./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_17-ps_add1_nr.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_36fbb784-d9a7-4b5a-bfe6-9aae090f3977/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36fbb784-d9a7-4b5a-bfe6-9aae090f3977/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_36fbb784-d9a7-4b5a-bfe6-9aae090f3977/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36fbb784-d9a7-4b5a-bfe6-9aae090f3977/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_17-ps_add1_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36fbb784-d9a7-4b5a-bfe6-9aae090f3977/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_36fbb784-d9a7-4b5a-bfe6-9aae090f3977/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 013bb91f520a17a9cdc0cfee70ba812e0f5d104f38897431df1c1d9fa0ad9ebb --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 19:50:16,167 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 19:50:16,238 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36fbb784-d9a7-4b5a-bfe6-9aae090f3977/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-27 19:50:16,243 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 19:50:16,244 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 19:50:16,276 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 19:50:16,278 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 19:50:16,278 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 19:50:16,279 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 19:50:16,279 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 19:50:16,280 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 19:50:16,280 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 19:50:16,280 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 19:50:16,281 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 19:50:16,281 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 19:50:16,281 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 19:50:16,281 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 19:50:16,281 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 19:50:16,282 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 19:50:16,282 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 19:50:16,283 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 19:50:16,283 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 19:50:16,283 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-27 19:50:16,283 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-27 19:50:16,283 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 19:50:16,283 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 19:50:16,283 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 19:50:16,283 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 19:50:16,283 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 19:50:16,284 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 19:50:16,284 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 19:50:16,284 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 19:50:16,284 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 19:50:16,284 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 19:50:16,284 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 19:50:16,284 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 19:50:16,284 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 19:50:16,284 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 19:50:16,284 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 19:50:16,284 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 19:50:16,284 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 19:50:16,285 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 19:50:16,285 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 19:50:16,285 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 19:50:16,285 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 19:50:16,285 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 19:50:16,285 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_36fbb784-d9a7-4b5a-bfe6-9aae090f3977/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 -> 013bb91f520a17a9cdc0cfee70ba812e0f5d104f38897431df1c1d9fa0ad9ebb [2024-11-27 19:50:16,543 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 19:50:16,552 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 19:50:16,555 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 19:50:16,557 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 19:50:16,558 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 19:50:16,560 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36fbb784-d9a7-4b5a-bfe6-9aae090f3977/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/goblint-regression/04-mutex_17-ps_add1_nr.i [2024-11-27 19:50:19,705 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36fbb784-d9a7-4b5a-bfe6-9aae090f3977/bin/uautomizer-verify-aQ6SnzHsRB/data/d1598019c/71218f7e513b48e89078c856ddf84210/FLAG0a2736fe5 [2024-11-27 19:50:20,108 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 19:50:20,112 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36fbb784-d9a7-4b5a-bfe6-9aae090f3977/sv-benchmarks/c/goblint-regression/04-mutex_17-ps_add1_nr.i [2024-11-27 19:50:20,135 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36fbb784-d9a7-4b5a-bfe6-9aae090f3977/bin/uautomizer-verify-aQ6SnzHsRB/data/d1598019c/71218f7e513b48e89078c856ddf84210/FLAG0a2736fe5 [2024-11-27 19:50:20,156 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36fbb784-d9a7-4b5a-bfe6-9aae090f3977/bin/uautomizer-verify-aQ6SnzHsRB/data/d1598019c/71218f7e513b48e89078c856ddf84210 [2024-11-27 19:50:20,159 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 19:50:20,160 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 19:50:20,163 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 19:50:20,164 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 19:50:20,168 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 19:50:20,169 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 07:50:20" (1/1) ... [2024-11-27 19:50:20,172 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@715a51df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:20, skipping insertion in model container [2024-11-27 19:50:20,173 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 07:50:20" (1/1) ... [2024-11-27 19:50:20,223 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 19:50:20,715 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 19:50:20,729 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 19:50:20,803 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 19:50:20,866 INFO L204 MainTranslator]: Completed translation [2024-11-27 19:50:20,867 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:20 WrapperNode [2024-11-27 19:50:20,868 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 19:50:20,869 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 19:50:20,870 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 19:50:20,870 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 19:50:20,882 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:20" (1/1) ... [2024-11-27 19:50:20,895 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:20" (1/1) ... [2024-11-27 19:50:20,915 INFO L138 Inliner]: procedures = 266, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 54 [2024-11-27 19:50:20,915 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 19:50:20,916 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 19:50:20,916 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 19:50:20,916 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 19:50:20,924 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:20" (1/1) ... [2024-11-27 19:50:20,925 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:20" (1/1) ... [2024-11-27 19:50:20,927 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:20" (1/1) ... [2024-11-27 19:50:20,928 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:20" (1/1) ... [2024-11-27 19:50:20,933 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:20" (1/1) ... [2024-11-27 19:50:20,934 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:20" (1/1) ... [2024-11-27 19:50:20,936 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:20" (1/1) ... [2024-11-27 19:50:20,937 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:20" (1/1) ... [2024-11-27 19:50:20,938 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:20" (1/1) ... [2024-11-27 19:50:20,940 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 19:50:20,941 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 19:50:20,941 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 19:50:20,941 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 19:50:20,942 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:20" (1/1) ... [2024-11-27 19:50:20,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 19:50:20,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36fbb784-d9a7-4b5a-bfe6-9aae090f3977/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:50:20,976 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36fbb784-d9a7-4b5a-bfe6-9aae090f3977/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 19:50:20,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36fbb784-d9a7-4b5a-bfe6-9aae090f3977/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 19:50:21,004 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-27 19:50:21,004 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-27 19:50:21,004 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 19:50:21,004 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-27 19:50:21,004 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-27 19:50:21,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-27 19:50:21,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 19:50:21,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 19:50:21,007 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-27 19:50:21,132 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 19:50:21,134 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 19:50:21,347 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-27 19:50:21,347 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 19:50:21,382 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 19:50:21,383 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-27 19:50:21,384 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 07:50:21 BoogieIcfgContainer [2024-11-27 19:50:21,384 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 19:50:21,389 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 19:50:21,389 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 19:50:21,395 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 19:50:21,395 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 07:50:20" (1/3) ... [2024-11-27 19:50:21,396 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34177530 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 07:50:21, skipping insertion in model container [2024-11-27 19:50:21,396 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:20" (2/3) ... [2024-11-27 19:50:21,397 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34177530 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 07:50:21, skipping insertion in model container [2024-11-27 19:50:21,397 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 07:50:21" (3/3) ... [2024-11-27 19:50:21,399 INFO L128 eAbstractionObserver]: Analyzing ICFG 04-mutex_17-ps_add1_nr.i [2024-11-27 19:50:21,417 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 19:50:21,418 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 04-mutex_17-ps_add1_nr.i that has 2 procedures, 75 locations, 1 initial locations, 0 loop locations, and 4 error locations. [2024-11-27 19:50:21,420 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-27 19:50:21,471 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-27 19:50:21,514 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 78 places, 78 transitions, 160 flow [2024-11-27 19:50:21,590 INFO L124 PetriNetUnfolderBase]: 4/77 cut-off events. [2024-11-27 19:50:21,594 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-27 19:50:21,599 INFO L83 FinitePrefix]: Finished finitePrefix Result has 81 conditions, 77 events. 4/77 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 101 event pairs, 0 based on Foata normal form. 0/69 useless extension candidates. Maximal degree in co-relation 56. Up to 2 conditions per place. [2024-11-27 19:50:21,599 INFO L82 GeneralOperation]: Start removeDead. Operand has 78 places, 78 transitions, 160 flow [2024-11-27 19:50:21,603 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 77 places, 77 transitions, 157 flow [2024-11-27 19:50:21,611 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 19:50:21,622 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;@40066e0a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 19:50:21,622 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-27 19:50:21,639 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-27 19:50:21,639 INFO L124 PetriNetUnfolderBase]: 0/31 cut-off events. [2024-11-27 19:50:21,639 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-27 19:50:21,640 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:50:21,640 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:50:21,641 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-27 19:50:21,647 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:50:21,647 INFO L85 PathProgramCache]: Analyzing trace with hash 1675036290, now seen corresponding path program 1 times [2024-11-27 19:50:21,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:50:21,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198082290] [2024-11-27 19:50:21,655 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:50:21,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:50:21,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:50:21,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:50:21,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:50:21,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198082290] [2024-11-27 19:50:21,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198082290] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:50:21,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:50:21,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 19:50:21,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977093051] [2024-11-27 19:50:21,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:50:21,930 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:50:21,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:50:21,958 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:50:21,958 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:50:21,996 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 78 [2024-11-27 19:50:21,999 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 77 transitions, 157 flow. Second operand has 3 states, 3 states have (on average 66.33333333333333) internal successors, (199), 3 states have internal predecessors, (199), 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) [2024-11-27 19:50:21,999 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:50:22,001 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 78 [2024-11-27 19:50:22,002 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:50:22,127 INFO L124 PetriNetUnfolderBase]: 46/289 cut-off events. [2024-11-27 19:50:22,127 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-27 19:50:22,129 INFO L83 FinitePrefix]: Finished finitePrefix Result has 378 conditions, 289 events. 46/289 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1303 event pairs, 6 based on Foata normal form. 0/249 useless extension candidates. Maximal degree in co-relation 351. Up to 45 conditions per place. [2024-11-27 19:50:22,132 INFO L140 encePairwiseOnDemand]: 70/78 looper letters, 17 selfloop transitions, 6 changer transitions 0/87 dead transitions. [2024-11-27 19:50:22,132 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 87 transitions, 223 flow [2024-11-27 19:50:22,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:50:22,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 19:50:22,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 220 transitions. [2024-11-27 19:50:22,150 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9401709401709402 [2024-11-27 19:50:22,152 INFO L175 Difference]: Start difference. First operand has 77 places, 77 transitions, 157 flow. Second operand 3 states and 220 transitions. [2024-11-27 19:50:22,153 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 87 transitions, 223 flow [2024-11-27 19:50:22,159 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 87 transitions, 222 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-27 19:50:22,164 INFO L231 Difference]: Finished difference. Result has 80 places, 83 transitions, 208 flow [2024-11-27 19:50:22,166 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=78, PETRI_DIFFERENCE_MINUEND_FLOW=156, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=208, PETRI_PLACES=80, PETRI_TRANSITIONS=83} [2024-11-27 19:50:22,170 INFO L279 CegarLoopForPetriNet]: 77 programPoint places, 3 predicate places. [2024-11-27 19:50:22,171 INFO L471 AbstractCegarLoop]: Abstraction has has 80 places, 83 transitions, 208 flow [2024-11-27 19:50:22,171 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.33333333333333) internal successors, (199), 3 states have internal predecessors, (199), 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) [2024-11-27 19:50:22,171 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:50:22,172 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] [2024-11-27 19:50:22,172 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-27 19:50:22,172 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-27 19:50:22,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:50:22,173 INFO L85 PathProgramCache]: Analyzing trace with hash -1843236832, now seen corresponding path program 1 times [2024-11-27 19:50:22,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:50:22,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184414682] [2024-11-27 19:50:22,174 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:50:22,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:50:22,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:50:22,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:50:22,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:50:22,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184414682] [2024-11-27 19:50:22,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1184414682] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:50:22,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:50:22,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 19:50:22,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317557519] [2024-11-27 19:50:22,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:50:22,256 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:50:22,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:50:22,257 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:50:22,257 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:50:22,291 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 78 [2024-11-27 19:50:22,292 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 83 transitions, 208 flow. Second operand has 3 states, 3 states have (on average 67.0) internal successors, (201), 3 states have internal predecessors, (201), 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) [2024-11-27 19:50:22,292 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:50:22,292 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 78 [2024-11-27 19:50:22,292 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:50:22,424 INFO L124 PetriNetUnfolderBase]: 63/326 cut-off events. [2024-11-27 19:50:22,424 INFO L125 PetriNetUnfolderBase]: For 102/132 co-relation queries the response was YES. [2024-11-27 19:50:22,430 INFO L83 FinitePrefix]: Finished finitePrefix Result has 548 conditions, 326 events. 63/326 cut-off events. For 102/132 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 1635 event pairs, 16 based on Foata normal form. 1/281 useless extension candidates. Maximal degree in co-relation 520. Up to 93 conditions per place. [2024-11-27 19:50:22,431 INFO L140 encePairwiseOnDemand]: 72/78 looper letters, 16 selfloop transitions, 7 changer transitions 4/90 dead transitions. [2024-11-27 19:50:22,431 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 90 transitions, 280 flow [2024-11-27 19:50:22,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:50:22,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 19:50:22,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 215 transitions. [2024-11-27 19:50:22,434 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9188034188034188 [2024-11-27 19:50:22,434 INFO L175 Difference]: Start difference. First operand has 80 places, 83 transitions, 208 flow. Second operand 3 states and 215 transitions. [2024-11-27 19:50:22,434 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 90 transitions, 280 flow [2024-11-27 19:50:22,436 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 90 transitions, 264 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 19:50:22,438 INFO L231 Difference]: Finished difference. Result has 82 places, 85 transitions, 246 flow [2024-11-27 19:50:22,438 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=78, PETRI_DIFFERENCE_MINUEND_FLOW=196, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=246, PETRI_PLACES=82, PETRI_TRANSITIONS=85} [2024-11-27 19:50:22,439 INFO L279 CegarLoopForPetriNet]: 77 programPoint places, 5 predicate places. [2024-11-27 19:50:22,439 INFO L471 AbstractCegarLoop]: Abstraction has has 82 places, 85 transitions, 246 flow [2024-11-27 19:50:22,440 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.0) internal successors, (201), 3 states have internal predecessors, (201), 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) [2024-11-27 19:50:22,440 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:50:22,441 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] [2024-11-27 19:50:22,441 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-27 19:50:22,441 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-27 19:50:22,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:50:22,443 INFO L85 PathProgramCache]: Analyzing trace with hash 1556901254, now seen corresponding path program 1 times [2024-11-27 19:50:22,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:50:22,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566288299] [2024-11-27 19:50:22,444 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:50:22,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:50:22,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:50:22,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:50:22,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:50:22,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566288299] [2024-11-27 19:50:22,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1566288299] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:50:22,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:50:22,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 19:50:22,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203839548] [2024-11-27 19:50:22,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:50:22,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:50:22,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:50:22,552 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:50:22,552 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:50:22,588 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 78 [2024-11-27 19:50:22,588 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 85 transitions, 246 flow. Second operand has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 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) [2024-11-27 19:50:22,590 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:50:22,590 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 78 [2024-11-27 19:50:22,590 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:50:22,687 INFO L124 PetriNetUnfolderBase]: 75/393 cut-off events. [2024-11-27 19:50:22,687 INFO L125 PetriNetUnfolderBase]: For 198/227 co-relation queries the response was YES. [2024-11-27 19:50:22,690 INFO L83 FinitePrefix]: Finished finitePrefix Result has 720 conditions, 393 events. 75/393 cut-off events. For 198/227 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 2025 event pairs, 18 based on Foata normal form. 1/361 useless extension candidates. Maximal degree in co-relation 690. Up to 99 conditions per place. [2024-11-27 19:50:22,691 INFO L140 encePairwiseOnDemand]: 72/78 looper letters, 16 selfloop transitions, 7 changer transitions 7/93 dead transitions. [2024-11-27 19:50:22,691 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 93 transitions, 334 flow [2024-11-27 19:50:22,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:50:22,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 19:50:22,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 214 transitions. [2024-11-27 19:50:22,696 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9145299145299145 [2024-11-27 19:50:22,696 INFO L175 Difference]: Start difference. First operand has 82 places, 85 transitions, 246 flow. Second operand 3 states and 214 transitions. [2024-11-27 19:50:22,697 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 93 transitions, 334 flow [2024-11-27 19:50:22,701 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 93 transitions, 316 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 19:50:22,704 INFO L231 Difference]: Finished difference. Result has 83 places, 85 transitions, 268 flow [2024-11-27 19:50:22,704 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=78, PETRI_DIFFERENCE_MINUEND_FLOW=232, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=268, PETRI_PLACES=83, PETRI_TRANSITIONS=85} [2024-11-27 19:50:22,706 INFO L279 CegarLoopForPetriNet]: 77 programPoint places, 6 predicate places. [2024-11-27 19:50:22,706 INFO L471 AbstractCegarLoop]: Abstraction has has 83 places, 85 transitions, 268 flow [2024-11-27 19:50:22,707 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 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) [2024-11-27 19:50:22,707 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:50:22,708 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:50:22,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-27 19:50:22,708 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-27 19:50:22,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:50:22,709 INFO L85 PathProgramCache]: Analyzing trace with hash -1106056391, now seen corresponding path program 1 times [2024-11-27 19:50:22,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:50:22,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545149444] [2024-11-27 19:50:22,710 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:50:22,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:50:22,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:50:22,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:50:22,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:50:22,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545149444] [2024-11-27 19:50:22,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545149444] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:50:22,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:50:22,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 19:50:22,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557616027] [2024-11-27 19:50:22,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:50:22,942 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 19:50:22,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:50:22,942 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 19:50:22,942 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 19:50:23,004 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 59 out of 78 [2024-11-27 19:50:23,005 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 85 transitions, 268 flow. Second operand has 5 states, 5 states have (on average 60.8) internal successors, (304), 5 states have internal predecessors, (304), 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) [2024-11-27 19:50:23,006 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:50:23,006 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 59 of 78 [2024-11-27 19:50:23,006 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:50:23,202 INFO L124 PetriNetUnfolderBase]: 62/409 cut-off events. [2024-11-27 19:50:23,203 INFO L125 PetriNetUnfolderBase]: For 188/190 co-relation queries the response was YES. [2024-11-27 19:50:23,205 INFO L83 FinitePrefix]: Finished finitePrefix Result has 754 conditions, 409 events. 62/409 cut-off events. For 188/190 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 2261 event pairs, 27 based on Foata normal form. 3/382 useless extension candidates. Maximal degree in co-relation 722. Up to 94 conditions per place. [2024-11-27 19:50:23,206 INFO L140 encePairwiseOnDemand]: 71/78 looper letters, 15 selfloop transitions, 2 changer transitions 12/97 dead transitions. [2024-11-27 19:50:23,207 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 97 transitions, 354 flow [2024-11-27 19:50:23,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 19:50:23,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-27 19:50:23,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 384 transitions. [2024-11-27 19:50:23,210 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8205128205128205 [2024-11-27 19:50:23,211 INFO L175 Difference]: Start difference. First operand has 83 places, 85 transitions, 268 flow. Second operand 6 states and 384 transitions. [2024-11-27 19:50:23,211 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 97 transitions, 354 flow [2024-11-27 19:50:23,216 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 97 transitions, 338 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 19:50:23,217 INFO L231 Difference]: Finished difference. Result has 90 places, 85 transitions, 272 flow [2024-11-27 19:50:23,218 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=78, PETRI_DIFFERENCE_MINUEND_FLOW=254, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=272, PETRI_PLACES=90, PETRI_TRANSITIONS=85} [2024-11-27 19:50:23,218 INFO L279 CegarLoopForPetriNet]: 77 programPoint places, 13 predicate places. [2024-11-27 19:50:23,218 INFO L471 AbstractCegarLoop]: Abstraction has has 90 places, 85 transitions, 272 flow [2024-11-27 19:50:23,219 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 60.8) internal successors, (304), 5 states have internal predecessors, (304), 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) [2024-11-27 19:50:23,219 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:50:23,220 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:50:23,220 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-27 19:50:23,222 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-27 19:50:23,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:50:23,224 INFO L85 PathProgramCache]: Analyzing trace with hash -1646073217, now seen corresponding path program 1 times [2024-11-27 19:50:23,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:50:23,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188615362] [2024-11-27 19:50:23,224 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:50:23,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:50:23,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:50:23,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:50:23,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:50:23,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188615362] [2024-11-27 19:50:23,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [188615362] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:50:23,379 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:50:23,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 19:50:23,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094118254] [2024-11-27 19:50:23,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:50:23,380 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:50:23,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:50:23,381 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:50:23,381 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:50:23,403 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 72 out of 78 [2024-11-27 19:50:23,405 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 85 transitions, 272 flow. Second operand has 3 states, 3 states have (on average 73.33333333333333) internal successors, (220), 3 states have internal predecessors, (220), 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) [2024-11-27 19:50:23,405 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:50:23,405 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 72 of 78 [2024-11-27 19:50:23,405 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:50:23,442 INFO L124 PetriNetUnfolderBase]: 1/130 cut-off events. [2024-11-27 19:50:23,442 INFO L125 PetriNetUnfolderBase]: For 26/26 co-relation queries the response was YES. [2024-11-27 19:50:23,443 INFO L83 FinitePrefix]: Finished finitePrefix Result has 211 conditions, 130 events. 1/130 cut-off events. For 26/26 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 203 event pairs, 1 based on Foata normal form. 2/132 useless extension candidates. Maximal degree in co-relation 183. Up to 11 conditions per place. [2024-11-27 19:50:23,443 INFO L140 encePairwiseOnDemand]: 74/78 looper letters, 0 selfloop transitions, 0 changer transitions 71/71 dead transitions. [2024-11-27 19:50:23,443 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 71 transitions, 210 flow [2024-11-27 19:50:23,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:50:23,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 19:50:23,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 224 transitions. [2024-11-27 19:50:23,446 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9572649572649573 [2024-11-27 19:50:23,446 INFO L175 Difference]: Start difference. First operand has 90 places, 85 transitions, 272 flow. Second operand 3 states and 224 transitions. [2024-11-27 19:50:23,446 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 71 transitions, 210 flow [2024-11-27 19:50:23,447 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 71 transitions, 172 flow, removed 11 selfloop flow, removed 8 redundant places. [2024-11-27 19:50:23,448 INFO L231 Difference]: Finished difference. Result has 77 places, 0 transitions, 0 flow [2024-11-27 19:50:23,448 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=78, PETRI_DIFFERENCE_MINUEND_FLOW=160, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=77, PETRI_TRANSITIONS=0} [2024-11-27 19:50:23,451 INFO L279 CegarLoopForPetriNet]: 77 programPoint places, 0 predicate places. [2024-11-27 19:50:23,451 INFO L471 AbstractCegarLoop]: Abstraction has has 77 places, 0 transitions, 0 flow [2024-11-27 19:50:23,452 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 73.33333333333333) internal successors, (220), 3 states have internal predecessors, (220), 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) [2024-11-27 19:50:23,456 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2024-11-27 19:50:23,457 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2024-11-27 19:50:23,459 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2024-11-27 19:50:23,459 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2024-11-27 19:50:23,459 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2024-11-27 19:50:23,460 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2024-11-27 19:50:23,460 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2024-11-27 19:50:23,460 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-27 19:50:23,460 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-27 19:50:23,469 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-27 19:50:23,469 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-27 19:50:23,479 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 07:50:23 BasicIcfg [2024-11-27 19:50:23,479 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-27 19:50:23,479 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-27 19:50:23,480 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-27 19:50:23,480 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-27 19:50:23,480 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 07:50:21" (3/4) ... [2024-11-27 19:50:23,484 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-27 19:50:23,489 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-11-27 19:50:23,495 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-27 19:50:23,495 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-27 19:50:23,495 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-27 19:50:23,586 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36fbb784-d9a7-4b5a-bfe6-9aae090f3977/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-27 19:50:23,586 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36fbb784-d9a7-4b5a-bfe6-9aae090f3977/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-27 19:50:23,587 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-27 19:50:23,588 INFO L158 Benchmark]: Toolchain (without parser) took 3427.88ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 91.3MB in the beginning and 114.2MB in the end (delta: -22.9MB). Peak memory consumption was 33.3MB. Max. memory is 16.1GB. [2024-11-27 19:50:23,589 INFO L158 Benchmark]: CDTParser took 0.81ms. Allocated memory is still 117.4MB. Free memory was 72.8MB in the beginning and 72.6MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 19:50:23,590 INFO L158 Benchmark]: CACSL2BoogieTranslator took 705.87ms. Allocated memory is still 117.4MB. Free memory was 91.3MB in the beginning and 63.5MB in the end (delta: 27.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-27 19:50:23,591 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.37ms. Allocated memory is still 117.4MB. Free memory was 63.5MB in the beginning and 61.5MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 19:50:23,591 INFO L158 Benchmark]: Boogie Preprocessor took 24.65ms. Allocated memory is still 117.4MB. Free memory was 61.5MB in the beginning and 60.7MB in the end (delta: 874.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 19:50:23,592 INFO L158 Benchmark]: RCFGBuilder took 443.03ms. Allocated memory is still 117.4MB. Free memory was 60.7MB in the beginning and 47.5MB in the end (delta: 13.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 19:50:23,593 INFO L158 Benchmark]: TraceAbstraction took 2090.26ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 46.9MB in the beginning and 118.7MB in the end (delta: -71.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 19:50:23,593 INFO L158 Benchmark]: Witness Printer took 107.66ms. Allocated memory is still 176.2MB. Free memory was 118.7MB in the beginning and 114.2MB in the end (delta: 4.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 19:50:23,598 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.81ms. Allocated memory is still 117.4MB. Free memory was 72.8MB in the beginning and 72.6MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 705.87ms. Allocated memory is still 117.4MB. Free memory was 91.3MB in the beginning and 63.5MB in the end (delta: 27.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.37ms. Allocated memory is still 117.4MB. Free memory was 63.5MB in the beginning and 61.5MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.65ms. Allocated memory is still 117.4MB. Free memory was 61.5MB in the beginning and 60.7MB in the end (delta: 874.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 443.03ms. Allocated memory is still 117.4MB. Free memory was 60.7MB in the beginning and 47.5MB in the end (delta: 13.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 2090.26ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 46.9MB in the beginning and 118.7MB in the end (delta: -71.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 107.66ms. Allocated memory is still 176.2MB. Free memory was 118.7MB in the beginning and 114.2MB in the end (delta: 4.5MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 949]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 949]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 932]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 932]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 95 locations, 7 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.0s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 122 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 66 mSDsluCounter, 22 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 195 IncrementalHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 10 mSDtfsCounter, 195 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=272occurred in iteration=4, InterpolantAutomatonStates: 18, 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, 0.6s InterpolantComputationTime, 186 NumberOfCodeBlocks, 186 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 181 ConstructedInterpolants, 0 QuantifiedInterpolants, 247 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! [2024-11-27 19:50:23,622 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36fbb784-d9a7-4b5a-bfe6-9aae090f3977/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE