./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-theta/unwind2-nondet.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64127fd4-43de-45de-a6a0-f72ae68efcba/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64127fd4-43de-45de-a6a0-f72ae68efcba/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64127fd4-43de-45de-a6a0-f72ae68efcba/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64127fd4-43de-45de-a6a0-f72ae68efcba/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-theta/unwind2-nondet.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64127fd4-43de-45de-a6a0-f72ae68efcba/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64127fd4-43de-45de-a6a0-f72ae68efcba/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 797a9e1bf9dc9387a2e0877719131f75c1f5b0797aa4bcc7c94038568bc56c2d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:22:06,705 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:22:06,764 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64127fd4-43de-45de-a6a0-f72ae68efcba/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-28 02:22:06,769 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:22:06,769 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:22:06,798 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:22:06,799 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:22:06,799 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:22:06,799 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:22:06,800 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:22:06,800 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:22:06,800 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:22:06,800 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:22:06,800 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:22:06,800 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:22:06,801 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:22:06,801 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:22:06,801 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:22:06,801 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:22:06,801 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:22:06,801 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:22:06,801 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:22:06,801 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-28 02:22:06,801 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 02:22:06,802 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:22:06,802 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:22:06,802 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:22:06,802 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:22:06,802 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:22:06,802 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:22:06,802 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:22:06,802 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:22:06,802 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:22:06,802 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:22:06,803 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:22:06,803 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:22:06,803 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:22:06,803 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:22:06,803 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:22:06,803 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:22:06,803 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 02:22:06,803 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 02:22:06,803 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:22:06,804 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:22:06,804 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:22:06,804 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:22:06,804 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_64127fd4-43de-45de-a6a0-f72ae68efcba/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 797a9e1bf9dc9387a2e0877719131f75c1f5b0797aa4bcc7c94038568bc56c2d [2024-11-28 02:22:07,087 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:22:07,097 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:22:07,099 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:22:07,101 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:22:07,101 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:22:07,102 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64127fd4-43de-45de-a6a0-f72ae68efcba/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/pthread-theta/unwind2-nondet.i [2024-11-28 02:22:09,979 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64127fd4-43de-45de-a6a0-f72ae68efcba/bin/uautomizer-verify-aQ6SnzHsRB/data/e6b537416/48726e1ca92f433ea5917b738e67b177/FLAG28ffbf35a [2024-11-28 02:22:10,427 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:22:10,429 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64127fd4-43de-45de-a6a0-f72ae68efcba/sv-benchmarks/c/pthread-theta/unwind2-nondet.i [2024-11-28 02:22:10,452 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64127fd4-43de-45de-a6a0-f72ae68efcba/bin/uautomizer-verify-aQ6SnzHsRB/data/e6b537416/48726e1ca92f433ea5917b738e67b177/FLAG28ffbf35a [2024-11-28 02:22:10,576 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64127fd4-43de-45de-a6a0-f72ae68efcba/bin/uautomizer-verify-aQ6SnzHsRB/data/e6b537416/48726e1ca92f433ea5917b738e67b177 [2024-11-28 02:22:10,579 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:22:10,582 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:22:10,583 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:22:10,583 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:22:10,592 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:22:10,593 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:22:10" (1/1) ... [2024-11-28 02:22:10,596 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cb23770 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:22:10, skipping insertion in model container [2024-11-28 02:22:10,597 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:22:10" (1/1) ... [2024-11-28 02:22:10,651 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:22:11,112 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:22:11,124 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:22:11,211 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:22:11,253 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:22:11,253 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:22:11 WrapperNode [2024-11-28 02:22:11,254 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:22:11,255 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:22:11,255 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:22:11,255 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:22:11,262 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:22:11" (1/1) ... [2024-11-28 02:22:11,273 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:22:11" (1/1) ... [2024-11-28 02:22:11,299 INFO L138 Inliner]: procedures = 169, calls = 12, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 102 [2024-11-28 02:22:11,300 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:22:11,301 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:22:11,303 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:22:11,303 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:22:11,309 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:22:11" (1/1) ... [2024-11-28 02:22:11,309 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:22:11" (1/1) ... [2024-11-28 02:22:11,311 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:22:11" (1/1) ... [2024-11-28 02:22:11,312 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:22:11" (1/1) ... [2024-11-28 02:22:11,317 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:22:11" (1/1) ... [2024-11-28 02:22:11,318 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:22:11" (1/1) ... [2024-11-28 02:22:11,321 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:22:11" (1/1) ... [2024-11-28 02:22:11,322 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:22:11" (1/1) ... [2024-11-28 02:22:11,323 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:22:11" (1/1) ... [2024-11-28 02:22:11,326 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:22:11,327 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:22:11,327 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:22:11,327 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:22:11,328 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:22:11" (1/1) ... [2024-11-28 02:22:11,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:22:11,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64127fd4-43de-45de-a6a0-f72ae68efcba/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:22:11,371 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64127fd4-43de-45de-a6a0-f72ae68efcba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:22:11,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64127fd4-43de-45de-a6a0-f72ae68efcba/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:22:11,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:22:11,397 INFO L130 BoogieDeclarations]: Found specification of procedure f1 [2024-11-28 02:22:11,397 INFO L138 BoogieDeclarations]: Found implementation of procedure f1 [2024-11-28 02:22:11,397 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2024-11-28 02:22:11,397 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2024-11-28 02:22:11,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-28 02:22:11,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:22:11,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:22:11,399 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-28 02:22:11,563 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:22:11,565 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:22:11,766 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 02:22:11,766 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:22:11,778 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:22:11,778 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 02:22:11,778 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:22:11 BoogieIcfgContainer [2024-11-28 02:22:11,779 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:22:11,781 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:22:11,781 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:22:11,787 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:22:11,787 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:22:10" (1/3) ... [2024-11-28 02:22:11,788 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ec526fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:22:11, skipping insertion in model container [2024-11-28 02:22:11,788 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:22:11" (2/3) ... [2024-11-28 02:22:11,788 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ec526fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:22:11, skipping insertion in model container [2024-11-28 02:22:11,788 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:22:11" (3/3) ... [2024-11-28 02:22:11,790 INFO L128 eAbstractionObserver]: Analyzing ICFG unwind2-nondet.i [2024-11-28 02:22:11,807 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:22:11,809 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG unwind2-nondet.i that has 3 procedures, 113 locations, 1 initial locations, 2 loop locations, and 5 error locations. [2024-11-28 02:22:11,810 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 02:22:11,906 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-28 02:22:11,948 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 119 places, 122 transitions, 258 flow [2024-11-28 02:22:12,009 INFO L124 PetriNetUnfolderBase]: 10/120 cut-off events. [2024-11-28 02:22:12,011 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-28 02:22:12,018 INFO L83 FinitePrefix]: Finished finitePrefix Result has 129 conditions, 120 events. 10/120 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 149 event pairs, 0 based on Foata normal form. 0/105 useless extension candidates. Maximal degree in co-relation 82. Up to 2 conditions per place. [2024-11-28 02:22:12,018 INFO L82 GeneralOperation]: Start removeDead. Operand has 119 places, 122 transitions, 258 flow [2024-11-28 02:22:12,022 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 112 places, 115 transitions, 239 flow [2024-11-28 02:22:12,032 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:22:12,045 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;@69d2432e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:22:12,045 INFO L334 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2024-11-28 02:22:12,052 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 02:22:12,052 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events. [2024-11-28 02:22:12,052 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 02:22:12,052 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:22:12,053 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:22:12,053 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-28 02:22:12,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:22:12,059 INFO L85 PathProgramCache]: Analyzing trace with hash -146115933, now seen corresponding path program 1 times [2024-11-28 02:22:12,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:22:12,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563352109] [2024-11-28 02:22:12,068 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:22:12,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:22:12,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:22:12,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:22:12,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:22:12,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563352109] [2024-11-28 02:22:12,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563352109] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:22:12,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:22:12,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:22:12,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672144576] [2024-11-28 02:22:12,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:22:12,265 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:22:12,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:22:12,293 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:22:12,293 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:22:12,339 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 98 out of 122 [2024-11-28 02:22:12,344 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 112 places, 115 transitions, 239 flow. Second operand has 3 states, 3 states have (on average 99.33333333333333) internal successors, (298), 3 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:22:12,345 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:22:12,345 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 98 of 122 [2024-11-28 02:22:12,346 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:22:12,461 INFO L124 PetriNetUnfolderBase]: 8/153 cut-off events. [2024-11-28 02:22:12,464 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2024-11-28 02:22:12,466 INFO L83 FinitePrefix]: Finished finitePrefix Result has 183 conditions, 153 events. 8/153 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 367 event pairs, 3 based on Foata normal form. 16/152 useless extension candidates. Maximal degree in co-relation 119. Up to 17 conditions per place. [2024-11-28 02:22:12,469 INFO L140 encePairwiseOnDemand]: 112/122 looper letters, 10 selfloop transitions, 2 changer transitions 1/103 dead transitions. [2024-11-28 02:22:12,470 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 103 transitions, 239 flow [2024-11-28 02:22:12,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:22:12,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:22:12,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 314 transitions. [2024-11-28 02:22:12,489 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8579234972677595 [2024-11-28 02:22:12,491 INFO L175 Difference]: Start difference. First operand has 112 places, 115 transitions, 239 flow. Second operand 3 states and 314 transitions. [2024-11-28 02:22:12,492 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 103 transitions, 239 flow [2024-11-28 02:22:12,500 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 103 transitions, 234 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-28 02:22:12,506 INFO L231 Difference]: Finished difference. Result has 106 places, 102 transitions, 212 flow [2024-11-28 02:22:12,510 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=210, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=103, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=101, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=212, PETRI_PLACES=106, PETRI_TRANSITIONS=102} [2024-11-28 02:22:12,516 INFO L279 CegarLoopForPetriNet]: 112 programPoint places, -6 predicate places. [2024-11-28 02:22:12,517 INFO L471 AbstractCegarLoop]: Abstraction has has 106 places, 102 transitions, 212 flow [2024-11-28 02:22:12,517 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 99.33333333333333) internal successors, (298), 3 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:22:12,517 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:22:12,520 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] [2024-11-28 02:22:12,520 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 02:22:12,520 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-28 02:22:12,521 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:22:12,521 INFO L85 PathProgramCache]: Analyzing trace with hash -1841202020, now seen corresponding path program 1 times [2024-11-28 02:22:12,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:22:12,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813995138] [2024-11-28 02:22:12,521 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:22:12,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:22:12,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:22:12,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:22:12,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:22:12,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813995138] [2024-11-28 02:22:12,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813995138] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:22:12,590 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:22:12,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:22:12,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030207194] [2024-11-28 02:22:12,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:22:12,592 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:22:12,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:22:12,592 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:22:12,593 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:22:12,634 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 122 [2024-11-28 02:22:12,635 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 102 transitions, 212 flow. Second operand has 3 states, 3 states have (on average 97.0) internal successors, (291), 3 states have internal predecessors, (291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:22:12,636 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:22:12,636 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 122 [2024-11-28 02:22:12,637 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:22:12,718 INFO L124 PetriNetUnfolderBase]: 16/214 cut-off events. [2024-11-28 02:22:12,718 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-28 02:22:12,719 INFO L83 FinitePrefix]: Finished finitePrefix Result has 254 conditions, 214 events. 16/214 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 654 event pairs, 8 based on Foata normal form. 0/196 useless extension candidates. Maximal degree in co-relation 230. Up to 27 conditions per place. [2024-11-28 02:22:12,721 INFO L140 encePairwiseOnDemand]: 117/122 looper letters, 0 selfloop transitions, 0 changer transitions 98/98 dead transitions. [2024-11-28 02:22:12,721 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 98 transitions, 228 flow [2024-11-28 02:22:12,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:22:12,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:22:12,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 304 transitions. [2024-11-28 02:22:12,723 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8306010928961749 [2024-11-28 02:22:12,723 INFO L175 Difference]: Start difference. First operand has 106 places, 102 transitions, 212 flow. Second operand 3 states and 304 transitions. [2024-11-28 02:22:12,724 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 98 transitions, 228 flow [2024-11-28 02:22:12,725 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 98 transitions, 224 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:22:12,726 INFO L231 Difference]: Finished difference. Result has 101 places, 0 transitions, 0 flow [2024-11-28 02:22:12,726 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=200, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=101, PETRI_TRANSITIONS=0} [2024-11-28 02:22:12,727 INFO L279 CegarLoopForPetriNet]: 112 programPoint places, -11 predicate places. [2024-11-28 02:22:12,727 INFO L471 AbstractCegarLoop]: Abstraction has has 101 places, 0 transitions, 0 flow [2024-11-28 02:22:12,727 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 97.0) internal successors, (291), 3 states have internal predecessors, (291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:22:12,730 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (8 of 9 remaining) [2024-11-28 02:22:12,730 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (7 of 9 remaining) [2024-11-28 02:22:12,730 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (6 of 9 remaining) [2024-11-28 02:22:12,730 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 9 remaining) [2024-11-28 02:22:12,731 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 9 remaining) [2024-11-28 02:22:12,731 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f1Err0ASSERT_VIOLATIONDATA_RACE (3 of 9 remaining) [2024-11-28 02:22:12,731 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f2Err0ASSERT_VIOLATIONDATA_RACE (2 of 9 remaining) [2024-11-28 02:22:12,731 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f1Err0ASSERT_VIOLATIONDATA_RACE (1 of 9 remaining) [2024-11-28 02:22:12,731 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f2Err0ASSERT_VIOLATIONDATA_RACE (0 of 9 remaining) [2024-11-28 02:22:12,731 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 02:22:12,734 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-28 02:22:12,743 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-28 02:22:12,743 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 02:22:12,751 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:22:12 BasicIcfg [2024-11-28 02:22:12,751 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 02:22:12,751 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 02:22:12,752 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 02:22:12,752 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 02:22:12,754 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:22:11" (3/4) ... [2024-11-28 02:22:12,755 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 02:22:12,759 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure f1 [2024-11-28 02:22:12,760 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure f2 [2024-11-28 02:22:12,766 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-28 02:22:12,766 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-28 02:22:12,766 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-28 02:22:12,766 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 02:22:12,840 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64127fd4-43de-45de-a6a0-f72ae68efcba/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 02:22:12,840 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64127fd4-43de-45de-a6a0-f72ae68efcba/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 02:22:12,840 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 02:22:12,842 INFO L158 Benchmark]: Toolchain (without parser) took 2260.08ms. Allocated memory is still 142.6MB. Free memory was 115.3MB in the beginning and 93.3MB in the end (delta: 22.0MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. [2024-11-28 02:22:12,843 INFO L158 Benchmark]: CDTParser took 0.50ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:22:12,843 INFO L158 Benchmark]: CACSL2BoogieTranslator took 671.03ms. Allocated memory is still 142.6MB. Free memory was 115.3MB in the beginning and 95.1MB in the end (delta: 20.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-28 02:22:12,844 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.41ms. Allocated memory is still 142.6MB. Free memory was 95.1MB in the beginning and 93.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:22:12,844 INFO L158 Benchmark]: Boogie Preprocessor took 25.36ms. Allocated memory is still 142.6MB. Free memory was 93.4MB in the beginning and 92.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:22:12,845 INFO L158 Benchmark]: RCFGBuilder took 452.06ms. Allocated memory is still 142.6MB. Free memory was 92.3MB in the beginning and 78.1MB in the end (delta: 14.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:22:12,845 INFO L158 Benchmark]: TraceAbstraction took 970.08ms. Allocated memory is still 142.6MB. Free memory was 77.6MB in the beginning and 97.6MB in the end (delta: -20.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:22:12,846 INFO L158 Benchmark]: Witness Printer took 88.77ms. Allocated memory is still 142.6MB. Free memory was 97.6MB in the beginning and 93.3MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:22:12,848 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 671.03ms. Allocated memory is still 142.6MB. Free memory was 115.3MB in the beginning and 95.1MB in the end (delta: 20.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.41ms. Allocated memory is still 142.6MB. Free memory was 95.1MB in the beginning and 93.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.36ms. Allocated memory is still 142.6MB. Free memory was 93.4MB in the beginning and 92.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 452.06ms. Allocated memory is still 142.6MB. Free memory was 92.3MB in the beginning and 78.1MB in the end (delta: 14.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 970.08ms. Allocated memory is still 142.6MB. Free memory was 77.6MB in the beginning and 97.6MB in the end (delta: -20.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 88.77ms. Allocated memory is still 142.6MB. Free memory was 97.6MB in the beginning and 93.3MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 775]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 776]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 776]: 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: 767]: 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, 171 locations, 9 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 56 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 21 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 44 IncrementalHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 4 mSDtfsCounter, 44 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=239occurred in iteration=0, InterpolantAutomatonStates: 6, 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, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 34 ConstructedInterpolants, 0 QuantifiedInterpolants, 38 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 5 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-28 02:22:12,867 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64127fd4-43de-45de-a6a0-f72ae68efcba/bin/uautomizer-verify-aQ6SnzHsRB/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