./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-atomic/dekker-unfair.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_1cc7a133-564d-4c6d-932c-563dd6c2b5cf/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cc7a133-564d-4c6d-932c-563dd6c2b5cf/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_1cc7a133-564d-4c6d-932c-563dd6c2b5cf/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cc7a133-564d-4c6d-932c-563dd6c2b5cf/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-atomic/dekker-unfair.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cc7a133-564d-4c6d-932c-563dd6c2b5cf/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_1cc7a133-564d-4c6d-932c-563dd6c2b5cf/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 5850bf916a69badaacd3ff4150d219aedc42421ae90c33080aafb727bc040d43 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 18:21:56,515 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 18:21:56,588 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cc7a133-564d-4c6d-932c-563dd6c2b5cf/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-23 18:21:56,598 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 18:21:56,598 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 18:21:56,638 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 18:21:56,639 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 18:21:56,639 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 18:21:56,639 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 18:21:56,639 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 18:21:56,640 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 18:21:56,640 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 18:21:56,640 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 18:21:56,640 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 18:21:56,640 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 18:21:56,640 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 18:21:56,640 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 18:21:56,641 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 18:21:56,641 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 18:21:56,641 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 18:21:56,641 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 18:21:56,641 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 18:21:56,641 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-23 18:21:56,641 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 18:21:56,643 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 18:21:56,643 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 18:21:56,643 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 18:21:56,643 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 18:21:56,643 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 18:21:56,643 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 18:21:56,644 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 18:21:56,644 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:21:56,644 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 18:21:56,645 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 18:21:56,645 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 18:21:56,645 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:21:56,645 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 18:21:56,645 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 18:21:56,645 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 18:21:56,645 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 18:21:56,645 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 18:21:56,645 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 18:21:56,645 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 18:21:56,645 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 18:21:56,646 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 18:21:56,646 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 18:21:56,646 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_1cc7a133-564d-4c6d-932c-563dd6c2b5cf/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 -> 5850bf916a69badaacd3ff4150d219aedc42421ae90c33080aafb727bc040d43 [2024-11-23 18:21:56,972 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 18:21:56,983 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 18:21:56,986 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 18:21:56,988 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 18:21:56,989 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 18:21:56,992 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cc7a133-564d-4c6d-932c-563dd6c2b5cf/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/pthread-atomic/dekker-unfair.i [2024-11-23 18:22:00,202 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cc7a133-564d-4c6d-932c-563dd6c2b5cf/bin/uautomizer-verify-LYvppIcaGC/data/a767f019c/71f74b4e40ea43128529a6c9425cf2ae/FLAG5e441b21b [2024-11-23 18:22:00,525 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 18:22:00,526 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cc7a133-564d-4c6d-932c-563dd6c2b5cf/sv-benchmarks/c/pthread-atomic/dekker-unfair.i [2024-11-23 18:22:00,552 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cc7a133-564d-4c6d-932c-563dd6c2b5cf/bin/uautomizer-verify-LYvppIcaGC/data/a767f019c/71f74b4e40ea43128529a6c9425cf2ae/FLAG5e441b21b [2024-11-23 18:22:00,575 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cc7a133-564d-4c6d-932c-563dd6c2b5cf/bin/uautomizer-verify-LYvppIcaGC/data/a767f019c/71f74b4e40ea43128529a6c9425cf2ae [2024-11-23 18:22:00,577 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 18:22:00,580 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 18:22:00,584 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 18:22:00,584 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 18:22:00,589 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 18:22:00,590 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:22:00" (1/1) ... [2024-11-23 18:22:00,591 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fb6b35c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:22:00, skipping insertion in model container [2024-11-23 18:22:00,592 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:22:00" (1/1) ... [2024-11-23 18:22:00,640 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 18:22:01,083 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 18:22:01,097 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 18:22:01,177 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 18:22:01,213 INFO L204 MainTranslator]: Completed translation [2024-11-23 18:22:01,214 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:22:01 WrapperNode [2024-11-23 18:22:01,214 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 18:22:01,215 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 18:22:01,215 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 18:22:01,216 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 18:22:01,223 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:22:01" (1/1) ... [2024-11-23 18:22:01,239 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:22:01" (1/1) ... [2024-11-23 18:22:01,271 INFO L138 Inliner]: procedures = 167, calls = 11, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 98 [2024-11-23 18:22:01,272 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 18:22:01,272 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 18:22:01,272 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 18:22:01,272 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 18:22:01,283 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:22:01" (1/1) ... [2024-11-23 18:22:01,284 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:22:01" (1/1) ... [2024-11-23 18:22:01,289 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:22:01" (1/1) ... [2024-11-23 18:22:01,289 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:22:01" (1/1) ... [2024-11-23 18:22:01,300 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:22:01" (1/1) ... [2024-11-23 18:22:01,301 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:22:01" (1/1) ... [2024-11-23 18:22:01,304 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:22:01" (1/1) ... [2024-11-23 18:22:01,308 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:22:01" (1/1) ... [2024-11-23 18:22:01,309 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:22:01" (1/1) ... [2024-11-23 18:22:01,311 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 18:22:01,312 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 18:22:01,312 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 18:22:01,312 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 18:22:01,313 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:22:01" (1/1) ... [2024-11-23 18:22:01,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:22:01,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cc7a133-564d-4c6d-932c-563dd6c2b5cf/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:22:01,361 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cc7a133-564d-4c6d-932c-563dd6c2b5cf/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 18:22:01,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cc7a133-564d-4c6d-932c-563dd6c2b5cf/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 18:22:01,398 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2024-11-23 18:22:01,399 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2024-11-23 18:22:01,399 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-11-23 18:22:01,399 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-11-23 18:22:01,399 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 18:22:01,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-23 18:22:01,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 18:22:01,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 18:22:01,401 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 18:22:01,554 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 18:22:01,557 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 18:22:01,751 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-23 18:22:01,751 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 18:22:01,761 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 18:22:01,761 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-23 18:22:01,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:22:01 BoogieIcfgContainer [2024-11-23 18:22:01,762 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 18:22:01,764 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 18:22:01,764 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 18:22:01,770 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 18:22:01,770 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 06:22:00" (1/3) ... [2024-11-23 18:22:01,771 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f508372 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:22:01, skipping insertion in model container [2024-11-23 18:22:01,771 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:22:01" (2/3) ... [2024-11-23 18:22:01,771 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f508372 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:22:01, skipping insertion in model container [2024-11-23 18:22:01,771 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:22:01" (3/3) ... [2024-11-23 18:22:01,773 INFO L128 eAbstractionObserver]: Analyzing ICFG dekker-unfair.i [2024-11-23 18:22:01,790 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 18:22:01,792 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG dekker-unfair.i that has 3 procedures, 92 locations, 1 initial locations, 4 loop locations, and 4 error locations. [2024-11-23 18:22:01,792 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-23 18:22:01,876 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-23 18:22:01,931 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 98 places, 106 transitions, 226 flow [2024-11-23 18:22:01,993 INFO L124 PetriNetUnfolderBase]: 15/104 cut-off events. [2024-11-23 18:22:01,995 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-23 18:22:02,001 INFO L83 FinitePrefix]: Finished finitePrefix Result has 113 conditions, 104 events. 15/104 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 146 event pairs, 0 based on Foata normal form. 0/85 useless extension candidates. Maximal degree in co-relation 74. Up to 3 conditions per place. [2024-11-23 18:22:02,002 INFO L82 GeneralOperation]: Start removeDead. Operand has 98 places, 106 transitions, 226 flow [2024-11-23 18:22:02,008 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 91 places, 99 transitions, 207 flow [2024-11-23 18:22:02,016 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 18:22:02,031 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;@4a457416, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 18:22:02,031 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-11-23 18:22:02,057 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-23 18:22:02,057 INFO L124 PetriNetUnfolderBase]: 6/47 cut-off events. [2024-11-23 18:22:02,057 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-23 18:22:02,057 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 18:22:02,058 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 18:22:02,063 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-23 18:22:02,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:22:02,068 INFO L85 PathProgramCache]: Analyzing trace with hash -39597246, now seen corresponding path program 1 times [2024-11-23 18:22:02,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:22:02,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831760205] [2024-11-23 18:22:02,076 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:22:02,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:22:02,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:22:02,380 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 18:22:02,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:22:02,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831760205] [2024-11-23 18:22:02,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [831760205] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:22:02,381 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:22:02,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 18:22:02,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540820911] [2024-11-23 18:22:02,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:22:02,392 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:22:02,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:22:02,425 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:22:02,425 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:22:02,483 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 106 [2024-11-23 18:22:02,488 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 99 transitions, 207 flow. Second operand has 3 states, 3 states have (on average 86.33333333333333) internal successors, (259), 3 states have internal predecessors, (259), 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 18:22:02,488 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 18:22:02,488 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 106 [2024-11-23 18:22:02,490 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 18:22:02,596 INFO L124 PetriNetUnfolderBase]: 26/186 cut-off events. [2024-11-23 18:22:02,596 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2024-11-23 18:22:02,598 INFO L83 FinitePrefix]: Finished finitePrefix Result has 260 conditions, 186 events. 26/186 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 717 event pairs, 11 based on Foata normal form. 48/205 useless extension candidates. Maximal degree in co-relation 215. Up to 42 conditions per place. [2024-11-23 18:22:02,601 INFO L140 encePairwiseOnDemand]: 91/106 looper letters, 11 selfloop transitions, 5 changer transitions 1/93 dead transitions. [2024-11-23 18:22:02,601 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 93 transitions, 230 flow [2024-11-23 18:22:02,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:22:02,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 18:22:02,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 285 transitions. [2024-11-23 18:22:02,620 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8962264150943396 [2024-11-23 18:22:02,621 INFO L175 Difference]: Start difference. First operand has 91 places, 99 transitions, 207 flow. Second operand 3 states and 285 transitions. [2024-11-23 18:22:02,622 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 93 transitions, 230 flow [2024-11-23 18:22:02,630 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 93 transitions, 224 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-23 18:22:02,635 INFO L231 Difference]: Finished difference. Result has 90 places, 91 transitions, 216 flow [2024-11-23 18:22:02,639 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=106, PETRI_DIFFERENCE_MINUEND_FLOW=180, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=216, PETRI_PLACES=90, PETRI_TRANSITIONS=91} [2024-11-23 18:22:02,645 INFO L279 CegarLoopForPetriNet]: 91 programPoint places, -1 predicate places. [2024-11-23 18:22:02,645 INFO L471 AbstractCegarLoop]: Abstraction has has 90 places, 91 transitions, 216 flow [2024-11-23 18:22:02,645 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 86.33333333333333) internal successors, (259), 3 states have internal predecessors, (259), 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 18:22:02,645 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 18:22:02,645 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] [2024-11-23 18:22:02,646 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-23 18:22:02,646 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err1ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-23 18:22:02,650 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:22:02,650 INFO L85 PathProgramCache]: Analyzing trace with hash 1474803363, now seen corresponding path program 1 times [2024-11-23 18:22:02,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:22:02,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707834331] [2024-11-23 18:22:02,651 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:22:02,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:22:02,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:22:02,781 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 18:22:02,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:22:02,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707834331] [2024-11-23 18:22:02,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [707834331] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:22:02,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:22:02,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 18:22:02,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789128339] [2024-11-23 18:22:02,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:22:02,783 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:22:02,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:22:02,784 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:22:02,784 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:22:02,818 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 106 [2024-11-23 18:22:02,818 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 91 transitions, 216 flow. Second operand has 3 states, 3 states have (on average 86.33333333333333) internal successors, (259), 3 states have internal predecessors, (259), 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 18:22:02,820 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 18:22:02,820 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 106 [2024-11-23 18:22:02,820 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 18:22:02,941 INFO L124 PetriNetUnfolderBase]: 34/280 cut-off events. [2024-11-23 18:22:02,942 INFO L125 PetriNetUnfolderBase]: For 42/44 co-relation queries the response was YES. [2024-11-23 18:22:02,943 INFO L83 FinitePrefix]: Finished finitePrefix Result has 414 conditions, 280 events. 34/280 cut-off events. For 42/44 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1296 event pairs, 6 based on Foata normal form. 1/242 useless extension candidates. Maximal degree in co-relation 201. Up to 46 conditions per place. [2024-11-23 18:22:02,944 INFO L140 encePairwiseOnDemand]: 98/106 looper letters, 12 selfloop transitions, 6 changer transitions 3/99 dead transitions. [2024-11-23 18:22:02,944 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 99 transitions, 285 flow [2024-11-23 18:22:02,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:22:02,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 18:22:02,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 276 transitions. [2024-11-23 18:22:02,950 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8679245283018868 [2024-11-23 18:22:02,950 INFO L175 Difference]: Start difference. First operand has 90 places, 91 transitions, 216 flow. Second operand 3 states and 276 transitions. [2024-11-23 18:22:02,950 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 99 transitions, 285 flow [2024-11-23 18:22:02,952 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 99 transitions, 273 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 18:22:02,956 INFO L231 Difference]: Finished difference. Result has 91 places, 94 transitions, 252 flow [2024-11-23 18:22:02,956 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=106, PETRI_DIFFERENCE_MINUEND_FLOW=206, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=252, PETRI_PLACES=91, PETRI_TRANSITIONS=94} [2024-11-23 18:22:02,957 INFO L279 CegarLoopForPetriNet]: 91 programPoint places, 0 predicate places. [2024-11-23 18:22:02,957 INFO L471 AbstractCegarLoop]: Abstraction has has 91 places, 94 transitions, 252 flow [2024-11-23 18:22:02,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 86.33333333333333) internal successors, (259), 3 states have internal predecessors, (259), 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 18:22:02,958 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 18:22:02,958 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] [2024-11-23 18:22:02,958 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 18:22:02,959 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thr2Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-23 18:22:02,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:22:02,960 INFO L85 PathProgramCache]: Analyzing trace with hash 1091060640, now seen corresponding path program 1 times [2024-11-23 18:22:02,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:22:02,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358379288] [2024-11-23 18:22:02,961 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:22:02,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:22:02,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:22:03,050 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 18:22:03,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:22:03,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358379288] [2024-11-23 18:22:03,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [358379288] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:22:03,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:22:03,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 18:22:03,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938798518] [2024-11-23 18:22:03,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:22:03,051 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:22:03,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:22:03,052 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:22:03,052 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:22:03,084 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 106 [2024-11-23 18:22:03,085 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 94 transitions, 252 flow. Second operand has 3 states, 3 states have (on average 86.66666666666667) internal successors, (260), 3 states have internal predecessors, (260), 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 18:22:03,085 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 18:22:03,085 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 106 [2024-11-23 18:22:03,085 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 18:22:03,170 INFO L124 PetriNetUnfolderBase]: 49/318 cut-off events. [2024-11-23 18:22:03,170 INFO L125 PetriNetUnfolderBase]: For 121/121 co-relation queries the response was YES. [2024-11-23 18:22:03,171 INFO L83 FinitePrefix]: Finished finitePrefix Result has 553 conditions, 318 events. 49/318 cut-off events. For 121/121 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1720 event pairs, 12 based on Foata normal form. 0/279 useless extension candidates. Maximal degree in co-relation 188. Up to 68 conditions per place. [2024-11-23 18:22:03,173 INFO L140 encePairwiseOnDemand]: 100/106 looper letters, 12 selfloop transitions, 7 changer transitions 2/99 dead transitions. [2024-11-23 18:22:03,173 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 99 transitions, 311 flow [2024-11-23 18:22:03,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:22:03,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 18:22:03,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 272 transitions. [2024-11-23 18:22:03,178 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8553459119496856 [2024-11-23 18:22:03,178 INFO L175 Difference]: Start difference. First operand has 91 places, 94 transitions, 252 flow. Second operand 3 states and 272 transitions. [2024-11-23 18:22:03,178 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 99 transitions, 311 flow [2024-11-23 18:22:03,183 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 99 transitions, 297 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 18:22:03,185 INFO L231 Difference]: Finished difference. Result has 93 places, 97 transitions, 288 flow [2024-11-23 18:22:03,187 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=106, PETRI_DIFFERENCE_MINUEND_FLOW=240, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=288, PETRI_PLACES=93, PETRI_TRANSITIONS=97} [2024-11-23 18:22:03,188 INFO L279 CegarLoopForPetriNet]: 91 programPoint places, 2 predicate places. [2024-11-23 18:22:03,188 INFO L471 AbstractCegarLoop]: Abstraction has has 93 places, 97 transitions, 288 flow [2024-11-23 18:22:03,188 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 86.66666666666667) internal successors, (260), 3 states have internal predecessors, (260), 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 18:22:03,189 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 18:22:03,189 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] [2024-11-23 18:22:03,189 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-23 18:22:03,189 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-23 18:22:03,190 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:22:03,190 INFO L85 PathProgramCache]: Analyzing trace with hash -349980294, now seen corresponding path program 1 times [2024-11-23 18:22:03,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:22:03,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906925914] [2024-11-23 18:22:03,190 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:22:03,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:22:03,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:22:03,378 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 18:22:03,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:22:03,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906925914] [2024-11-23 18:22:03,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [906925914] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:22:03,378 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:22:03,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 18:22:03,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397045876] [2024-11-23 18:22:03,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:22:03,379 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:22:03,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:22:03,379 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:22:03,379 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:22:03,405 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 87 out of 106 [2024-11-23 18:22:03,405 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 97 transitions, 288 flow. Second operand has 3 states, 3 states have (on average 88.66666666666667) internal successors, (266), 3 states have internal predecessors, (266), 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 18:22:03,405 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 18:22:03,406 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 106 [2024-11-23 18:22:03,406 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 18:22:03,475 INFO L124 PetriNetUnfolderBase]: 39/302 cut-off events. [2024-11-23 18:22:03,475 INFO L125 PetriNetUnfolderBase]: For 83/90 co-relation queries the response was YES. [2024-11-23 18:22:03,478 INFO L83 FinitePrefix]: Finished finitePrefix Result has 518 conditions, 302 events. 39/302 cut-off events. For 83/90 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1509 event pairs, 8 based on Foata normal form. 1/270 useless extension candidates. Maximal degree in co-relation 428. Up to 40 conditions per place. [2024-11-23 18:22:03,479 INFO L140 encePairwiseOnDemand]: 101/106 looper letters, 6 selfloop transitions, 4 changer transitions 0/98 dead transitions. [2024-11-23 18:22:03,479 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 98 transitions, 312 flow [2024-11-23 18:22:03,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:22:03,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 18:22:03,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 272 transitions. [2024-11-23 18:22:03,482 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8553459119496856 [2024-11-23 18:22:03,483 INFO L175 Difference]: Start difference. First operand has 93 places, 97 transitions, 288 flow. Second operand 3 states and 272 transitions. [2024-11-23 18:22:03,483 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 98 transitions, 312 flow [2024-11-23 18:22:03,487 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 98 transitions, 298 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 18:22:03,489 INFO L231 Difference]: Finished difference. Result has 94 places, 97 transitions, 288 flow [2024-11-23 18:22:03,489 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=106, PETRI_DIFFERENCE_MINUEND_FLOW=274, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=97, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=288, PETRI_PLACES=94, PETRI_TRANSITIONS=97} [2024-11-23 18:22:03,490 INFO L279 CegarLoopForPetriNet]: 91 programPoint places, 3 predicate places. [2024-11-23 18:22:03,491 INFO L471 AbstractCegarLoop]: Abstraction has has 94 places, 97 transitions, 288 flow [2024-11-23 18:22:03,492 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 88.66666666666667) internal successors, (266), 3 states have internal predecessors, (266), 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 18:22:03,492 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 18:22:03,492 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] [2024-11-23 18:22:03,492 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-23 18:22:03,495 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-23 18:22:03,495 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:22:03,496 INFO L85 PathProgramCache]: Analyzing trace with hash -2054886360, now seen corresponding path program 2 times [2024-11-23 18:22:03,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:22:03,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31174958] [2024-11-23 18:22:03,496 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 18:22:03,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:22:03,517 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-23 18:22:03,517 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 18:22:03,562 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 18:22:03,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:22:03,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31174958] [2024-11-23 18:22:03,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31174958] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:22:03,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:22:03,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 18:22:03,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273132896] [2024-11-23 18:22:03,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:22:03,563 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:22:03,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:22:03,564 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:22:03,564 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:22:03,578 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 87 out of 106 [2024-11-23 18:22:03,578 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 97 transitions, 288 flow. Second operand has 3 states, 3 states have (on average 88.66666666666667) internal successors, (266), 3 states have internal predecessors, (266), 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 18:22:03,578 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 18:22:03,578 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 106 [2024-11-23 18:22:03,578 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 18:22:03,616 INFO L124 PetriNetUnfolderBase]: 20/186 cut-off events. [2024-11-23 18:22:03,617 INFO L125 PetriNetUnfolderBase]: For 34/34 co-relation queries the response was YES. [2024-11-23 18:22:03,617 INFO L83 FinitePrefix]: Finished finitePrefix Result has 297 conditions, 186 events. 20/186 cut-off events. For 34/34 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 512 event pairs, 5 based on Foata normal form. 2/171 useless extension candidates. Maximal degree in co-relation 223. Up to 18 conditions per place. [2024-11-23 18:22:03,618 INFO L140 encePairwiseOnDemand]: 101/106 looper letters, 0 selfloop transitions, 0 changer transitions 86/86 dead transitions. [2024-11-23 18:22:03,618 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 86 transitions, 253 flow [2024-11-23 18:22:03,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:22:03,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 18:22:03,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 272 transitions. [2024-11-23 18:22:03,622 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8553459119496856 [2024-11-23 18:22:03,622 INFO L175 Difference]: Start difference. First operand has 94 places, 97 transitions, 288 flow. Second operand 3 states and 272 transitions. [2024-11-23 18:22:03,622 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 86 transitions, 253 flow [2024-11-23 18:22:03,626 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 86 transitions, 215 flow, removed 9 selfloop flow, removed 6 redundant places. [2024-11-23 18:22:03,627 INFO L231 Difference]: Finished difference. Result has 86 places, 0 transitions, 0 flow [2024-11-23 18:22:03,627 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=106, PETRI_DIFFERENCE_MINUEND_FLOW=192, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=86, PETRI_TRANSITIONS=0} [2024-11-23 18:22:03,628 INFO L279 CegarLoopForPetriNet]: 91 programPoint places, -5 predicate places. [2024-11-23 18:22:03,629 INFO L471 AbstractCegarLoop]: Abstraction has has 86 places, 0 transitions, 0 flow [2024-11-23 18:22:03,630 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 88.66666666666667) internal successors, (266), 3 states have internal predecessors, (266), 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 18:22:03,633 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONDATA_RACE (9 of 10 remaining) [2024-11-23 18:22:03,633 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err1ASSERT_VIOLATIONDATA_RACE (8 of 10 remaining) [2024-11-23 18:22:03,634 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONDATA_RACE (7 of 10 remaining) [2024-11-23 18:22:03,634 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err1ASSERT_VIOLATIONDATA_RACE (6 of 10 remaining) [2024-11-23 18:22:03,634 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 10 remaining) [2024-11-23 18:22:03,634 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 10 remaining) [2024-11-23 18:22:03,635 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONDATA_RACE (3 of 10 remaining) [2024-11-23 18:22:03,635 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err1ASSERT_VIOLATIONDATA_RACE (2 of 10 remaining) [2024-11-23 18:22:03,635 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONDATA_RACE (1 of 10 remaining) [2024-11-23 18:22:03,635 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err1ASSERT_VIOLATIONDATA_RACE (0 of 10 remaining) [2024-11-23 18:22:03,635 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-23 18:22:03,635 INFO L422 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1] [2024-11-23 18:22:03,644 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-23 18:22:03,644 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 18:22:03,649 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 06:22:03 BasicIcfg [2024-11-23 18:22:03,650 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 18:22:03,650 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 18:22:03,651 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 18:22:03,651 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 18:22:03,652 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:22:01" (3/4) ... [2024-11-23 18:22:03,653 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-23 18:22:03,657 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr2 [2024-11-23 18:22:03,657 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr1 [2024-11-23 18:22:03,660 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-23 18:22:03,661 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-23 18:22:03,661 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-23 18:22:03,661 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-23 18:22:03,727 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cc7a133-564d-4c6d-932c-563dd6c2b5cf/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-23 18:22:03,728 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cc7a133-564d-4c6d-932c-563dd6c2b5cf/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-23 18:22:03,728 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 18:22:03,729 INFO L158 Benchmark]: Toolchain (without parser) took 3149.44ms. Allocated memory is still 117.4MB. Free memory was 91.2MB in the beginning and 52.9MB in the end (delta: 38.3MB). Peak memory consumption was 40.6MB. Max. memory is 16.1GB. [2024-11-23 18:22:03,729 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 117.4MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 18:22:03,729 INFO L158 Benchmark]: CACSL2BoogieTranslator took 630.77ms. Allocated memory is still 117.4MB. Free memory was 91.0MB in the beginning and 71.0MB in the end (delta: 19.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-23 18:22:03,730 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.64ms. Allocated memory is still 117.4MB. Free memory was 70.8MB in the beginning and 69.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 18:22:03,730 INFO L158 Benchmark]: Boogie Preprocessor took 38.89ms. Allocated memory is still 117.4MB. Free memory was 69.2MB in the beginning and 68.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 18:22:03,730 INFO L158 Benchmark]: RCFGBuilder took 449.90ms. Allocated memory is still 117.4MB. Free memory was 68.0MB in the beginning and 55.2MB in the end (delta: 12.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 18:22:03,730 INFO L158 Benchmark]: TraceAbstraction took 1885.72ms. Allocated memory is still 117.4MB. Free memory was 54.6MB in the beginning and 56.7MB in the end (delta: -2.2MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. [2024-11-23 18:22:03,731 INFO L158 Benchmark]: Witness Printer took 77.46ms. Allocated memory is still 117.4MB. Free memory was 56.7MB in the beginning and 52.9MB in the end (delta: 3.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 18:22:03,732 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47ms. Allocated memory is still 117.4MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 630.77ms. Allocated memory is still 117.4MB. Free memory was 91.0MB in the beginning and 71.0MB in the end (delta: 19.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.64ms. Allocated memory is still 117.4MB. Free memory was 70.8MB in the beginning and 69.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 38.89ms. Allocated memory is still 117.4MB. Free memory was 69.2MB in the beginning and 68.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 449.90ms. Allocated memory is still 117.4MB. Free memory was 68.0MB in the beginning and 55.2MB in the end (delta: 12.9MB). There was no memory consumed. Max. memory is 16.1GB. * TraceAbstraction took 1885.72ms. Allocated memory is still 117.4MB. Free memory was 54.6MB in the beginning and 56.7MB in the end (delta: -2.2MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. * Witness Printer took 77.46ms. Allocated memory is still 117.4MB. Free memory was 56.7MB in the beginning and 52.9MB in the end (delta: 3.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 773]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 774]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 758]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 759]: 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, 146 locations, 10 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: 1.7s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 96 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 24 mSDsluCounter, 38 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 117 IncrementalHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 38 mSDtfsCounter, 117 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=288occurred in iteration=3, InterpolantAutomatonStates: 15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 188 NumberOfCodeBlocks, 188 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 183 ConstructedInterpolants, 0 QuantifiedInterpolants, 221 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-23 18:22:03,752 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cc7a133-564d-4c6d-932c-563dd6c2b5cf/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