./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/05-lval_ls_14-idxunknown_access.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df45a23c-d5c3-4461-909e-beadc39a04a2/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df45a23c-d5c3-4461-909e-beadc39a04a2/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df45a23c-d5c3-4461-909e-beadc39a04a2/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df45a23c-d5c3-4461-909e-beadc39a04a2/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/05-lval_ls_14-idxunknown_access.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df45a23c-d5c3-4461-909e-beadc39a04a2/bin/uautomizer-verify-jihMAELWvX/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df45a23c-d5c3-4461-909e-beadc39a04a2/bin/uautomizer-verify-jihMAELWvX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ab624cd95d0fa2367e02c67b22b0f1efd275cc176f54b50b7fb2d138f7f4319c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 16:04:17,466 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 16:04:17,591 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df45a23c-d5c3-4461-909e-beadc39a04a2/bin/uautomizer-verify-jihMAELWvX/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-08 16:04:17,598 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 16:04:17,599 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 16:04:17,629 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 16:04:17,630 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 16:04:17,630 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 16:04:17,631 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 16:04:17,631 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 16:04:17,632 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 16:04:17,633 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 16:04:17,634 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 16:04:17,636 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 16:04:17,637 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 16:04:17,637 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 16:04:17,637 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 16:04:17,638 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 16:04:17,638 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 16:04:17,638 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 16:04:17,638 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 16:04:17,643 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 16:04:17,644 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-08 16:04:17,644 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 16:04:17,644 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 16:04:17,645 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 16:04:17,645 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 16:04:17,645 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 16:04:17,645 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 16:04:17,646 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 16:04:17,646 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 16:04:17,646 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:04:17,647 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 16:04:17,647 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 16:04:17,649 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 16:04:17,649 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 16:04:17,650 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 16:04:17,650 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 16:04:17,650 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 16:04:17,650 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 16:04:17,651 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 16:04:17,652 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_df45a23c-d5c3-4461-909e-beadc39a04a2/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df45a23c-d5c3-4461-909e-beadc39a04a2/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ab624cd95d0fa2367e02c67b22b0f1efd275cc176f54b50b7fb2d138f7f4319c [2024-11-08 16:04:17,946 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 16:04:17,995 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 16:04:17,997 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 16:04:18,003 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 16:04:18,003 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 16:04:18,005 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df45a23c-d5c3-4461-909e-beadc39a04a2/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/goblint-regression/05-lval_ls_14-idxunknown_access.i Unable to find full path for "g++" [2024-11-08 16:04:20,085 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 16:04:20,415 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 16:04:20,418 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df45a23c-d5c3-4461-909e-beadc39a04a2/sv-benchmarks/c/goblint-regression/05-lval_ls_14-idxunknown_access.i [2024-11-08 16:04:20,439 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df45a23c-d5c3-4461-909e-beadc39a04a2/bin/uautomizer-verify-jihMAELWvX/data/431ea1b90/adaed37156fa48de9f035b03f3707307/FLAG7c3dd76b3 [2024-11-08 16:04:20,459 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df45a23c-d5c3-4461-909e-beadc39a04a2/bin/uautomizer-verify-jihMAELWvX/data/431ea1b90/adaed37156fa48de9f035b03f3707307 [2024-11-08 16:04:20,462 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 16:04:20,465 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 16:04:20,467 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 16:04:20,467 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 16:04:20,475 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 16:04:20,476 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:04:20" (1/1) ... [2024-11-08 16:04:20,477 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a20e507 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:04:20, skipping insertion in model container [2024-11-08 16:04:20,479 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:04:20" (1/1) ... [2024-11-08 16:04:20,538 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 16:04:21,045 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:04:21,057 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 16:04:21,130 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:04:21,190 INFO L204 MainTranslator]: Completed translation [2024-11-08 16:04:21,190 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:04:21 WrapperNode [2024-11-08 16:04:21,191 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 16:04:21,192 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 16:04:21,193 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 16:04:21,193 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 16:04:21,203 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:04:21" (1/1) ... [2024-11-08 16:04:21,224 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:04:21" (1/1) ... [2024-11-08 16:04:21,262 INFO L138 Inliner]: procedures = 163, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 50 [2024-11-08 16:04:21,265 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 16:04:21,266 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 16:04:21,267 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 16:04:21,267 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 16:04:21,276 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:04:21" (1/1) ... [2024-11-08 16:04:21,276 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:04:21" (1/1) ... [2024-11-08 16:04:21,279 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:04:21" (1/1) ... [2024-11-08 16:04:21,280 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:04:21" (1/1) ... [2024-11-08 16:04:21,288 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:04:21" (1/1) ... [2024-11-08 16:04:21,290 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:04:21" (1/1) ... [2024-11-08 16:04:21,292 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:04:21" (1/1) ... [2024-11-08 16:04:21,294 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:04:21" (1/1) ... [2024-11-08 16:04:21,296 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 16:04:21,297 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 16:04:21,298 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 16:04:21,298 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 16:04:21,299 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:04:21" (1/1) ... [2024-11-08 16:04:21,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:04:21,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df45a23c-d5c3-4461-909e-beadc39a04a2/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:04:21,348 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df45a23c-d5c3-4461-909e-beadc39a04a2/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 16:04:21,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df45a23c-d5c3-4461-909e-beadc39a04a2/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 16:04:21,390 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 16:04:21,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 16:04:21,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 16:04:21,391 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-08 16:04:21,391 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-08 16:04:21,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 16:04:21,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 16:04:21,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 16:04:21,394 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-08 16:04:21,557 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 16:04:21,561 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 16:04:21,864 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-08 16:04:21,869 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 16:04:21,889 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 16:04:21,890 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 16:04:21,890 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:04:21 BoogieIcfgContainer [2024-11-08 16:04:21,890 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 16:04:21,895 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 16:04:21,895 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 16:04:21,901 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 16:04:21,901 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 04:04:20" (1/3) ... [2024-11-08 16:04:21,902 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e50cd52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:04:21, skipping insertion in model container [2024-11-08 16:04:21,903 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:04:21" (2/3) ... [2024-11-08 16:04:21,904 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e50cd52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:04:21, skipping insertion in model container [2024-11-08 16:04:21,904 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:04:21" (3/3) ... [2024-11-08 16:04:21,906 INFO L112 eAbstractionObserver]: Analyzing ICFG 05-lval_ls_14-idxunknown_access.i [2024-11-08 16:04:21,926 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 16:04:21,926 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-08 16:04:21,926 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-08 16:04:21,993 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-08 16:04:22,035 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 84 places, 81 transitions, 166 flow [2024-11-08 16:04:22,107 INFO L124 PetriNetUnfolderBase]: 1/80 cut-off events. [2024-11-08 16:04:22,109 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-08 16:04:22,117 INFO L83 FinitePrefix]: Finished finitePrefix Result has 84 conditions, 80 events. 1/80 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 54 event pairs, 0 based on Foata normal form. 0/75 useless extension candidates. Maximal degree in co-relation 32. Up to 2 conditions per place. [2024-11-08 16:04:22,119 INFO L82 GeneralOperation]: Start removeDead. Operand has 84 places, 81 transitions, 166 flow [2024-11-08 16:04:22,126 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 83 places, 80 transitions, 163 flow [2024-11-08 16:04:22,140 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 16:04:22,149 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;@39daaad3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 16:04:22,149 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-08 16:04:22,184 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-08 16:04:22,187 INFO L124 PetriNetUnfolderBase]: 1/45 cut-off events. [2024-11-08 16:04:22,187 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-08 16:04:22,188 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:04:22,190 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] [2024-11-08 16:04:22,190 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-08 16:04:22,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:04:22,198 INFO L85 PathProgramCache]: Analyzing trace with hash -427779772, now seen corresponding path program 1 times [2024-11-08 16:04:22,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:04:22,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256863442] [2024-11-08 16:04:22,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:04:22,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:04:22,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:04:23,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:04:23,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:04:23,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256863442] [2024-11-08 16:04:23,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256863442] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:04:23,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:04:23,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 16:04:23,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346754368] [2024-11-08 16:04:23,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:04:23,581 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 16:04:23,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:04:23,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 16:04:23,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-08 16:04:24,106 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 63 out of 81 [2024-11-08 16:04:24,115 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 80 transitions, 163 flow. Second operand has 6 states, 6 states have (on average 64.16666666666667) internal successors, (385), 6 states have internal predecessors, (385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:04:24,115 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:04:24,115 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 63 of 81 [2024-11-08 16:04:24,117 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:04:24,387 INFO L124 PetriNetUnfolderBase]: 72/440 cut-off events. [2024-11-08 16:04:24,387 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-08 16:04:24,394 INFO L83 FinitePrefix]: Finished finitePrefix Result has 623 conditions, 440 events. 72/440 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 2535 event pairs, 26 based on Foata normal form. 1/405 useless extension candidates. Maximal degree in co-relation 584. Up to 101 conditions per place. [2024-11-08 16:04:24,399 INFO L140 encePairwiseOnDemand]: 69/81 looper letters, 28 selfloop transitions, 22 changer transitions 1/112 dead transitions. [2024-11-08 16:04:24,400 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 112 transitions, 327 flow [2024-11-08 16:04:24,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 16:04:24,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-08 16:04:24,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 430 transitions. [2024-11-08 16:04:24,419 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8847736625514403 [2024-11-08 16:04:24,422 INFO L175 Difference]: Start difference. First operand has 83 places, 80 transitions, 163 flow. Second operand 6 states and 430 transitions. [2024-11-08 16:04:24,423 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 112 transitions, 327 flow [2024-11-08 16:04:24,427 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 112 transitions, 326 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-08 16:04:24,435 INFO L231 Difference]: Finished difference. Result has 91 places, 100 transitions, 304 flow [2024-11-08 16:04:24,438 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=81, PETRI_DIFFERENCE_MINUEND_FLOW=160, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=304, PETRI_PLACES=91, PETRI_TRANSITIONS=100} [2024-11-08 16:04:24,443 INFO L277 CegarLoopForPetriNet]: 83 programPoint places, 8 predicate places. [2024-11-08 16:04:24,446 INFO L471 AbstractCegarLoop]: Abstraction has has 91 places, 100 transitions, 304 flow [2024-11-08 16:04:24,447 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 64.16666666666667) internal successors, (385), 6 states have internal predecessors, (385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:04:24,447 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:04:24,448 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] [2024-11-08 16:04:24,448 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 16:04:24,448 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-08 16:04:24,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:04:24,451 INFO L85 PathProgramCache]: Analyzing trace with hash 64161900, now seen corresponding path program 1 times [2024-11-08 16:04:24,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:04:24,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878158772] [2024-11-08 16:04:24,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:04:24,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:04:24,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:04:25,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:04:25,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:04:25,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878158772] [2024-11-08 16:04:25,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878158772] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:04:25,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:04:25,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 16:04:25,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540344431] [2024-11-08 16:04:25,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:04:25,006 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 16:04:25,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:04:25,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 16:04:25,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-08 16:04:25,406 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 81 [2024-11-08 16:04:25,407 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 100 transitions, 304 flow. Second operand has 6 states, 6 states have (on average 61.5) internal successors, (369), 6 states have internal predecessors, (369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:04:25,407 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:04:25,407 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 81 [2024-11-08 16:04:25,407 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:04:25,661 INFO L124 PetriNetUnfolderBase]: 118/628 cut-off events. [2024-11-08 16:04:25,661 INFO L125 PetriNetUnfolderBase]: For 99/109 co-relation queries the response was YES. [2024-11-08 16:04:25,665 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1143 conditions, 628 events. 118/628 cut-off events. For 99/109 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 4326 event pairs, 29 based on Foata normal form. 0/592 useless extension candidates. Maximal degree in co-relation 1099. Up to 204 conditions per place. [2024-11-08 16:04:25,672 INFO L140 encePairwiseOnDemand]: 70/81 looper letters, 42 selfloop transitions, 26 changer transitions 0/133 dead transitions. [2024-11-08 16:04:25,672 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 133 transitions, 526 flow [2024-11-08 16:04:25,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 16:04:25,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-08 16:04:25,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 414 transitions. [2024-11-08 16:04:25,680 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8518518518518519 [2024-11-08 16:04:25,680 INFO L175 Difference]: Start difference. First operand has 91 places, 100 transitions, 304 flow. Second operand 6 states and 414 transitions. [2024-11-08 16:04:25,680 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 133 transitions, 526 flow [2024-11-08 16:04:25,687 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 133 transitions, 526 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-08 16:04:25,691 INFO L231 Difference]: Finished difference. Result has 99 places, 122 transitions, 482 flow [2024-11-08 16:04:25,691 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=81, PETRI_DIFFERENCE_MINUEND_FLOW=304, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=100, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=482, PETRI_PLACES=99, PETRI_TRANSITIONS=122} [2024-11-08 16:04:25,692 INFO L277 CegarLoopForPetriNet]: 83 programPoint places, 16 predicate places. [2024-11-08 16:04:25,692 INFO L471 AbstractCegarLoop]: Abstraction has has 99 places, 122 transitions, 482 flow [2024-11-08 16:04:25,695 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 61.5) internal successors, (369), 6 states have internal predecessors, (369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:04:25,695 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:04:25,696 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] [2024-11-08 16:04:25,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 16:04:25,696 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-08 16:04:25,698 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:04:25,699 INFO L85 PathProgramCache]: Analyzing trace with hash 1042240329, now seen corresponding path program 1 times [2024-11-08 16:04:25,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:04:25,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118812224] [2024-11-08 16:04:25,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:04:25,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:04:25,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:04:26,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:04:26,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:04:26,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118812224] [2024-11-08 16:04:26,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118812224] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:04:26,259 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:04:26,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 16:04:26,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444203003] [2024-11-08 16:04:26,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:04:26,262 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 16:04:26,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:04:26,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 16:04:26,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-08 16:04:26,613 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 57 out of 81 [2024-11-08 16:04:26,614 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 122 transitions, 482 flow. Second operand has 6 states, 6 states have (on average 59.166666666666664) internal successors, (355), 6 states have internal predecessors, (355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:04:26,614 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:04:26,614 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 57 of 81 [2024-11-08 16:04:26,615 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:04:27,056 INFO L124 PetriNetUnfolderBase]: 294/1259 cut-off events. [2024-11-08 16:04:27,058 INFO L125 PetriNetUnfolderBase]: For 662/700 co-relation queries the response was YES. [2024-11-08 16:04:27,063 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2803 conditions, 1259 events. 294/1259 cut-off events. For 662/700 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 9665 event pairs, 68 based on Foata normal form. 16/1187 useless extension candidates. Maximal degree in co-relation 2756. Up to 426 conditions per place. [2024-11-08 16:04:27,073 INFO L140 encePairwiseOnDemand]: 66/81 looper letters, 78 selfloop transitions, 59 changer transitions 0/196 dead transitions. [2024-11-08 16:04:27,073 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 196 transitions, 1117 flow [2024-11-08 16:04:27,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 16:04:27,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-08 16:04:27,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 415 transitions. [2024-11-08 16:04:27,076 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8539094650205762 [2024-11-08 16:04:27,076 INFO L175 Difference]: Start difference. First operand has 99 places, 122 transitions, 482 flow. Second operand 6 states and 415 transitions. [2024-11-08 16:04:27,076 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 196 transitions, 1117 flow [2024-11-08 16:04:27,082 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 196 transitions, 1117 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-08 16:04:27,085 INFO L231 Difference]: Finished difference. Result has 108 places, 174 transitions, 1000 flow [2024-11-08 16:04:27,086 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=81, PETRI_DIFFERENCE_MINUEND_FLOW=482, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1000, PETRI_PLACES=108, PETRI_TRANSITIONS=174} [2024-11-08 16:04:27,087 INFO L277 CegarLoopForPetriNet]: 83 programPoint places, 25 predicate places. [2024-11-08 16:04:27,087 INFO L471 AbstractCegarLoop]: Abstraction has has 108 places, 174 transitions, 1000 flow [2024-11-08 16:04:27,087 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 59.166666666666664) internal successors, (355), 6 states have internal predecessors, (355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:04:27,088 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:04:27,088 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] [2024-11-08 16:04:27,088 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 16:04:27,088 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-08 16:04:27,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:04:27,089 INFO L85 PathProgramCache]: Analyzing trace with hash -1819396421, now seen corresponding path program 1 times [2024-11-08 16:04:27,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:04:27,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129710428] [2024-11-08 16:04:27,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:04:27,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:04:27,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:04:27,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:04:27,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:04:27,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129710428] [2024-11-08 16:04:27,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129710428] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:04:27,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:04:27,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 16:04:27,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364038911] [2024-11-08 16:04:27,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:04:27,534 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 16:04:27,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:04:27,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 16:04:27,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-08 16:04:27,845 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 54 out of 81 [2024-11-08 16:04:27,846 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 174 transitions, 1000 flow. Second operand has 6 states, 6 states have (on average 56.5) internal successors, (339), 6 states have internal predecessors, (339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:04:27,846 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:04:27,846 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 54 of 81 [2024-11-08 16:04:27,846 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:04:28,408 INFO L124 PetriNetUnfolderBase]: 482/1724 cut-off events. [2024-11-08 16:04:28,408 INFO L125 PetriNetUnfolderBase]: For 2248/2300 co-relation queries the response was YES. [2024-11-08 16:04:28,416 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4963 conditions, 1724 events. 482/1724 cut-off events. For 2248/2300 co-relation queries the response was YES. Maximal size of possible extension queue 145. Compared 13883 event pairs, 92 based on Foata normal form. 14/1667 useless extension candidates. Maximal degree in co-relation 4909. Up to 681 conditions per place. [2024-11-08 16:04:28,424 INFO L140 encePairwiseOnDemand]: 66/81 looper letters, 109 selfloop transitions, 77 changer transitions 11/260 dead transitions. [2024-11-08 16:04:28,425 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 260 transitions, 1922 flow [2024-11-08 16:04:28,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 16:04:28,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-08 16:04:28,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 400 transitions. [2024-11-08 16:04:28,428 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.823045267489712 [2024-11-08 16:04:28,428 INFO L175 Difference]: Start difference. First operand has 108 places, 174 transitions, 1000 flow. Second operand 6 states and 400 transitions. [2024-11-08 16:04:28,428 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 260 transitions, 1922 flow [2024-11-08 16:04:28,445 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 113 places, 260 transitions, 1854 flow, removed 34 selfloop flow, removed 0 redundant places. [2024-11-08 16:04:28,453 INFO L231 Difference]: Finished difference. Result has 117 places, 224 transitions, 1568 flow [2024-11-08 16:04:28,453 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=81, PETRI_DIFFERENCE_MINUEND_FLOW=948, PETRI_DIFFERENCE_MINUEND_PLACES=108, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=174, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=124, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1568, PETRI_PLACES=117, PETRI_TRANSITIONS=224} [2024-11-08 16:04:28,454 INFO L277 CegarLoopForPetriNet]: 83 programPoint places, 34 predicate places. [2024-11-08 16:04:28,455 INFO L471 AbstractCegarLoop]: Abstraction has has 117 places, 224 transitions, 1568 flow [2024-11-08 16:04:28,456 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 56.5) internal successors, (339), 6 states have internal predecessors, (339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:04:28,456 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:04:28,456 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] [2024-11-08 16:04:28,457 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 16:04:28,457 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-08 16:04:28,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:04:28,459 INFO L85 PathProgramCache]: Analyzing trace with hash 1653621330, now seen corresponding path program 1 times [2024-11-08 16:04:28,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:04:28,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018466814] [2024-11-08 16:04:28,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:04:28,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:04:28,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:04:28,507 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 16:04:28,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:04:28,563 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 16:04:28,563 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 16:04:28,565 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2024-11-08 16:04:28,567 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2024-11-08 16:04:28,568 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2024-11-08 16:04:28,568 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2024-11-08 16:04:28,568 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2024-11-08 16:04:28,568 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2024-11-08 16:04:28,569 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2024-11-08 16:04:28,569 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 16:04:28,569 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-08 16:04:28,612 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-08 16:04:28,612 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 16:04:28,618 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 04:04:28 BasicIcfg [2024-11-08 16:04:28,618 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 16:04:28,619 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 16:04:28,619 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 16:04:28,620 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 16:04:28,620 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:04:21" (3/4) ... [2024-11-08 16:04:28,621 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-08 16:04:28,669 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df45a23c-d5c3-4461-909e-beadc39a04a2/bin/uautomizer-verify-jihMAELWvX/witness.graphml [2024-11-08 16:04:28,670 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 16:04:28,671 INFO L158 Benchmark]: Toolchain (without parser) took 8205.43ms. Allocated memory was 144.7MB in the beginning and 213.9MB in the end (delta: 69.2MB). Free memory was 83.3MB in the beginning and 148.7MB in the end (delta: -65.4MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. [2024-11-08 16:04:28,671 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 144.7MB. Free memory is still 120.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:04:28,671 INFO L158 Benchmark]: CACSL2BoogieTranslator took 724.54ms. Allocated memory is still 144.7MB. Free memory was 83.2MB in the beginning and 102.7MB in the end (delta: -19.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 16:04:28,672 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.54ms. Allocated memory is still 144.7MB. Free memory was 102.7MB in the beginning and 100.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 16:04:28,673 INFO L158 Benchmark]: Boogie Preprocessor took 30.14ms. Allocated memory is still 144.7MB. Free memory was 100.6MB in the beginning and 99.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 16:04:28,673 INFO L158 Benchmark]: RCFGBuilder took 593.17ms. Allocated memory is still 144.7MB. Free memory was 99.0MB in the beginning and 83.3MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 16:04:28,674 INFO L158 Benchmark]: TraceAbstraction took 6723.48ms. Allocated memory was 144.7MB in the beginning and 213.9MB in the end (delta: 69.2MB). Free memory was 82.8MB in the beginning and 151.9MB in the end (delta: -69.1MB). Peak memory consumption was 2.2MB. Max. memory is 16.1GB. [2024-11-08 16:04:28,674 INFO L158 Benchmark]: Witness Printer took 50.53ms. Allocated memory is still 213.9MB. Free memory was 151.9MB in the beginning and 148.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 16:04:28,677 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 144.7MB. Free memory is still 120.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 724.54ms. Allocated memory is still 144.7MB. Free memory was 83.2MB in the beginning and 102.7MB in the end (delta: -19.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.54ms. Allocated memory is still 144.7MB. Free memory was 102.7MB in the beginning and 100.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.14ms. Allocated memory is still 144.7MB. Free memory was 100.6MB in the beginning and 99.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 593.17ms. Allocated memory is still 144.7MB. Free memory was 99.0MB in the beginning and 83.3MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 6723.48ms. Allocated memory was 144.7MB in the beginning and 213.9MB in the end (delta: 69.2MB). Free memory was 82.8MB in the beginning and 151.9MB in the end (delta: -69.1MB). Peak memory consumption was 2.2MB. Max. memory is 16.1GB. * Witness Printer took 50.53ms. Allocated memory is still 213.9MB. Free memory was 151.9MB in the beginning and 148.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - DataRaceFoundResult [Line: 694]: Data race detected Data race detected The following path leads to a data race: [L684] 0 int data[10]; VAL [data={1:0}] [L690] 0 int i = __VERIFIER_nondet_int(); VAL [data={1:0}, i=4] [L691] CALL 0 assume_abort_if_not(0 <= i && i < 10) [L11] COND FALSE 0 !(!cond) VAL [\old(cond)=1, cond=1, data={1:0}] [L691] RET 0 assume_abort_if_not(0 <= i && i < 10) [L692] 0 pthread_t id; VAL [data={1:0}, i=4] [L693] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [\old(arg)={0:0}, data={1:0}, i=4, id=-1] [L694] EXPR 0 data[i] VAL [\old(arg)={0:0}, data={1:0}, i=4, id=-1] [L694] 0 data[i]++ VAL [\old(arg)={0:0}, data={1:0}, i=4, id=-1] [L686] EXPR 1 data[4] VAL [\old(arg)={0:0}, arg={0:0}, data={1:0}] [L686] 1 data[4]++ VAL [\old(arg)={0:0}, arg={0:0}, data={1:0}] [L694] 0 data[i]++ VAL [\old(arg)={0:0}, arg={0:0}, data={1:0}, i=4, id=-1] [L686] 1 data[4]++ VAL [\old(arg)={0:0}, arg={0:0}, data={1:0}] [L694] 0 data[i]++ VAL [\old(arg)={0:0}, arg={0:0}, data={1:0}, i=4, id=-1] [L686] 1 data[4]++ VAL [\old(arg)={0:0}, arg={0:0}, data={1:0}] [L694] 0 data[i]++ VAL [\old(arg)={0:0}, arg={0:0}, data={1:0}, i=4, id=-1] Now there is a data race (on the heap) between C: data[4]++ [686] and C: data[i]++ [694] - UnprovableResult [Line: 694]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 693]: 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: 686]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 686]: 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 3 procedures, 105 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: 6.5s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 474 SdHoareTripleChecker+Valid, 2.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 333 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 1.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 124 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 997 IncrementalHoareTripleChecker+Invalid, 1121 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 124 mSolverCounterUnsat, 5 mSDtfsCounter, 997 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1568occurred in iteration=4, InterpolantAutomatonStates: 24, 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, 2.6s InterpolantComputationTime, 220 NumberOfCodeBlocks, 220 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 166 ConstructedInterpolants, 0 QuantifiedInterpolants, 574 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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! [2024-11-08 16:04:28,719 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df45a23c-d5c3-4461-909e-beadc39a04a2/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE