./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/05-lval_ls_08-glob_fld_2_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b345958-8468-4b61-8ea2-52eff32fdaf7/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b345958-8468-4b61-8ea2-52eff32fdaf7/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b345958-8468-4b61-8ea2-52eff32fdaf7/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b345958-8468-4b61-8ea2-52eff32fdaf7/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/05-lval_ls_08-glob_fld_2_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b345958-8468-4b61-8ea2-52eff32fdaf7/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b345958-8468-4b61-8ea2-52eff32fdaf7/bin/uautomizer-verify-4GaUIPS5ZU --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 9df11a052e2c7230e1edfb210274e89333c68b57c4137552a35d25fe623d9561 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:06:40,963 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:06:41,062 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b345958-8468-4b61-8ea2-52eff32fdaf7/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-31 22:06:41,072 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:06:41,074 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:06:41,111 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:06:41,112 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:06:41,113 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:06:41,114 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:06:41,114 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:06:41,115 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:06:41,115 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:06:41,116 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:06:41,116 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:06:41,116 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:06:41,119 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:06:41,120 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:06:41,122 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:06:41,123 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:06:41,123 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:06:41,124 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:06:41,124 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:06:41,124 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-31 22:06:41,125 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:06:41,125 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:06:41,126 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:06:41,126 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:06:41,126 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:06:41,127 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:06:41,127 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:06:41,127 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:06:41,132 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:06:41,133 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:06:41,133 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:06:41,133 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:06:41,134 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:06:41,135 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:06:41,136 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:06:41,136 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:06:41,136 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:06:41,137 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:06:41,137 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b345958-8468-4b61-8ea2-52eff32fdaf7/bin/uautomizer-verify-4GaUIPS5ZU/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b345958-8468-4b61-8ea2-52eff32fdaf7/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9df11a052e2c7230e1edfb210274e89333c68b57c4137552a35d25fe623d9561 [2024-10-31 22:06:41,452 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:06:41,511 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:06:41,518 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:06:41,520 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:06:41,523 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:06:41,524 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b345958-8468-4b61-8ea2-52eff32fdaf7/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/goblint-regression/05-lval_ls_08-glob_fld_2_rc.i Unable to find full path for "g++" [2024-10-31 22:06:43,889 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:06:44,184 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:06:44,185 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b345958-8468-4b61-8ea2-52eff32fdaf7/sv-benchmarks/c/goblint-regression/05-lval_ls_08-glob_fld_2_rc.i [2024-10-31 22:06:44,205 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b345958-8468-4b61-8ea2-52eff32fdaf7/bin/uautomizer-verify-4GaUIPS5ZU/data/8020812d7/7a6e665ef0b94bdba460ecd75a179831/FLAG1e0d9eb33 [2024-10-31 22:06:44,225 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b345958-8468-4b61-8ea2-52eff32fdaf7/bin/uautomizer-verify-4GaUIPS5ZU/data/8020812d7/7a6e665ef0b94bdba460ecd75a179831 [2024-10-31 22:06:44,228 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:06:44,230 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:06:44,232 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:06:44,234 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:06:44,240 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:06:44,241 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:06:44" (1/1) ... [2024-10-31 22:06:44,242 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f8e5ddb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:44, skipping insertion in model container [2024-10-31 22:06:44,242 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:06:44" (1/1) ... [2024-10-31 22:06:44,297 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:06:44,714 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:06:44,722 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:06:44,791 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:06:44,835 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:06:44,836 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:44 WrapperNode [2024-10-31 22:06:44,836 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:06:44,837 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:06:44,837 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:06:44,837 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:06:44,845 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:44" (1/1) ... [2024-10-31 22:06:44,860 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:44" (1/1) ... [2024-10-31 22:06:44,894 INFO L138 Inliner]: procedures = 160, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 41 [2024-10-31 22:06:44,895 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:06:44,895 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:06:44,896 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:06:44,896 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:06:44,905 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:44" (1/1) ... [2024-10-31 22:06:44,906 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:44" (1/1) ... [2024-10-31 22:06:44,912 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:44" (1/1) ... [2024-10-31 22:06:44,912 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:44" (1/1) ... [2024-10-31 22:06:44,926 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:44" (1/1) ... [2024-10-31 22:06:44,931 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:44" (1/1) ... [2024-10-31 22:06:44,936 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:44" (1/1) ... [2024-10-31 22:06:44,937 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:44" (1/1) ... [2024-10-31 22:06:44,940 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:06:44,945 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:06:44,945 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:06:44,945 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:06:44,946 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:44" (1/1) ... [2024-10-31 22:06:44,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:06:44,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b345958-8468-4b61-8ea2-52eff32fdaf7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:06:44,985 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b345958-8468-4b61-8ea2-52eff32fdaf7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:06:44,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b345958-8468-4b61-8ea2-52eff32fdaf7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:06:45,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-31 22:06:45,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-31 22:06:45,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:06:45,022 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-10-31 22:06:45,022 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-10-31 22:06:45,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-31 22:06:45,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:06:45,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:06:45,025 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-31 22:06:45,193 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:06:45,196 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:06:45,448 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-31 22:06:45,448 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:06:45,501 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:06:45,503 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-31 22:06:45,504 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:06:45 BoogieIcfgContainer [2024-10-31 22:06:45,505 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:06:45,510 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:06:45,510 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:06:45,515 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:06:45,516 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:06:44" (1/3) ... [2024-10-31 22:06:45,517 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65aec872 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:06:45, skipping insertion in model container [2024-10-31 22:06:45,517 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:44" (2/3) ... [2024-10-31 22:06:45,519 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65aec872 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:06:45, skipping insertion in model container [2024-10-31 22:06:45,519 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:06:45" (3/3) ... [2024-10-31 22:06:45,521 INFO L112 eAbstractionObserver]: Analyzing ICFG 05-lval_ls_08-glob_fld_2_rc.i [2024-10-31 22:06:45,565 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:06:45,565 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-10-31 22:06:45,566 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-31 22:06:45,660 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-31 22:06:45,710 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 98 places, 91 transitions, 190 flow [2024-10-31 22:06:45,776 INFO L124 PetriNetUnfolderBase]: 0/89 cut-off events. [2024-10-31 22:06:45,776 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 22:06:45,782 INFO L83 FinitePrefix]: Finished finitePrefix Result has 96 conditions, 89 events. 0/89 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 135 event pairs, 0 based on Foata normal form. 0/83 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2024-10-31 22:06:45,782 INFO L82 GeneralOperation]: Start removeDead. Operand has 98 places, 91 transitions, 190 flow [2024-10-31 22:06:45,788 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 96 places, 89 transitions, 184 flow [2024-10-31 22:06:45,805 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:06:45,814 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;@1e346bdc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:06:45,815 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-10-31 22:06:45,835 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-31 22:06:45,835 INFO L124 PetriNetUnfolderBase]: 0/28 cut-off events. [2024-10-31 22:06:45,836 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 22:06:45,836 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:06:45,837 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] [2024-10-31 22:06:45,838 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 7 more)] === [2024-10-31 22:06:45,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:06:45,848 INFO L85 PathProgramCache]: Analyzing trace with hash 161770557, now seen corresponding path program 1 times [2024-10-31 22:06:45,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:06:45,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043892064] [2024-10-31 22:06:45,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:06:45,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:06:46,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:46,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:06:46,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:06:46,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043892064] [2024-10-31 22:06:46,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1043892064] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:06:46,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:06:46,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:06:46,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559359317] [2024-10-31 22:06:46,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:06:46,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:06:46,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:06:46,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:06:46,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:06:47,381 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 66 out of 91 [2024-10-31 22:06:47,388 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 89 transitions, 184 flow. Second operand has 6 states, 6 states have (on average 67.16666666666667) internal successors, (403), 6 states have internal predecessors, (403), 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) [2024-10-31 22:06:47,389 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:06:47,389 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 66 of 91 [2024-10-31 22:06:47,390 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:06:47,827 INFO L124 PetriNetUnfolderBase]: 208/742 cut-off events. [2024-10-31 22:06:47,827 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2024-10-31 22:06:47,835 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1231 conditions, 742 events. 208/742 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 4683 event pairs, 46 based on Foata normal form. 0/712 useless extension candidates. Maximal degree in co-relation 1209. Up to 194 conditions per place. [2024-10-31 22:06:47,843 INFO L140 encePairwiseOnDemand]: 69/91 looper letters, 73 selfloop transitions, 42 changer transitions 0/179 dead transitions. [2024-10-31 22:06:47,843 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 179 transitions, 606 flow [2024-10-31 22:06:47,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:06:47,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-31 22:06:47,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 513 transitions. [2024-10-31 22:06:47,861 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9395604395604396 [2024-10-31 22:06:47,863 INFO L175 Difference]: Start difference. First operand has 96 places, 89 transitions, 184 flow. Second operand 6 states and 513 transitions. [2024-10-31 22:06:47,864 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 179 transitions, 606 flow [2024-10-31 22:06:47,868 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 179 transitions, 600 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:06:47,873 INFO L231 Difference]: Finished difference. Result has 104 places, 135 transitions, 498 flow [2024-10-31 22:06:47,875 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=91, PETRI_DIFFERENCE_MINUEND_FLOW=182, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=498, PETRI_PLACES=104, PETRI_TRANSITIONS=135} [2024-10-31 22:06:47,882 INFO L277 CegarLoopForPetriNet]: 96 programPoint places, 8 predicate places. [2024-10-31 22:06:47,882 INFO L471 AbstractCegarLoop]: Abstraction has has 104 places, 135 transitions, 498 flow [2024-10-31 22:06:47,883 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 67.16666666666667) internal successors, (403), 6 states have internal predecessors, (403), 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) [2024-10-31 22:06:47,883 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:06:47,883 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] [2024-10-31 22:06:47,883 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:06:47,884 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 7 more)] === [2024-10-31 22:06:47,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:06:47,885 INFO L85 PathProgramCache]: Analyzing trace with hash -1314003259, now seen corresponding path program 1 times [2024-10-31 22:06:47,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:06:47,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212167435] [2024-10-31 22:06:47,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:06:47,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:06:47,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:48,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:06:48,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:06:48,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212167435] [2024-10-31 22:06:48,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [212167435] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:06:48,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:06:48,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:06:48,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773136984] [2024-10-31 22:06:48,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:06:48,309 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:06:48,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:06:48,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:06:48,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:06:48,799 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 91 [2024-10-31 22:06:48,800 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 135 transitions, 498 flow. Second operand has 6 states, 6 states have (on average 78.33333333333333) internal successors, (470), 6 states have internal predecessors, (470), 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) [2024-10-31 22:06:48,800 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:06:48,800 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 91 [2024-10-31 22:06:48,800 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:06:48,942 INFO L124 PetriNetUnfolderBase]: 111/566 cut-off events. [2024-10-31 22:06:48,943 INFO L125 PetriNetUnfolderBase]: For 97/117 co-relation queries the response was YES. [2024-10-31 22:06:48,949 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1071 conditions, 566 events. 111/566 cut-off events. For 97/117 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 3677 event pairs, 30 based on Foata normal form. 3/557 useless extension candidates. Maximal degree in co-relation 1046. Up to 117 conditions per place. [2024-10-31 22:06:48,953 INFO L140 encePairwiseOnDemand]: 85/91 looper letters, 8 selfloop transitions, 5 changer transitions 0/134 dead transitions. [2024-10-31 22:06:48,953 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 134 transitions, 522 flow [2024-10-31 22:06:48,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:06:48,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-31 22:06:48,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 476 transitions. [2024-10-31 22:06:48,958 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8717948717948718 [2024-10-31 22:06:48,958 INFO L175 Difference]: Start difference. First operand has 104 places, 135 transitions, 498 flow. Second operand 6 states and 476 transitions. [2024-10-31 22:06:48,958 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 134 transitions, 522 flow [2024-10-31 22:06:48,963 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 134 transitions, 522 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-31 22:06:48,966 INFO L231 Difference]: Finished difference. Result has 108 places, 134 transitions, 506 flow [2024-10-31 22:06:48,966 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=91, PETRI_DIFFERENCE_MINUEND_FLOW=496, PETRI_DIFFERENCE_MINUEND_PLACES=103, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=129, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=506, PETRI_PLACES=108, PETRI_TRANSITIONS=134} [2024-10-31 22:06:48,967 INFO L277 CegarLoopForPetriNet]: 96 programPoint places, 12 predicate places. [2024-10-31 22:06:48,967 INFO L471 AbstractCegarLoop]: Abstraction has has 108 places, 134 transitions, 506 flow [2024-10-31 22:06:48,968 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 78.33333333333333) internal successors, (470), 6 states have internal predecessors, (470), 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) [2024-10-31 22:06:48,968 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:06:48,973 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] [2024-10-31 22:06:48,973 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 22:06:48,974 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 7 more)] === [2024-10-31 22:06:48,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:06:48,974 INFO L85 PathProgramCache]: Analyzing trace with hash -209020606, now seen corresponding path program 1 times [2024-10-31 22:06:48,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:06:48,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374979916] [2024-10-31 22:06:48,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:06:48,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:06:48,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:49,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:06:49,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:06:49,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374979916] [2024-10-31 22:06:49,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374979916] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:06:49,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:06:49,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:06:49,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190023843] [2024-10-31 22:06:49,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:06:49,320 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:06:49,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:06:49,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:06:49,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:06:49,626 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 91 [2024-10-31 22:06:49,627 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 134 transitions, 506 flow. Second operand has 6 states, 6 states have (on average 67.16666666666667) internal successors, (403), 6 states have internal predecessors, (403), 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) [2024-10-31 22:06:49,627 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:06:49,628 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 91 [2024-10-31 22:06:49,629 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:06:50,003 INFO L124 PetriNetUnfolderBase]: 354/1090 cut-off events. [2024-10-31 22:06:50,003 INFO L125 PetriNetUnfolderBase]: For 531/564 co-relation queries the response was YES. [2024-10-31 22:06:50,012 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2829 conditions, 1090 events. 354/1090 cut-off events. For 531/564 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 7259 event pairs, 71 based on Foata normal form. 21/1097 useless extension candidates. Maximal degree in co-relation 2803. Up to 491 conditions per place. [2024-10-31 22:06:50,024 INFO L140 encePairwiseOnDemand]: 74/91 looper letters, 98 selfloop transitions, 53 changer transitions 0/213 dead transitions. [2024-10-31 22:06:50,024 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 213 transitions, 1160 flow [2024-10-31 22:06:50,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:06:50,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-31 22:06:50,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 481 transitions. [2024-10-31 22:06:50,026 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8809523809523809 [2024-10-31 22:06:50,026 INFO L175 Difference]: Start difference. First operand has 108 places, 134 transitions, 506 flow. Second operand 6 states and 481 transitions. [2024-10-31 22:06:50,026 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 213 transitions, 1160 flow [2024-10-31 22:06:50,032 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 213 transitions, 1150 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-31 22:06:50,036 INFO L231 Difference]: Finished difference. Result has 113 places, 187 transitions, 1012 flow [2024-10-31 22:06:50,037 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=91, PETRI_DIFFERENCE_MINUEND_FLOW=496, PETRI_DIFFERENCE_MINUEND_PLACES=103, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=105, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1012, PETRI_PLACES=113, PETRI_TRANSITIONS=187} [2024-10-31 22:06:50,038 INFO L277 CegarLoopForPetriNet]: 96 programPoint places, 17 predicate places. [2024-10-31 22:06:50,039 INFO L471 AbstractCegarLoop]: Abstraction has has 113 places, 187 transitions, 1012 flow [2024-10-31 22:06:50,039 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 67.16666666666667) internal successors, (403), 6 states have internal predecessors, (403), 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) [2024-10-31 22:06:50,039 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:06:50,039 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] [2024-10-31 22:06:50,039 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-31 22:06:50,040 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 7 more)] === [2024-10-31 22:06:50,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:06:50,040 INFO L85 PathProgramCache]: Analyzing trace with hash 26010384, now seen corresponding path program 1 times [2024-10-31 22:06:50,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:06:50,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632118354] [2024-10-31 22:06:50,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:06:50,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:06:50,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:50,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:06:50,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:06:50,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632118354] [2024-10-31 22:06:50,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [632118354] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:06:50,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:06:50,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:06:50,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046412926] [2024-10-31 22:06:50,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:06:50,467 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:06:50,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:06:50,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:06:50,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:06:50,777 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 91 [2024-10-31 22:06:50,778 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 187 transitions, 1012 flow. Second operand has 6 states, 6 states have (on average 67.33333333333333) internal successors, (404), 6 states have internal predecessors, (404), 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) [2024-10-31 22:06:50,778 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:06:50,778 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 91 [2024-10-31 22:06:50,778 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:06:51,276 INFO L124 PetriNetUnfolderBase]: 478/1384 cut-off events. [2024-10-31 22:06:51,277 INFO L125 PetriNetUnfolderBase]: For 2066/2110 co-relation queries the response was YES. [2024-10-31 22:06:51,288 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4584 conditions, 1384 events. 478/1384 cut-off events. For 2066/2110 co-relation queries the response was YES. Maximal size of possible extension queue 110. Compared 9570 event pairs, 83 based on Foata normal form. 23/1384 useless extension candidates. Maximal degree in co-relation 4554. Up to 661 conditions per place. [2024-10-31 22:06:51,304 INFO L140 encePairwiseOnDemand]: 74/91 looper letters, 139 selfloop transitions, 68 changer transitions 0/273 dead transitions. [2024-10-31 22:06:51,304 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 273 transitions, 1946 flow [2024-10-31 22:06:51,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:06:51,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-31 22:06:51,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 477 transitions. [2024-10-31 22:06:51,306 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8736263736263736 [2024-10-31 22:06:51,307 INFO L175 Difference]: Start difference. First operand has 113 places, 187 transitions, 1012 flow. Second operand 6 states and 477 transitions. [2024-10-31 22:06:51,307 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 118 places, 273 transitions, 1946 flow [2024-10-31 22:06:51,318 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 118 places, 273 transitions, 1938 flow, removed 4 selfloop flow, removed 0 redundant places. [2024-10-31 22:06:51,325 INFO L231 Difference]: Finished difference. Result has 123 places, 248 transitions, 1724 flow [2024-10-31 22:06:51,327 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=91, PETRI_DIFFERENCE_MINUEND_FLOW=1004, PETRI_DIFFERENCE_MINUEND_PLACES=113, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=187, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=145, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1724, PETRI_PLACES=123, PETRI_TRANSITIONS=248} [2024-10-31 22:06:51,328 INFO L277 CegarLoopForPetriNet]: 96 programPoint places, 27 predicate places. [2024-10-31 22:06:51,328 INFO L471 AbstractCegarLoop]: Abstraction has has 123 places, 248 transitions, 1724 flow [2024-10-31 22:06:51,329 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 67.33333333333333) internal successors, (404), 6 states have internal predecessors, (404), 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) [2024-10-31 22:06:51,329 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:06:51,329 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] [2024-10-31 22:06:51,329 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-31 22:06:51,330 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 7 more)] === [2024-10-31 22:06:51,330 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:06:51,330 INFO L85 PathProgramCache]: Analyzing trace with hash 29406136, now seen corresponding path program 1 times [2024-10-31 22:06:51,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:06:51,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589587857] [2024-10-31 22:06:51,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:06:51,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:06:51,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:51,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:06:51,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:06:51,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589587857] [2024-10-31 22:06:51,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1589587857] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:06:51,676 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:06:51,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:06:51,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259299422] [2024-10-31 22:06:51,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:06:51,677 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:06:51,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:06:51,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:06:51,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:06:52,214 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 91 [2024-10-31 22:06:52,215 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 248 transitions, 1724 flow. Second operand has 6 states, 6 states have (on average 75.5) internal successors, (453), 6 states have internal predecessors, (453), 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) [2024-10-31 22:06:52,215 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:06:52,215 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 91 [2024-10-31 22:06:52,215 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:06:52,485 INFO L124 PetriNetUnfolderBase]: 343/1172 cut-off events. [2024-10-31 22:06:52,485 INFO L125 PetriNetUnfolderBase]: For 2448/2500 co-relation queries the response was YES. [2024-10-31 22:06:52,500 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3856 conditions, 1172 events. 343/1172 cut-off events. For 2448/2500 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 8421 event pairs, 29 based on Foata normal form. 15/1174 useless extension candidates. Maximal degree in co-relation 3820. Up to 284 conditions per place. [2024-10-31 22:06:52,509 INFO L140 encePairwiseOnDemand]: 85/91 looper letters, 12 selfloop transitions, 5 changer transitions 36/247 dead transitions. [2024-10-31 22:06:52,510 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 127 places, 247 transitions, 1756 flow [2024-10-31 22:06:52,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:06:52,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-31 22:06:52,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 456 transitions. [2024-10-31 22:06:52,511 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8351648351648352 [2024-10-31 22:06:52,512 INFO L175 Difference]: Start difference. First operand has 123 places, 248 transitions, 1724 flow. Second operand 6 states and 456 transitions. [2024-10-31 22:06:52,512 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 127 places, 247 transitions, 1756 flow [2024-10-31 22:06:52,533 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 247 transitions, 1740 flow, removed 8 selfloop flow, removed 0 redundant places. [2024-10-31 22:06:52,537 INFO L231 Difference]: Finished difference. Result has 127 places, 211 transitions, 1420 flow [2024-10-31 22:06:52,537 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=91, PETRI_DIFFERENCE_MINUEND_FLOW=1706, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=247, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=242, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1420, PETRI_PLACES=127, PETRI_TRANSITIONS=211} [2024-10-31 22:06:52,539 INFO L277 CegarLoopForPetriNet]: 96 programPoint places, 31 predicate places. [2024-10-31 22:06:52,539 INFO L471 AbstractCegarLoop]: Abstraction has has 127 places, 211 transitions, 1420 flow [2024-10-31 22:06:52,540 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 75.5) internal successors, (453), 6 states have internal predecessors, (453), 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) [2024-10-31 22:06:52,540 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:06:52,540 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] [2024-10-31 22:06:52,540 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-31 22:06:52,540 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 7 more)] === [2024-10-31 22:06:52,541 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:06:52,541 INFO L85 PathProgramCache]: Analyzing trace with hash -1441956085, now seen corresponding path program 1 times [2024-10-31 22:06:52,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:06:52,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235259866] [2024-10-31 22:06:52,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:06:52,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:06:52,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:06:52,573 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:06:52,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:06:52,616 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:06:52,616 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-31 22:06:52,620 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (9 of 10 remaining) [2024-10-31 22:06:52,622 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (8 of 10 remaining) [2024-10-31 22:06:52,623 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (7 of 10 remaining) [2024-10-31 22:06:52,623 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 10 remaining) [2024-10-31 22:06:52,623 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 10 remaining) [2024-10-31 22:06:52,623 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (4 of 10 remaining) [2024-10-31 22:06:52,623 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (3 of 10 remaining) [2024-10-31 22:06:52,624 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 10 remaining) [2024-10-31 22:06:52,624 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 10 remaining) [2024-10-31 22:06:52,624 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 10 remaining) [2024-10-31 22:06:52,624 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-31 22:06:52,625 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-10-31 22:06:52,674 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-31 22:06:52,674 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-10-31 22:06:52,685 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.10 10:06:52 BasicIcfg [2024-10-31 22:06:52,685 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-31 22:06:52,686 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 22:06:52,686 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 22:06:52,686 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 22:06:52,687 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:06:45" (3/4) ... [2024-10-31 22:06:52,692 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-10-31 22:06:52,759 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b345958-8468-4b61-8ea2-52eff32fdaf7/bin/uautomizer-verify-4GaUIPS5ZU/witness.graphml [2024-10-31 22:06:52,761 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 22:06:52,762 INFO L158 Benchmark]: Toolchain (without parser) took 8532.11ms. Allocated memory was 136.3MB in the beginning and 218.1MB in the end (delta: 81.8MB). Free memory was 94.5MB in the beginning and 60.3MB in the end (delta: 34.1MB). Peak memory consumption was 117.6MB. Max. memory is 16.1GB. [2024-10-31 22:06:52,762 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 136.3MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:06:52,763 INFO L158 Benchmark]: CACSL2BoogieTranslator took 603.82ms. Allocated memory is still 136.3MB. Free memory was 94.1MB in the beginning and 73.2MB in the end (delta: 20.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-10-31 22:06:52,763 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.96ms. Allocated memory is still 136.3MB. Free memory was 73.2MB in the beginning and 71.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:06:52,764 INFO L158 Benchmark]: Boogie Preprocessor took 44.56ms. Allocated memory is still 136.3MB. Free memory was 71.1MB in the beginning and 69.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:06:52,764 INFO L158 Benchmark]: RCFGBuilder took 562.58ms. Allocated memory was 136.3MB in the beginning and 180.4MB in the end (delta: 44.0MB). Free memory was 69.4MB in the beginning and 150.6MB in the end (delta: -81.2MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. [2024-10-31 22:06:52,765 INFO L158 Benchmark]: TraceAbstraction took 7175.27ms. Allocated memory was 180.4MB in the beginning and 218.1MB in the end (delta: 37.7MB). Free memory was 150.0MB in the beginning and 64.5MB in the end (delta: 85.4MB). Peak memory consumption was 122.1MB. Max. memory is 16.1GB. [2024-10-31 22:06:52,765 INFO L158 Benchmark]: Witness Printer took 75.05ms. Allocated memory is still 218.1MB. Free memory was 64.5MB in the beginning and 60.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-31 22:06:52,767 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 136.3MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 603.82ms. Allocated memory is still 136.3MB. Free memory was 94.1MB in the beginning and 73.2MB in the end (delta: 20.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.96ms. Allocated memory is still 136.3MB. Free memory was 73.2MB in the beginning and 71.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.56ms. Allocated memory is still 136.3MB. Free memory was 71.1MB in the beginning and 69.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 562.58ms. Allocated memory was 136.3MB in the beginning and 180.4MB in the end (delta: 44.0MB). Free memory was 69.4MB in the beginning and 150.6MB in the end (delta: -81.2MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. * TraceAbstraction took 7175.27ms. Allocated memory was 180.4MB in the beginning and 218.1MB in the end (delta: 37.7MB). Free memory was 150.0MB in the beginning and 64.5MB in the end (delta: 85.4MB). Peak memory consumption was 122.1MB. Max. memory is 16.1GB. * Witness Printer took 75.05ms. Allocated memory is still 218.1MB. Free memory was 64.5MB in the beginning and 60.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - DataRaceFoundResult [Line: 684]: Data race detected Data race detected The following path leads to a data race: [L679-L682] 0 struct { int x; int y; } data; VAL [data={1:0}] [L688] 0 pthread_t id, id2; VAL [data={1:0}] [L689] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [\old(arg)={0:0}, data={1:0}, id=-1] [L684] EXPR 1 data.x VAL [\old(arg)={0:0}, arg={0:0}, data={1:0}] [L684] 1 data.x++ VAL [\old(arg)={0:0}, arg={0:0}, data={1:0}] [L690] FCALL, FORK 0 pthread_create(&id2, ((void *)0), t_fun, ((void *)0)) VAL [\old(arg)={0:0}, arg={0:0}, data={1:0}, id2=0, id=-1] [L684] EXPR 2 data.x VAL [\old(arg)={0:0}, arg={0:0}, data={1:0}] [L684] 2 data.x++ VAL [\old(arg)={0:0}, arg={0:0}, data={1:0}] Now there is a data race (on the heap) between C: data.x++ [684] and C: data.x++ [684] - UnprovableResult [Line: 691]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 691]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 689]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 690]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 684]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 4 procedures, 117 locations, 10 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: 6.9s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 664 SdHoareTripleChecker+Valid, 2.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 358 mSDsluCounter, 9 SdHoareTripleChecker+Invalid, 2.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 359 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1489 IncrementalHoareTripleChecker+Invalid, 1848 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 359 mSolverCounterUnsat, 9 mSDtfsCounter, 1489 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1724occurred in iteration=4, InterpolantAutomatonStates: 30, 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, 2.2s InterpolantComputationTime, 187 NumberOfCodeBlocks, 187 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 144 ConstructedInterpolants, 0 QuantifiedInterpolants, 565 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 RESULT: Ultimate proved your program to be incorrect! [2024-10-31 22:06:52,807 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b345958-8468-4b61-8ea2-52eff32fdaf7/bin/uautomizer-verify-4GaUIPS5ZU/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE