./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/05-lval_ls_05-glob_idx_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 9bd2c7ff 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_3dcff810-dd60-4364-ba0d-aff9d1274639/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dcff810-dd60-4364-ba0d-aff9d1274639/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dcff810-dd60-4364-ba0d-aff9d1274639/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dcff810-dd60-4364-ba0d-aff9d1274639/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/05-lval_ls_05-glob_idx_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dcff810-dd60-4364-ba0d-aff9d1274639/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dcff810-dd60-4364-ba0d-aff9d1274639/bin/uautomizer-verify-uCwYo4JHxu --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 2fcc1dcc31779a35e2f35b3e877295c0d57fe6307bda5e3a2aea7571c9345e88 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 08:02:18,018 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:02:18,127 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dcff810-dd60-4364-ba0d-aff9d1274639/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-19 08:02:18,139 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:02:18,140 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:02:18,181 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:02:18,184 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:02:18,185 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:02:18,187 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 08:02:18,192 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 08:02:18,193 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:02:18,193 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:02:18,194 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:02:18,196 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:02:18,197 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 08:02:18,197 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 08:02:18,198 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 08:02:18,198 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 08:02:18,199 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:02:18,199 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 08:02:18,200 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 08:02:18,201 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 08:02:18,201 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-19 08:02:18,202 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 08:02:18,202 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 08:02:18,203 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 08:02:18,203 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:02:18,204 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:02:18,205 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:02:18,205 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 08:02:18,207 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:02:18,207 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:02:18,208 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 08:02:18,208 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 08:02:18,208 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 08:02:18,208 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 08:02:18,209 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 08:02:18,209 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 08:02:18,209 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 08:02:18,210 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 08:02:18,210 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 08:02:18,210 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_3dcff810-dd60-4364-ba0d-aff9d1274639/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dcff810-dd60-4364-ba0d-aff9d1274639/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2fcc1dcc31779a35e2f35b3e877295c0d57fe6307bda5e3a2aea7571c9345e88 [2023-11-19 08:02:18,511 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:02:18,551 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:02:18,554 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:02:18,556 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:02:18,556 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:02:18,558 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dcff810-dd60-4364-ba0d-aff9d1274639/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/goblint-regression/05-lval_ls_05-glob_idx_rc.i [2023-11-19 08:02:21,861 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:02:22,223 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:02:22,224 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dcff810-dd60-4364-ba0d-aff9d1274639/sv-benchmarks/c/goblint-regression/05-lval_ls_05-glob_idx_rc.i [2023-11-19 08:02:22,243 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dcff810-dd60-4364-ba0d-aff9d1274639/bin/uautomizer-verify-uCwYo4JHxu/data/acf8132f0/9c94e7c013324a4f80f6d51e3391153c/FLAGf75b54b29 [2023-11-19 08:02:22,259 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dcff810-dd60-4364-ba0d-aff9d1274639/bin/uautomizer-verify-uCwYo4JHxu/data/acf8132f0/9c94e7c013324a4f80f6d51e3391153c [2023-11-19 08:02:22,261 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:02:22,263 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:02:22,264 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:02:22,264 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:02:22,276 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:02:22,277 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:02:22" (1/1) ... [2023-11-19 08:02:22,280 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41ebfd12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:22, skipping insertion in model container [2023-11-19 08:02:22,281 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:02:22" (1/1) ... [2023-11-19 08:02:22,325 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:02:22,745 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:02:22,758 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 08:02:22,824 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:02:22,873 INFO L206 MainTranslator]: Completed translation [2023-11-19 08:02:22,874 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:22 WrapperNode [2023-11-19 08:02:22,874 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:02:22,876 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 08:02:22,876 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 08:02:22,876 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 08:02:22,885 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:22" (1/1) ... [2023-11-19 08:02:22,902 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:22" (1/1) ... [2023-11-19 08:02:22,923 INFO L138 Inliner]: procedures = 160, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 37 [2023-11-19 08:02:22,923 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 08:02:22,924 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 08:02:22,924 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 08:02:22,924 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 08:02:22,933 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:22" (1/1) ... [2023-11-19 08:02:22,934 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:22" (1/1) ... [2023-11-19 08:02:22,938 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:22" (1/1) ... [2023-11-19 08:02:22,939 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:22" (1/1) ... [2023-11-19 08:02:22,948 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:22" (1/1) ... [2023-11-19 08:02:22,950 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:22" (1/1) ... [2023-11-19 08:02:22,952 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:22" (1/1) ... [2023-11-19 08:02:22,953 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:22" (1/1) ... [2023-11-19 08:02:22,956 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 08:02:22,957 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 08:02:22,957 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 08:02:22,958 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 08:02:22,958 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:22" (1/1) ... [2023-11-19 08:02:22,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:02:22,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dcff810-dd60-4364-ba0d-aff9d1274639/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:02:22,992 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dcff810-dd60-4364-ba0d-aff9d1274639/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 08:02:23,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dcff810-dd60-4364-ba0d-aff9d1274639/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 08:02:23,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 08:02:23,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 08:02:23,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 08:02:23,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 08:02:23,044 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-19 08:02:23,044 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-19 08:02:23,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 08:02:23,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 08:02:23,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 08:02:23,046 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 08:02:23,176 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 08:02:23,178 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 08:02:23,379 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 08:02:23,389 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 08:02:23,389 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 08:02:23,393 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:02:23 BoogieIcfgContainer [2023-11-19 08:02:23,393 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 08:02:23,396 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 08:02:23,397 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 08:02:23,400 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 08:02:23,401 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:02:22" (1/3) ... [2023-11-19 08:02:23,402 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43bec60f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:02:23, skipping insertion in model container [2023-11-19 08:02:23,402 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:22" (2/3) ... [2023-11-19 08:02:23,403 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43bec60f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:02:23, skipping insertion in model container [2023-11-19 08:02:23,403 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:02:23" (3/3) ... [2023-11-19 08:02:23,405 INFO L112 eAbstractionObserver]: Analyzing ICFG 05-lval_ls_05-glob_idx_rc.i [2023-11-19 08:02:23,415 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-19 08:02:23,428 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 08:02:23,428 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-11-19 08:02:23,428 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-19 08:02:23,514 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-19 08:02:23,552 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 66 places, 62 transitions, 128 flow [2023-11-19 08:02:23,625 INFO L124 PetriNetUnfolderBase]: 0/61 cut-off events. [2023-11-19 08:02:23,627 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 08:02:23,630 INFO L83 FinitePrefix]: Finished finitePrefix Result has 65 conditions, 61 events. 0/61 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. 0/57 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2023-11-19 08:02:23,631 INFO L82 GeneralOperation]: Start removeDead. Operand has 66 places, 62 transitions, 128 flow [2023-11-19 08:02:23,636 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 65 places, 61 transitions, 125 flow [2023-11-19 08:02:23,641 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-19 08:02:23,678 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 65 places, 61 transitions, 125 flow [2023-11-19 08:02:23,681 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 65 places, 61 transitions, 125 flow [2023-11-19 08:02:23,682 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 65 places, 61 transitions, 125 flow [2023-11-19 08:02:23,722 INFO L124 PetriNetUnfolderBase]: 0/61 cut-off events. [2023-11-19 08:02:23,723 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 08:02:23,723 INFO L83 FinitePrefix]: Finished finitePrefix Result has 65 conditions, 61 events. 0/61 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. 0/57 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2023-11-19 08:02:23,726 INFO L119 LiptonReduction]: Number of co-enabled transitions 1188 [2023-11-19 08:02:25,101 INFO L134 LiptonReduction]: Checked pairs total: 4575 [2023-11-19 08:02:25,102 INFO L136 LiptonReduction]: Total number of compositions: 31 [2023-11-19 08:02:25,120 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 08:02:25,132 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=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;@73e9d699, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 08:02:25,133 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2023-11-19 08:02:25,149 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-19 08:02:25,149 INFO L124 PetriNetUnfolderBase]: 0/12 cut-off events. [2023-11-19 08:02:25,149 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 08:02:25,150 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 08:02:25,150 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:02:25,152 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)] === [2023-11-19 08:02:25,158 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:25,158 INFO L85 PathProgramCache]: Analyzing trace with hash 1137874884, now seen corresponding path program 1 times [2023-11-19 08:02:25,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:02:25,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207484725] [2023-11-19 08:02:25,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:25,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:02:25,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:25,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:02:25,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:02:25,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207484725] [2023-11-19 08:02:25,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [207484725] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:02:25,921 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:02:25,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 08:02:25,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162811516] [2023-11-19 08:02:25,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:02:25,934 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 08:02:25,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:02:25,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 08:02:25,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-19 08:02:26,205 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 38 out of 93 [2023-11-19 08:02:26,208 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 30 transitions, 63 flow. Second operand has 6 states, 6 states have (on average 39.333333333333336) internal successors, (236), 6 states have internal predecessors, (236), 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) [2023-11-19 08:02:26,208 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 08:02:26,209 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 38 of 93 [2023-11-19 08:02:26,210 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 08:02:26,517 INFO L124 PetriNetUnfolderBase]: 240/581 cut-off events. [2023-11-19 08:02:26,518 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 08:02:26,522 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1114 conditions, 581 events. 240/581 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 3055 event pairs, 53 based on Foata normal form. 0/559 useless extension candidates. Maximal degree in co-relation 1105. Up to 217 conditions per place. [2023-11-19 08:02:26,528 INFO L140 encePairwiseOnDemand]: 71/93 looper letters, 83 selfloop transitions, 42 changer transitions 0/128 dead transitions. [2023-11-19 08:02:26,528 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 128 transitions, 509 flow [2023-11-19 08:02:26,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 08:02:26,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-19 08:02:26,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 355 transitions. [2023-11-19 08:02:26,545 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6362007168458781 [2023-11-19 08:02:26,546 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 355 transitions. [2023-11-19 08:02:26,547 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 355 transitions. [2023-11-19 08:02:26,549 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:02:26,552 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 355 transitions. [2023-11-19 08:02:26,556 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 59.166666666666664) internal successors, (355), 6 states have internal predecessors, (355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:26,561 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 93.0) internal successors, (651), 7 states have internal predecessors, (651), 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) [2023-11-19 08:02:26,562 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 93.0) internal successors, (651), 7 states have internal predecessors, (651), 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) [2023-11-19 08:02:26,564 INFO L175 Difference]: Start difference. First operand has 34 places, 30 transitions, 63 flow. Second operand 6 states and 355 transitions. [2023-11-19 08:02:26,565 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 128 transitions, 509 flow [2023-11-19 08:02:26,568 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 128 transitions, 508 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-19 08:02:26,572 INFO L231 Difference]: Finished difference. Result has 43 places, 76 transitions, 378 flow [2023-11-19 08:02:26,574 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=62, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=10, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=378, PETRI_PLACES=43, PETRI_TRANSITIONS=76} [2023-11-19 08:02:26,578 INFO L281 CegarLoopForPetriNet]: 34 programPoint places, 9 predicate places. [2023-11-19 08:02:26,579 INFO L495 AbstractCegarLoop]: Abstraction has has 43 places, 76 transitions, 378 flow [2023-11-19 08:02:26,579 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 39.333333333333336) internal successors, (236), 6 states have internal predecessors, (236), 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) [2023-11-19 08:02:26,579 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 08:02:26,579 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:02:26,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 08:02:26,580 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)] === [2023-11-19 08:02:26,581 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:26,581 INFO L85 PathProgramCache]: Analyzing trace with hash 1662947219, now seen corresponding path program 1 times [2023-11-19 08:02:26,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:02:26,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132547110] [2023-11-19 08:02:26,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:26,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:02:26,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:26,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:02:26,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:02:26,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132547110] [2023-11-19 08:02:26,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2132547110] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:02:26,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:02:26,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 08:02:26,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441753561] [2023-11-19 08:02:26,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:02:26,942 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 08:02:26,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:02:26,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 08:02:26,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-19 08:02:27,123 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 37 out of 93 [2023-11-19 08:02:27,124 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 76 transitions, 378 flow. Second operand has 6 states, 6 states have (on average 39.166666666666664) internal successors, (235), 6 states have internal predecessors, (235), 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) [2023-11-19 08:02:27,124 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 08:02:27,124 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 37 of 93 [2023-11-19 08:02:27,124 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 08:02:27,393 INFO L124 PetriNetUnfolderBase]: 336/777 cut-off events. [2023-11-19 08:02:27,393 INFO L125 PetriNetUnfolderBase]: For 470/478 co-relation queries the response was YES. [2023-11-19 08:02:27,397 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2422 conditions, 777 events. 336/777 cut-off events. For 470/478 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 4180 event pairs, 85 based on Foata normal form. 22/799 useless extension candidates. Maximal degree in co-relation 2409. Up to 510 conditions per place. [2023-11-19 08:02:27,403 INFO L140 encePairwiseOnDemand]: 77/93 looper letters, 98 selfloop transitions, 46 changer transitions 3/151 dead transitions. [2023-11-19 08:02:27,404 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 151 transitions, 1000 flow [2023-11-19 08:02:27,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 08:02:27,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-19 08:02:27,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 313 transitions. [2023-11-19 08:02:27,407 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5609318996415771 [2023-11-19 08:02:27,407 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 313 transitions. [2023-11-19 08:02:27,407 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 313 transitions. [2023-11-19 08:02:27,407 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:02:27,408 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 313 transitions. [2023-11-19 08:02:27,409 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 52.166666666666664) internal successors, (313), 6 states have internal predecessors, (313), 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) [2023-11-19 08:02:27,411 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 93.0) internal successors, (651), 7 states have internal predecessors, (651), 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) [2023-11-19 08:02:27,412 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 93.0) internal successors, (651), 7 states have internal predecessors, (651), 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) [2023-11-19 08:02:27,412 INFO L175 Difference]: Start difference. First operand has 43 places, 76 transitions, 378 flow. Second operand 6 states and 313 transitions. [2023-11-19 08:02:27,412 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 151 transitions, 1000 flow [2023-11-19 08:02:27,420 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 151 transitions, 1000 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-19 08:02:27,423 INFO L231 Difference]: Finished difference. Result has 52 places, 119 transitions, 801 flow [2023-11-19 08:02:27,424 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=378, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=801, PETRI_PLACES=52, PETRI_TRANSITIONS=119} [2023-11-19 08:02:27,425 INFO L281 CegarLoopForPetriNet]: 34 programPoint places, 18 predicate places. [2023-11-19 08:02:27,425 INFO L495 AbstractCegarLoop]: Abstraction has has 52 places, 119 transitions, 801 flow [2023-11-19 08:02:27,426 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 39.166666666666664) internal successors, (235), 6 states have internal predecessors, (235), 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) [2023-11-19 08:02:27,426 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 08:02:27,426 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:02:27,426 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 08:02:27,426 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)] === [2023-11-19 08:02:27,427 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:27,427 INFO L85 PathProgramCache]: Analyzing trace with hash 614332058, now seen corresponding path program 1 times [2023-11-19 08:02:27,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:02:27,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101374796] [2023-11-19 08:02:27,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:27,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:02:27,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:27,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:02:27,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:02:27,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101374796] [2023-11-19 08:02:27,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101374796] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:02:27,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:02:27,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 08:02:27,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212425023] [2023-11-19 08:02:27,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:02:27,698 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 08:02:27,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:02:27,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 08:02:27,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-19 08:02:27,832 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 93 [2023-11-19 08:02:27,832 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 119 transitions, 801 flow. Second operand has 6 states, 6 states have (on average 37.333333333333336) internal successors, (224), 6 states have internal predecessors, (224), 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) [2023-11-19 08:02:27,833 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 08:02:27,833 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 93 [2023-11-19 08:02:27,833 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 08:02:28,157 INFO L124 PetriNetUnfolderBase]: 398/903 cut-off events. [2023-11-19 08:02:28,157 INFO L125 PetriNetUnfolderBase]: For 1592/1609 co-relation queries the response was YES. [2023-11-19 08:02:28,160 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3547 conditions, 903 events. 398/903 cut-off events. For 1592/1609 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 4969 event pairs, 89 based on Foata normal form. 19/921 useless extension candidates. Maximal degree in co-relation 3529. Up to 626 conditions per place. [2023-11-19 08:02:28,167 INFO L140 encePairwiseOnDemand]: 77/93 looper letters, 120 selfloop transitions, 49 changer transitions 16/189 dead transitions. [2023-11-19 08:02:28,168 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 189 transitions, 1575 flow [2023-11-19 08:02:28,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 08:02:28,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-19 08:02:28,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 297 transitions. [2023-11-19 08:02:28,170 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.532258064516129 [2023-11-19 08:02:28,170 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 297 transitions. [2023-11-19 08:02:28,170 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 297 transitions. [2023-11-19 08:02:28,171 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:02:28,171 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 297 transitions. [2023-11-19 08:02:28,172 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 49.5) internal successors, (297), 6 states have internal predecessors, (297), 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) [2023-11-19 08:02:28,174 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 93.0) internal successors, (651), 7 states have internal predecessors, (651), 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) [2023-11-19 08:02:28,175 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 93.0) internal successors, (651), 7 states have internal predecessors, (651), 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) [2023-11-19 08:02:28,175 INFO L175 Difference]: Start difference. First operand has 52 places, 119 transitions, 801 flow. Second operand 6 states and 297 transitions. [2023-11-19 08:02:28,175 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 189 transitions, 1575 flow [2023-11-19 08:02:28,187 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 189 transitions, 1541 flow, removed 17 selfloop flow, removed 0 redundant places. [2023-11-19 08:02:28,193 INFO L231 Difference]: Finished difference. Result has 61 places, 148 transitions, 1152 flow [2023-11-19 08:02:28,193 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=767, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=119, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1152, PETRI_PLACES=61, PETRI_TRANSITIONS=148} [2023-11-19 08:02:28,194 INFO L281 CegarLoopForPetriNet]: 34 programPoint places, 27 predicate places. [2023-11-19 08:02:28,194 INFO L495 AbstractCegarLoop]: Abstraction has has 61 places, 148 transitions, 1152 flow [2023-11-19 08:02:28,195 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 37.333333333333336) internal successors, (224), 6 states have internal predecessors, (224), 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) [2023-11-19 08:02:28,195 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 08:02:28,195 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:02:28,195 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 08:02:28,196 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)] === [2023-11-19 08:02:28,196 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:28,197 INFO L85 PathProgramCache]: Analyzing trace with hash 386894246, now seen corresponding path program 1 times [2023-11-19 08:02:28,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:02:28,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142915710] [2023-11-19 08:02:28,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:28,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:02:28,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:02:28,250 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:02:28,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:02:28,293 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:02:28,293 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 08:02:28,294 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2023-11-19 08:02:28,297 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2023-11-19 08:02:28,298 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2023-11-19 08:02:28,299 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2023-11-19 08:02:28,300 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2023-11-19 08:02:28,300 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2023-11-19 08:02:28,300 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2023-11-19 08:02:28,301 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 08:02:28,301 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-19 08:02:28,310 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-19 08:02:28,311 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 08:02:28,349 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre5 could not be translated [2023-11-19 08:02:28,351 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-19 08:02:28,352 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-19 08:02:28,352 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated [2023-11-19 08:02:28,353 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-19 08:02:28,353 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-19 08:02:28,353 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated [2023-11-19 08:02:28,354 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-19 08:02:28,354 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-19 08:02:28,354 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated [2023-11-19 08:02:28,355 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-19 08:02:28,355 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post3 could not be translated [2023-11-19 08:02:28,355 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-19 08:02:28,356 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-19 08:02:28,356 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post3 could not be translated [2023-11-19 08:02:28,356 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated [2023-11-19 08:02:28,356 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-19 08:02:28,363 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 08:02:28 BasicIcfg [2023-11-19 08:02:28,364 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 08:02:28,364 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 08:02:28,365 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 08:02:28,365 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 08:02:28,371 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:02:23" (3/4) ... [2023-11-19 08:02:28,373 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 08:02:28,374 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 08:02:28,375 INFO L158 Benchmark]: Toolchain (without parser) took 6111.89ms. Allocated memory was 136.3MB in the beginning and 197.1MB in the end (delta: 60.8MB). Free memory was 105.5MB in the beginning and 158.4MB in the end (delta: -52.9MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. [2023-11-19 08:02:28,375 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 111.1MB. Free memory was 70.3MB in the beginning and 70.2MB in the end (delta: 75.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 08:02:28,376 INFO L158 Benchmark]: CACSL2BoogieTranslator took 610.77ms. Allocated memory is still 136.3MB. Free memory was 105.5MB in the beginning and 87.0MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 08:02:28,376 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.79ms. Allocated memory is still 136.3MB. Free memory was 87.0MB in the beginning and 84.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 08:02:28,377 INFO L158 Benchmark]: Boogie Preprocessor took 32.49ms. Allocated memory is still 136.3MB. Free memory was 84.9MB in the beginning and 83.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 08:02:28,382 INFO L158 Benchmark]: RCFGBuilder took 436.28ms. Allocated memory is still 136.3MB. Free memory was 83.6MB in the beginning and 69.4MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 08:02:28,388 INFO L158 Benchmark]: TraceAbstraction took 4967.59ms. Allocated memory was 136.3MB in the beginning and 197.1MB in the end (delta: 60.8MB). Free memory was 68.9MB in the beginning and 159.4MB in the end (delta: -90.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 08:02:28,389 INFO L158 Benchmark]: Witness Printer took 9.68ms. Allocated memory is still 197.1MB. Free memory is still 158.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 08:02:28,391 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 111.1MB. Free memory was 70.3MB in the beginning and 70.2MB in the end (delta: 75.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 610.77ms. Allocated memory is still 136.3MB. Free memory was 105.5MB in the beginning and 87.0MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.79ms. Allocated memory is still 136.3MB. Free memory was 87.0MB in the beginning and 84.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.49ms. Allocated memory is still 136.3MB. Free memory was 84.9MB in the beginning and 83.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 436.28ms. Allocated memory is still 136.3MB. Free memory was 83.6MB in the beginning and 69.4MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 4967.59ms. Allocated memory was 136.3MB in the beginning and 197.1MB in the end (delta: 60.8MB). Free memory was 68.9MB in the beginning and 159.4MB in the end (delta: -90.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 9.68ms. Allocated memory is still 197.1MB. Free memory is still 158.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~pre5 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post3 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post3 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.4s, 65 PlacesBefore, 34 PlacesAfterwards, 61 TransitionsBefore, 30 TransitionsAfterwards, 1188 CoEnabledTransitionPairs, 4 FixpointIterations, 10 TrivialSequentialCompositions, 21 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 31 TotalNumberOfCompositions, 4575 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 902, independent: 655, independent conditional: 0, independent unconditional: 655, dependent: 247, dependent conditional: 0, dependent unconditional: 247, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 469, independent: 434, independent conditional: 0, independent unconditional: 434, dependent: 35, dependent conditional: 0, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 902, independent: 221, independent conditional: 0, independent unconditional: 221, dependent: 212, dependent conditional: 0, dependent unconditional: 212, unknown: 469, unknown conditional: 0, unknown unconditional: 469] , Statistics on independence cache: Total cache size (in pairs): 47, Positive cache size: 21, Positive conditional cache size: 0, Positive unconditional cache size: 21, Negative cache size: 26, Negative conditional cache size: 0, Negative unconditional cache size: 26, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - DataRaceFoundResult [Line: 687]: Data race detected [2023-11-19 08:02:28,406 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre5 could not be translated [2023-11-19 08:02:28,407 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-19 08:02:28,407 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-19 08:02:28,407 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated [2023-11-19 08:02:28,407 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-19 08:02:28,408 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-19 08:02:28,408 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated [2023-11-19 08:02:28,408 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-19 08:02:28,409 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-19 08:02:28,409 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated [2023-11-19 08:02:28,409 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-19 08:02:28,409 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post3 could not be translated [2023-11-19 08:02:28,410 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-19 08:02:28,410 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-19 08:02:28,410 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated [2023-11-19 08:02:28,410 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post3 could not be translated [2023-11-19 08:02:28,410 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-19 08:02:28,418 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre5 could not be translated [2023-11-19 08:02:28,418 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-19 08:02:28,419 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-19 08:02:28,419 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated [2023-11-19 08:02:28,419 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-19 08:02:28,420 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-19 08:02:28,420 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated [2023-11-19 08:02:28,420 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-19 08:02:28,420 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-19 08:02:28,421 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated [2023-11-19 08:02:28,421 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-19 08:02:28,421 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post3 could not be translated [2023-11-19 08:02:28,421 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-19 08:02:28,422 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated [2023-11-19 08:02:28,422 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-19 08:02:28,422 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post3 could not be translated [2023-11-19 08:02:28,422 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated Data race detected The following path leads to a data race: [L679] 0 int data[10]; [L685] 0 pthread_t id; [L686] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, data={1:0}, id={2:0}] [L681] EXPR 1 data[4] VAL [arg={0:0}, arg={0:0}, data={1:0}] [L687] EXPR 0 data[4] VAL [arg={0:0}, arg={0:0}, data={1:0}, id={2:0}] [L681] 1 data[4]++ VAL [arg={0:0}, arg={0:0}, data={1:0}] [L687] 0 data[4]++ VAL [arg={0:0}, arg={0:0}, data={1:0}, id={2:0}] [L681] 1 data[4]++ VAL [arg={0:0}, arg={0:0}, data={1:0}] [L687] 0 data[4]++ VAL [arg={0:0}, arg={0:0}, data={1:0}, id={2:0}] [L681] 1 data[4]++ VAL [arg={0:0}, arg={0:0}, data={1:0}] [L687] 0 data[4]++ VAL [arg={0:0}, arg={0:0}, data={1:0}, id={2:0}] Now there is a data race (on the heap) between C: data[4]++ [681] and C: data[4]++ [687] - UnprovableResult [Line: 687]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 686]: Unable to prove that 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: 681]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 681]: 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, 87 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: 4.8s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.6s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 225 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 147 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 117 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 660 IncrementalHoareTripleChecker+Invalid, 777 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 117 mSolverCounterUnsat, 0 mSDtfsCounter, 660 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=1152occurred 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, 1.2s InterpolantComputationTime, 52 NumberOfCodeBlocks, 52 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 33 ConstructedInterpolants, 0 QuantifiedInterpolants, 300 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! [2023-11-19 08:02:28,455 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dcff810-dd60-4364-ba0d-aff9d1274639/bin/uautomizer-verify-uCwYo4JHxu/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