./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-atomic/time_var_mutex.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f58411d-0bc6-465d-84ba-07961ff25f79/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f58411d-0bc6-465d-84ba-07961ff25f79/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f58411d-0bc6-465d-84ba-07961ff25f79/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f58411d-0bc6-465d-84ba-07961ff25f79/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-atomic/time_var_mutex.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f58411d-0bc6-465d-84ba-07961ff25f79/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f58411d-0bc6-465d-84ba-07961ff25f79/bin/uautomizer-verify-LYvppIcaGC --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 1985bb251db70a1c798d345be7e1671f9dcc6a359b969ca99d23e0003d9a3770 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 23:06:52,105 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 23:06:52,227 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f58411d-0bc6-465d-84ba-07961ff25f79/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-23 23:06:52,241 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 23:06:52,241 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 23:06:52,283 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 23:06:52,284 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 23:06:52,285 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 23:06:52,285 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 23:06:52,286 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 23:06:52,287 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 23:06:52,288 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 23:06:52,288 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 23:06:52,288 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 23:06:52,288 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 23:06:52,289 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 23:06:52,289 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 23:06:52,289 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 23:06:52,289 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 23:06:52,289 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 23:06:52,289 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 23:06:52,289 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 23:06:52,289 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-23 23:06:52,289 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 23:06:52,289 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 23:06:52,290 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 23:06:52,290 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 23:06:52,290 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 23:06:52,290 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 23:06:52,290 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:06:52,290 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:06:52,291 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:06:52,292 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 23:06:52,292 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:06:52,292 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:06:52,292 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:06:52,292 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 23:06:52,292 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 23:06:52,293 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 23:06:52,293 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 23:06:52,293 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 23:06:52,293 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 23:06:52,293 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 23:06:52,293 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 23:06:52,294 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 23:06:52,294 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 23:06:52,294 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_8f58411d-0bc6-465d-84ba-07961ff25f79/bin/uautomizer-verify-LYvppIcaGC 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 -> 1985bb251db70a1c798d345be7e1671f9dcc6a359b969ca99d23e0003d9a3770 [2024-11-23 23:06:52,670 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 23:06:52,682 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 23:06:52,686 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 23:06:52,688 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 23:06:52,690 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 23:06:52,692 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f58411d-0bc6-465d-84ba-07961ff25f79/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/pthread-atomic/time_var_mutex.i [2024-11-23 23:06:56,180 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f58411d-0bc6-465d-84ba-07961ff25f79/bin/uautomizer-verify-LYvppIcaGC/data/1f46f2ac5/c5df3429a2e44ecea4088a2245bddf32/FLAG9bbd89450 [2024-11-23 23:06:56,655 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 23:06:56,659 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f58411d-0bc6-465d-84ba-07961ff25f79/sv-benchmarks/c/pthread-atomic/time_var_mutex.i [2024-11-23 23:06:56,684 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f58411d-0bc6-465d-84ba-07961ff25f79/bin/uautomizer-verify-LYvppIcaGC/data/1f46f2ac5/c5df3429a2e44ecea4088a2245bddf32/FLAG9bbd89450 [2024-11-23 23:06:56,772 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f58411d-0bc6-465d-84ba-07961ff25f79/bin/uautomizer-verify-LYvppIcaGC/data/1f46f2ac5/c5df3429a2e44ecea4088a2245bddf32 [2024-11-23 23:06:56,775 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 23:06:56,777 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 23:06:56,781 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 23:06:56,781 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 23:06:56,787 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 23:06:56,789 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:06:56" (1/1) ... [2024-11-23 23:06:56,790 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@469a2123 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:56, skipping insertion in model container [2024-11-23 23:06:56,790 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:06:56" (1/1) ... [2024-11-23 23:06:56,846 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 23:06:57,235 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:06:57,256 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 23:06:57,325 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:06:57,373 INFO L204 MainTranslator]: Completed translation [2024-11-23 23:06:57,374 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:57 WrapperNode [2024-11-23 23:06:57,374 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 23:06:57,375 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 23:06:57,375 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 23:06:57,376 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 23:06:57,384 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:57" (1/1) ... [2024-11-23 23:06:57,408 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:57" (1/1) ... [2024-11-23 23:06:57,449 INFO L138 Inliner]: procedures = 169, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 119 [2024-11-23 23:06:57,452 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 23:06:57,453 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 23:06:57,453 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 23:06:57,453 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 23:06:57,462 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:57" (1/1) ... [2024-11-23 23:06:57,462 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:57" (1/1) ... [2024-11-23 23:06:57,466 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:57" (1/1) ... [2024-11-23 23:06:57,466 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:57" (1/1) ... [2024-11-23 23:06:57,473 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:57" (1/1) ... [2024-11-23 23:06:57,474 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:57" (1/1) ... [2024-11-23 23:06:57,476 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:57" (1/1) ... [2024-11-23 23:06:57,478 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:57" (1/1) ... [2024-11-23 23:06:57,479 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:57" (1/1) ... [2024-11-23 23:06:57,481 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 23:06:57,482 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 23:06:57,483 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 23:06:57,483 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 23:06:57,484 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:57" (1/1) ... [2024-11-23 23:06:57,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:06:57,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f58411d-0bc6-465d-84ba-07961ff25f79/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:06:57,529 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f58411d-0bc6-465d-84ba-07961ff25f79/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 23:06:57,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f58411d-0bc6-465d-84ba-07961ff25f79/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 23:06:57,571 INFO L130 BoogieDeclarations]: Found specification of procedure allocator [2024-11-23 23:06:57,571 INFO L138 BoogieDeclarations]: Found implementation of procedure allocator [2024-11-23 23:06:57,571 INFO L130 BoogieDeclarations]: Found specification of procedure de_allocator [2024-11-23 23:06:57,571 INFO L138 BoogieDeclarations]: Found implementation of procedure de_allocator [2024-11-23 23:06:57,571 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-23 23:06:57,572 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 23:06:57,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-23 23:06:57,572 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-23 23:06:57,572 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 23:06:57,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 23:06:57,575 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-23 23:06:57,765 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 23:06:57,769 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 23:06:58,095 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-23 23:06:58,095 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 23:06:58,137 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 23:06:58,137 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-23 23:06:58,137 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:06:58 BoogieIcfgContainer [2024-11-23 23:06:58,137 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 23:06:58,141 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 23:06:58,141 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 23:06:58,147 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 23:06:58,147 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:06:56" (1/3) ... [2024-11-23 23:06:58,148 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33cd7b5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:06:58, skipping insertion in model container [2024-11-23 23:06:58,148 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:57" (2/3) ... [2024-11-23 23:06:58,149 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33cd7b5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:06:58, skipping insertion in model container [2024-11-23 23:06:58,149 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:06:58" (3/3) ... [2024-11-23 23:06:58,150 INFO L128 eAbstractionObserver]: Analyzing ICFG time_var_mutex.i [2024-11-23 23:06:58,170 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 23:06:58,172 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG time_var_mutex.i that has 3 procedures, 131 locations, 1 initial locations, 0 loop locations, and 10 error locations. [2024-11-23 23:06:58,172 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-23 23:06:58,297 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-23 23:06:58,350 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 137 places, 137 transitions, 288 flow [2024-11-23 23:06:58,466 INFO L124 PetriNetUnfolderBase]: 7/135 cut-off events. [2024-11-23 23:06:58,469 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-23 23:06:58,487 INFO L83 FinitePrefix]: Finished finitePrefix Result has 144 conditions, 135 events. 7/135 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 221 event pairs, 0 based on Foata normal form. 0/118 useless extension candidates. Maximal degree in co-relation 99. Up to 3 conditions per place. [2024-11-23 23:06:58,488 INFO L82 GeneralOperation]: Start removeDead. Operand has 137 places, 137 transitions, 288 flow [2024-11-23 23:06:58,496 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 130 places, 130 transitions, 269 flow [2024-11-23 23:06:58,505 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 23:06:58,528 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;@5acdc55a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 23:06:58,528 INFO L334 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2024-11-23 23:06:58,551 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-23 23:06:58,551 INFO L124 PetriNetUnfolderBase]: 0/28 cut-off events. [2024-11-23 23:06:58,552 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-23 23:06:58,552 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:06:58,552 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] [2024-11-23 23:06:58,553 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [allocatorErr0ASSERT_VIOLATIONDATA_RACE, allocatorErr3ASSERT_VIOLATIONDATA_RACE, allocatorErr1ASSERT_VIOLATIONDATA_RACE, allocatorErr4ASSERT_VIOLATIONDATA_RACE (and 16 more)] === [2024-11-23 23:06:58,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:06:58,563 INFO L85 PathProgramCache]: Analyzing trace with hash -2134265730, now seen corresponding path program 1 times [2024-11-23 23:06:58,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:06:58,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871735144] [2024-11-23 23:06:58,574 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:06:58,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:06:58,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:06:58,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:06:58,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:06:58,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871735144] [2024-11-23 23:06:58,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871735144] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:06:58,835 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:06:58,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:06:58,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506406279] [2024-11-23 23:06:58,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:06:58,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:06:58,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:06:58,881 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:06:58,881 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:06:58,910 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 137 [2024-11-23 23:06:58,914 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 130 transitions, 269 flow. Second operand has 3 states, 3 states have (on average 113.66666666666667) internal successors, (341), 3 states have internal predecessors, (341), 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) [2024-11-23 23:06:58,914 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:06:58,915 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 137 [2024-11-23 23:06:58,917 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:06:59,094 INFO L124 PetriNetUnfolderBase]: 29/337 cut-off events. [2024-11-23 23:06:59,094 INFO L125 PetriNetUnfolderBase]: For 28/28 co-relation queries the response was YES. [2024-11-23 23:06:59,096 INFO L83 FinitePrefix]: Finished finitePrefix Result has 439 conditions, 337 events. 29/337 cut-off events. For 28/28 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1506 event pairs, 20 based on Foata normal form. 30/320 useless extension candidates. Maximal degree in co-relation 359. Up to 53 conditions per place. [2024-11-23 23:06:59,099 INFO L140 encePairwiseOnDemand]: 128/137 looper letters, 17 selfloop transitions, 2 changer transitions 1/124 dead transitions. [2024-11-23 23:06:59,099 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 124 transitions, 301 flow [2024-11-23 23:06:59,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:06:59,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:06:59,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 369 transitions. [2024-11-23 23:06:59,117 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8978102189781022 [2024-11-23 23:06:59,119 INFO L175 Difference]: Start difference. First operand has 130 places, 130 transitions, 269 flow. Second operand 3 states and 369 transitions. [2024-11-23 23:06:59,120 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 124 transitions, 301 flow [2024-11-23 23:06:59,126 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 124 transitions, 293 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-23 23:06:59,130 INFO L231 Difference]: Finished difference. Result has 123 places, 118 transitions, 244 flow [2024-11-23 23:06:59,134 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=137, PETRI_DIFFERENCE_MINUEND_FLOW=242, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=119, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=117, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=244, PETRI_PLACES=123, PETRI_TRANSITIONS=118} [2024-11-23 23:06:59,138 INFO L279 CegarLoopForPetriNet]: 130 programPoint places, -7 predicate places. [2024-11-23 23:06:59,139 INFO L471 AbstractCegarLoop]: Abstraction has has 123 places, 118 transitions, 244 flow [2024-11-23 23:06:59,139 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 113.66666666666667) internal successors, (341), 3 states have internal predecessors, (341), 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) [2024-11-23 23:06:59,139 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:06:59,139 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] [2024-11-23 23:06:59,140 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-23 23:06:59,140 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [allocatorErr0ASSERT_VIOLATIONDATA_RACE, allocatorErr3ASSERT_VIOLATIONDATA_RACE, allocatorErr1ASSERT_VIOLATIONDATA_RACE, allocatorErr4ASSERT_VIOLATIONDATA_RACE (and 16 more)] === [2024-11-23 23:06:59,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:06:59,141 INFO L85 PathProgramCache]: Analyzing trace with hash 1965011323, now seen corresponding path program 1 times [2024-11-23 23:06:59,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:06:59,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43020904] [2024-11-23 23:06:59,141 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:06:59,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:06:59,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:06:59,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:06:59,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:06:59,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43020904] [2024-11-23 23:06:59,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [43020904] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:06:59,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:06:59,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:06:59,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637014269] [2024-11-23 23:06:59,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:06:59,278 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:06:59,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:06:59,279 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:06:59,280 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:06:59,310 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 137 [2024-11-23 23:06:59,311 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 118 transitions, 244 flow. Second operand has 3 states, 3 states have (on average 113.66666666666667) internal successors, (341), 3 states have internal predecessors, (341), 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) [2024-11-23 23:06:59,311 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:06:59,311 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 137 [2024-11-23 23:06:59,312 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:06:59,492 INFO L124 PetriNetUnfolderBase]: 53/556 cut-off events. [2024-11-23 23:06:59,492 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2024-11-23 23:06:59,496 INFO L83 FinitePrefix]: Finished finitePrefix Result has 697 conditions, 556 events. 53/556 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 3182 event pairs, 24 based on Foata normal form. 0/465 useless extension candidates. Maximal degree in co-relation 550. Up to 75 conditions per place. [2024-11-23 23:06:59,502 INFO L140 encePairwiseOnDemand]: 131/137 looper letters, 19 selfloop transitions, 4 changer transitions 0/125 dead transitions. [2024-11-23 23:06:59,503 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 125 transitions, 307 flow [2024-11-23 23:06:59,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:06:59,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:06:59,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 364 transitions. [2024-11-23 23:06:59,507 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8856447688564477 [2024-11-23 23:06:59,508 INFO L175 Difference]: Start difference. First operand has 123 places, 118 transitions, 244 flow. Second operand 3 states and 364 transitions. [2024-11-23 23:06:59,508 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 125 transitions, 307 flow [2024-11-23 23:06:59,511 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 125 transitions, 303 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 23:06:59,518 INFO L231 Difference]: Finished difference. Result has 123 places, 119 transitions, 264 flow [2024-11-23 23:06:59,518 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=137, PETRI_DIFFERENCE_MINUEND_FLOW=238, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=264, PETRI_PLACES=123, PETRI_TRANSITIONS=119} [2024-11-23 23:06:59,519 INFO L279 CegarLoopForPetriNet]: 130 programPoint places, -7 predicate places. [2024-11-23 23:06:59,519 INFO L471 AbstractCegarLoop]: Abstraction has has 123 places, 119 transitions, 264 flow [2024-11-23 23:06:59,520 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 113.66666666666667) internal successors, (341), 3 states have internal predecessors, (341), 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) [2024-11-23 23:06:59,520 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:06:59,520 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] [2024-11-23 23:06:59,520 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 23:06:59,521 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting allocatorErr3ASSERT_VIOLATIONDATA_RACE === [allocatorErr0ASSERT_VIOLATIONDATA_RACE, allocatorErr3ASSERT_VIOLATIONDATA_RACE, allocatorErr1ASSERT_VIOLATIONDATA_RACE, allocatorErr4ASSERT_VIOLATIONDATA_RACE (and 16 more)] === [2024-11-23 23:06:59,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:06:59,524 INFO L85 PathProgramCache]: Analyzing trace with hash 1745680844, now seen corresponding path program 1 times [2024-11-23 23:06:59,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:06:59,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203793064] [2024-11-23 23:06:59,524 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:06:59,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:06:59,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:06:59,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:06:59,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:06:59,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203793064] [2024-11-23 23:06:59,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203793064] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:06:59,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:06:59,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:06:59,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298603665] [2024-11-23 23:06:59,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:06:59,798 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:06:59,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:06:59,799 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:06:59,799 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:06:59,808 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 137 [2024-11-23 23:06:59,809 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 119 transitions, 264 flow. Second operand has 3 states, 3 states have (on average 117.33333333333333) internal successors, (352), 3 states have internal predecessors, (352), 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) [2024-11-23 23:06:59,809 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:06:59,809 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 137 [2024-11-23 23:06:59,809 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:06:59,906 INFO L124 PetriNetUnfolderBase]: 27/364 cut-off events. [2024-11-23 23:06:59,906 INFO L125 PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES. [2024-11-23 23:06:59,910 INFO L83 FinitePrefix]: Finished finitePrefix Result has 474 conditions, 364 events. 27/364 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1626 event pairs, 13 based on Foata normal form. 0/318 useless extension candidates. Maximal degree in co-relation 343. Up to 38 conditions per place. [2024-11-23 23:06:59,911 INFO L140 encePairwiseOnDemand]: 134/137 looper letters, 13 selfloop transitions, 2 changer transitions 0/121 dead transitions. [2024-11-23 23:06:59,912 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 121 transitions, 300 flow [2024-11-23 23:06:59,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:06:59,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:06:59,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 364 transitions. [2024-11-23 23:06:59,916 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8856447688564477 [2024-11-23 23:06:59,916 INFO L175 Difference]: Start difference. First operand has 123 places, 119 transitions, 264 flow. Second operand 3 states and 364 transitions. [2024-11-23 23:06:59,916 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 121 transitions, 300 flow [2024-11-23 23:06:59,920 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 121 transitions, 292 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 23:06:59,922 INFO L231 Difference]: Finished difference. Result has 123 places, 118 transitions, 258 flow [2024-11-23 23:06:59,923 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=137, PETRI_DIFFERENCE_MINUEND_FLOW=254, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=118, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=258, PETRI_PLACES=123, PETRI_TRANSITIONS=118} [2024-11-23 23:06:59,924 INFO L279 CegarLoopForPetriNet]: 130 programPoint places, -7 predicate places. [2024-11-23 23:06:59,924 INFO L471 AbstractCegarLoop]: Abstraction has has 123 places, 118 transitions, 258 flow [2024-11-23 23:06:59,925 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 117.33333333333333) internal successors, (352), 3 states have internal predecessors, (352), 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) [2024-11-23 23:06:59,925 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:06:59,925 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] [2024-11-23 23:06:59,925 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-23 23:06:59,925 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting allocatorErr1ASSERT_VIOLATIONDATA_RACE === [allocatorErr0ASSERT_VIOLATIONDATA_RACE, allocatorErr3ASSERT_VIOLATIONDATA_RACE, allocatorErr1ASSERT_VIOLATIONDATA_RACE, allocatorErr4ASSERT_VIOLATIONDATA_RACE (and 16 more)] === [2024-11-23 23:06:59,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:06:59,927 INFO L85 PathProgramCache]: Analyzing trace with hash 1644969517, now seen corresponding path program 1 times [2024-11-23 23:06:59,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:06:59,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201427702] [2024-11-23 23:06:59,928 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:06:59,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:06:59,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:07:00,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:07:00,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:07:00,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201427702] [2024-11-23 23:07:00,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201427702] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:07:00,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:07:00,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:07:00,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039314134] [2024-11-23 23:07:00,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:07:00,076 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:07:00,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:07:00,077 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:07:00,077 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:07:00,116 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 137 [2024-11-23 23:07:00,117 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 118 transitions, 258 flow. Second operand has 3 states, 3 states have (on average 115.33333333333333) internal successors, (346), 3 states have internal predecessors, (346), 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) [2024-11-23 23:07:00,117 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:07:00,117 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 137 [2024-11-23 23:07:00,117 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:07:00,268 INFO L124 PetriNetUnfolderBase]: 55/506 cut-off events. [2024-11-23 23:07:00,268 INFO L125 PetriNetUnfolderBase]: For 17/17 co-relation queries the response was YES. [2024-11-23 23:07:00,270 INFO L83 FinitePrefix]: Finished finitePrefix Result has 683 conditions, 506 events. 55/506 cut-off events. For 17/17 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 2588 event pairs, 31 based on Foata normal form. 0/436 useless extension candidates. Maximal degree in co-relation 543. Up to 97 conditions per place. [2024-11-23 23:07:00,272 INFO L140 encePairwiseOnDemand]: 132/137 looper letters, 19 selfloop transitions, 4 changer transitions 0/124 dead transitions. [2024-11-23 23:07:00,273 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 124 transitions, 320 flow [2024-11-23 23:07:00,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:07:00,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:07:00,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 362 transitions. [2024-11-23 23:07:00,275 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8807785888077859 [2024-11-23 23:07:00,275 INFO L175 Difference]: Start difference. First operand has 123 places, 118 transitions, 258 flow. Second operand 3 states and 362 transitions. [2024-11-23 23:07:00,275 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 124 transitions, 320 flow [2024-11-23 23:07:00,277 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 124 transitions, 316 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 23:07:00,283 INFO L231 Difference]: Finished difference. Result has 125 places, 121 transitions, 286 flow [2024-11-23 23:07:00,283 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=137, PETRI_DIFFERENCE_MINUEND_FLOW=254, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=118, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=114, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=286, PETRI_PLACES=125, PETRI_TRANSITIONS=121} [2024-11-23 23:07:00,285 INFO L279 CegarLoopForPetriNet]: 130 programPoint places, -5 predicate places. [2024-11-23 23:07:00,285 INFO L471 AbstractCegarLoop]: Abstraction has has 125 places, 121 transitions, 286 flow [2024-11-23 23:07:00,286 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 115.33333333333333) internal successors, (346), 3 states have internal predecessors, (346), 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) [2024-11-23 23:07:00,286 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:07:00,286 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] [2024-11-23 23:07:00,286 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-23 23:07:00,286 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting de_allocatorErr1ASSERT_VIOLATIONDATA_RACE === [allocatorErr0ASSERT_VIOLATIONDATA_RACE, allocatorErr3ASSERT_VIOLATIONDATA_RACE, allocatorErr1ASSERT_VIOLATIONDATA_RACE, allocatorErr4ASSERT_VIOLATIONDATA_RACE (and 16 more)] === [2024-11-23 23:07:00,287 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:07:00,287 INFO L85 PathProgramCache]: Analyzing trace with hash -1775715117, now seen corresponding path program 1 times [2024-11-23 23:07:00,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:07:00,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578561913] [2024-11-23 23:07:00,287 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:07:00,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:07:00,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:07:00,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:07:00,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:07:00,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578561913] [2024-11-23 23:07:00,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578561913] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:07:00,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:07:00,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:07:00,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200523248] [2024-11-23 23:07:00,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:07:00,432 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:07:00,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:07:00,433 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:07:00,433 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:07:00,480 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 137 [2024-11-23 23:07:00,481 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 121 transitions, 286 flow. Second operand has 3 states, 3 states have (on average 114.0) internal successors, (342), 3 states have internal predecessors, (342), 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) [2024-11-23 23:07:00,481 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:07:00,482 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 137 [2024-11-23 23:07:00,482 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:07:00,687 INFO L124 PetriNetUnfolderBase]: 138/781 cut-off events. [2024-11-23 23:07:00,688 INFO L125 PetriNetUnfolderBase]: For 45/45 co-relation queries the response was YES. [2024-11-23 23:07:00,690 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1155 conditions, 781 events. 138/781 cut-off events. For 45/45 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 4835 event pairs, 65 based on Foata normal form. 0/653 useless extension candidates. Maximal degree in co-relation 1022. Up to 231 conditions per place. [2024-11-23 23:07:00,693 INFO L140 encePairwiseOnDemand]: 131/137 looper letters, 21 selfloop transitions, 5 changer transitions 0/130 dead transitions. [2024-11-23 23:07:00,694 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 127 places, 130 transitions, 357 flow [2024-11-23 23:07:00,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:07:00,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:07:00,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 363 transitions. [2024-11-23 23:07:00,696 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8832116788321168 [2024-11-23 23:07:00,696 INFO L175 Difference]: Start difference. First operand has 125 places, 121 transitions, 286 flow. Second operand 3 states and 363 transitions. [2024-11-23 23:07:00,696 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 127 places, 130 transitions, 357 flow [2024-11-23 23:07:00,699 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 130 transitions, 349 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 23:07:00,701 INFO L231 Difference]: Finished difference. Result has 127 places, 125 transitions, 316 flow [2024-11-23 23:07:00,701 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=137, PETRI_DIFFERENCE_MINUEND_FLOW=278, PETRI_DIFFERENCE_MINUEND_PLACES=123, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=121, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=316, PETRI_PLACES=127, PETRI_TRANSITIONS=125} [2024-11-23 23:07:00,702 INFO L279 CegarLoopForPetriNet]: 130 programPoint places, -3 predicate places. [2024-11-23 23:07:00,702 INFO L471 AbstractCegarLoop]: Abstraction has has 127 places, 125 transitions, 316 flow [2024-11-23 23:07:00,703 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 114.0) internal successors, (342), 3 states have internal predecessors, (342), 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) [2024-11-23 23:07:00,703 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:07:00,703 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, 1] [2024-11-23 23:07:00,703 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-23 23:07:00,703 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting de_allocatorErr2ASSERT_VIOLATIONDATA_RACE === [allocatorErr0ASSERT_VIOLATIONDATA_RACE, allocatorErr3ASSERT_VIOLATIONDATA_RACE, allocatorErr1ASSERT_VIOLATIONDATA_RACE, allocatorErr4ASSERT_VIOLATIONDATA_RACE (and 16 more)] === [2024-11-23 23:07:00,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:07:00,704 INFO L85 PathProgramCache]: Analyzing trace with hash 783549393, now seen corresponding path program 1 times [2024-11-23 23:07:00,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:07:00,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837826983] [2024-11-23 23:07:00,704 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:07:00,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:07:00,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:07:00,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:07:00,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:07:00,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837826983] [2024-11-23 23:07:00,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837826983] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:07:00,769 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:07:00,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:07:00,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361477192] [2024-11-23 23:07:00,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:07:00,770 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:07:00,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:07:00,771 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:07:00,771 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:07:00,798 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 137 [2024-11-23 23:07:00,799 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 125 transitions, 316 flow. Second operand has 3 states, 3 states have (on average 114.0) internal successors, (342), 3 states have internal predecessors, (342), 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) [2024-11-23 23:07:00,799 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:07:00,799 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 137 [2024-11-23 23:07:00,799 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:07:01,003 INFO L124 PetriNetUnfolderBase]: 134/884 cut-off events. [2024-11-23 23:07:01,003 INFO L125 PetriNetUnfolderBase]: For 154/166 co-relation queries the response was YES. [2024-11-23 23:07:01,005 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1431 conditions, 884 events. 134/884 cut-off events. For 154/166 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 6037 event pairs, 28 based on Foata normal form. 2/789 useless extension candidates. Maximal degree in co-relation 1293. Up to 206 conditions per place. [2024-11-23 23:07:01,009 INFO L140 encePairwiseOnDemand]: 129/137 looper letters, 22 selfloop transitions, 6 changer transitions 5/139 dead transitions. [2024-11-23 23:07:01,009 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 139 transitions, 421 flow [2024-11-23 23:07:01,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:07:01,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:07:01,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 369 transitions. [2024-11-23 23:07:01,011 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8978102189781022 [2024-11-23 23:07:01,011 INFO L175 Difference]: Start difference. First operand has 127 places, 125 transitions, 316 flow. Second operand 3 states and 369 transitions. [2024-11-23 23:07:01,011 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 139 transitions, 421 flow [2024-11-23 23:07:01,015 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 139 transitions, 409 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 23:07:01,020 INFO L231 Difference]: Finished difference. Result has 129 places, 128 transitions, 352 flow [2024-11-23 23:07:01,021 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=137, PETRI_DIFFERENCE_MINUEND_FLOW=306, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=125, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=119, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=352, PETRI_PLACES=129, PETRI_TRANSITIONS=128} [2024-11-23 23:07:01,022 INFO L279 CegarLoopForPetriNet]: 130 programPoint places, -1 predicate places. [2024-11-23 23:07:01,022 INFO L471 AbstractCegarLoop]: Abstraction has has 129 places, 128 transitions, 352 flow [2024-11-23 23:07:01,022 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 114.0) internal successors, (342), 3 states have internal predecessors, (342), 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) [2024-11-23 23:07:01,022 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:07:01,022 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, 1] [2024-11-23 23:07:01,023 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-23 23:07:01,023 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting allocatorErr2ASSERT_VIOLATIONDATA_RACE === [allocatorErr0ASSERT_VIOLATIONDATA_RACE, allocatorErr3ASSERT_VIOLATIONDATA_RACE, allocatorErr1ASSERT_VIOLATIONDATA_RACE, allocatorErr4ASSERT_VIOLATIONDATA_RACE (and 16 more)] === [2024-11-23 23:07:01,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:07:01,024 INFO L85 PathProgramCache]: Analyzing trace with hash -2498024, now seen corresponding path program 1 times [2024-11-23 23:07:01,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:07:01,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813995138] [2024-11-23 23:07:01,024 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:07:01,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:07:01,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:07:01,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:07:01,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:07:01,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813995138] [2024-11-23 23:07:01,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813995138] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:07:01,114 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:07:01,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:07:01,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030207194] [2024-11-23 23:07:01,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:07:01,115 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:07:01,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:07:01,117 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:07:01,117 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:07:01,144 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 137 [2024-11-23 23:07:01,145 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 128 transitions, 352 flow. Second operand has 3 states, 3 states have (on average 116.0) internal successors, (348), 3 states have internal predecessors, (348), 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) [2024-11-23 23:07:01,145 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:07:01,145 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 137 [2024-11-23 23:07:01,145 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:07:01,312 INFO L124 PetriNetUnfolderBase]: 107/770 cut-off events. [2024-11-23 23:07:01,312 INFO L125 PetriNetUnfolderBase]: For 155/165 co-relation queries the response was YES. [2024-11-23 23:07:01,314 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1289 conditions, 770 events. 107/770 cut-off events. For 155/165 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 5223 event pairs, 43 based on Foata normal form. 0/677 useless extension candidates. Maximal degree in co-relation 1136. Up to 151 conditions per place. [2024-11-23 23:07:01,316 INFO L140 encePairwiseOnDemand]: 134/137 looper letters, 16 selfloop transitions, 2 changer transitions 0/130 dead transitions. [2024-11-23 23:07:01,316 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 130 transitions, 394 flow [2024-11-23 23:07:01,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:07:01,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:07:01,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 358 transitions. [2024-11-23 23:07:01,319 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8710462287104623 [2024-11-23 23:07:01,320 INFO L175 Difference]: Start difference. First operand has 129 places, 128 transitions, 352 flow. Second operand 3 states and 358 transitions. [2024-11-23 23:07:01,320 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 130 transitions, 394 flow [2024-11-23 23:07:01,325 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 130 transitions, 382 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 23:07:01,327 INFO L231 Difference]: Finished difference. Result has 128 places, 127 transitions, 342 flow [2024-11-23 23:07:01,328 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=137, PETRI_DIFFERENCE_MINUEND_FLOW=338, PETRI_DIFFERENCE_MINUEND_PLACES=126, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=125, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=342, PETRI_PLACES=128, PETRI_TRANSITIONS=127} [2024-11-23 23:07:01,329 INFO L279 CegarLoopForPetriNet]: 130 programPoint places, -2 predicate places. [2024-11-23 23:07:01,331 INFO L471 AbstractCegarLoop]: Abstraction has has 128 places, 127 transitions, 342 flow [2024-11-23 23:07:01,331 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 116.0) internal successors, (348), 3 states have internal predecessors, (348), 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) [2024-11-23 23:07:01,331 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:07:01,331 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, 1, 1, 1, 1] [2024-11-23 23:07:01,331 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-23 23:07:01,332 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting de_allocatorErr0ASSERT_VIOLATIONDATA_RACE === [allocatorErr0ASSERT_VIOLATIONDATA_RACE, allocatorErr3ASSERT_VIOLATIONDATA_RACE, allocatorErr1ASSERT_VIOLATIONDATA_RACE, allocatorErr4ASSERT_VIOLATIONDATA_RACE (and 16 more)] === [2024-11-23 23:07:01,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:07:01,332 INFO L85 PathProgramCache]: Analyzing trace with hash -416142667, now seen corresponding path program 1 times [2024-11-23 23:07:01,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:07:01,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884848487] [2024-11-23 23:07:01,333 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:07:01,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:07:01,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:07:01,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:07:01,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:07:01,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884848487] [2024-11-23 23:07:01,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884848487] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:07:01,834 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:07:01,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 23:07:01,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254301462] [2024-11-23 23:07:01,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:07:01,835 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 23:07:01,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:07:01,836 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 23:07:01,838 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:07:01,955 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 137 [2024-11-23 23:07:01,956 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 127 transitions, 342 flow. Second operand has 6 states, 6 states have (on average 117.5) internal successors, (705), 6 states have internal predecessors, (705), 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) [2024-11-23 23:07:01,956 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:07:01,956 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 137 [2024-11-23 23:07:01,956 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:07:02,119 INFO L124 PetriNetUnfolderBase]: 30/424 cut-off events. [2024-11-23 23:07:02,119 INFO L125 PetriNetUnfolderBase]: For 41/41 co-relation queries the response was YES. [2024-11-23 23:07:02,120 INFO L83 FinitePrefix]: Finished finitePrefix Result has 649 conditions, 424 events. 30/424 cut-off events. For 41/41 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2057 event pairs, 10 based on Foata normal form. 2/392 useless extension candidates. Maximal degree in co-relation 517. Up to 38 conditions per place. [2024-11-23 23:07:02,121 INFO L140 encePairwiseOnDemand]: 131/137 looper letters, 9 selfloop transitions, 6 changer transitions 2/125 dead transitions. [2024-11-23 23:07:02,122 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 125 transitions, 361 flow [2024-11-23 23:07:02,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:07:02,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-23 23:07:02,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 599 transitions. [2024-11-23 23:07:02,126 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8744525547445255 [2024-11-23 23:07:02,127 INFO L175 Difference]: Start difference. First operand has 128 places, 127 transitions, 342 flow. Second operand 5 states and 599 transitions. [2024-11-23 23:07:02,127 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 125 transitions, 361 flow [2024-11-23 23:07:02,130 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 126 places, 125 transitions, 347 flow, removed 3 selfloop flow, removed 4 redundant places. [2024-11-23 23:07:02,133 INFO L231 Difference]: Finished difference. Result has 126 places, 121 transitions, 314 flow [2024-11-23 23:07:02,134 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=137, PETRI_DIFFERENCE_MINUEND_FLOW=302, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=121, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=115, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=314, PETRI_PLACES=126, PETRI_TRANSITIONS=121} [2024-11-23 23:07:02,135 INFO L279 CegarLoopForPetriNet]: 130 programPoint places, -4 predicate places. [2024-11-23 23:07:02,137 INFO L471 AbstractCegarLoop]: Abstraction has has 126 places, 121 transitions, 314 flow [2024-11-23 23:07:02,138 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 117.5) internal successors, (705), 6 states have internal predecessors, (705), 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) [2024-11-23 23:07:02,139 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:07:02,139 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, 1, 1, 1, 1, 1, 1] [2024-11-23 23:07:02,139 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-23 23:07:02,139 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting allocatorErr3ASSERT_VIOLATIONDATA_RACE === [allocatorErr0ASSERT_VIOLATIONDATA_RACE, allocatorErr3ASSERT_VIOLATIONDATA_RACE, allocatorErr1ASSERT_VIOLATIONDATA_RACE, allocatorErr4ASSERT_VIOLATIONDATA_RACE (and 16 more)] === [2024-11-23 23:07:02,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:07:02,140 INFO L85 PathProgramCache]: Analyzing trace with hash -425205315, now seen corresponding path program 1 times [2024-11-23 23:07:02,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:07:02,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545474684] [2024-11-23 23:07:02,140 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:07:02,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:07:02,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:07:02,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:07:02,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:07:02,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545474684] [2024-11-23 23:07:02,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [545474684] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:07:02,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:07:02,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:07:02,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626173341] [2024-11-23 23:07:02,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:07:02,233 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:07:02,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:07:02,233 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:07:02,234 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:07:02,276 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 137 [2024-11-23 23:07:02,276 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 121 transitions, 314 flow. Second operand has 3 states, 3 states have (on average 114.33333333333333) internal successors, (343), 3 states have internal predecessors, (343), 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) [2024-11-23 23:07:02,277 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:07:02,277 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 137 [2024-11-23 23:07:02,277 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:07:02,401 INFO L124 PetriNetUnfolderBase]: 71/529 cut-off events. [2024-11-23 23:07:02,401 INFO L125 PetriNetUnfolderBase]: For 142/168 co-relation queries the response was YES. [2024-11-23 23:07:02,402 INFO L83 FinitePrefix]: Finished finitePrefix Result has 938 conditions, 529 events. 71/529 cut-off events. For 142/168 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 2879 event pairs, 31 based on Foata normal form. 1/484 useless extension candidates. Maximal degree in co-relation 788. Up to 148 conditions per place. [2024-11-23 23:07:02,404 INFO L140 encePairwiseOnDemand]: 131/137 looper letters, 20 selfloop transitions, 7 changer transitions 3/128 dead transitions. [2024-11-23 23:07:02,404 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 128 transitions, 396 flow [2024-11-23 23:07:02,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:07:02,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:07:02,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 361 transitions. [2024-11-23 23:07:02,406 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.878345498783455 [2024-11-23 23:07:02,407 INFO L175 Difference]: Start difference. First operand has 126 places, 121 transitions, 314 flow. Second operand 3 states and 361 transitions. [2024-11-23 23:07:02,407 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 128 transitions, 396 flow [2024-11-23 23:07:02,409 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 128 transitions, 387 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-23 23:07:02,412 INFO L231 Difference]: Finished difference. Result has 127 places, 123 transitions, 351 flow [2024-11-23 23:07:02,412 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=137, PETRI_DIFFERENCE_MINUEND_FLOW=307, PETRI_DIFFERENCE_MINUEND_PLACES=123, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=121, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=114, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=351, PETRI_PLACES=127, PETRI_TRANSITIONS=123} [2024-11-23 23:07:02,413 INFO L279 CegarLoopForPetriNet]: 130 programPoint places, -3 predicate places. [2024-11-23 23:07:02,415 INFO L471 AbstractCegarLoop]: Abstraction has has 127 places, 123 transitions, 351 flow [2024-11-23 23:07:02,415 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 114.33333333333333) internal successors, (343), 3 states have internal predecessors, (343), 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) [2024-11-23 23:07:02,416 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:07:02,416 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:07:02,416 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-23 23:07:02,416 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting de_allocatorErr1ASSERT_VIOLATIONDATA_RACE === [allocatorErr0ASSERT_VIOLATIONDATA_RACE, allocatorErr3ASSERT_VIOLATIONDATA_RACE, allocatorErr1ASSERT_VIOLATIONDATA_RACE, allocatorErr4ASSERT_VIOLATIONDATA_RACE (and 16 more)] === [2024-11-23 23:07:02,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:07:02,417 INFO L85 PathProgramCache]: Analyzing trace with hash 1425253285, now seen corresponding path program 1 times [2024-11-23 23:07:02,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:07:02,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727264272] [2024-11-23 23:07:02,417 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:07:02,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:07:02,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:07:02,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:07:02,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:07:02,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727264272] [2024-11-23 23:07:02,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [727264272] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:07:02,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:07:02,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:07:02,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673086541] [2024-11-23 23:07:02,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:07:02,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:07:02,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:07:02,521 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:07:02,521 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:07:02,530 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 137 [2024-11-23 23:07:02,531 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 123 transitions, 351 flow. Second operand has 3 states, 3 states have (on average 120.0) internal successors, (360), 3 states have internal predecessors, (360), 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) [2024-11-23 23:07:02,531 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:07:02,531 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 137 [2024-11-23 23:07:02,531 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:07:02,585 INFO L124 PetriNetUnfolderBase]: 10/166 cut-off events. [2024-11-23 23:07:02,586 INFO L125 PetriNetUnfolderBase]: For 23/23 co-relation queries the response was YES. [2024-11-23 23:07:02,586 INFO L83 FinitePrefix]: Finished finitePrefix Result has 250 conditions, 166 events. 10/166 cut-off events. For 23/23 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 284 event pairs, 7 based on Foata normal form. 3/163 useless extension candidates. Maximal degree in co-relation 155. Up to 20 conditions per place. [2024-11-23 23:07:02,587 INFO L140 encePairwiseOnDemand]: 135/137 looper letters, 0 selfloop transitions, 0 changer transitions 99/99 dead transitions. [2024-11-23 23:07:02,587 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 99 transitions, 262 flow [2024-11-23 23:07:02,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:07:02,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:07:02,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 365 transitions. [2024-11-23 23:07:02,589 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8880778588807786 [2024-11-23 23:07:02,589 INFO L175 Difference]: Start difference. First operand has 127 places, 123 transitions, 351 flow. Second operand 3 states and 365 transitions. [2024-11-23 23:07:02,589 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 99 transitions, 262 flow [2024-11-23 23:07:02,591 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 99 transitions, 239 flow, removed 5 selfloop flow, removed 8 redundant places. [2024-11-23 23:07:02,591 INFO L231 Difference]: Finished difference. Result has 105 places, 0 transitions, 0 flow [2024-11-23 23:07:02,592 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=137, PETRI_DIFFERENCE_MINUEND_FLOW=206, PETRI_DIFFERENCE_MINUEND_PLACES=103, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=97, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=97, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=105, PETRI_TRANSITIONS=0} [2024-11-23 23:07:02,593 INFO L279 CegarLoopForPetriNet]: 130 programPoint places, -25 predicate places. [2024-11-23 23:07:02,594 INFO L471 AbstractCegarLoop]: Abstraction has has 105 places, 0 transitions, 0 flow [2024-11-23 23:07:02,595 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 120.0) internal successors, (360), 3 states have internal predecessors, (360), 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) [2024-11-23 23:07:02,597 INFO L782 garLoopResultBuilder]: Registering result SAFE for location allocatorErr0ASSERT_VIOLATIONDATA_RACE (19 of 20 remaining) [2024-11-23 23:07:02,601 INFO L782 garLoopResultBuilder]: Registering result SAFE for location allocatorErr3ASSERT_VIOLATIONDATA_RACE (18 of 20 remaining) [2024-11-23 23:07:02,601 INFO L782 garLoopResultBuilder]: Registering result SAFE for location allocatorErr1ASSERT_VIOLATIONDATA_RACE (17 of 20 remaining) [2024-11-23 23:07:02,601 INFO L782 garLoopResultBuilder]: Registering result SAFE for location allocatorErr4ASSERT_VIOLATIONDATA_RACE (16 of 20 remaining) [2024-11-23 23:07:02,601 INFO L782 garLoopResultBuilder]: Registering result SAFE for location allocatorErr2ASSERT_VIOLATIONDATA_RACE (15 of 20 remaining) [2024-11-23 23:07:02,602 INFO L782 garLoopResultBuilder]: Registering result SAFE for location de_allocatorErr0ASSERT_VIOLATIONDATA_RACE (14 of 20 remaining) [2024-11-23 23:07:02,602 INFO L782 garLoopResultBuilder]: Registering result SAFE for location de_allocatorErr1ASSERT_VIOLATIONDATA_RACE (13 of 20 remaining) [2024-11-23 23:07:02,602 INFO L782 garLoopResultBuilder]: Registering result SAFE for location de_allocatorErr2ASSERT_VIOLATIONDATA_RACE (12 of 20 remaining) [2024-11-23 23:07:02,602 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (11 of 20 remaining) [2024-11-23 23:07:02,602 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (10 of 20 remaining) [2024-11-23 23:07:02,602 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining) [2024-11-23 23:07:02,602 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining) [2024-11-23 23:07:02,602 INFO L782 garLoopResultBuilder]: Registering result SAFE for location allocatorErr0ASSERT_VIOLATIONDATA_RACE (7 of 20 remaining) [2024-11-23 23:07:02,602 INFO L782 garLoopResultBuilder]: Registering result SAFE for location allocatorErr3ASSERT_VIOLATIONDATA_RACE (6 of 20 remaining) [2024-11-23 23:07:02,603 INFO L782 garLoopResultBuilder]: Registering result SAFE for location allocatorErr1ASSERT_VIOLATIONDATA_RACE (5 of 20 remaining) [2024-11-23 23:07:02,603 INFO L782 garLoopResultBuilder]: Registering result SAFE for location allocatorErr4ASSERT_VIOLATIONDATA_RACE (4 of 20 remaining) [2024-11-23 23:07:02,603 INFO L782 garLoopResultBuilder]: Registering result SAFE for location allocatorErr2ASSERT_VIOLATIONDATA_RACE (3 of 20 remaining) [2024-11-23 23:07:02,603 INFO L782 garLoopResultBuilder]: Registering result SAFE for location de_allocatorErr0ASSERT_VIOLATIONDATA_RACE (2 of 20 remaining) [2024-11-23 23:07:02,603 INFO L782 garLoopResultBuilder]: Registering result SAFE for location de_allocatorErr1ASSERT_VIOLATIONDATA_RACE (1 of 20 remaining) [2024-11-23 23:07:02,603 INFO L782 garLoopResultBuilder]: Registering result SAFE for location de_allocatorErr2ASSERT_VIOLATIONDATA_RACE (0 of 20 remaining) [2024-11-23 23:07:02,603 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-23 23:07:02,604 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:07:02,613 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-23 23:07:02,613 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 23:07:02,621 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:07:02 BasicIcfg [2024-11-23 23:07:02,622 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 23:07:02,622 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 23:07:02,623 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 23:07:02,623 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 23:07:02,624 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:06:58" (3/4) ... [2024-11-23 23:07:02,626 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-23 23:07:02,630 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure allocator [2024-11-23 23:07:02,630 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure de_allocator [2024-11-23 23:07:02,635 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-23 23:07:02,635 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-23 23:07:02,635 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-23 23:07:02,635 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-23 23:07:02,734 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f58411d-0bc6-465d-84ba-07961ff25f79/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-23 23:07:02,737 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f58411d-0bc6-465d-84ba-07961ff25f79/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-23 23:07:02,737 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 23:07:02,740 INFO L158 Benchmark]: Toolchain (without parser) took 5962.75ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 91.9MB in the beginning and 65.4MB in the end (delta: 26.5MB). Peak memory consumption was 49.6MB. Max. memory is 16.1GB. [2024-11-23 23:07:02,740 INFO L158 Benchmark]: CDTParser took 0.83ms. Allocated memory is still 117.4MB. Free memory is still 73.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:07:02,741 INFO L158 Benchmark]: CACSL2BoogieTranslator took 593.81ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 71.6MB in the end (delta: 20.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-23 23:07:02,741 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.38ms. Allocated memory is still 117.4MB. Free memory was 71.6MB in the beginning and 69.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:07:02,741 INFO L158 Benchmark]: Boogie Preprocessor took 28.49ms. Allocated memory is still 117.4MB. Free memory was 69.8MB in the beginning and 68.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:07:02,742 INFO L158 Benchmark]: RCFGBuilder took 655.21ms. Allocated memory is still 117.4MB. Free memory was 68.7MB in the beginning and 52.4MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-23 23:07:02,744 INFO L158 Benchmark]: TraceAbstraction took 4481.24ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 51.8MB in the beginning and 71.1MB in the end (delta: -19.2MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. [2024-11-23 23:07:02,744 INFO L158 Benchmark]: Witness Printer took 116.69ms. Allocated memory is still 142.6MB. Free memory was 71.1MB in the beginning and 65.4MB in the end (delta: 5.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:07:02,750 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.83ms. Allocated memory is still 117.4MB. Free memory is still 73.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 593.81ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 71.6MB in the end (delta: 20.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.38ms. Allocated memory is still 117.4MB. Free memory was 71.6MB in the beginning and 69.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.49ms. Allocated memory is still 117.4MB. Free memory was 69.8MB in the beginning and 68.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 655.21ms. Allocated memory is still 117.4MB. Free memory was 68.7MB in the beginning and 52.4MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 4481.24ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 51.8MB in the beginning and 71.1MB in the end (delta: -19.2MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. * Witness Printer took 116.69ms. Allocated memory is still 142.6MB. Free memory was 71.1MB in the beginning and 65.4MB in the end (delta: 5.6MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 695]: 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: 697]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 702]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 699]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 708]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 709]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 710]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 717]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 717]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 203 locations, 20 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: 4.3s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 267 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 132 mSDsluCounter, 58 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 427 IncrementalHoareTripleChecker+Invalid, 449 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 57 mSDtfsCounter, 427 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=352occurred in iteration=6, InterpolantAutomatonStates: 32, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 565 NumberOfCodeBlocks, 565 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 555 ConstructedInterpolants, 0 QuantifiedInterpolants, 874 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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 10 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-23 23:07:02,780 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f58411d-0bc6-465d-84ba-07961ff25f79/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE