./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/05-lval_ls_07-glob_fld_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d4351f4-fb85-4702-ac78-827ce3b317c3/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d4351f4-fb85-4702-ac78-827ce3b317c3/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d4351f4-fb85-4702-ac78-827ce3b317c3/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d4351f4-fb85-4702-ac78-827ce3b317c3/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/05-lval_ls_07-glob_fld_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d4351f4-fb85-4702-ac78-827ce3b317c3/bin/uautomizer-tPACEb0tL8/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d4351f4-fb85-4702-ac78-827ce3b317c3/bin/uautomizer-tPACEb0tL8 --witnessprinter.witness.filename witness.graphml --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 4b10301f6f97c5435769d7b19a9e50d6b7ee8e52c2dd24af35f51d042843ff4c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 11:46:43,224 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:46:43,227 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:46:43,251 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:46:43,252 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:46:43,253 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:46:43,255 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:46:43,256 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:46:43,258 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:46:43,259 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:46:43,260 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:46:43,262 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:46:43,262 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:46:43,263 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:46:43,265 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:46:43,266 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:46:43,267 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:46:43,268 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:46:43,270 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:46:43,272 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:46:43,274 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:46:43,284 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:46:43,286 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:46:43,287 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:46:43,291 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:46:43,298 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:46:43,299 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:46:43,300 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:46:43,300 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:46:43,301 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:46:43,302 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:46:43,303 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:46:43,304 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:46:43,304 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:46:43,308 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:46:43,308 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:46:43,309 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:46:43,309 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:46:43,310 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:46:43,312 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:46:43,313 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:46:43,314 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d4351f4-fb85-4702-ac78-827ce3b317c3/bin/uautomizer-tPACEb0tL8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-16 11:46:43,351 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:46:43,355 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:46:43,356 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:46:43,356 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:46:43,358 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:46:43,358 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:46:43,359 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:46:43,359 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:46:43,359 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:46:43,360 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:46:43,361 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 11:46:43,361 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 11:46:43,361 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:46:43,362 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 11:46:43,362 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:46:43,362 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:46:43,362 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:46:43,363 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:46:43,363 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-16 11:46:43,363 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 11:46:43,363 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:46:43,364 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:46:43,364 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:46:43,364 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:46:43,364 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:46:43,365 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:46:43,366 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:46:43,366 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:46:43,367 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:46:43,367 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:46:43,367 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:46:43,367 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 11:46:43,368 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:46:43,368 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:46:43,368 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:46:43,369 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_8d4351f4-fb85-4702-ac78-827ce3b317c3/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d4351f4-fb85-4702-ac78-827ce3b317c3/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b10301f6f97c5435769d7b19a9e50d6b7ee8e52c2dd24af35f51d042843ff4c [2022-11-16 11:46:43,656 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:46:43,692 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:46:43,695 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:46:43,696 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:46:43,697 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:46:43,699 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d4351f4-fb85-4702-ac78-827ce3b317c3/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/goblint-regression/05-lval_ls_07-glob_fld_rc.i [2022-11-16 11:46:43,787 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d4351f4-fb85-4702-ac78-827ce3b317c3/bin/uautomizer-tPACEb0tL8/data/a8156fe4d/45ac3754c3174b0ca206f0a8190d6dd5/FLAG03b1aa814 [2022-11-16 11:46:44,408 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:46:44,409 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d4351f4-fb85-4702-ac78-827ce3b317c3/sv-benchmarks/c/goblint-regression/05-lval_ls_07-glob_fld_rc.i [2022-11-16 11:46:44,422 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d4351f4-fb85-4702-ac78-827ce3b317c3/bin/uautomizer-tPACEb0tL8/data/a8156fe4d/45ac3754c3174b0ca206f0a8190d6dd5/FLAG03b1aa814 [2022-11-16 11:46:44,718 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d4351f4-fb85-4702-ac78-827ce3b317c3/bin/uautomizer-tPACEb0tL8/data/a8156fe4d/45ac3754c3174b0ca206f0a8190d6dd5 [2022-11-16 11:46:44,727 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:46:44,728 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:46:44,732 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:46:44,732 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:46:44,736 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:46:44,737 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:46:44" (1/1) ... [2022-11-16 11:46:44,738 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f647ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:46:44, skipping insertion in model container [2022-11-16 11:46:44,739 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:46:44" (1/1) ... [2022-11-16 11:46:44,746 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:46:44,798 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:46:45,203 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:46:45,214 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:46:45,288 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:46:45,331 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:46:45,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:46:45 WrapperNode [2022-11-16 11:46:45,332 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:46:45,333 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:46:45,333 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:46:45,334 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:46:45,345 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:46:45" (1/1) ... [2022-11-16 11:46:45,361 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:46:45" (1/1) ... [2022-11-16 11:46:45,382 INFO L138 Inliner]: procedures = 161, calls = 14, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 39 [2022-11-16 11:46:45,383 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:46:45,383 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:46:45,384 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:46:45,384 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:46:45,393 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:46:45" (1/1) ... [2022-11-16 11:46:45,393 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:46:45" (1/1) ... [2022-11-16 11:46:45,396 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:46:45" (1/1) ... [2022-11-16 11:46:45,397 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:46:45" (1/1) ... [2022-11-16 11:46:45,410 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:46:45" (1/1) ... [2022-11-16 11:46:45,411 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:46:45" (1/1) ... [2022-11-16 11:46:45,413 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:46:45" (1/1) ... [2022-11-16 11:46:45,414 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:46:45" (1/1) ... [2022-11-16 11:46:45,416 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:46:45,417 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:46:45,417 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:46:45,418 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:46:45,418 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:46:45" (1/1) ... [2022-11-16 11:46:45,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:46:45,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d4351f4-fb85-4702-ac78-827ce3b317c3/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:46:45,455 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d4351f4-fb85-4702-ac78-827ce3b317c3/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:46:45,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d4351f4-fb85-4702-ac78-827ce3b317c3/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:46:45,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 11:46:45,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 11:46:45,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:46:45,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 11:46:45,496 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-16 11:46:45,496 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-16 11:46:45,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 11:46:45,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 11:46:45,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:46:45,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:46:45,499 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-16 11:46:45,680 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:46:45,683 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:46:45,895 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:46:45,901 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:46:45,902 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-16 11:46:45,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:46:45 BoogieIcfgContainer [2022-11-16 11:46:45,904 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:46:45,913 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:46:45,925 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:46:45,934 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:46:45,934 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:46:44" (1/3) ... [2022-11-16 11:46:45,935 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ab22381 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:46:45, skipping insertion in model container [2022-11-16 11:46:45,935 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:46:45" (2/3) ... [2022-11-16 11:46:45,936 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ab22381 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:46:45, skipping insertion in model container [2022-11-16 11:46:45,936 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:46:45" (3/3) ... [2022-11-16 11:46:45,937 INFO L112 eAbstractionObserver]: Analyzing ICFG 05-lval_ls_07-glob_fld_rc.i [2022-11-16 11:46:45,948 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-16 11:46:45,959 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:46:45,960 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-16 11:46:45,960 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-16 11:46:46,077 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-16 11:46:46,126 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 71 places, 67 transitions, 139 flow [2022-11-16 11:46:46,204 INFO L130 PetriNetUnfolder]: 0/66 cut-off events. [2022-11-16 11:46:46,204 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-16 11:46:46,207 INFO L83 FinitePrefix]: Finished finitePrefix Result has 70 conditions, 66 events. 0/66 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 54 event pairs, 0 based on Foata normal form. 0/62 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2022-11-16 11:46:46,208 INFO L82 GeneralOperation]: Start removeDead. Operand has 71 places, 67 transitions, 139 flow [2022-11-16 11:46:46,215 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 70 places, 66 transitions, 135 flow [2022-11-16 11:46:46,237 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:46:46,247 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@42e9bf9f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:46:46,248 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-11-16 11:46:46,273 INFO L130 PetriNetUnfolder]: 0/30 cut-off events. [2022-11-16 11:46:46,274 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-16 11:46:46,274 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:46:46,275 INFO L209 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] [2022-11-16 11:46:46,275 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-16 11:46:46,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:46:46,283 INFO L85 PathProgramCache]: Analyzing trace with hash -66226484, now seen corresponding path program 1 times [2022-11-16 11:46:46,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:46:46,294 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457257599] [2022-11-16 11:46:46,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:46:46,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:46:46,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:47,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:46:47,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:46:47,123 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457257599] [2022-11-16 11:46:47,124 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457257599] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:46:47,124 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:46:47,125 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:46:47,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217537940] [2022-11-16 11:46:47,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:46:47,136 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:46:47,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:46:47,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:46:47,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:46:47,171 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 67 [2022-11-16 11:46:47,174 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 66 transitions, 135 flow. Second operand has 6 states, 6 states have (on average 36.666666666666664) internal successors, (220), 6 states have internal predecessors, (220), 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) [2022-11-16 11:46:47,174 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:46:47,174 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 67 [2022-11-16 11:46:47,175 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:46:47,787 INFO L130 PetriNetUnfolder]: 331/1024 cut-off events. [2022-11-16 11:46:47,787 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-16 11:46:47,795 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1745 conditions, 1024 events. 331/1024 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 6481 event pairs, 77 based on Foata normal form. 0/922 useless extension candidates. Maximal degree in co-relation 1719. Up to 289 conditions per place. [2022-11-16 11:46:47,806 INFO L137 encePairwiseOnDemand]: 45/67 looper letters, 100 selfloop transitions, 42 changer transitions 0/176 dead transitions. [2022-11-16 11:46:47,807 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 176 transitions, 639 flow [2022-11-16 11:46:47,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:46:47,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 11:46:47,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 354 transitions. [2022-11-16 11:46:47,832 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8805970149253731 [2022-11-16 11:46:47,833 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 354 transitions. [2022-11-16 11:46:47,834 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 354 transitions. [2022-11-16 11:46:47,837 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:46:47,840 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 354 transitions. [2022-11-16 11:46:47,843 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 59.0) internal successors, (354), 6 states have internal predecessors, (354), 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) [2022-11-16 11:46:47,848 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 67.0) internal successors, (469), 7 states have internal predecessors, (469), 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) [2022-11-16 11:46:47,849 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 67.0) internal successors, (469), 7 states have internal predecessors, (469), 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) [2022-11-16 11:46:47,851 INFO L175 Difference]: Start difference. First operand has 70 places, 66 transitions, 135 flow. Second operand 6 states and 354 transitions. [2022-11-16 11:46:47,851 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 176 transitions, 639 flow [2022-11-16 11:46:47,855 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 176 transitions, 638 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-16 11:46:47,866 INFO L231 Difference]: Finished difference. Result has 79 places, 112 transitions, 450 flow [2022-11-16 11:46:47,872 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=67, PETRI_DIFFERENCE_MINUEND_FLOW=134, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=450, PETRI_PLACES=79, PETRI_TRANSITIONS=112} [2022-11-16 11:46:47,876 INFO L288 CegarLoopForPetriNet]: 70 programPoint places, 9 predicate places. [2022-11-16 11:46:47,879 INFO L495 AbstractCegarLoop]: Abstraction has has 79 places, 112 transitions, 450 flow [2022-11-16 11:46:47,880 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 36.666666666666664) internal successors, (220), 6 states have internal predecessors, (220), 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) [2022-11-16 11:46:47,880 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:46:47,880 INFO L209 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] [2022-11-16 11:46:47,881 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 11:46:47,882 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-16 11:46:47,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:46:47,883 INFO L85 PathProgramCache]: Analyzing trace with hash 243275985, now seen corresponding path program 1 times [2022-11-16 11:46:47,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:46:47,884 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526475027] [2022-11-16 11:46:47,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:46:47,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:46:47,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:48,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:46:48,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:46:48,328 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526475027] [2022-11-16 11:46:48,329 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526475027] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:46:48,329 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:46:48,329 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:46:48,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536524458] [2022-11-16 11:46:48,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:46:48,333 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:46:48,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:46:48,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:46:48,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:46:48,340 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 33 out of 67 [2022-11-16 11:46:48,343 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 112 transitions, 450 flow. Second operand has 6 states, 6 states have (on average 35.833333333333336) internal successors, (215), 6 states have internal predecessors, (215), 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) [2022-11-16 11:46:48,344 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:46:48,344 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 33 of 67 [2022-11-16 11:46:48,345 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:46:48,871 INFO L130 PetriNetUnfolder]: 501/1411 cut-off events. [2022-11-16 11:46:48,872 INFO L131 PetriNetUnfolder]: For 590/590 co-relation queries the response was YES. [2022-11-16 11:46:48,875 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3603 conditions, 1411 events. 501/1411 cut-off events. For 590/590 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 9425 event pairs, 152 based on Foata normal form. 23/1433 useless extension candidates. Maximal degree in co-relation 3573. Up to 718 conditions per place. [2022-11-16 11:46:48,886 INFO L137 encePairwiseOnDemand]: 50/67 looper letters, 115 selfloop transitions, 53 changer transitions 3/203 dead transitions. [2022-11-16 11:46:48,887 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 203 transitions, 1168 flow [2022-11-16 11:46:48,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:46:48,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 11:46:48,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 309 transitions. [2022-11-16 11:46:48,890 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7686567164179104 [2022-11-16 11:46:48,890 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 309 transitions. [2022-11-16 11:46:48,890 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 309 transitions. [2022-11-16 11:46:48,890 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:46:48,891 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 309 transitions. [2022-11-16 11:46:48,893 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 51.5) internal successors, (309), 6 states have internal predecessors, (309), 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) [2022-11-16 11:46:48,896 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 67.0) internal successors, (469), 7 states have internal predecessors, (469), 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) [2022-11-16 11:46:48,896 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 67.0) internal successors, (469), 7 states have internal predecessors, (469), 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) [2022-11-16 11:46:48,896 INFO L175 Difference]: Start difference. First operand has 79 places, 112 transitions, 450 flow. Second operand 6 states and 309 transitions. [2022-11-16 11:46:48,897 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 203 transitions, 1168 flow [2022-11-16 11:46:48,906 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 203 transitions, 1168 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-16 11:46:48,911 INFO L231 Difference]: Finished difference. Result has 89 places, 163 transitions, 956 flow [2022-11-16 11:46:48,912 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=67, PETRI_DIFFERENCE_MINUEND_FLOW=450, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=112, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=956, PETRI_PLACES=89, PETRI_TRANSITIONS=163} [2022-11-16 11:46:48,913 INFO L288 CegarLoopForPetriNet]: 70 programPoint places, 19 predicate places. [2022-11-16 11:46:48,913 INFO L495 AbstractCegarLoop]: Abstraction has has 89 places, 163 transitions, 956 flow [2022-11-16 11:46:48,913 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 35.833333333333336) internal successors, (215), 6 states have internal predecessors, (215), 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) [2022-11-16 11:46:48,913 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:46:48,914 INFO L209 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] [2022-11-16 11:46:48,914 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 11:46:48,915 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-16 11:46:48,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:46:48,915 INFO L85 PathProgramCache]: Analyzing trace with hash -503459018, now seen corresponding path program 1 times [2022-11-16 11:46:48,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:46:48,916 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095527793] [2022-11-16 11:46:48,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:46:48,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:46:48,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:49,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:46:49,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:46:49,219 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095527793] [2022-11-16 11:46:49,219 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2095527793] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:46:49,219 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:46:49,220 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:46:49,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85192167] [2022-11-16 11:46:49,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:46:49,221 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:46:49,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:46:49,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:46:49,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:46:49,222 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 32 out of 67 [2022-11-16 11:46:49,223 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 163 transitions, 956 flow. Second operand has 6 states, 6 states have (on average 35.0) internal successors, (210), 6 states have internal predecessors, (210), 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) [2022-11-16 11:46:49,223 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:46:49,223 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 32 of 67 [2022-11-16 11:46:49,223 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:46:49,762 INFO L130 PetriNetUnfolder]: 611/1700 cut-off events. [2022-11-16 11:46:49,762 INFO L131 PetriNetUnfolder]: For 1997/2000 co-relation queries the response was YES. [2022-11-16 11:46:49,768 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5457 conditions, 1700 events. 611/1700 cut-off events. For 1997/2000 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 11942 event pairs, 163 based on Foata normal form. 28/1722 useless extension candidates. Maximal degree in co-relation 5421. Up to 910 conditions per place. [2022-11-16 11:46:49,776 INFO L137 encePairwiseOnDemand]: 50/67 looper letters, 135 selfloop transitions, 58 changer transitions 36/263 dead transitions. [2022-11-16 11:46:49,776 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 263 transitions, 1970 flow [2022-11-16 11:46:49,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:46:49,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 11:46:49,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 304 transitions. [2022-11-16 11:46:49,778 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7562189054726368 [2022-11-16 11:46:49,778 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 304 transitions. [2022-11-16 11:46:49,779 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 304 transitions. [2022-11-16 11:46:49,780 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:46:49,780 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 304 transitions. [2022-11-16 11:46:49,781 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 50.666666666666664) internal successors, (304), 6 states have internal predecessors, (304), 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) [2022-11-16 11:46:49,782 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 67.0) internal successors, (469), 7 states have internal predecessors, (469), 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) [2022-11-16 11:46:49,785 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 67.0) internal successors, (469), 7 states have internal predecessors, (469), 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) [2022-11-16 11:46:49,785 INFO L175 Difference]: Start difference. First operand has 89 places, 163 transitions, 956 flow. Second operand 6 states and 304 transitions. [2022-11-16 11:46:49,785 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 263 transitions, 1970 flow [2022-11-16 11:46:49,798 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 263 transitions, 1962 flow, removed 4 selfloop flow, removed 0 redundant places. [2022-11-16 11:46:49,805 INFO L231 Difference]: Finished difference. Result has 98 places, 190 transitions, 1356 flow [2022-11-16 11:46:49,806 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=67, PETRI_DIFFERENCE_MINUEND_FLOW=948, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=126, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1356, PETRI_PLACES=98, PETRI_TRANSITIONS=190} [2022-11-16 11:46:49,809 INFO L288 CegarLoopForPetriNet]: 70 programPoint places, 28 predicate places. [2022-11-16 11:46:49,809 INFO L495 AbstractCegarLoop]: Abstraction has has 98 places, 190 transitions, 1356 flow [2022-11-16 11:46:49,810 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 35.0) internal successors, (210), 6 states have internal predecessors, (210), 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) [2022-11-16 11:46:49,810 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:46:49,810 INFO L209 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] [2022-11-16 11:46:49,810 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 11:46:49,810 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-16 11:46:49,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:46:49,811 INFO L85 PathProgramCache]: Analyzing trace with hash -1844235116, now seen corresponding path program 1 times [2022-11-16 11:46:49,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:46:49,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878306192] [2022-11-16 11:46:49,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:46:49,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:46:49,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:46:49,861 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:46:49,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:46:49,915 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:46:49,916 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-16 11:46:49,917 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2022-11-16 11:46:49,919 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2022-11-16 11:46:49,919 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2022-11-16 11:46:49,920 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2022-11-16 11:46:49,920 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2022-11-16 11:46:49,925 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2022-11-16 11:46:49,925 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2022-11-16 11:46:49,925 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 11:46:49,926 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-16 11:46:49,934 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-16 11:46:49,934 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 11:46:50,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:46:50 BasicIcfg [2022-11-16 11:46:50,001 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 11:46:50,002 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:46:50,003 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:46:50,003 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:46:50,003 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:46:45" (3/4) ... [2022-11-16 11:46:50,006 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-16 11:46:50,006 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:46:50,007 INFO L158 Benchmark]: Toolchain (without parser) took 5278.99ms. Allocated memory was 88.1MB in the beginning and 153.1MB in the end (delta: 65.0MB). Free memory was 49.4MB in the beginning and 76.6MB in the end (delta: -27.2MB). Peak memory consumption was 37.8MB. Max. memory is 16.1GB. [2022-11-16 11:46:50,011 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 88.1MB. Free memory is still 67.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:46:50,012 INFO L158 Benchmark]: CACSL2BoogieTranslator took 600.76ms. Allocated memory was 88.1MB in the beginning and 125.8MB in the end (delta: 37.7MB). Free memory was 49.3MB in the beginning and 94.1MB in the end (delta: -44.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 11:46:50,015 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.67ms. Allocated memory is still 125.8MB. Free memory was 94.1MB in the beginning and 92.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:46:50,016 INFO L158 Benchmark]: Boogie Preprocessor took 33.09ms. Allocated memory is still 125.8MB. Free memory was 92.0MB in the beginning and 90.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:46:50,016 INFO L158 Benchmark]: RCFGBuilder took 486.79ms. Allocated memory is still 125.8MB. Free memory was 90.5MB in the beginning and 77.3MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-16 11:46:50,017 INFO L158 Benchmark]: TraceAbstraction took 4088.50ms. Allocated memory was 125.8MB in the beginning and 153.1MB in the end (delta: 27.3MB). Free memory was 76.8MB in the beginning and 77.6MB in the end (delta: -885.0kB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. [2022-11-16 11:46:50,018 INFO L158 Benchmark]: Witness Printer took 4.03ms. Allocated memory is still 153.1MB. Free memory was 77.6MB in the beginning and 76.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:46:50,024 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 88.1MB. Free memory is still 67.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 600.76ms. Allocated memory was 88.1MB in the beginning and 125.8MB in the end (delta: 37.7MB). Free memory was 49.3MB in the beginning and 94.1MB in the end (delta: -44.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.67ms. Allocated memory is still 125.8MB. Free memory was 94.1MB in the beginning and 92.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.09ms. Allocated memory is still 125.8MB. Free memory was 92.0MB in the beginning and 90.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 486.79ms. Allocated memory is still 125.8MB. Free memory was 90.5MB in the beginning and 77.3MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 4088.50ms. Allocated memory was 125.8MB in the beginning and 153.1MB in the end (delta: 27.3MB). Free memory was 76.8MB in the beginning and 77.6MB in the end (delta: -885.0kB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. * Witness Printer took 4.03ms. Allocated memory is still 153.1MB. Free memory was 77.6MB in the beginning and 76.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - DataRaceFoundResult [Line: 690]: Data race detected Data race detected The following path leads to a data race: [L679-L682] 0 struct { int x; int y; } data; VAL [data={1:0}] [L688] 0 pthread_t id; VAL [data={1:0}, id={5:0}] [L689] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, data={1:0}, id={5:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L690] EXPR 0 data.x VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=0, id={5:0}] [L684] EXPR 1 data.x VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=0] [L684] 1 data.x++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=0] [L690] 0 data.x++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=0, data.x=0, id={5:0}] [L684] 1 data.x++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=0, data.x++=0] [L690] 0 data.x++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=0, data.x=0, data.x++=0, id={5:0}] [L690] 0 data.x++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=0, data.x=0, data.x++=0, data.x++=9, id={5:0}] Now there is a data race (on the heap) between C: data.x++ [684] and C: data.x++ [690] - UnprovableResult [Line: 690]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 689]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 684]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 684]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 92 locations, 7 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 3.8s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 85 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 85 mSDsluCounter, 76 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 113 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 610 IncrementalHoareTripleChecker+Invalid, 723 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 113 mSolverCounterUnsat, 76 mSDtfsCounter, 610 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1356occurred in iteration=3, InterpolantAutomatonStates: 18, 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, 1.3s InterpolantComputationTime, 125 NumberOfCodeBlocks, 125 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 86 ConstructedInterpolants, 0 QuantifiedInterpolants, 329 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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! [2022-11-16 11:46:50,087 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d4351f4-fb85-4702-ac78-827ce3b317c3/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, 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