./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_24-multiple-protecting_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7db29111-2e95-4e72-836e-4697353698ca/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7db29111-2e95-4e72-836e-4697353698ca/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7db29111-2e95-4e72-836e-4697353698ca/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7db29111-2e95-4e72-836e-4697353698ca/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_24-multiple-protecting_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7db29111-2e95-4e72-836e-4697353698ca/bin/uautomizer-verify-jihMAELWvX/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7db29111-2e95-4e72-836e-4697353698ca/bin/uautomizer-verify-jihMAELWvX --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 5a41a1715a056c3cefb9e5b0430ae444adde5aa2f4e6078578085bf381d921cf --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:00:54,777 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:00:54,866 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7db29111-2e95-4e72-836e-4697353698ca/bin/uautomizer-verify-jihMAELWvX/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-08 19:00:54,871 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:00:54,872 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 19:00:54,898 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:00:54,899 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 19:00:54,900 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 19:00:54,901 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:00:54,901 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 19:00:54,902 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:00:54,902 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:00:54,903 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 19:00:54,904 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:00:54,904 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:00:54,905 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:00:54,905 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:00:54,906 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:00:54,906 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:00:54,907 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:00:54,907 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:00:54,908 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:00:54,908 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-08 19:00:54,909 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:00:54,909 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 19:00:54,909 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:00:54,910 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:00:54,910 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:00:54,915 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:00:54,915 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 19:00:54,916 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 19:00:54,916 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:00:54,917 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:00:54,917 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:00:54,917 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:00:54,921 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 19:00:54,921 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 19:00:54,922 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 19:00:54,922 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 19:00:54,922 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 19:00:54,923 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 19:00:54,925 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7db29111-2e95-4e72-836e-4697353698ca/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7db29111-2e95-4e72-836e-4697353698ca/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a41a1715a056c3cefb9e5b0430ae444adde5aa2f4e6078578085bf381d921cf [2024-11-08 19:00:55,260 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:00:55,296 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:00:55,300 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:00:55,302 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:00:55,303 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:00:55,304 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7db29111-2e95-4e72-836e-4697353698ca/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/goblint-regression/13-privatized_24-multiple-protecting_true.i Unable to find full path for "g++" [2024-11-08 19:00:57,770 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:00:58,083 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:00:58,084 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7db29111-2e95-4e72-836e-4697353698ca/sv-benchmarks/c/goblint-regression/13-privatized_24-multiple-protecting_true.i [2024-11-08 19:00:58,102 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7db29111-2e95-4e72-836e-4697353698ca/bin/uautomizer-verify-jihMAELWvX/data/eec003811/2b506bb6c0374d5bb37709a3b275f46e/FLAGb38d7d631 [2024-11-08 19:00:58,368 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7db29111-2e95-4e72-836e-4697353698ca/bin/uautomizer-verify-jihMAELWvX/data/eec003811/2b506bb6c0374d5bb37709a3b275f46e [2024-11-08 19:00:58,372 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:00:58,374 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:00:58,376 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:00:58,376 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:00:58,384 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:00:58,385 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:00:58" (1/1) ... [2024-11-08 19:00:58,386 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10962631 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:00:58, skipping insertion in model container [2024-11-08 19:00:58,387 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:00:58" (1/1) ... [2024-11-08 19:00:58,468 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:00:58,930 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:00:58,962 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:00:59,058 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:00:59,128 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:00:59,129 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:00:59 WrapperNode [2024-11-08 19:00:59,130 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:00:59,131 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:00:59,131 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:00:59,132 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:00:59,143 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:00:59" (1/1) ... [2024-11-08 19:00:59,159 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:00:59" (1/1) ... [2024-11-08 19:00:59,199 INFO L138 Inliner]: procedures = 162, calls = 54, calls flagged for inlining = 7, calls inlined = 10, statements flattened = 117 [2024-11-08 19:00:59,204 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:00:59,205 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:00:59,205 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:00:59,205 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:00:59,219 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:00:59" (1/1) ... [2024-11-08 19:00:59,219 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:00:59" (1/1) ... [2024-11-08 19:00:59,226 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:00:59" (1/1) ... [2024-11-08 19:00:59,227 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:00:59" (1/1) ... [2024-11-08 19:00:59,235 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:00:59" (1/1) ... [2024-11-08 19:00:59,238 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:00:59" (1/1) ... [2024-11-08 19:00:59,240 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:00:59" (1/1) ... [2024-11-08 19:00:59,242 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:00:59" (1/1) ... [2024-11-08 19:00:59,249 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:00:59,250 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:00:59,250 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:00:59,250 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:00:59,251 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:00:59" (1/1) ... [2024-11-08 19:00:59,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:00:59,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7db29111-2e95-4e72-836e-4697353698ca/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:00:59,320 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7db29111-2e95-4e72-836e-4697353698ca/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 19:00:59,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7db29111-2e95-4e72-836e-4697353698ca/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 19:00:59,366 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-08 19:00:59,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:00:59,368 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-08 19:00:59,368 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-08 19:00:59,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 19:00:59,369 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-08 19:00:59,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:00:59,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:00:59,373 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-08 19:00:59,538 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:00:59,541 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:01:00,027 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-08 19:01:00,028 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:01:00,169 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:01:00,171 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 19:01:00,172 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:01:00 BoogieIcfgContainer [2024-11-08 19:01:00,172 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:01:00,175 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 19:01:00,175 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 19:01:00,180 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 19:01:00,181 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 07:00:58" (1/3) ... [2024-11-08 19:01:00,182 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dcbec0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:01:00, skipping insertion in model container [2024-11-08 19:01:00,182 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:00:59" (2/3) ... [2024-11-08 19:01:00,182 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dcbec0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:01:00, skipping insertion in model container [2024-11-08 19:01:00,183 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:01:00" (3/3) ... [2024-11-08 19:01:00,184 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_24-multiple-protecting_true.i [2024-11-08 19:01:00,212 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 19:01:00,212 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2024-11-08 19:01:00,212 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-08 19:01:00,334 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-08 19:01:00,404 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 199 places, 203 transitions, 413 flow [2024-11-08 19:01:00,556 INFO L124 PetriNetUnfolderBase]: 8/202 cut-off events. [2024-11-08 19:01:00,559 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-08 19:01:00,568 INFO L83 FinitePrefix]: Finished finitePrefix Result has 207 conditions, 202 events. 8/202 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 256 event pairs, 0 based on Foata normal form. 0/182 useless extension candidates. Maximal degree in co-relation 161. Up to 2 conditions per place. [2024-11-08 19:01:00,572 INFO L82 GeneralOperation]: Start removeDead. Operand has 199 places, 203 transitions, 413 flow [2024-11-08 19:01:00,584 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 193 places, 197 transitions, 397 flow [2024-11-08 19:01:00,607 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 19:01:00,618 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;@4ee40a54, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 19:01:00,618 INFO L334 AbstractCegarLoop]: Starting to check reachability of 21 error locations. [2024-11-08 19:01:00,633 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-08 19:01:00,634 INFO L124 PetriNetUnfolderBase]: 0/49 cut-off events. [2024-11-08 19:01:00,634 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-08 19:01:00,634 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:01:00,635 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:01:00,635 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-08 19:01:00,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:01:00,642 INFO L85 PathProgramCache]: Analyzing trace with hash -849867250, now seen corresponding path program 1 times [2024-11-08 19:01:00,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:01:00,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598439783] [2024-11-08 19:01:00,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:01:00,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:01:00,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:01:01,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:01:01,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:01:01,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598439783] [2024-11-08 19:01:01,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1598439783] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:01:01,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:01:01,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 19:01:01,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52726000] [2024-11-08 19:01:01,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:01:01,055 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 19:01:01,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:01:01,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 19:01:01,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:01:01,165 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 148 out of 203 [2024-11-08 19:01:01,169 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 193 places, 197 transitions, 397 flow. Second operand has 3 states, 3 states have (on average 149.66666666666666) internal successors, (449), 3 states have internal predecessors, (449), 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) [2024-11-08 19:01:01,170 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:01:01,170 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 203 [2024-11-08 19:01:01,171 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 19:01:02,133 INFO L124 PetriNetUnfolderBase]: 521/2881 cut-off events. [2024-11-08 19:01:02,133 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-08 19:01:02,148 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4002 conditions, 2881 events. 521/2881 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 23150 event pairs, 104 based on Foata normal form. 234/2840 useless extension candidates. Maximal degree in co-relation 3960. Up to 662 conditions per place. [2024-11-08 19:01:02,207 INFO L140 encePairwiseOnDemand]: 180/203 looper letters, 62 selfloop transitions, 10 changer transitions 0/211 dead transitions. [2024-11-08 19:01:02,208 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 185 places, 211 transitions, 569 flow [2024-11-08 19:01:02,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 19:01:02,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 19:01:02,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 537 transitions. [2024-11-08 19:01:02,232 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8817733990147784 [2024-11-08 19:01:02,236 INFO L175 Difference]: Start difference. First operand has 193 places, 197 transitions, 397 flow. Second operand 3 states and 537 transitions. [2024-11-08 19:01:02,237 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 185 places, 211 transitions, 569 flow [2024-11-08 19:01:02,243 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 184 places, 211 transitions, 568 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-08 19:01:02,251 INFO L231 Difference]: Finished difference. Result has 186 places, 187 transitions, 438 flow [2024-11-08 19:01:02,255 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=360, PETRI_DIFFERENCE_MINUEND_PLACES=182, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=179, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=169, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=438, PETRI_PLACES=186, PETRI_TRANSITIONS=187} [2024-11-08 19:01:02,262 INFO L277 CegarLoopForPetriNet]: 193 programPoint places, -7 predicate places. [2024-11-08 19:01:02,262 INFO L471 AbstractCegarLoop]: Abstraction has has 186 places, 187 transitions, 438 flow [2024-11-08 19:01:02,263 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 149.66666666666666) internal successors, (449), 3 states have internal predecessors, (449), 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) [2024-11-08 19:01:02,264 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:01:02,264 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:01:02,264 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 19:01:02,265 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-08 19:01:02,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:01:02,266 INFO L85 PathProgramCache]: Analyzing trace with hash -433555147, now seen corresponding path program 1 times [2024-11-08 19:01:02,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:01:02,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100793502] [2024-11-08 19:01:02,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:01:02,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:01:02,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:01:02,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:01:02,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:01:02,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100793502] [2024-11-08 19:01:02,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2100793502] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:01:02,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:01:02,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 19:01:02,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261897442] [2024-11-08 19:01:02,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:01:02,417 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 19:01:02,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:01:02,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 19:01:02,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:01:02,482 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 203 [2024-11-08 19:01:02,483 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 186 places, 187 transitions, 438 flow. Second operand has 3 states, 3 states have (on average 156.33333333333334) internal successors, (469), 3 states have internal predecessors, (469), 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) [2024-11-08 19:01:02,483 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:01:02,484 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 203 [2024-11-08 19:01:02,484 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 19:01:03,152 INFO L124 PetriNetUnfolderBase]: 506/2881 cut-off events. [2024-11-08 19:01:03,153 INFO L125 PetriNetUnfolderBase]: For 386/390 co-relation queries the response was YES. [2024-11-08 19:01:03,161 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4345 conditions, 2881 events. 506/2881 cut-off events. For 386/390 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 23228 event pairs, 355 based on Foata normal form. 4/2607 useless extension candidates. Maximal degree in co-relation 4302. Up to 979 conditions per place. [2024-11-08 19:01:03,173 INFO L140 encePairwiseOnDemand]: 196/203 looper letters, 52 selfloop transitions, 8 changer transitions 0/206 dead transitions. [2024-11-08 19:01:03,173 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 188 places, 206 transitions, 612 flow [2024-11-08 19:01:03,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 19:01:03,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 19:01:03,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 516 transitions. [2024-11-08 19:01:03,178 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8472906403940886 [2024-11-08 19:01:03,178 INFO L175 Difference]: Start difference. First operand has 186 places, 187 transitions, 438 flow. Second operand 3 states and 516 transitions. [2024-11-08 19:01:03,178 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 188 places, 206 transitions, 612 flow [2024-11-08 19:01:03,184 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 186 places, 206 transitions, 586 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 19:01:03,190 INFO L231 Difference]: Finished difference. Result has 188 places, 194 transitions, 490 flow [2024-11-08 19:01:03,190 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=418, PETRI_DIFFERENCE_MINUEND_PLACES=184, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=187, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=179, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=490, PETRI_PLACES=188, PETRI_TRANSITIONS=194} [2024-11-08 19:01:03,191 INFO L277 CegarLoopForPetriNet]: 193 programPoint places, -5 predicate places. [2024-11-08 19:01:03,192 INFO L471 AbstractCegarLoop]: Abstraction has has 188 places, 194 transitions, 490 flow [2024-11-08 19:01:03,192 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 156.33333333333334) internal successors, (469), 3 states have internal predecessors, (469), 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) [2024-11-08 19:01:03,193 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:01:03,193 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:01:03,193 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 19:01:03,194 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-08 19:01:03,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:01:03,196 INFO L85 PathProgramCache]: Analyzing trace with hash 631980611, now seen corresponding path program 1 times [2024-11-08 19:01:03,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:01:03,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408373239] [2024-11-08 19:01:03,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:01:03,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:01:03,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:01:03,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:01:03,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:01:03,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408373239] [2024-11-08 19:01:03,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [408373239] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:01:03,608 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:01:03,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 19:01:03,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515856308] [2024-11-08 19:01:03,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:01:03,609 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 19:01:03,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:01:03,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 19:01:03,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-08 19:01:03,671 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 203 [2024-11-08 19:01:03,673 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 194 transitions, 490 flow. Second operand has 5 states, 5 states have (on average 164.4) internal successors, (822), 5 states have internal predecessors, (822), 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) [2024-11-08 19:01:03,673 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:01:03,674 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 203 [2024-11-08 19:01:03,674 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 19:01:04,077 INFO L124 PetriNetUnfolderBase]: 140/1327 cut-off events. [2024-11-08 19:01:04,078 INFO L125 PetriNetUnfolderBase]: For 53/56 co-relation queries the response was YES. [2024-11-08 19:01:04,081 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1827 conditions, 1327 events. 140/1327 cut-off events. For 53/56 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 8797 event pairs, 64 based on Foata normal form. 13/1233 useless extension candidates. Maximal degree in co-relation 1781. Up to 177 conditions per place. [2024-11-08 19:01:04,090 INFO L140 encePairwiseOnDemand]: 195/203 looper letters, 39 selfloop transitions, 8 changer transitions 2/206 dead transitions. [2024-11-08 19:01:04,092 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 190 places, 206 transitions, 574 flow [2024-11-08 19:01:04,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 19:01:04,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-08 19:01:04,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 866 transitions. [2024-11-08 19:01:04,096 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8532019704433498 [2024-11-08 19:01:04,096 INFO L175 Difference]: Start difference. First operand has 188 places, 194 transitions, 490 flow. Second operand 5 states and 866 transitions. [2024-11-08 19:01:04,096 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 190 places, 206 transitions, 574 flow [2024-11-08 19:01:04,104 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 188 places, 206 transitions, 556 flow, removed 5 selfloop flow, removed 2 redundant places. [2024-11-08 19:01:04,110 INFO L231 Difference]: Finished difference. Result has 189 places, 187 transitions, 448 flow [2024-11-08 19:01:04,110 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=414, PETRI_DIFFERENCE_MINUEND_PLACES=184, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=184, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=176, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=448, PETRI_PLACES=189, PETRI_TRANSITIONS=187} [2024-11-08 19:01:04,111 INFO L277 CegarLoopForPetriNet]: 193 programPoint places, -4 predicate places. [2024-11-08 19:01:04,111 INFO L471 AbstractCegarLoop]: Abstraction has has 189 places, 187 transitions, 448 flow [2024-11-08 19:01:04,112 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 164.4) internal successors, (822), 5 states have internal predecessors, (822), 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) [2024-11-08 19:01:04,112 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:01:04,113 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:01:04,113 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 19:01:04,113 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-08 19:01:04,114 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:01:04,115 INFO L85 PathProgramCache]: Analyzing trace with hash -1036238888, now seen corresponding path program 1 times [2024-11-08 19:01:04,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:01:04,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318331621] [2024-11-08 19:01:04,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:01:04,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:01:04,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:01:04,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:01:04,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:01:04,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318331621] [2024-11-08 19:01:04,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318331621] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:01:04,207 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:01:04,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 19:01:04,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933868446] [2024-11-08 19:01:04,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:01:04,208 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 19:01:04,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:01:04,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 19:01:04,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:01:04,279 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 203 [2024-11-08 19:01:04,280 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 189 places, 187 transitions, 448 flow. Second operand has 3 states, 3 states have (on average 157.66666666666666) internal successors, (473), 3 states have internal predecessors, (473), 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) [2024-11-08 19:01:04,280 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:01:04,281 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 203 [2024-11-08 19:01:04,281 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 19:01:04,616 INFO L124 PetriNetUnfolderBase]: 206/1481 cut-off events. [2024-11-08 19:01:04,616 INFO L125 PetriNetUnfolderBase]: For 238/239 co-relation queries the response was YES. [2024-11-08 19:01:04,619 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2309 conditions, 1481 events. 206/1481 cut-off events. For 238/239 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 10309 event pairs, 161 based on Foata normal form. 0/1370 useless extension candidates. Maximal degree in co-relation 2262. Up to 482 conditions per place. [2024-11-08 19:01:04,624 INFO L140 encePairwiseOnDemand]: 198/203 looper letters, 45 selfloop transitions, 4 changer transitions 0/193 dead transitions. [2024-11-08 19:01:04,624 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 191 places, 193 transitions, 565 flow [2024-11-08 19:01:04,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 19:01:04,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 19:01:04,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 505 transitions. [2024-11-08 19:01:04,627 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8292282430213465 [2024-11-08 19:01:04,627 INFO L175 Difference]: Start difference. First operand has 189 places, 187 transitions, 448 flow. Second operand 3 states and 505 transitions. [2024-11-08 19:01:04,627 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 191 places, 193 transitions, 565 flow [2024-11-08 19:01:04,630 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 189 places, 193 transitions, 562 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 19:01:04,633 INFO L231 Difference]: Finished difference. Result has 191 places, 190 transitions, 479 flow [2024-11-08 19:01:04,634 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=445, PETRI_DIFFERENCE_MINUEND_PLACES=187, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=187, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=183, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=479, PETRI_PLACES=191, PETRI_TRANSITIONS=190} [2024-11-08 19:01:04,635 INFO L277 CegarLoopForPetriNet]: 193 programPoint places, -2 predicate places. [2024-11-08 19:01:04,635 INFO L471 AbstractCegarLoop]: Abstraction has has 191 places, 190 transitions, 479 flow [2024-11-08 19:01:04,635 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 157.66666666666666) internal successors, (473), 3 states have internal predecessors, (473), 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) [2024-11-08 19:01:04,636 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:01:04,636 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:01:04,636 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 19:01:04,636 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-08 19:01:04,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:01:04,637 INFO L85 PathProgramCache]: Analyzing trace with hash -1878906357, now seen corresponding path program 1 times [2024-11-08 19:01:04,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:01:04,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144234486] [2024-11-08 19:01:04,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:01:04,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:01:04,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:01:04,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:01:04,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:01:04,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144234486] [2024-11-08 19:01:04,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144234486] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:01:04,700 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:01:04,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 19:01:04,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775706515] [2024-11-08 19:01:04,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:01:04,701 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 19:01:04,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:01:04,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 19:01:04,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:01:04,730 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 203 [2024-11-08 19:01:04,731 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 191 places, 190 transitions, 479 flow. Second operand has 3 states, 3 states have (on average 157.33333333333334) internal successors, (472), 3 states have internal predecessors, (472), 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) [2024-11-08 19:01:04,731 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:01:04,731 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 203 [2024-11-08 19:01:04,731 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 19:01:05,253 INFO L124 PetriNetUnfolderBase]: 311/1966 cut-off events. [2024-11-08 19:01:05,254 INFO L125 PetriNetUnfolderBase]: For 215/219 co-relation queries the response was YES. [2024-11-08 19:01:05,258 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3046 conditions, 1966 events. 311/1966 cut-off events. For 215/219 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 14434 event pairs, 131 based on Foata normal form. 0/1837 useless extension candidates. Maximal degree in co-relation 2999. Up to 409 conditions per place. [2024-11-08 19:01:05,265 INFO L140 encePairwiseOnDemand]: 194/203 looper letters, 57 selfloop transitions, 6 changer transitions 3/217 dead transitions. [2024-11-08 19:01:05,266 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 191 places, 217 transitions, 684 flow [2024-11-08 19:01:05,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 19:01:05,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 19:01:05,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 527 transitions. [2024-11-08 19:01:05,269 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8653530377668309 [2024-11-08 19:01:05,269 INFO L175 Difference]: Start difference. First operand has 191 places, 190 transitions, 479 flow. Second operand 3 states and 527 transitions. [2024-11-08 19:01:05,269 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 191 places, 217 transitions, 684 flow [2024-11-08 19:01:05,275 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 189 places, 217 transitions, 674 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-11-08 19:01:05,279 INFO L231 Difference]: Finished difference. Result has 191 places, 192 transitions, 507 flow [2024-11-08 19:01:05,280 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=465, PETRI_DIFFERENCE_MINUEND_PLACES=187, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=188, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=182, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=507, PETRI_PLACES=191, PETRI_TRANSITIONS=192} [2024-11-08 19:01:05,282 INFO L277 CegarLoopForPetriNet]: 193 programPoint places, -2 predicate places. [2024-11-08 19:01:05,284 INFO L471 AbstractCegarLoop]: Abstraction has has 191 places, 192 transitions, 507 flow [2024-11-08 19:01:05,285 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 157.33333333333334) internal successors, (472), 3 states have internal predecessors, (472), 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) [2024-11-08 19:01:05,285 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:01:05,285 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:01:05,286 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 19:01:05,286 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-08 19:01:05,287 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:01:05,289 INFO L85 PathProgramCache]: Analyzing trace with hash -268824090, now seen corresponding path program 1 times [2024-11-08 19:01:05,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:01:05,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542694993] [2024-11-08 19:01:05,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:01:05,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:01:05,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:01:05,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:01:05,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:01:05,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542694993] [2024-11-08 19:01:05,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542694993] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:01:05,400 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:01:05,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 19:01:05,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935317583] [2024-11-08 19:01:05,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:01:05,401 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 19:01:05,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:01:05,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 19:01:05,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:01:05,434 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 156 out of 203 [2024-11-08 19:01:05,435 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 191 places, 192 transitions, 507 flow. Second operand has 3 states, 3 states have (on average 160.33333333333334) internal successors, (481), 3 states have internal predecessors, (481), 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) [2024-11-08 19:01:05,435 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:01:05,435 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 156 of 203 [2024-11-08 19:01:05,436 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 19:01:05,942 INFO L124 PetriNetUnfolderBase]: 342/2016 cut-off events. [2024-11-08 19:01:05,943 INFO L125 PetriNetUnfolderBase]: For 441/445 co-relation queries the response was YES. [2024-11-08 19:01:05,947 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3362 conditions, 2016 events. 342/2016 cut-off events. For 441/445 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 15092 event pairs, 231 based on Foata normal form. 0/1880 useless extension candidates. Maximal degree in co-relation 3314. Up to 667 conditions per place. [2024-11-08 19:01:05,954 INFO L140 encePairwiseOnDemand]: 198/203 looper letters, 51 selfloop transitions, 4 changer transitions 0/207 dead transitions. [2024-11-08 19:01:05,954 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 193 places, 207 transitions, 659 flow [2024-11-08 19:01:05,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 19:01:05,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 19:01:05,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 518 transitions. [2024-11-08 19:01:05,957 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8505747126436781 [2024-11-08 19:01:05,957 INFO L175 Difference]: Start difference. First operand has 191 places, 192 transitions, 507 flow. Second operand 3 states and 518 transitions. [2024-11-08 19:01:05,958 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 193 places, 207 transitions, 659 flow [2024-11-08 19:01:05,961 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 191 places, 207 transitions, 645 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 19:01:05,965 INFO L231 Difference]: Finished difference. Result has 193 places, 195 transitions, 527 flow [2024-11-08 19:01:05,966 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=495, PETRI_DIFFERENCE_MINUEND_PLACES=189, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=192, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=188, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=527, PETRI_PLACES=193, PETRI_TRANSITIONS=195} [2024-11-08 19:01:05,967 INFO L277 CegarLoopForPetriNet]: 193 programPoint places, 0 predicate places. [2024-11-08 19:01:05,967 INFO L471 AbstractCegarLoop]: Abstraction has has 193 places, 195 transitions, 527 flow [2024-11-08 19:01:05,967 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 160.33333333333334) internal successors, (481), 3 states have internal predecessors, (481), 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) [2024-11-08 19:01:05,968 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:01:05,968 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:01:05,968 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 19:01:05,968 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-08 19:01:05,969 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:01:05,969 INFO L85 PathProgramCache]: Analyzing trace with hash 2025854313, now seen corresponding path program 1 times [2024-11-08 19:01:05,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:01:05,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125441235] [2024-11-08 19:01:05,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:01:05,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:01:05,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:01:06,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:01:06,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:01:06,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125441235] [2024-11-08 19:01:06,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [125441235] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:01:06,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:01:06,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 19:01:06,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927311011] [2024-11-08 19:01:06,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:01:06,047 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 19:01:06,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:01:06,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 19:01:06,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:01:06,083 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 156 out of 203 [2024-11-08 19:01:06,084 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 193 places, 195 transitions, 527 flow. Second operand has 3 states, 3 states have (on average 161.66666666666666) internal successors, (485), 3 states have internal predecessors, (485), 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) [2024-11-08 19:01:06,084 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:01:06,085 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 156 of 203 [2024-11-08 19:01:06,085 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 19:01:06,522 INFO L124 PetriNetUnfolderBase]: 350/2164 cut-off events. [2024-11-08 19:01:06,522 INFO L125 PetriNetUnfolderBase]: For 457/461 co-relation queries the response was YES. [2024-11-08 19:01:06,527 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3584 conditions, 2164 events. 350/2164 cut-off events. For 457/461 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 16528 event pairs, 232 based on Foata normal form. 0/2035 useless extension candidates. Maximal degree in co-relation 3535. Up to 691 conditions per place. [2024-11-08 19:01:06,531 INFO L140 encePairwiseOnDemand]: 198/203 looper letters, 45 selfloop transitions, 3 changer transitions 12/210 dead transitions. [2024-11-08 19:01:06,532 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 195 places, 210 transitions, 681 flow [2024-11-08 19:01:06,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 19:01:06,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 19:01:06,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 518 transitions. [2024-11-08 19:01:06,534 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8505747126436781 [2024-11-08 19:01:06,534 INFO L175 Difference]: Start difference. First operand has 193 places, 195 transitions, 527 flow. Second operand 3 states and 518 transitions. [2024-11-08 19:01:06,534 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 195 places, 210 transitions, 681 flow [2024-11-08 19:01:06,537 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 193 places, 210 transitions, 673 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 19:01:06,540 INFO L231 Difference]: Finished difference. Result has 195 places, 191 transitions, 523 flow [2024-11-08 19:01:06,541 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=519, PETRI_DIFFERENCE_MINUEND_PLACES=191, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=195, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=192, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=523, PETRI_PLACES=195, PETRI_TRANSITIONS=191} [2024-11-08 19:01:06,541 INFO L277 CegarLoopForPetriNet]: 193 programPoint places, 2 predicate places. [2024-11-08 19:01:06,542 INFO L471 AbstractCegarLoop]: Abstraction has has 195 places, 191 transitions, 523 flow [2024-11-08 19:01:06,542 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 161.66666666666666) internal successors, (485), 3 states have internal predecessors, (485), 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) [2024-11-08 19:01:06,542 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:01:06,543 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:01:06,543 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-08 19:01:06,543 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-08 19:01:06,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:01:06,544 INFO L85 PathProgramCache]: Analyzing trace with hash 1779741485, now seen corresponding path program 1 times [2024-11-08 19:01:06,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:01:06,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110759527] [2024-11-08 19:01:06,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:01:06,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:01:06,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:01:06,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:01:06,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:01:06,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110759527] [2024-11-08 19:01:06,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [110759527] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:01:06,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:01:06,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 19:01:06,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486938073] [2024-11-08 19:01:06,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:01:06,866 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 19:01:06,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:01:06,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 19:01:06,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-08 19:01:06,963 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 203 [2024-11-08 19:01:06,965 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 195 places, 191 transitions, 523 flow. Second operand has 6 states, 6 states have (on average 165.5) internal successors, (993), 6 states have internal predecessors, (993), 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) [2024-11-08 19:01:06,966 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:01:06,966 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 203 [2024-11-08 19:01:06,966 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 19:01:07,344 INFO L124 PetriNetUnfolderBase]: 85/1268 cut-off events. [2024-11-08 19:01:07,344 INFO L125 PetriNetUnfolderBase]: For 217/218 co-relation queries the response was YES. [2024-11-08 19:01:07,347 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1974 conditions, 1268 events. 85/1268 cut-off events. For 217/218 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 7789 event pairs, 40 based on Foata normal form. 26/1256 useless extension candidates. Maximal degree in co-relation 1922. Up to 177 conditions per place. [2024-11-08 19:01:07,349 INFO L140 encePairwiseOnDemand]: 183/203 looper letters, 0 selfloop transitions, 0 changer transitions 192/192 dead transitions. [2024-11-08 19:01:07,349 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 193 places, 192 transitions, 595 flow [2024-11-08 19:01:07,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 19:01:07,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-08 19:01:07,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 864 transitions. [2024-11-08 19:01:07,353 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8512315270935961 [2024-11-08 19:01:07,353 INFO L175 Difference]: Start difference. First operand has 195 places, 191 transitions, 523 flow. Second operand 5 states and 864 transitions. [2024-11-08 19:01:07,353 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 193 places, 192 transitions, 595 flow [2024-11-08 19:01:07,357 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 183 places, 192 transitions, 553 flow, removed 11 selfloop flow, removed 10 redundant places. [2024-11-08 19:01:07,359 INFO L231 Difference]: Finished difference. Result has 183 places, 0 transitions, 0 flow [2024-11-08 19:01:07,359 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=409, PETRI_DIFFERENCE_MINUEND_PLACES=179, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=176, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=176, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=183, PETRI_TRANSITIONS=0} [2024-11-08 19:01:07,362 INFO L277 CegarLoopForPetriNet]: 193 programPoint places, -10 predicate places. [2024-11-08 19:01:07,362 INFO L471 AbstractCegarLoop]: Abstraction has has 183 places, 0 transitions, 0 flow [2024-11-08 19:01:07,363 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 165.5) internal successors, (993), 6 states have internal predecessors, (993), 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) [2024-11-08 19:01:07,369 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (20 of 21 remaining) [2024-11-08 19:01:07,370 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (19 of 21 remaining) [2024-11-08 19:01:07,370 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (18 of 21 remaining) [2024-11-08 19:01:07,370 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (17 of 21 remaining) [2024-11-08 19:01:07,371 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 21 remaining) [2024-11-08 19:01:07,371 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (15 of 21 remaining) [2024-11-08 19:01:07,371 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (14 of 21 remaining) [2024-11-08 19:01:07,371 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (13 of 21 remaining) [2024-11-08 19:01:07,372 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (12 of 21 remaining) [2024-11-08 19:01:07,372 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr4ASSERT_VIOLATIONDATA_RACE (11 of 21 remaining) [2024-11-08 19:01:07,372 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr5ASSERT_VIOLATIONDATA_RACE (10 of 21 remaining) [2024-11-08 19:01:07,372 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr6ASSERT_VIOLATIONDATA_RACE (9 of 21 remaining) [2024-11-08 19:01:07,372 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr7ASSERT_VIOLATIONDATA_RACE (8 of 21 remaining) [2024-11-08 19:01:07,373 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (7 of 21 remaining) [2024-11-08 19:01:07,377 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (6 of 21 remaining) [2024-11-08 19:01:07,377 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (5 of 21 remaining) [2024-11-08 19:01:07,378 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (4 of 21 remaining) [2024-11-08 19:01:07,378 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr4ASSERT_VIOLATIONDATA_RACE (3 of 21 remaining) [2024-11-08 19:01:07,378 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr5ASSERT_VIOLATIONDATA_RACE (2 of 21 remaining) [2024-11-08 19:01:07,378 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr6ASSERT_VIOLATIONDATA_RACE (1 of 21 remaining) [2024-11-08 19:01:07,378 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr7ASSERT_VIOLATIONDATA_RACE (0 of 21 remaining) [2024-11-08 19:01:07,379 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-08 19:01:07,379 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:01:07,389 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-08 19:01:07,390 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 19:01:07,400 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 07:01:07 BasicIcfg [2024-11-08 19:01:07,401 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 19:01:07,401 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 19:01:07,401 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 19:01:07,402 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 19:01:07,402 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:01:00" (3/4) ... [2024-11-08 19:01:07,406 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 19:01:07,412 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-11-08 19:01:07,419 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-08 19:01:07,420 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-08 19:01:07,420 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-08 19:01:07,420 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 19:01:07,530 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7db29111-2e95-4e72-836e-4697353698ca/bin/uautomizer-verify-jihMAELWvX/witness.graphml [2024-11-08 19:01:07,531 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7db29111-2e95-4e72-836e-4697353698ca/bin/uautomizer-verify-jihMAELWvX/witness.yml [2024-11-08 19:01:07,531 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 19:01:07,532 INFO L158 Benchmark]: Toolchain (without parser) took 9158.19ms. Allocated memory was 155.2MB in the beginning and 255.9MB in the end (delta: 100.7MB). Free memory was 116.4MB in the beginning and 98.9MB in the end (delta: 17.5MB). Peak memory consumption was 119.3MB. Max. memory is 16.1GB. [2024-11-08 19:01:07,534 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 115.3MB. Free memory is still 65.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:01:07,534 INFO L158 Benchmark]: CACSL2BoogieTranslator took 754.52ms. Allocated memory is still 155.2MB. Free memory was 116.4MB in the beginning and 93.4MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-08 19:01:07,537 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.23ms. Allocated memory is still 155.2MB. Free memory was 92.8MB in the beginning and 90.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:01:07,537 INFO L158 Benchmark]: Boogie Preprocessor took 43.95ms. Allocated memory is still 155.2MB. Free memory was 90.7MB in the beginning and 89.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:01:07,538 INFO L158 Benchmark]: RCFGBuilder took 922.55ms. Allocated memory is still 155.2MB. Free memory was 89.2MB in the beginning and 119.2MB in the end (delta: -30.0MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. [2024-11-08 19:01:07,538 INFO L158 Benchmark]: TraceAbstraction took 7226.16ms. Allocated memory was 155.2MB in the beginning and 255.9MB in the end (delta: 100.7MB). Free memory was 118.3MB in the beginning and 103.1MB in the end (delta: 15.2MB). Peak memory consumption was 115.5MB. Max. memory is 16.1GB. [2024-11-08 19:01:07,539 INFO L158 Benchmark]: Witness Printer took 129.65ms. Allocated memory is still 255.9MB. Free memory was 103.1MB in the beginning and 98.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 19:01:07,541 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 115.3MB. Free memory is still 65.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 754.52ms. Allocated memory is still 155.2MB. Free memory was 116.4MB in the beginning and 93.4MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.23ms. Allocated memory is still 155.2MB. Free memory was 92.8MB in the beginning and 90.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.95ms. Allocated memory is still 155.2MB. Free memory was 90.7MB in the beginning and 89.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 922.55ms. Allocated memory is still 155.2MB. Free memory was 89.2MB in the beginning and 119.2MB in the end (delta: -30.0MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. * TraceAbstraction took 7226.16ms. Allocated memory was 155.2MB in the beginning and 255.9MB in the end (delta: 100.7MB). Free memory was 118.3MB in the beginning and 103.1MB in the end (delta: 15.2MB). Peak memory consumption was 115.5MB. Max. memory is 16.1GB. * Witness Printer took 129.65ms. Allocated memory is still 255.9MB. Free memory was 103.1MB in the beginning and 98.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 709]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 713]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 716]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 720]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 688]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 688]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 691]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 691]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 696]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 696]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 699]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 699]: 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, 269 locations, 21 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: 7.0s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 514 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 322 mSDsluCounter, 60 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 75 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 789 IncrementalHoareTripleChecker+Invalid, 864 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 75 mSolverCounterUnsat, 54 mSDtfsCounter, 789 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=527occurred in iteration=6, InterpolantAutomatonStates: 28, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 541 NumberOfCodeBlocks, 541 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 533 ConstructedInterpolants, 0 QuantifiedInterpolants, 879 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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 - AllSpecificationsHoldResult: All specifications hold 12 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-08 19:01:07,582 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7db29111-2e95-4e72-836e-4697353698ca/bin/uautomizer-verify-jihMAELWvX/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