./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_30-traces-oplus-vs-meet_true.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_56c01f5e-5a24-4b74-b62d-df50835bc820/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c01f5e-5a24-4b74-b62d-df50835bc820/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_56c01f5e-5a24-4b74-b62d-df50835bc820/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c01f5e-5a24-4b74-b62d-df50835bc820/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_30-traces-oplus-vs-meet_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c01f5e-5a24-4b74-b62d-df50835bc820/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_56c01f5e-5a24-4b74-b62d-df50835bc820/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 9f8eb81fe04afedf177636b6e0b2ff7ec90c549122dc143b3ac2872279b10356 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 14:33:30,381 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 14:33:30,499 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c01f5e-5a24-4b74-b62d-df50835bc820/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-13 14:33:30,512 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 14:33:30,512 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 14:33:30,549 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 14:33:30,550 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 14:33:30,551 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 14:33:30,551 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 14:33:30,551 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 14:33:30,552 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 14:33:30,552 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 14:33:30,552 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 14:33:30,553 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 14:33:30,553 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 14:33:30,553 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 14:33:30,555 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 14:33:30,555 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 14:33:30,555 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 14:33:30,556 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 14:33:30,556 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 14:33:30,556 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 14:33:30,556 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-13 14:33:30,556 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 14:33:30,556 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 14:33:30,557 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 14:33:30,557 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 14:33:30,557 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 14:33:30,557 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 14:33:30,557 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 14:33:30,557 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 14:33:30,558 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:33:30,558 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 14:33:30,558 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 14:33:30,558 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 14:33:30,558 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 14:33:30,558 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 14:33:30,558 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 14:33:30,558 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 14:33:30,559 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 14:33:30,559 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 14:33:30,559 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_56c01f5e-5a24-4b74-b62d-df50835bc820/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 -> 9f8eb81fe04afedf177636b6e0b2ff7ec90c549122dc143b3ac2872279b10356 [2024-11-13 14:33:30,969 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 14:33:30,980 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 14:33:30,983 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 14:33:30,984 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 14:33:30,984 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 14:33:30,986 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c01f5e-5a24-4b74-b62d-df50835bc820/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/goblint-regression/13-privatized_30-traces-oplus-vs-meet_true.i Unable to find full path for "g++" [2024-11-13 14:33:33,475 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 14:33:33,840 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 14:33:33,842 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c01f5e-5a24-4b74-b62d-df50835bc820/sv-benchmarks/c/goblint-regression/13-privatized_30-traces-oplus-vs-meet_true.i [2024-11-13 14:33:33,857 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c01f5e-5a24-4b74-b62d-df50835bc820/bin/uautomizer-verify-qhAvR1uOyd/data/294a91946/1456f0962a7a40feb9bcf417ebe117be/FLAG0e84ecf56 [2024-11-13 14:33:33,884 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c01f5e-5a24-4b74-b62d-df50835bc820/bin/uautomizer-verify-qhAvR1uOyd/data/294a91946/1456f0962a7a40feb9bcf417ebe117be [2024-11-13 14:33:33,887 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 14:33:33,889 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 14:33:33,892 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 14:33:33,893 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 14:33:33,899 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 14:33:33,900 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:33:33" (1/1) ... [2024-11-13 14:33:33,901 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f45b44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:33, skipping insertion in model container [2024-11-13 14:33:33,901 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:33:33" (1/1) ... [2024-11-13 14:33:33,956 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 14:33:34,334 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:33:34,365 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 14:33:34,434 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:33:34,483 INFO L204 MainTranslator]: Completed translation [2024-11-13 14:33:34,483 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:34 WrapperNode [2024-11-13 14:33:34,484 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 14:33:34,485 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 14:33:34,485 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 14:33:34,485 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 14:33:34,492 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:34" (1/1) ... [2024-11-13 14:33:34,510 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:34" (1/1) ... [2024-11-13 14:33:34,537 INFO L138 Inliner]: procedures = 165, calls = 38, calls flagged for inlining = 5, calls inlined = 6, statements flattened = 71 [2024-11-13 14:33:34,540 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 14:33:34,541 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 14:33:34,541 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 14:33:34,541 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 14:33:34,549 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:34" (1/1) ... [2024-11-13 14:33:34,551 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:34" (1/1) ... [2024-11-13 14:33:34,554 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:34" (1/1) ... [2024-11-13 14:33:34,554 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:34" (1/1) ... [2024-11-13 14:33:34,559 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:34" (1/1) ... [2024-11-13 14:33:34,561 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:34" (1/1) ... [2024-11-13 14:33:34,563 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:34" (1/1) ... [2024-11-13 14:33:34,564 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:34" (1/1) ... [2024-11-13 14:33:34,566 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 14:33:34,567 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 14:33:34,567 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 14:33:34,567 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 14:33:34,568 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:34" (1/1) ... [2024-11-13 14:33:34,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:33:34,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c01f5e-5a24-4b74-b62d-df50835bc820/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:33:34,604 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c01f5e-5a24-4b74-b62d-df50835bc820/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 14:33:34,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c01f5e-5a24-4b74-b62d-df50835bc820/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 14:33:34,636 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-13 14:33:34,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 14:33:34,637 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-13 14:33:34,637 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-13 14:33:34,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-13 14:33:34,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 14:33:34,637 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-13 14:33:34,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 14:33:34,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 14:33:34,639 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 14:33:34,792 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 14:33:34,795 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 14:33:35,013 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 14:33:35,014 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 14:33:35,050 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 14:33:35,051 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 14:33:35,051 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:33:35 BoogieIcfgContainer [2024-11-13 14:33:35,051 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 14:33:35,054 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 14:33:35,054 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 14:33:35,059 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 14:33:35,059 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:33:33" (1/3) ... [2024-11-13 14:33:35,060 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c3e371c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:33:35, skipping insertion in model container [2024-11-13 14:33:35,060 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:34" (2/3) ... [2024-11-13 14:33:35,060 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c3e371c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:33:35, skipping insertion in model container [2024-11-13 14:33:35,060 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:33:35" (3/3) ... [2024-11-13 14:33:35,062 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_30-traces-oplus-vs-meet_true.i [2024-11-13 14:33:35,078 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 14:33:35,080 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG 13-privatized_30-traces-oplus-vs-meet_true.i that has 2 procedures, 106 locations, 1 initial locations, 0 loop locations, and 4 error locations. [2024-11-13 14:33:35,080 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-13 14:33:35,140 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-13 14:33:35,191 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 109 places, 109 transitions, 225 flow [2024-11-13 14:33:35,246 INFO L124 PetriNetUnfolderBase]: 4/108 cut-off events. [2024-11-13 14:33:35,248 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-13 14:33:35,253 INFO L83 FinitePrefix]: Finished finitePrefix Result has 113 conditions, 108 events. 4/108 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 82 event pairs, 0 based on Foata normal form. 0/100 useless extension candidates. Maximal degree in co-relation 53. Up to 2 conditions per place. [2024-11-13 14:33:35,254 INFO L82 GeneralOperation]: Start removeDead. Operand has 109 places, 109 transitions, 225 flow [2024-11-13 14:33:35,258 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 103 places, 103 transitions, 209 flow [2024-11-13 14:33:35,267 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 14:33:35,279 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;@6a7f8ce9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 14:33:35,280 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-13 14:33:35,314 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-13 14:33:35,316 INFO L124 PetriNetUnfolderBase]: 0/31 cut-off events. [2024-11-13 14:33:35,316 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 14:33:35,317 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:33:35,317 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] [2024-11-13 14:33:35,319 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 14:33:35,324 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:33:35,324 INFO L85 PathProgramCache]: Analyzing trace with hash 1786772325, now seen corresponding path program 1 times [2024-11-13 14:33:35,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:33:35,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045658781] [2024-11-13 14:33:35,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:33:35,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:33:35,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:35,636 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 14:33:35,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:33:35,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045658781] [2024-11-13 14:33:35,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045658781] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:33:35,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:33:35,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:33:35,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530530098] [2024-11-13 14:33:35,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:33:35,661 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:33:35,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:33:35,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:33:35,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:33:35,754 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 109 [2024-11-13 14:33:35,758 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 103 transitions, 209 flow. Second operand has 3 states, 3 states have (on average 83.66666666666667) internal successors, (251), 3 states have internal predecessors, (251), 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 14:33:35,758 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:33:35,758 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 109 [2024-11-13 14:33:35,759 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:33:36,066 INFO L124 PetriNetUnfolderBase]: 67/422 cut-off events. [2024-11-13 14:33:36,066 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-13 14:33:36,068 INFO L83 FinitePrefix]: Finished finitePrefix Result has 589 conditions, 422 events. 67/422 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2111 event pairs, 17 based on Foata normal form. 32/418 useless extension candidates. Maximal degree in co-relation 536. Up to 82 conditions per place. [2024-11-13 14:33:36,073 INFO L140 encePairwiseOnDemand]: 98/109 looper letters, 22 selfloop transitions, 5 changer transitions 5/105 dead transitions. [2024-11-13 14:33:36,073 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 105 transitions, 271 flow [2024-11-13 14:33:36,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:33:36,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 14:33:36,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 286 transitions. [2024-11-13 14:33:36,097 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8746177370030581 [2024-11-13 14:33:36,100 INFO L175 Difference]: Start difference. First operand has 103 places, 103 transitions, 209 flow. Second operand 3 states and 286 transitions. [2024-11-13 14:33:36,102 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 105 transitions, 271 flow [2024-11-13 14:33:36,111 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 105 transitions, 270 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 14:33:36,120 INFO L231 Difference]: Finished difference. Result has 101 places, 94 transitions, 218 flow [2024-11-13 14:33:36,124 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=190, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=218, PETRI_PLACES=101, PETRI_TRANSITIONS=94} [2024-11-13 14:33:36,129 INFO L277 CegarLoopForPetriNet]: 103 programPoint places, -2 predicate places. [2024-11-13 14:33:36,129 INFO L471 AbstractCegarLoop]: Abstraction has has 101 places, 94 transitions, 218 flow [2024-11-13 14:33:36,130 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 83.66666666666667) internal successors, (251), 3 states have internal predecessors, (251), 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 14:33:36,130 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:33:36,130 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] [2024-11-13 14:33:36,130 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 14:33:36,131 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 14:33:36,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:33:36,131 INFO L85 PathProgramCache]: Analyzing trace with hash 1901031435, now seen corresponding path program 1 times [2024-11-13 14:33:36,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:33:36,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726103071] [2024-11-13 14:33:36,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:33:36,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:33:36,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:36,305 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 14:33:36,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:33:36,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726103071] [2024-11-13 14:33:36,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1726103071] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:33:36,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:33:36,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:33:36,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861166447] [2024-11-13 14:33:36,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:33:36,307 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:33:36,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:33:36,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:33:36,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:33:36,347 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 109 [2024-11-13 14:33:36,351 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 94 transitions, 218 flow. Second operand has 3 states, 3 states have (on average 85.33333333333333) internal successors, (256), 3 states have internal predecessors, (256), 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 14:33:36,353 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:33:36,353 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 109 [2024-11-13 14:33:36,354 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:33:36,537 INFO L124 PetriNetUnfolderBase]: 84/467 cut-off events. [2024-11-13 14:33:36,541 INFO L125 PetriNetUnfolderBase]: For 57/60 co-relation queries the response was YES. [2024-11-13 14:33:36,543 INFO L83 FinitePrefix]: Finished finitePrefix Result has 738 conditions, 467 events. 84/467 cut-off events. For 57/60 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 2550 event pairs, 56 based on Foata normal form. 0/430 useless extension candidates. Maximal degree in co-relation 686. Up to 165 conditions per place. [2024-11-13 14:33:36,547 INFO L140 encePairwiseOnDemand]: 104/109 looper letters, 24 selfloop transitions, 4 changer transitions 0/101 dead transitions. [2024-11-13 14:33:36,548 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 101 transitions, 292 flow [2024-11-13 14:33:36,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:33:36,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 14:33:36,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 276 transitions. [2024-11-13 14:33:36,550 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8440366972477065 [2024-11-13 14:33:36,551 INFO L175 Difference]: Start difference. First operand has 101 places, 94 transitions, 218 flow. Second operand 3 states and 276 transitions. [2024-11-13 14:33:36,551 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 101 transitions, 292 flow [2024-11-13 14:33:36,557 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 101 transitions, 280 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 14:33:36,560 INFO L231 Difference]: Finished difference. Result has 100 places, 97 transitions, 240 flow [2024-11-13 14:33:36,560 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=208, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=240, PETRI_PLACES=100, PETRI_TRANSITIONS=97} [2024-11-13 14:33:36,561 INFO L277 CegarLoopForPetriNet]: 103 programPoint places, -3 predicate places. [2024-11-13 14:33:36,561 INFO L471 AbstractCegarLoop]: Abstraction has has 100 places, 97 transitions, 240 flow [2024-11-13 14:33:36,562 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 85.33333333333333) internal successors, (256), 3 states have internal predecessors, (256), 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 14:33:36,562 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:33:36,562 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] [2024-11-13 14:33:36,563 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 14:33:36,563 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 14:33:36,564 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:33:36,564 INFO L85 PathProgramCache]: Analyzing trace with hash 30716217, now seen corresponding path program 1 times [2024-11-13 14:33:36,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:33:36,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800242734] [2024-11-13 14:33:36,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:33:36,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:33:36,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:36,952 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 14:33:36,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:33:36,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800242734] [2024-11-13 14:33:36,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [800242734] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:33:36,952 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:33:36,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:33:36,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773227382] [2024-11-13 14:33:36,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:33:36,953 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:33:36,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:33:36,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:33:36,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:33:36,989 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 109 [2024-11-13 14:33:36,990 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 97 transitions, 240 flow. Second operand has 3 states, 3 states have (on average 92.0) internal successors, (276), 3 states have internal predecessors, (276), 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 14:33:36,990 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:33:36,990 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 109 [2024-11-13 14:33:36,991 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:33:37,123 INFO L124 PetriNetUnfolderBase]: 27/300 cut-off events. [2024-11-13 14:33:37,123 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2024-11-13 14:33:37,128 INFO L83 FinitePrefix]: Finished finitePrefix Result has 429 conditions, 300 events. 27/300 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1275 event pairs, 11 based on Foata normal form. 3/289 useless extension candidates. Maximal degree in co-relation 377. Up to 63 conditions per place. [2024-11-13 14:33:37,129 INFO L140 encePairwiseOnDemand]: 102/109 looper letters, 11 selfloop transitions, 6 changer transitions 3/101 dead transitions. [2024-11-13 14:33:37,129 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 101 transitions, 274 flow [2024-11-13 14:33:37,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:33:37,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 14:33:37,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 292 transitions. [2024-11-13 14:33:37,133 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8929663608562691 [2024-11-13 14:33:37,133 INFO L175 Difference]: Start difference. First operand has 100 places, 97 transitions, 240 flow. Second operand 3 states and 292 transitions. [2024-11-13 14:33:37,133 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 101 transitions, 274 flow [2024-11-13 14:33:37,135 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 101 transitions, 262 flow, removed 2 selfloop flow, removed 4 redundant places. [2024-11-13 14:33:37,138 INFO L231 Difference]: Finished difference. Result has 98 places, 95 transitions, 234 flow [2024-11-13 14:33:37,138 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=206, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=234, PETRI_PLACES=98, PETRI_TRANSITIONS=95} [2024-11-13 14:33:37,139 INFO L277 CegarLoopForPetriNet]: 103 programPoint places, -5 predicate places. [2024-11-13 14:33:37,142 INFO L471 AbstractCegarLoop]: Abstraction has has 98 places, 95 transitions, 234 flow [2024-11-13 14:33:37,142 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 92.0) internal successors, (276), 3 states have internal predecessors, (276), 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 14:33:37,142 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:33:37,143 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] [2024-11-13 14:33:37,143 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 14:33:37,143 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 14:33:37,144 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:33:37,144 INFO L85 PathProgramCache]: Analyzing trace with hash -955271146, now seen corresponding path program 1 times [2024-11-13 14:33:37,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:33:37,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717907220] [2024-11-13 14:33:37,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:33:37,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:33:37,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:37,267 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 14:33:37,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:33:37,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717907220] [2024-11-13 14:33:37,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717907220] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:33:37,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:33:37,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:33:37,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397575560] [2024-11-13 14:33:37,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:33:37,269 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:33:37,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:33:37,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:33:37,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:33:37,309 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 109 [2024-11-13 14:33:37,310 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 95 transitions, 234 flow. Second operand has 3 states, 3 states have (on average 86.33333333333333) internal successors, (259), 3 states have internal predecessors, (259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:33:37,310 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:33:37,310 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 109 [2024-11-13 14:33:37,310 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:33:37,445 INFO L124 PetriNetUnfolderBase]: 50/342 cut-off events. [2024-11-13 14:33:37,445 INFO L125 PetriNetUnfolderBase]: For 84/89 co-relation queries the response was YES. [2024-11-13 14:33:37,447 INFO L83 FinitePrefix]: Finished finitePrefix Result has 608 conditions, 342 events. 50/342 cut-off events. For 84/89 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1605 event pairs, 26 based on Foata normal form. 0/323 useless extension candidates. Maximal degree in co-relation 556. Up to 109 conditions per place. [2024-11-13 14:33:37,448 INFO L140 encePairwiseOnDemand]: 104/109 looper letters, 19 selfloop transitions, 4 changer transitions 8/102 dead transitions. [2024-11-13 14:33:37,448 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 102 transitions, 318 flow [2024-11-13 14:33:37,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:33:37,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 14:33:37,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 276 transitions. [2024-11-13 14:33:37,451 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8440366972477065 [2024-11-13 14:33:37,451 INFO L175 Difference]: Start difference. First operand has 98 places, 95 transitions, 234 flow. Second operand 3 states and 276 transitions. [2024-11-13 14:33:37,452 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 102 transitions, 318 flow [2024-11-13 14:33:37,456 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 102 transitions, 308 flow, removed 1 selfloop flow, removed 1 redundant places. [2024-11-13 14:33:37,459 INFO L231 Difference]: Finished difference. Result has 101 places, 92 transitions, 236 flow [2024-11-13 14:33:37,460 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=226, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=236, PETRI_PLACES=101, PETRI_TRANSITIONS=92} [2024-11-13 14:33:37,461 INFO L277 CegarLoopForPetriNet]: 103 programPoint places, -2 predicate places. [2024-11-13 14:33:37,461 INFO L471 AbstractCegarLoop]: Abstraction has has 101 places, 92 transitions, 236 flow [2024-11-13 14:33:37,461 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 86.33333333333333) internal successors, (259), 3 states have internal predecessors, (259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:33:37,462 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:33:37,462 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] [2024-11-13 14:33:37,463 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 14:33:37,463 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 14:33:37,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:33:37,466 INFO L85 PathProgramCache]: Analyzing trace with hash -1094203189, now seen corresponding path program 1 times [2024-11-13 14:33:37,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:33:37,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062748588] [2024-11-13 14:33:37,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:33:37,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:33:37,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:37,906 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 14:33:37,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:33:37,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062748588] [2024-11-13 14:33:37,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062748588] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:33:37,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:33:37,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 14:33:37,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525745905] [2024-11-13 14:33:37,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:33:37,908 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 14:33:37,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:33:37,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 14:33:37,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:33:38,088 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 109 [2024-11-13 14:33:38,089 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 92 transitions, 236 flow. Second operand has 5 states, 5 states have (on average 90.8) internal successors, (454), 5 states have internal predecessors, (454), 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 14:33:38,089 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:33:38,089 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 109 [2024-11-13 14:33:38,090 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:33:38,171 INFO L124 PetriNetUnfolderBase]: 1/96 cut-off events. [2024-11-13 14:33:38,171 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2024-11-13 14:33:38,173 INFO L83 FinitePrefix]: Finished finitePrefix Result has 144 conditions, 96 events. 1/96 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 44 event pairs, 0 based on Foata normal form. 6/100 useless extension candidates. Maximal degree in co-relation 120. Up to 10 conditions per place. [2024-11-13 14:33:38,174 INFO L140 encePairwiseOnDemand]: 102/109 looper letters, 0 selfloop transitions, 0 changer transitions 84/84 dead transitions. [2024-11-13 14:33:38,174 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 84 transitions, 234 flow [2024-11-13 14:33:38,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 14:33:38,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-13 14:33:38,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 460 transitions. [2024-11-13 14:33:38,177 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8440366972477065 [2024-11-13 14:33:38,177 INFO L175 Difference]: Start difference. First operand has 101 places, 92 transitions, 236 flow. Second operand 5 states and 460 transitions. [2024-11-13 14:33:38,177 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 84 transitions, 234 flow [2024-11-13 14:33:38,179 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 84 transitions, 209 flow, removed 4 selfloop flow, removed 5 redundant places. [2024-11-13 14:33:38,181 INFO L231 Difference]: Finished difference. Result has 92 places, 0 transitions, 0 flow [2024-11-13 14:33:38,182 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=182, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=92, PETRI_TRANSITIONS=0} [2024-11-13 14:33:38,183 INFO L277 CegarLoopForPetriNet]: 103 programPoint places, -11 predicate places. [2024-11-13 14:33:38,183 INFO L471 AbstractCegarLoop]: Abstraction has has 92 places, 0 transitions, 0 flow [2024-11-13 14:33:38,183 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 90.8) internal successors, (454), 5 states have internal predecessors, (454), 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 14:33:38,189 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2024-11-13 14:33:38,190 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2024-11-13 14:33:38,190 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2024-11-13 14:33:38,191 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2024-11-13 14:33:38,191 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2024-11-13 14:33:38,192 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2024-11-13 14:33:38,192 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2024-11-13 14:33:38,193 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 14:33:38,193 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-13 14:33:38,203 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-13 14:33:38,204 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 14:33:38,213 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 02:33:38 BasicIcfg [2024-11-13 14:33:38,213 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 14:33:38,214 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 14:33:38,214 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 14:33:38,218 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 14:33:38,219 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:33:35" (3/4) ... [2024-11-13 14:33:38,221 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 14:33:38,226 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-11-13 14:33:38,234 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-11-13 14:33:38,234 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 14:33:38,234 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-13 14:33:38,234 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 14:33:38,330 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c01f5e-5a24-4b74-b62d-df50835bc820/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 14:33:38,330 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c01f5e-5a24-4b74-b62d-df50835bc820/bin/uautomizer-verify-qhAvR1uOyd/witness.yml [2024-11-13 14:33:38,330 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 14:33:38,332 INFO L158 Benchmark]: Toolchain (without parser) took 4443.13ms. Allocated memory is still 117.4MB. Free memory was 91.5MB in the beginning and 29.9MB in the end (delta: 61.7MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. [2024-11-13 14:33:38,332 INFO L158 Benchmark]: CDTParser took 0.56ms. Allocated memory is still 83.9MB. Free memory is still 41.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:33:38,333 INFO L158 Benchmark]: CACSL2BoogieTranslator took 592.15ms. Allocated memory is still 117.4MB. Free memory was 91.1MB in the beginning and 71.2MB in the end (delta: 19.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 14:33:38,333 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.64ms. Allocated memory is still 117.4MB. Free memory was 71.2MB in the beginning and 69.4MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 14:33:38,333 INFO L158 Benchmark]: Boogie Preprocessor took 25.34ms. Allocated memory is still 117.4MB. Free memory was 69.4MB in the beginning and 68.5MB in the end (delta: 915.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:33:38,333 INFO L158 Benchmark]: RCFGBuilder took 484.34ms. Allocated memory is still 117.4MB. Free memory was 68.5MB in the beginning and 52.2MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 14:33:38,334 INFO L158 Benchmark]: TraceAbstraction took 3159.93ms. Allocated memory is still 117.4MB. Free memory was 51.3MB in the beginning and 34.7MB in the end (delta: 16.6MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. [2024-11-13 14:33:38,334 INFO L158 Benchmark]: Witness Printer took 116.36ms. Allocated memory is still 117.4MB. Free memory was 34.7MB in the beginning and 29.9MB in the end (delta: 4.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:33:38,337 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56ms. Allocated memory is still 83.9MB. Free memory is still 41.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 592.15ms. Allocated memory is still 117.4MB. Free memory was 91.1MB in the beginning and 71.2MB in the end (delta: 19.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.64ms. Allocated memory is still 117.4MB. Free memory was 71.2MB in the beginning and 69.4MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.34ms. Allocated memory is still 117.4MB. Free memory was 69.4MB in the beginning and 68.5MB in the end (delta: 915.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 484.34ms. Allocated memory is still 117.4MB. Free memory was 68.5MB in the beginning and 52.2MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 3159.93ms. Allocated memory is still 117.4MB. Free memory was 51.3MB in the beginning and 34.7MB in the end (delta: 16.6MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. * Witness Printer took 116.36ms. Allocated memory is still 117.4MB. Free memory was 34.7MB in the beginning and 29.9MB in the end (delta: 4.8MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 697]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 701]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 687]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 690]: 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, 135 locations, 7 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 3.0s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 189 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 90 mSDsluCounter, 64 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 327 IncrementalHoareTripleChecker+Invalid, 344 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 55 mSDtfsCounter, 327 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=240occurred in iteration=2, InterpolantAutomatonStates: 17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 268 NumberOfCodeBlocks, 268 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 263 ConstructedInterpolants, 0 QuantifiedInterpolants, 427 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 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-13 14:33:38,368 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56c01f5e-5a24-4b74-b62d-df50835bc820/bin/uautomizer-verify-qhAvR1uOyd/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