./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_neg.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a296ac1-0e5a-4d62-8994-3c928548dce7/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a296ac1-0e5a-4d62-8994-3c928548dce7/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a296ac1-0e5a-4d62-8994-3c928548dce7/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a296ac1-0e5a-4d62-8994-3c928548dce7/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_neg.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a296ac1-0e5a-4d62-8994-3c928548dce7/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a296ac1-0e5a-4d62-8994-3c928548dce7/bin/uautomizer-verify-qhAvR1uOyd --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 78eedbb170ccb94e306b53f35c5dd71f86d003c1abe4d157fc2c720e38b8df88 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 15:06:43,818 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 15:06:43,926 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a296ac1-0e5a-4d62-8994-3c928548dce7/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-13 15:06:43,935 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 15:06:43,935 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 15:06:43,964 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 15:06:43,964 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 15:06:43,965 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 15:06:43,966 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 15:06:43,967 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 15:06:43,968 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 15:06:43,968 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 15:06:43,968 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 15:06:43,969 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 15:06:43,969 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 15:06:43,969 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 15:06:43,969 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 15:06:43,969 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 15:06:43,969 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 15:06:43,969 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 15:06:43,969 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 15:06:43,969 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 15:06:43,969 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-13 15:06:43,970 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 15:06:43,970 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 15:06:43,970 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 15:06:43,970 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 15:06:43,970 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 15:06:43,970 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 15:06:43,970 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 15:06:43,970 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 15:06:43,970 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:06:43,970 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 15:06:43,971 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 15:06:43,971 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 15:06:43,972 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 15:06:43,972 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 15:06:43,972 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 15:06:43,972 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 15:06:43,972 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 15:06:43,972 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 15:06:43,972 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a296ac1-0e5a-4d62-8994-3c928548dce7/bin/uautomizer-verify-qhAvR1uOyd 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 -> 78eedbb170ccb94e306b53f35c5dd71f86d003c1abe4d157fc2c720e38b8df88 [2024-11-13 15:06:44,324 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 15:06:44,335 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 15:06:44,340 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 15:06:44,342 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 15:06:44,342 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 15:06:44,344 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a296ac1-0e5a-4d62-8994-3c928548dce7/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_neg.i Unable to find full path for "g++" [2024-11-13 15:06:46,275 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 15:06:46,651 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 15:06:46,656 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a296ac1-0e5a-4d62-8994-3c928548dce7/sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_neg.i [2024-11-13 15:06:46,686 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a296ac1-0e5a-4d62-8994-3c928548dce7/bin/uautomizer-verify-qhAvR1uOyd/data/391912fdd/20bcc0f034cb4c6d86223abdfce5ebef/FLAG498a70377 [2024-11-13 15:06:46,700 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a296ac1-0e5a-4d62-8994-3c928548dce7/bin/uautomizer-verify-qhAvR1uOyd/data/391912fdd/20bcc0f034cb4c6d86223abdfce5ebef [2024-11-13 15:06:46,703 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 15:06:46,705 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 15:06:46,706 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 15:06:46,706 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 15:06:46,711 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 15:06:46,712 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:06:46" (1/1) ... [2024-11-13 15:06:46,713 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61538b73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:06:46, skipping insertion in model container [2024-11-13 15:06:46,713 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:06:46" (1/1) ... [2024-11-13 15:06:46,764 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 15:06:47,413 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:06:47,444 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 15:06:47,540 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:06:47,636 INFO L204 MainTranslator]: Completed translation [2024-11-13 15:06:47,636 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:06:47 WrapperNode [2024-11-13 15:06:47,636 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 15:06:47,637 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 15:06:47,637 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 15:06:47,637 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 15:06:47,645 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:06:47" (1/1) ... [2024-11-13 15:06:47,676 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:06:47" (1/1) ... [2024-11-13 15:06:47,713 INFO L138 Inliner]: procedures = 357, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 175 [2024-11-13 15:06:47,717 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 15:06:47,718 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 15:06:47,718 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 15:06:47,718 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 15:06:47,728 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:06:47" (1/1) ... [2024-11-13 15:06:47,728 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:06:47" (1/1) ... [2024-11-13 15:06:47,741 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:06:47" (1/1) ... [2024-11-13 15:06:47,744 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:06:47" (1/1) ... [2024-11-13 15:06:47,767 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:06:47" (1/1) ... [2024-11-13 15:06:47,773 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:06:47" (1/1) ... [2024-11-13 15:06:47,778 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:06:47" (1/1) ... [2024-11-13 15:06:47,780 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:06:47" (1/1) ... [2024-11-13 15:06:47,786 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 15:06:47,787 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 15:06:47,787 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 15:06:47,787 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 15:06:47,788 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:06:47" (1/1) ... [2024-11-13 15:06:47,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:06:47,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a296ac1-0e5a-4d62-8994-3c928548dce7/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:06:47,835 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a296ac1-0e5a-4d62-8994-3c928548dce7/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 15:06:47,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a296ac1-0e5a-4d62-8994-3c928548dce7/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 15:06:47,875 INFO L130 BoogieDeclarations]: Found specification of procedure f1 [2024-11-13 15:06:47,875 INFO L138 BoogieDeclarations]: Found implementation of procedure f1 [2024-11-13 15:06:47,876 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2024-11-13 15:06:47,876 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2024-11-13 15:06:47,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-13 15:06:47,876 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-13 15:06:47,876 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-13 15:06:47,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 15:06:47,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 15:06:47,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 15:06:47,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 15:06:47,878 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-13 15:06:48,215 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 15:06:48,217 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 15:06:48,576 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 15:06:48,577 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 15:06:48,625 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 15:06:48,626 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 15:06:48,626 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:06:48 BoogieIcfgContainer [2024-11-13 15:06:48,626 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 15:06:48,632 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 15:06:48,632 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 15:06:48,641 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 15:06:48,641 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 03:06:46" (1/3) ... [2024-11-13 15:06:48,642 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dfbf7ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:06:48, skipping insertion in model container [2024-11-13 15:06:48,643 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:06:47" (2/3) ... [2024-11-13 15:06:48,643 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dfbf7ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:06:48, skipping insertion in model container [2024-11-13 15:06:48,643 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:06:48" (3/3) ... [2024-11-13 15:06:48,645 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_67-pthread_cond_wait_unknown_1_neg.i [2024-11-13 15:06:48,666 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 15:06:48,668 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG 13-privatized_67-pthread_cond_wait_unknown_1_neg.i that has 3 procedures, 215 locations, 1 initial locations, 0 loop locations, and 5 error locations. [2024-11-13 15:06:48,669 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-13 15:06:48,786 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-13 15:06:48,851 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 221 places, 216 transitions, 446 flow [2024-11-13 15:06:49,002 INFO L124 PetriNetUnfolderBase]: 2/214 cut-off events. [2024-11-13 15:06:49,005 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-13 15:06:49,015 INFO L83 FinitePrefix]: Finished finitePrefix Result has 223 conditions, 214 events. 2/214 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 103 event pairs, 0 based on Foata normal form. 0/207 useless extension candidates. Maximal degree in co-relation 68. Up to 2 conditions per place. [2024-11-13 15:06:49,015 INFO L82 GeneralOperation]: Start removeDead. Operand has 221 places, 216 transitions, 446 flow [2024-11-13 15:06:49,024 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 213 places, 208 transitions, 425 flow [2024-11-13 15:06:49,033 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 15:06:49,051 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;@57b52b5b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 15:06:49,051 INFO L334 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2024-11-13 15:06:49,094 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-13 15:06:49,094 INFO L124 PetriNetUnfolderBase]: 0/153 cut-off events. [2024-11-13 15:06:49,094 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 15:06:49,094 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:06:49,095 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:06:49,096 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting f1Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 10 more)] === [2024-11-13 15:06:49,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:06:49,101 INFO L85 PathProgramCache]: Analyzing trace with hash 416746356, now seen corresponding path program 1 times [2024-11-13 15:06:49,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:06:49,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520684175] [2024-11-13 15:06:49,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:06:49,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:06:49,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:49,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:06:49,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:06:49,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520684175] [2024-11-13 15:06:49,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [520684175] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:06:49,840 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:06:49,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:06:49,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135325640] [2024-11-13 15:06:49,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:06:49,854 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:06:49,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:06:49,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:06:49,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:06:49,962 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 194 out of 216 [2024-11-13 15:06:49,969 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 213 places, 208 transitions, 425 flow. Second operand has 3 states, 3 states have (on average 195.66666666666666) internal successors, (587), 3 states have internal predecessors, (587), 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) [2024-11-13 15:06:49,969 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:06:49,969 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 194 of 216 [2024-11-13 15:06:49,972 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:06:50,191 INFO L124 PetriNetUnfolderBase]: 60/444 cut-off events. [2024-11-13 15:06:50,192 INFO L125 PetriNetUnfolderBase]: For 27/27 co-relation queries the response was YES. [2024-11-13 15:06:50,193 INFO L83 FinitePrefix]: Finished finitePrefix Result has 617 conditions, 444 events. 60/444 cut-off events. For 27/27 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1625 event pairs, 45 based on Foata normal form. 23/433 useless extension candidates. Maximal degree in co-relation 446. Up to 120 conditions per place. [2024-11-13 15:06:50,198 INFO L140 encePairwiseOnDemand]: 208/216 looper letters, 20 selfloop transitions, 5 changer transitions 0/211 dead transitions. [2024-11-13 15:06:50,199 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 213 places, 211 transitions, 484 flow [2024-11-13 15:06:50,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:06:50,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:06:50,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 612 transitions. [2024-11-13 15:06:50,221 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9444444444444444 [2024-11-13 15:06:50,223 INFO L175 Difference]: Start difference. First operand has 213 places, 208 transitions, 425 flow. Second operand 3 states and 612 transitions. [2024-11-13 15:06:50,224 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 213 places, 211 transitions, 484 flow [2024-11-13 15:06:50,258 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 210 places, 211 transitions, 478 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-13 15:06:50,265 INFO L231 Difference]: Finished difference. Result has 212 places, 208 transitions, 450 flow [2024-11-13 15:06:50,268 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=216, PETRI_DIFFERENCE_MINUEND_FLOW=412, PETRI_DIFFERENCE_MINUEND_PLACES=208, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=204, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=199, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=450, PETRI_PLACES=212, PETRI_TRANSITIONS=208} [2024-11-13 15:06:50,274 INFO L277 CegarLoopForPetriNet]: 213 programPoint places, -1 predicate places. [2024-11-13 15:06:50,274 INFO L471 AbstractCegarLoop]: Abstraction has has 212 places, 208 transitions, 450 flow [2024-11-13 15:06:50,275 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 195.66666666666666) internal successors, (587), 3 states have internal predecessors, (587), 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) [2024-11-13 15:06:50,275 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:06:50,275 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:06:50,276 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 15:06:50,276 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting f2Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 10 more)] === [2024-11-13 15:06:50,277 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:06:50,277 INFO L85 PathProgramCache]: Analyzing trace with hash -1147122757, now seen corresponding path program 1 times [2024-11-13 15:06:50,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:06:50,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479926869] [2024-11-13 15:06:50,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:06:50,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:06:50,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:50,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:06:50,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:06:50,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479926869] [2024-11-13 15:06:50,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1479926869] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:06:50,554 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:06:50,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:06:50,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456564349] [2024-11-13 15:06:50,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:06:50,555 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:06:50,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:06:50,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:06:50,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:06:50,596 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 194 out of 216 [2024-11-13 15:06:50,597 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 212 places, 208 transitions, 450 flow. Second operand has 3 states, 3 states have (on average 195.66666666666666) internal successors, (587), 3 states have internal predecessors, (587), 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) [2024-11-13 15:06:50,598 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:06:50,598 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 194 of 216 [2024-11-13 15:06:50,598 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:06:50,774 INFO L124 PetriNetUnfolderBase]: 82/618 cut-off events. [2024-11-13 15:06:50,774 INFO L125 PetriNetUnfolderBase]: For 77/86 co-relation queries the response was YES. [2024-11-13 15:06:50,776 INFO L83 FinitePrefix]: Finished finitePrefix Result has 912 conditions, 618 events. 82/618 cut-off events. For 77/86 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 2885 event pairs, 35 based on Foata normal form. 1/571 useless extension candidates. Maximal degree in co-relation 685. Up to 116 conditions per place. [2024-11-13 15:06:50,779 INFO L140 encePairwiseOnDemand]: 207/216 looper letters, 27 selfloop transitions, 9 changer transitions 0/224 dead transitions. [2024-11-13 15:06:50,779 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 214 places, 224 transitions, 569 flow [2024-11-13 15:06:50,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:06:50,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:06:50,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 617 transitions. [2024-11-13 15:06:50,782 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9521604938271605 [2024-11-13 15:06:50,782 INFO L175 Difference]: Start difference. First operand has 212 places, 208 transitions, 450 flow. Second operand 3 states and 617 transitions. [2024-11-13 15:06:50,782 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 214 places, 224 transitions, 569 flow [2024-11-13 15:06:50,784 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 212 places, 224 transitions, 555 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 15:06:50,788 INFO L231 Difference]: Finished difference. Result has 214 places, 216 transitions, 520 flow [2024-11-13 15:06:50,788 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=216, PETRI_DIFFERENCE_MINUEND_FLOW=440, PETRI_DIFFERENCE_MINUEND_PLACES=210, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=208, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=199, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=520, PETRI_PLACES=214, PETRI_TRANSITIONS=216} [2024-11-13 15:06:50,789 INFO L277 CegarLoopForPetriNet]: 213 programPoint places, 1 predicate places. [2024-11-13 15:06:50,789 INFO L471 AbstractCegarLoop]: Abstraction has has 214 places, 216 transitions, 520 flow [2024-11-13 15:06:50,790 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 195.66666666666666) internal successors, (587), 3 states have internal predecessors, (587), 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) [2024-11-13 15:06:50,790 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:06:50,790 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:06:50,790 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 15:06:50,790 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting f1Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 10 more)] === [2024-11-13 15:06:50,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:06:50,791 INFO L85 PathProgramCache]: Analyzing trace with hash -1304614046, now seen corresponding path program 1 times [2024-11-13 15:06:50,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:06:50,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199569314] [2024-11-13 15:06:50,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:06:50,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:06:50,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:51,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:06:51,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:06:51,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199569314] [2024-11-13 15:06:51,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199569314] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:06:51,229 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:06:51,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 15:06:51,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283543299] [2024-11-13 15:06:51,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:06:51,230 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:06:51,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:06:51,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:06:51,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:06:51,255 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 202 out of 216 [2024-11-13 15:06:51,256 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 214 places, 216 transitions, 520 flow. Second operand has 3 states, 3 states have (on average 203.66666666666666) internal successors, (611), 3 states have internal predecessors, (611), 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) [2024-11-13 15:06:51,257 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:06:51,257 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 202 of 216 [2024-11-13 15:06:51,257 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:06:51,347 INFO L124 PetriNetUnfolderBase]: 8/293 cut-off events. [2024-11-13 15:06:51,347 INFO L125 PetriNetUnfolderBase]: For 27/27 co-relation queries the response was YES. [2024-11-13 15:06:51,348 INFO L83 FinitePrefix]: Finished finitePrefix Result has 378 conditions, 293 events. 8/293 cut-off events. For 27/27 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 407 event pairs, 2 based on Foata normal form. 4/287 useless extension candidates. Maximal degree in co-relation 207. Up to 18 conditions per place. [2024-11-13 15:06:51,349 INFO L140 encePairwiseOnDemand]: 210/216 looper letters, 6 selfloop transitions, 6 changer transitions 3/203 dead transitions. [2024-11-13 15:06:51,349 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 213 places, 203 transitions, 469 flow [2024-11-13 15:06:51,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:06:51,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:06:51,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 621 transitions. [2024-11-13 15:06:51,353 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9583333333333334 [2024-11-13 15:06:51,353 INFO L175 Difference]: Start difference. First operand has 214 places, 216 transitions, 520 flow. Second operand 3 states and 621 transitions. [2024-11-13 15:06:51,353 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 213 places, 203 transitions, 469 flow [2024-11-13 15:06:51,358 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 207 places, 203 transitions, 437 flow, removed 6 selfloop flow, removed 6 redundant places. [2024-11-13 15:06:51,361 INFO L231 Difference]: Finished difference. Result has 207 places, 198 transitions, 412 flow [2024-11-13 15:06:51,362 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=216, PETRI_DIFFERENCE_MINUEND_FLOW=406, PETRI_DIFFERENCE_MINUEND_PLACES=205, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=201, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=195, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=412, PETRI_PLACES=207, PETRI_TRANSITIONS=198} [2024-11-13 15:06:51,364 INFO L277 CegarLoopForPetriNet]: 213 programPoint places, -6 predicate places. [2024-11-13 15:06:51,364 INFO L471 AbstractCegarLoop]: Abstraction has has 207 places, 198 transitions, 412 flow [2024-11-13 15:06:51,365 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 203.66666666666666) internal successors, (611), 3 states have internal predecessors, (611), 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) [2024-11-13 15:06:51,365 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:06:51,366 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:06:51,366 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 15:06:51,366 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting f1Err2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 10 more)] === [2024-11-13 15:06:51,367 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:06:51,368 INFO L85 PathProgramCache]: Analyzing trace with hash -1962362776, now seen corresponding path program 1 times [2024-11-13 15:06:51,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:06:51,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050660880] [2024-11-13 15:06:51,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:06:51,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:06:51,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:51,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:06:51,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:06:51,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050660880] [2024-11-13 15:06:51,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050660880] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:06:51,578 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:06:51,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:06:51,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373882365] [2024-11-13 15:06:51,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:06:51,579 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:06:51,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:06:51,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:06:51,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:06:51,623 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 194 out of 216 [2024-11-13 15:06:51,624 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 198 transitions, 412 flow. Second operand has 3 states, 3 states have (on average 197.0) internal successors, (591), 3 states have internal predecessors, (591), 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) [2024-11-13 15:06:51,624 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:06:51,625 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 194 of 216 [2024-11-13 15:06:51,625 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:06:51,715 INFO L124 PetriNetUnfolderBase]: 16/310 cut-off events. [2024-11-13 15:06:51,716 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2024-11-13 15:06:51,717 INFO L83 FinitePrefix]: Finished finitePrefix Result has 419 conditions, 310 events. 16/310 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 563 event pairs, 14 based on Foata normal form. 0/303 useless extension candidates. Maximal degree in co-relation 185. Up to 56 conditions per place. [2024-11-13 15:06:51,719 INFO L140 encePairwiseOnDemand]: 213/216 looper letters, 15 selfloop transitions, 2 changer transitions 4/198 dead transitions. [2024-11-13 15:06:51,719 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 205 places, 198 transitions, 450 flow [2024-11-13 15:06:51,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:06:51,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:06:51,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 601 transitions. [2024-11-13 15:06:51,722 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9274691358024691 [2024-11-13 15:06:51,724 INFO L175 Difference]: Start difference. First operand has 207 places, 198 transitions, 412 flow. Second operand 3 states and 601 transitions. [2024-11-13 15:06:51,725 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 205 places, 198 transitions, 450 flow [2024-11-13 15:06:51,727 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 204 places, 198 transitions, 444 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 15:06:51,730 INFO L231 Difference]: Finished difference. Result has 204 places, 193 transitions, 399 flow [2024-11-13 15:06:51,731 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=216, PETRI_DIFFERENCE_MINUEND_FLOW=404, PETRI_DIFFERENCE_MINUEND_PLACES=202, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=197, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=195, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=399, PETRI_PLACES=204, PETRI_TRANSITIONS=193} [2024-11-13 15:06:51,733 INFO L277 CegarLoopForPetriNet]: 213 programPoint places, -9 predicate places. [2024-11-13 15:06:51,733 INFO L471 AbstractCegarLoop]: Abstraction has has 204 places, 193 transitions, 399 flow [2024-11-13 15:06:51,734 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 197.0) internal successors, (591), 3 states have internal predecessors, (591), 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) [2024-11-13 15:06:51,734 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:06:51,734 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:06:51,735 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 15:06:51,736 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting f2Err1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 10 more)] === [2024-11-13 15:06:51,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:06:51,738 INFO L85 PathProgramCache]: Analyzing trace with hash 893517637, now seen corresponding path program 1 times [2024-11-13 15:06:51,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:06:51,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635264179] [2024-11-13 15:06:51,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:06:51,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:06:51,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:06:51,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:06:51,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:06:51,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635264179] [2024-11-13 15:06:51,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1635264179] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:06:51,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:06:51,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:06:51,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631325878] [2024-11-13 15:06:51,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:06:51,925 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:06:51,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:06:51,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:06:51,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:06:51,971 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 194 out of 216 [2024-11-13 15:06:51,972 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 204 places, 193 transitions, 399 flow. Second operand has 3 states, 3 states have (on average 196.33333333333334) internal successors, (589), 3 states have internal predecessors, (589), 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) [2024-11-13 15:06:51,972 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:06:51,973 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 194 of 216 [2024-11-13 15:06:51,973 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:06:52,052 INFO L124 PetriNetUnfolderBase]: 13/274 cut-off events. [2024-11-13 15:06:52,052 INFO L125 PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES. [2024-11-13 15:06:52,053 INFO L83 FinitePrefix]: Finished finitePrefix Result has 357 conditions, 274 events. 13/274 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 382 event pairs, 11 based on Foata normal form. 0/271 useless extension candidates. Maximal degree in co-relation 265. Up to 45 conditions per place. [2024-11-13 15:06:52,054 INFO L140 encePairwiseOnDemand]: 213/216 looper letters, 0 selfloop transitions, 0 changer transitions 193/193 dead transitions. [2024-11-13 15:06:52,054 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 201 places, 193 transitions, 434 flow [2024-11-13 15:06:52,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:06:52,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:06:52,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 600 transitions. [2024-11-13 15:06:52,058 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9259259259259259 [2024-11-13 15:06:52,059 INFO L175 Difference]: Start difference. First operand has 204 places, 193 transitions, 399 flow. Second operand 3 states and 600 transitions. [2024-11-13 15:06:52,059 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 201 places, 193 transitions, 434 flow [2024-11-13 15:06:52,060 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 199 places, 193 transitions, 430 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 15:06:52,061 INFO L231 Difference]: Finished difference. Result has 199 places, 0 transitions, 0 flow [2024-11-13 15:06:52,062 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=216, PETRI_DIFFERENCE_MINUEND_FLOW=393, PETRI_DIFFERENCE_MINUEND_PLACES=197, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=192, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=192, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=199, PETRI_TRANSITIONS=0} [2024-11-13 15:06:52,062 INFO L277 CegarLoopForPetriNet]: 213 programPoint places, -14 predicate places. [2024-11-13 15:06:52,063 INFO L471 AbstractCegarLoop]: Abstraction has has 199 places, 0 transitions, 0 flow [2024-11-13 15:06:52,064 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 196.33333333333334) internal successors, (589), 3 states have internal predecessors, (589), 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) [2024-11-13 15:06:52,067 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 12 remaining) [2024-11-13 15:06:52,067 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 12 remaining) [2024-11-13 15:06:52,067 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f1Err0ASSERT_VIOLATIONDATA_RACE (9 of 12 remaining) [2024-11-13 15:06:52,067 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f1Err1ASSERT_VIOLATIONDATA_RACE (8 of 12 remaining) [2024-11-13 15:06:52,067 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f1Err2ASSERT_VIOLATIONDATA_RACE (7 of 12 remaining) [2024-11-13 15:06:52,067 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f2Err0ASSERT_VIOLATIONDATA_RACE (6 of 12 remaining) [2024-11-13 15:06:52,067 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f2Err1ASSERT_VIOLATIONDATA_RACE (5 of 12 remaining) [2024-11-13 15:06:52,067 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f1Err0ASSERT_VIOLATIONDATA_RACE (4 of 12 remaining) [2024-11-13 15:06:52,068 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f1Err1ASSERT_VIOLATIONDATA_RACE (3 of 12 remaining) [2024-11-13 15:06:52,068 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f1Err2ASSERT_VIOLATIONDATA_RACE (2 of 12 remaining) [2024-11-13 15:06:52,068 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f2Err0ASSERT_VIOLATIONDATA_RACE (1 of 12 remaining) [2024-11-13 15:06:52,068 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f2Err1ASSERT_VIOLATIONDATA_RACE (0 of 12 remaining) [2024-11-13 15:06:52,068 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 15:06:52,068 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-13 15:06:52,076 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-13 15:06:52,076 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 15:06:52,082 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 03:06:52 BasicIcfg [2024-11-13 15:06:52,083 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 15:06:52,085 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 15:06:52,085 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 15:06:52,085 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 15:06:52,088 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:06:48" (3/4) ... [2024-11-13 15:06:52,090 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 15:06:52,096 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure f1 [2024-11-13 15:06:52,096 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure f2 [2024-11-13 15:06:52,104 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-13 15:06:52,105 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-13 15:06:52,105 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 15:06:52,105 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 15:06:52,207 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a296ac1-0e5a-4d62-8994-3c928548dce7/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 15:06:52,207 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a296ac1-0e5a-4d62-8994-3c928548dce7/bin/uautomizer-verify-qhAvR1uOyd/witness.yml [2024-11-13 15:06:52,207 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 15:06:52,208 INFO L158 Benchmark]: Toolchain (without parser) took 5503.92ms. Allocated memory was 117.4MB in the beginning and 159.4MB in the end (delta: 41.9MB). Free memory was 90.3MB in the beginning and 105.1MB in the end (delta: -14.8MB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB. [2024-11-13 15:06:52,209 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 117.4MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:06:52,209 INFO L158 Benchmark]: CACSL2BoogieTranslator took 930.72ms. Allocated memory is still 117.4MB. Free memory was 90.1MB in the beginning and 51.7MB in the end (delta: 38.4MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-13 15:06:52,209 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.95ms. Allocated memory is still 117.4MB. Free memory was 51.7MB in the beginning and 48.9MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:06:52,210 INFO L158 Benchmark]: Boogie Preprocessor took 68.22ms. Allocated memory is still 117.4MB. Free memory was 48.9MB in the beginning and 46.1MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:06:52,210 INFO L158 Benchmark]: RCFGBuilder took 839.56ms. Allocated memory is still 117.4MB. Free memory was 45.9MB in the beginning and 73.2MB in the end (delta: -27.3MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. [2024-11-13 15:06:52,210 INFO L158 Benchmark]: TraceAbstraction took 3451.38ms. Allocated memory was 117.4MB in the beginning and 159.4MB in the end (delta: 41.9MB). Free memory was 72.7MB in the beginning and 110.3MB in the end (delta: -37.6MB). Peak memory consumption was 77.2MB. Max. memory is 16.1GB. [2024-11-13 15:06:52,211 INFO L158 Benchmark]: Witness Printer took 122.59ms. Allocated memory is still 159.4MB. Free memory was 110.3MB in the beginning and 105.1MB in the end (delta: 5.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:06:52,213 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 117.4MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 930.72ms. Allocated memory is still 117.4MB. Free memory was 90.1MB in the beginning and 51.7MB in the end (delta: 38.4MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.95ms. Allocated memory is still 117.4MB. Free memory was 51.7MB in the beginning and 48.9MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 68.22ms. Allocated memory is still 117.4MB. Free memory was 48.9MB in the beginning and 46.1MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 839.56ms. Allocated memory is still 117.4MB. Free memory was 45.9MB in the beginning and 73.2MB in the end (delta: -27.3MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. * TraceAbstraction took 3451.38ms. Allocated memory was 117.4MB in the beginning and 159.4MB in the end (delta: 41.9MB). Free memory was 72.7MB in the beginning and 110.3MB in the end (delta: -37.6MB). Peak memory consumption was 77.2MB. Max. memory is 16.1GB. * Witness Printer took 122.59ms. Allocated memory is still 159.4MB. Free memory was 110.3MB in the beginning and 105.1MB in the end (delta: 5.2MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1356]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1358]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1359]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1365]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1366]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 274 locations, 12 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: 3.2s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 162 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 57 mSDsluCounter, 38 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 218 IncrementalHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 38 mSDtfsCounter, 218 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=520occurred in iteration=2, InterpolantAutomatonStates: 15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 784 NumberOfCodeBlocks, 784 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 779 ConstructedInterpolants, 0 QuantifiedInterpolants, 793 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-13 15:06:52,248 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a296ac1-0e5a-4d62-8994-3c928548dce7/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE