 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 02:25:16,104 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:25:13" (3/4) ... [2024-11-28 02:25:16,106 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 02:25:16,111 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-11-28 02:25:16,115 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-11-28 02:25:16,116 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-28 02:25:16,116 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-28 02:25:16,116 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 02:25:16,225 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b809921b-8162-42fd-a788-aa9beb2b55fa/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 02:25:16,225 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b809921b-8162-42fd-a788-aa9beb2b55fa/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 02:25:16,225 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 02:25:16,227 INFO L158 Benchmark]: Toolchain (without parser) took 4554.16ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 43.4MB in the end (delta: 48.2MB). Peak memory consumption was 49.3MB. Max. memory is 16.1GB. [2024-11-28 02:25:16,228 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 74.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:25:16,229 INFO L158 Benchmark]: CACSL2BoogieTranslator took 610.49ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 71.9MB in the end (delta: 19.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 02:25:16,230 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.48ms. Allocated memory is still 117.4MB. Free memory was 71.6MB in the beginning and 70.0MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:25:16,230 INFO L158 Benchmark]: Boogie Preprocessor took 31.45ms. Allocated memory is still 117.4MB. Free memory was 70.0MB in the beginning and 68.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:25:16,231 INFO L158 Benchmark]: RCFGBuilder took 727.33ms. Allocated memory is still 117.4MB. Free memory was 68.9MB in the beginning and 53.5MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 02:25:16,231 INFO L158 Benchmark]: TraceAbstraction took 2989.51ms. Allocated memory is still 117.4MB. Free memory was 53.0MB in the beginning and 48.4MB in the end (delta: 4.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:25:16,233 INFO L158 Benchmark]: Witness Printer took 122.37ms. Allocated memory is still 117.4MB. Free memory was 48.4MB in the beginning and 43.4MB in the end (delta: 5.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:25:16,235 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 74.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 610.49ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 71.9MB in the end (delta: 19.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.48ms. Allocated memory is still 117.4MB. Free memory was 71.6MB in the beginning and 70.0MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.45ms. Allocated memory is still 117.4MB. Free memory was 70.0MB in the beginning and 68.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 727.33ms. Allocated memory is still 117.4MB. Free memory was 68.9MB in the beginning and 53.5MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2989.51ms. Allocated memory is still 117.4MB. Free memory was 53.0MB in the beginning and 48.4MB in the end (delta: 4.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 122.37ms. Allocated memory is still 117.4MB. Free memory was 48.4MB in the beginning and 43.4MB in the end (delta: 5.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 697]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 701]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 687]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 690]: 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, 129 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: 2.8s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 152 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 78 mSDsluCounter, 22 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 236 IncrementalHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 22 mSDtfsCounter, 236 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=228occurred in iteration=2, InterpolantAutomatonStates: 17, 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, 1.0s InterpolantComputationTime, 238 NumberOfCodeBlocks, 238 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 233 ConstructedInterpolants, 0 QuantifiedInterpolants, 384 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-28 02:25:16,266 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b809921b-8162-42fd-a788-aa9beb2b55fa/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE