./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/05-lval_ls_15-fldunknown_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_d53e343f-53ee-4240-bf3f-9a9445a9ba95/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53e343f-53ee-4240-bf3f-9a9445a9ba95/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_d53e343f-53ee-4240-bf3f-9a9445a9ba95/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53e343f-53ee-4240-bf3f-9a9445a9ba95/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/05-lval_ls_15-fldunknown_access.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53e343f-53ee-4240-bf3f-9a9445a9ba95/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_d53e343f-53ee-4240-bf3f-9a9445a9ba95/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 a138099a172ffd618c200f98f002dd42af622d442f084454d63ab9b76b3cf563 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 16:30:25,265 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 16:30:25,358 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53e343f-53ee-4240-bf3f-9a9445a9ba95/bin/uautomizer-verify-jihMAELWvX/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-08 16:30:25,363 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 16:30:25,365 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 16:30:25,417 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 16:30:25,418 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 16:30:25,419 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 16:30:25,420 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 16:30:25,421 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 16:30:25,422 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 16:30:25,423 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 16:30:25,423 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 16:30:25,426 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 16:30:25,426 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 16:30:25,426 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 16:30:25,427 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 16:30:25,427 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 16:30:25,427 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 16:30:25,428 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 16:30:25,428 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 16:30:25,432 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 16:30:25,433 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-08 16:30:25,433 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 16:30:25,433 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 16:30:25,434 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 16:30:25,434 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 16:30:25,434 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 16:30:25,435 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 16:30:25,442 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 16:30:25,443 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 16:30:25,443 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:30:25,444 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 16:30:25,444 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 16:30:25,444 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 16:30:25,445 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 16:30:25,445 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 16:30:25,445 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 16:30:25,445 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 16:30:25,446 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 16:30:25,446 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 16:30:25,447 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_d53e343f-53ee-4240-bf3f-9a9445a9ba95/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53e343f-53ee-4240-bf3f-9a9445a9ba95/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a138099a172ffd618c200f98f002dd42af622d442f084454d63ab9b76b3cf563 [2024-11-08 16:30:25,685 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 16:30:25,735 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 16:30:25,738 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 16:30:25,739 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 16:30:25,740 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 16:30:25,741 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53e343f-53ee-4240-bf3f-9a9445a9ba95/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/goblint-regression/05-lval_ls_15-fldunknown_access.i Unable to find full path for "g++" [2024-11-08 16:30:27,714 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 16:30:28,038 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 16:30:28,039 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53e343f-53ee-4240-bf3f-9a9445a9ba95/sv-benchmarks/c/goblint-regression/05-lval_ls_15-fldunknown_access.i [2024-11-08 16:30:28,055 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53e343f-53ee-4240-bf3f-9a9445a9ba95/bin/uautomizer-verify-jihMAELWvX/data/d6bb8d514/a504eb6c42684258a8058e160915c813/FLAG383bf786f [2024-11-08 16:30:28,296 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53e343f-53ee-4240-bf3f-9a9445a9ba95/bin/uautomizer-verify-jihMAELWvX/data/d6bb8d514/a504eb6c42684258a8058e160915c813 [2024-11-08 16:30:28,298 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 16:30:28,300 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 16:30:28,301 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 16:30:28,301 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 16:30:28,307 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 16:30:28,308 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:30:28" (1/1) ... [2024-11-08 16:30:28,309 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a931718 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:30:28, skipping insertion in model container [2024-11-08 16:30:28,309 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:30:28" (1/1) ... [2024-11-08 16:30:28,380 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 16:30:28,930 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:30:28,941 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 16:30:29,025 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:30:29,091 INFO L204 MainTranslator]: Completed translation [2024-11-08 16:30:29,092 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:30:29 WrapperNode [2024-11-08 16:30:29,092 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 16:30:29,094 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 16:30:29,094 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 16:30:29,094 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 16:30:29,102 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:30:29" (1/1) ... [2024-11-08 16:30:29,125 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:30:29" (1/1) ... [2024-11-08 16:30:29,160 INFO L138 Inliner]: procedures = 261, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 42 [2024-11-08 16:30:29,162 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 16:30:29,162 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 16:30:29,162 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 16:30:29,163 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 16:30:29,173 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:30:29" (1/1) ... [2024-11-08 16:30:29,174 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:30:29" (1/1) ... [2024-11-08 16:30:29,179 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:30:29" (1/1) ... [2024-11-08 16:30:29,179 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:30:29" (1/1) ... [2024-11-08 16:30:29,186 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:30:29" (1/1) ... [2024-11-08 16:30:29,188 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:30:29" (1/1) ... [2024-11-08 16:30:29,190 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:30:29" (1/1) ... [2024-11-08 16:30:29,191 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:30:29" (1/1) ... [2024-11-08 16:30:29,193 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 16:30:29,194 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 16:30:29,194 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 16:30:29,194 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 16:30:29,195 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:30:29" (1/1) ... [2024-11-08 16:30:29,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:30:29,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53e343f-53ee-4240-bf3f-9a9445a9ba95/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:30:29,235 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53e343f-53ee-4240-bf3f-9a9445a9ba95/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 16:30:29,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53e343f-53ee-4240-bf3f-9a9445a9ba95/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 16:30:29,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 16:30:29,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 16:30:29,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 16:30:29,270 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-08 16:30:29,271 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-08 16:30:29,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 16:30:29,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 16:30:29,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 16:30:29,273 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 16:30:29,456 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 16:30:29,463 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 16:30:29,760 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-08 16:30:29,760 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 16:30:29,777 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 16:30:29,779 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 16:30:29,779 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:30:29 BoogieIcfgContainer [2024-11-08 16:30:29,779 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 16:30:29,782 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 16:30:29,782 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 16:30:29,785 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 16:30:29,786 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 04:30:28" (1/3) ... [2024-11-08 16:30:29,787 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@db69af1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:30:29, skipping insertion in model container [2024-11-08 16:30:29,787 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:30:29" (2/3) ... [2024-11-08 16:30:29,787 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@db69af1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:30:29, skipping insertion in model container [2024-11-08 16:30:29,788 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:30:29" (3/3) ... [2024-11-08 16:30:29,790 INFO L112 eAbstractionObserver]: Analyzing ICFG 05-lval_ls_15-fldunknown_access.i [2024-11-08 16:30:29,812 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 16:30:29,812 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-08 16:30:29,813 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-08 16:30:29,895 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-08 16:30:29,932 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 73 places, 70 transitions, 144 flow [2024-11-08 16:30:29,971 INFO L124 PetriNetUnfolderBase]: 1/69 cut-off events. [2024-11-08 16:30:29,971 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-08 16:30:29,975 INFO L83 FinitePrefix]: Finished finitePrefix Result has 73 conditions, 69 events. 1/69 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. 0/64 useless extension candidates. Maximal degree in co-relation 21. Up to 2 conditions per place. [2024-11-08 16:30:29,975 INFO L82 GeneralOperation]: Start removeDead. Operand has 73 places, 70 transitions, 144 flow [2024-11-08 16:30:29,980 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 72 places, 69 transitions, 141 flow [2024-11-08 16:30:29,993 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 16:30:29,999 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;@24e9a720, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 16:30:29,999 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-08 16:30:30,010 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-08 16:30:30,011 INFO L124 PetriNetUnfolderBase]: 1/34 cut-off events. [2024-11-08 16:30:30,011 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-08 16:30:30,011 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:30:30,012 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] [2024-11-08 16:30:30,012 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 16:30:30,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:30:30,018 INFO L85 PathProgramCache]: Analyzing trace with hash -665811186, now seen corresponding path program 1 times [2024-11-08 16:30:30,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:30:30,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163003934] [2024-11-08 16:30:30,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:30:30,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:30:30,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:30,969 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 16:30:30,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:30:30,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163003934] [2024-11-08 16:30:30,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163003934] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:30:30,972 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:30:30,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 16:30:30,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2505312] [2024-11-08 16:30:30,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:30:30,984 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 16:30:30,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:30:31,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 16:30:31,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-08 16:30:31,356 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 53 out of 70 [2024-11-08 16:30:31,361 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 69 transitions, 141 flow. Second operand has 6 states, 6 states have (on average 54.166666666666664) internal successors, (325), 6 states have internal predecessors, (325), 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 16:30:31,361 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:30:31,362 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 53 of 70 [2024-11-08 16:30:31,363 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:30:31,506 INFO L124 PetriNetUnfolderBase]: 59/306 cut-off events. [2024-11-08 16:30:31,507 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-08 16:30:31,509 INFO L83 FinitePrefix]: Finished finitePrefix Result has 449 conditions, 306 events. 59/306 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1413 event pairs, 20 based on Foata normal form. 0/289 useless extension candidates. Maximal degree in co-relation 420. Up to 110 conditions per place. [2024-11-08 16:30:31,511 INFO L140 encePairwiseOnDemand]: 59/70 looper letters, 16 selfloop transitions, 22 changer transitions 0/90 dead transitions. [2024-11-08 16:30:31,512 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 90 transitions, 259 flow [2024-11-08 16:30:31,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 16:30:31,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-08 16:30:31,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 357 transitions. [2024-11-08 16:30:31,526 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.85 [2024-11-08 16:30:31,528 INFO L175 Difference]: Start difference. First operand has 72 places, 69 transitions, 141 flow. Second operand 6 states and 357 transitions. [2024-11-08 16:30:31,529 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 90 transitions, 259 flow [2024-11-08 16:30:31,532 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 90 transitions, 258 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-08 16:30:31,535 INFO L231 Difference]: Finished difference. Result has 81 places, 90 transitions, 290 flow [2024-11-08 16:30:31,538 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=140, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=290, PETRI_PLACES=81, PETRI_TRANSITIONS=90} [2024-11-08 16:30:31,541 INFO L277 CegarLoopForPetriNet]: 72 programPoint places, 9 predicate places. [2024-11-08 16:30:31,541 INFO L471 AbstractCegarLoop]: Abstraction has has 81 places, 90 transitions, 290 flow [2024-11-08 16:30:31,542 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 54.166666666666664) internal successors, (325), 6 states have internal predecessors, (325), 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 16:30:31,542 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:30:31,542 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] [2024-11-08 16:30:31,542 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 16:30:31,543 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 16:30:31,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:30:31,543 INFO L85 PathProgramCache]: Analyzing trace with hash 941854793, now seen corresponding path program 1 times [2024-11-08 16:30:31,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:30:31,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802712463] [2024-11-08 16:30:31,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:30:31,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:30:31,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:31,936 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 16:30:31,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:30:31,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802712463] [2024-11-08 16:30:31,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [802712463] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:30:31,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:30:31,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 16:30:31,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140258007] [2024-11-08 16:30:31,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:30:31,939 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 16:30:31,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:30:31,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 16:30:31,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-08 16:30:32,148 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 49 out of 70 [2024-11-08 16:30:32,149 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 90 transitions, 290 flow. Second operand has 6 states, 6 states have (on average 50.5) internal successors, (303), 6 states have internal predecessors, (303), 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 16:30:32,150 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:30:32,150 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 49 of 70 [2024-11-08 16:30:32,151 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:30:32,355 INFO L124 PetriNetUnfolderBase]: 91/419 cut-off events. [2024-11-08 16:30:32,355 INFO L125 PetriNetUnfolderBase]: For 119/124 co-relation queries the response was YES. [2024-11-08 16:30:32,357 INFO L83 FinitePrefix]: Finished finitePrefix Result has 795 conditions, 419 events. 91/419 cut-off events. For 119/124 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 2258 event pairs, 24 based on Foata normal form. 0/401 useless extension candidates. Maximal degree in co-relation 759. Up to 173 conditions per place. [2024-11-08 16:30:32,360 INFO L140 encePairwiseOnDemand]: 59/70 looper letters, 33 selfloop transitions, 26 changer transitions 0/111 dead transitions. [2024-11-08 16:30:32,361 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 111 transitions, 468 flow [2024-11-08 16:30:32,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 16:30:32,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-08 16:30:32,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 337 transitions. [2024-11-08 16:30:32,363 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8023809523809524 [2024-11-08 16:30:32,364 INFO L175 Difference]: Start difference. First operand has 81 places, 90 transitions, 290 flow. Second operand 6 states and 337 transitions. [2024-11-08 16:30:32,364 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 111 transitions, 468 flow [2024-11-08 16:30:32,370 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 111 transitions, 468 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-08 16:30:32,372 INFO L231 Difference]: Finished difference. Result has 91 places, 111 transitions, 474 flow [2024-11-08 16:30:32,374 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=290, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=474, PETRI_PLACES=91, PETRI_TRANSITIONS=111} [2024-11-08 16:30:32,374 INFO L277 CegarLoopForPetriNet]: 72 programPoint places, 19 predicate places. [2024-11-08 16:30:32,375 INFO L471 AbstractCegarLoop]: Abstraction has has 91 places, 111 transitions, 474 flow [2024-11-08 16:30:32,375 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 50.5) internal successors, (303), 6 states have internal predecessors, (303), 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 16:30:32,375 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:30:32,375 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] [2024-11-08 16:30:32,376 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 16:30:32,376 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 16:30:32,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:30:32,378 INFO L85 PathProgramCache]: Analyzing trace with hash -1446777837, now seen corresponding path program 1 times [2024-11-08 16:30:32,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:30:32,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343312570] [2024-11-08 16:30:32,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:30:32,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:30:32,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:32,773 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 16:30:32,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:30:32,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343312570] [2024-11-08 16:30:32,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343312570] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:30:32,775 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:30:32,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 16:30:32,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334979839] [2024-11-08 16:30:32,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:30:32,776 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 16:30:32,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:30:32,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 16:30:32,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-08 16:30:32,947 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 47 out of 70 [2024-11-08 16:30:32,947 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 111 transitions, 474 flow. Second operand has 6 states, 6 states have (on average 49.166666666666664) internal successors, (295), 6 states have internal predecessors, (295), 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 16:30:32,947 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:30:32,948 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 47 of 70 [2024-11-08 16:30:32,948 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:30:33,187 INFO L124 PetriNetUnfolderBase]: 197/698 cut-off events. [2024-11-08 16:30:33,187 INFO L125 PetriNetUnfolderBase]: For 456/470 co-relation queries the response was YES. [2024-11-08 16:30:33,191 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1732 conditions, 698 events. 197/698 cut-off events. For 456/470 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 4026 event pairs, 35 based on Foata normal form. 1/663 useless extension candidates. Maximal degree in co-relation 1694. Up to 352 conditions per place. [2024-11-08 16:30:33,194 INFO L140 encePairwiseOnDemand]: 55/70 looper letters, 58 selfloop transitions, 53 changer transitions 0/158 dead transitions. [2024-11-08 16:30:33,195 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 158 transitions, 924 flow [2024-11-08 16:30:33,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 16:30:33,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-08 16:30:33,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 343 transitions. [2024-11-08 16:30:33,197 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8166666666666667 [2024-11-08 16:30:33,197 INFO L175 Difference]: Start difference. First operand has 91 places, 111 transitions, 474 flow. Second operand 6 states and 343 transitions. [2024-11-08 16:30:33,197 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 158 transitions, 924 flow [2024-11-08 16:30:33,203 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 158 transitions, 924 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-08 16:30:33,206 INFO L231 Difference]: Finished difference. Result has 101 places, 158 transitions, 956 flow [2024-11-08 16:30:33,207 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=474, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=956, PETRI_PLACES=101, PETRI_TRANSITIONS=158} [2024-11-08 16:30:33,208 INFO L277 CegarLoopForPetriNet]: 72 programPoint places, 29 predicate places. [2024-11-08 16:30:33,208 INFO L471 AbstractCegarLoop]: Abstraction has has 101 places, 158 transitions, 956 flow [2024-11-08 16:30:33,208 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 49.166666666666664) internal successors, (295), 6 states have internal predecessors, (295), 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 16:30:33,208 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:30:33,209 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] [2024-11-08 16:30:33,209 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 16:30:33,209 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 16:30:33,210 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:30:33,210 INFO L85 PathProgramCache]: Analyzing trace with hash -1623437392, now seen corresponding path program 1 times [2024-11-08 16:30:33,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:30:33,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383792343] [2024-11-08 16:30:33,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:30:33,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:30:33,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:33,485 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 16:30:33,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:30:33,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383792343] [2024-11-08 16:30:33,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [383792343] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:30:33,486 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:30:33,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 16:30:33,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899862963] [2024-11-08 16:30:33,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:30:33,487 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 16:30:33,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:30:33,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 16:30:33,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-08 16:30:33,604 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 43 out of 70 [2024-11-08 16:30:33,605 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 158 transitions, 956 flow. Second operand has 6 states, 6 states have (on average 45.5) internal successors, (273), 6 states have internal predecessors, (273), 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 16:30:33,605 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:30:33,605 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 43 of 70 [2024-11-08 16:30:33,605 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:30:33,876 INFO L124 PetriNetUnfolderBase]: 308/969 cut-off events. [2024-11-08 16:30:33,877 INFO L125 PetriNetUnfolderBase]: For 1322/1355 co-relation queries the response was YES. [2024-11-08 16:30:33,880 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2985 conditions, 969 events. 308/969 cut-off events. For 1322/1355 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 6077 event pairs, 49 based on Foata normal form. 3/944 useless extension candidates. Maximal degree in co-relation 2939. Up to 515 conditions per place. [2024-11-08 16:30:33,886 INFO L140 encePairwiseOnDemand]: 55/70 looper letters, 99 selfloop transitions, 61 changer transitions 6/211 dead transitions. [2024-11-08 16:30:33,886 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 211 transitions, 1618 flow [2024-11-08 16:30:33,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 16:30:33,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-08 16:30:33,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 323 transitions. [2024-11-08 16:30:33,892 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7690476190476191 [2024-11-08 16:30:33,892 INFO L175 Difference]: Start difference. First operand has 101 places, 158 transitions, 956 flow. Second operand 6 states and 323 transitions. [2024-11-08 16:30:33,892 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 211 transitions, 1618 flow [2024-11-08 16:30:33,907 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 211 transitions, 1554 flow, removed 32 selfloop flow, removed 0 redundant places. [2024-11-08 16:30:33,914 INFO L231 Difference]: Finished difference. Result has 111 places, 205 transitions, 1478 flow [2024-11-08 16:30:33,914 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=898, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=124, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1478, PETRI_PLACES=111, PETRI_TRANSITIONS=205} [2024-11-08 16:30:33,915 INFO L277 CegarLoopForPetriNet]: 72 programPoint places, 39 predicate places. [2024-11-08 16:30:33,915 INFO L471 AbstractCegarLoop]: Abstraction has has 111 places, 205 transitions, 1478 flow [2024-11-08 16:30:33,915 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 45.5) internal successors, (273), 6 states have internal predecessors, (273), 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 16:30:33,916 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:30:33,916 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 16:30:33,917 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 16:30:33,918 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 16:30:33,919 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:30:33,919 INFO L85 PathProgramCache]: Analyzing trace with hash 728113247, now seen corresponding path program 1 times [2024-11-08 16:30:33,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:30:33,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172805386] [2024-11-08 16:30:33,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:30:33,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:30:33,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:30:33,960 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 16:30:33,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:30:34,011 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 16:30:34,011 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 16:30:34,012 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2024-11-08 16:30:34,015 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2024-11-08 16:30:34,015 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2024-11-08 16:30:34,016 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2024-11-08 16:30:34,016 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2024-11-08 16:30:34,016 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2024-11-08 16:30:34,017 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2024-11-08 16:30:34,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 16:30:34,017 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-08 16:30:34,066 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-08 16:30:34,066 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 16:30:34,074 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 04:30:34 BasicIcfg [2024-11-08 16:30:34,074 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 16:30:34,075 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 16:30:34,075 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 16:30:34,075 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 16:30:34,077 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:30:29" (3/4) ... [2024-11-08 16:30:34,079 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-08 16:30:34,144 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53e343f-53ee-4240-bf3f-9a9445a9ba95/bin/uautomizer-verify-jihMAELWvX/witness.graphml [2024-11-08 16:30:34,144 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 16:30:34,144 INFO L158 Benchmark]: Toolchain (without parser) took 5844.81ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 119.9MB in the beginning and 136.2MB in the end (delta: -16.4MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. [2024-11-08 16:30:34,145 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 119.5MB. Free memory was 92.8MB in the beginning and 92.7MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:30:34,145 INFO L158 Benchmark]: CACSL2BoogieTranslator took 791.88ms. Allocated memory is still 151.0MB. Free memory was 119.9MB in the beginning and 89.4MB in the end (delta: 30.5MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-11-08 16:30:34,145 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.11ms. Allocated memory is still 151.0MB. Free memory was 89.4MB in the beginning and 87.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 16:30:34,146 INFO L158 Benchmark]: Boogie Preprocessor took 30.70ms. Allocated memory is still 151.0MB. Free memory was 87.3MB in the beginning and 85.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 16:30:34,146 INFO L158 Benchmark]: RCFGBuilder took 585.83ms. Allocated memory is still 151.0MB. Free memory was 85.8MB in the beginning and 111.3MB in the end (delta: -25.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 16:30:34,146 INFO L158 Benchmark]: TraceAbstraction took 4292.35ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 111.3MB in the beginning and 139.4MB in the end (delta: -28.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-08 16:30:34,151 INFO L158 Benchmark]: Witness Printer took 69.10ms. Allocated memory is still 182.5MB. Free memory was 139.4MB in the beginning and 136.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 16:30:34,153 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 119.5MB. Free memory was 92.8MB in the beginning and 92.7MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 791.88ms. Allocated memory is still 151.0MB. Free memory was 119.9MB in the beginning and 89.4MB in the end (delta: 30.5MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.11ms. Allocated memory is still 151.0MB. Free memory was 89.4MB in the beginning and 87.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.70ms. Allocated memory is still 151.0MB. Free memory was 87.3MB in the beginning and 85.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 585.83ms. Allocated memory is still 151.0MB. Free memory was 85.8MB in the beginning and 111.3MB in the end (delta: -25.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 4292.35ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 111.3MB in the beginning and 139.4MB in the end (delta: -28.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Witness Printer took 69.10ms. Allocated memory is still 182.5MB. Free memory was 139.4MB in the beginning and 136.2MB 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: 932]: Data race detected Data race detected The following path leads to a data race: [L918-L921] 0 struct { int x; int y; } data; VAL [data={1:0}] [L927] 0 int *i,j = __VERIFIER_nondet_int(); VAL [data={1:0}] [L927] 0 int *i,j = __VERIFIER_nondet_int(); VAL [data={1:0}, j=1] [L928] 0 pthread_t id; VAL [data={1:0}, j=1] [L929] COND TRUE 0 \read(j) VAL [data={1:0}, j=1] [L929] 0 i = &data.x VAL [data={1:0}, i={1:0}, j=1] [L931] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [\old(arg)={0:0}, data={1:0}, i={1:0}, id=-1, j=1] [L932] EXPR 0 \read(*i) VAL [\old(arg)={0:0}, data={1:0}, i={1:0}, id=-1, j=1] [L932] 0 (*i)++ VAL [\old(arg)={0:0}, data={1:0}, i={1:0}, id=-1, j=1] [L923] EXPR 1 data.x VAL [\old(arg)={0:0}, arg={0:0}, data={1:0}] [L923] 1 data.x++ VAL [\old(arg)={0:0}, arg={0:0}, data={1:0}] [L932] 0 (*i)++ VAL [\old(arg)={0:0}, arg={0:0}, data={1:0}, i={1:0}, id=-1, j=1] [L923] 1 data.x++ VAL [\old(arg)={0:0}, arg={0:0}, data={1:0}] [L932] 0 (*i)++ VAL [\old(arg)={0:0}, arg={0:0}, data={1:0}, i={1:0}, id=-1, j=1] [L923] 1 data.x++ VAL [\old(arg)={0:0}, arg={0:0}, data={1:0}] [L932] 0 (*i)++ VAL [\old(arg)={0:0}, arg={0:0}, data={1:0}, i={1:0}, id=-1, j=1] [L923] 1 data.x++ VAL [\old(arg)={0:0}, arg={0:0}, data={1:0}] [L932] 0 (*i)++ VAL [\old(arg)={0:0}, arg={0:0}, data={1:0}, i={1:0}, id=-1, j=1] Now there is a data race (on the heap) between C: data.x++ [923] and C: (*i)++ [932] - UnprovableResult [Line: 932]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 931]: 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: 923]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 923]: 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, 94 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: 4.1s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 269 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 169 mSDsluCounter, 3 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 90 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 765 IncrementalHoareTripleChecker+Invalid, 855 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 90 mSolverCounterUnsat, 3 mSDtfsCounter, 765 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, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1478occurred 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, 1.8s InterpolantComputationTime, 165 NumberOfCodeBlocks, 165 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 122 ConstructedInterpolants, 0 QuantifiedInterpolants, 446 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 16:30:34,186 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53e343f-53ee-4240-bf3f-9a9445a9ba95/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