./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 0e0057cc 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_e3a67859-2940-46e0-ae46-ae26947a4492/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3a67859-2940-46e0-ae46-ae26947a4492/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3a67859-2940-46e0-ae46-ae26947a4492/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3a67859-2940-46e0-ae46-ae26947a4492/bin/uautomizer-verify-BQ2R08f2Ya/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_e3a67859-2940-46e0-ae46-ae26947a4492/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3a67859-2940-46e0-ae46-ae26947a4492/bin/uautomizer-verify-BQ2R08f2Ya --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 0.2.4-dev-0e0057c [2023-11-29 00:10:45,199 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 00:10:45,259 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3a67859-2940-46e0-ae46-ae26947a4492/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-29 00:10:45,264 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 00:10:45,265 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 00:10:45,289 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 00:10:45,289 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 00:10:45,290 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 00:10:45,290 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 00:10:45,291 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 00:10:45,292 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 00:10:45,292 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 00:10:45,293 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 00:10:45,293 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 00:10:45,294 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 00:10:45,294 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 00:10:45,295 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 00:10:45,295 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 00:10:45,296 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 00:10:45,296 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 00:10:45,297 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 00:10:45,298 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 00:10:45,298 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-29 00:10:45,298 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 00:10:45,299 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 00:10:45,299 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 00:10:45,300 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 00:10:45,300 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 00:10:45,300 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 00:10:45,301 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 00:10:45,301 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 00:10:45,301 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 00:10:45,302 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 00:10:45,302 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 00:10:45,302 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 00:10:45,302 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 00:10:45,303 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 00:10:45,303 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 00:10:45,303 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 00:10:45,303 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 00:10:45,303 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 00:10:45,304 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_e3a67859-2940-46e0-ae46-ae26947a4492/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3a67859-2940-46e0-ae46-ae26947a4492/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2fcc1dcc31779a35e2f35b3e877295c0d57fe6307bda5e3a2aea7571c9345e88 [2023-11-29 00:10:45,535 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 00:10:45,554 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 00:10:45,556 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 00:10:45,558 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 00:10:45,558 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 00:10:45,559 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3a67859-2940-46e0-ae46-ae26947a4492/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/goblint-regression/05-lval_ls_05-glob_idx_rc.i [2023-11-29 00:10:48,338 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 00:10:48,552 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 00:10:48,553 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3a67859-2940-46e0-ae46-ae26947a4492/sv-benchmarks/c/goblint-regression/05-lval_ls_05-glob_idx_rc.i [2023-11-29 00:10:48,570 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3a67859-2940-46e0-ae46-ae26947a4492/bin/uautomizer-verify-BQ2R08f2Ya/data/dde65e174/b7c571de38144baebaa62cc670b44679/FLAGfd2d43ee0 [2023-11-29 00:10:48,583 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3a67859-2940-46e0-ae46-ae26947a4492/bin/uautomizer-verify-BQ2R08f2Ya/data/dde65e174/b7c571de38144baebaa62cc670b44679 [2023-11-29 00:10:48,585 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 00:10:48,586 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 00:10:48,588 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 00:10:48,588 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 00:10:48,592 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 00:10:48,592 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:10:48" (1/1) ... [2023-11-29 00:10:48,593 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@742d0c7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:10:48, skipping insertion in model container [2023-11-29 00:10:48,594 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:10:48" (1/1) ... [2023-11-29 00:10:48,631 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 00:10:48,881 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 00:10:48,890 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 00:10:48,927 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 00:10:48,957 INFO L206 MainTranslator]: Completed translation [2023-11-29 00:10:48,957 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:10:48 WrapperNode [2023-11-29 00:10:48,957 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 00:10:48,958 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 00:10:48,958 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 00:10:48,958 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 00:10:48,964 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:10:48" (1/1) ... [2023-11-29 00:10:48,978 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:10:48" (1/1) ... [2023-11-29 00:10:48,998 INFO L138 Inliner]: procedures = 160, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 37 [2023-11-29 00:10:48,998 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 00:10:48,999 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 00:10:48,999 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 00:10:48,999 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 00:10:49,006 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:10:48" (1/1) ... [2023-11-29 00:10:49,006 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:10:48" (1/1) ... [2023-11-29 00:10:49,009 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:10:48" (1/1) ... [2023-11-29 00:10:49,009 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:10:48" (1/1) ... [2023-11-29 00:10:49,018 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:10:48" (1/1) ... [2023-11-29 00:10:49,020 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:10:48" (1/1) ... [2023-11-29 00:10:49,021 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:10:48" (1/1) ... [2023-11-29 00:10:49,023 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:10:48" (1/1) ... [2023-11-29 00:10:49,026 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 00:10:49,027 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 00:10:49,027 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 00:10:49,027 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 00:10:49,028 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:10:48" (1/1) ... [2023-11-29 00:10:49,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 00:10:49,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3a67859-2940-46e0-ae46-ae26947a4492/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:10:49,053 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3a67859-2940-46e0-ae46-ae26947a4492/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 00:10:49,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3a67859-2940-46e0-ae46-ae26947a4492/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 00:10:49,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-29 00:10:49,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-29 00:10:49,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 00:10:49,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 00:10:49,086 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-29 00:10:49,086 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-29 00:10:49,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 00:10:49,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 00:10:49,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 00:10:49,088 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-29 00:10:49,201 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 00:10:49,203 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 00:10:49,355 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 00:10:49,366 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 00:10:49,366 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-29 00:10:49,368 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:10:49 BoogieIcfgContainer [2023-11-29 00:10:49,368 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 00:10:49,371 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 00:10:49,371 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 00:10:49,374 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 00:10:49,374 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 12:10:48" (1/3) ... [2023-11-29 00:10:49,375 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@735a96b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 12:10:49, skipping insertion in model container [2023-11-29 00:10:49,375 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:10:48" (2/3) ... [2023-11-29 00:10:49,375 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@735a96b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 12:10:49, skipping insertion in model container [2023-11-29 00:10:49,375 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:10:49" (3/3) ... [2023-11-29 00:10:49,377 INFO L112 eAbstractionObserver]: Analyzing ICFG 05-lval_ls_05-glob_idx_rc.i [2023-11-29 00:10:49,383 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-29 00:10:49,391 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 00:10:49,392 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-11-29 00:10:49,392 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-29 00:10:49,443 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-29 00:10:49,472 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 66 places, 62 transitions, 128 flow [2023-11-29 00:10:49,526 INFO L124 PetriNetUnfolderBase]: 0/61 cut-off events. [2023-11-29 00:10:49,527 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 00:10:49,530 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. [2023-11-29 00:10:49,530 INFO L82 GeneralOperation]: Start removeDead. Operand has 66 places, 62 transitions, 128 flow [2023-11-29 00:10:49,534 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 65 places, 61 transitions, 125 flow [2023-11-29 00:10:49,544 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 00:10:49,550 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;@1187839d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 00:10:49,550 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2023-11-29 00:10:49,560 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-29 00:10:49,560 INFO L124 PetriNetUnfolderBase]: 0/25 cut-off events. [2023-11-29 00:10:49,561 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 00:10:49,561 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:10:49,562 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:10:49,562 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)] === [2023-11-29 00:10:49,567 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:10:49,567 INFO L85 PathProgramCache]: Analyzing trace with hash -1238748688, now seen corresponding path program 1 times [2023-11-29 00:10:49,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:10:49,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591343983] [2023-11-29 00:10:49,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:10:49,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:10:49,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:50,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:10:50,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:10:50,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591343983] [2023-11-29 00:10:50,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591343983] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:10:50,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:10:50,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 00:10:50,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601994194] [2023-11-29 00:10:50,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:10:50,206 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 00:10:50,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:10:50,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 00:10:50,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 00:10:50,412 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 38 out of 62 [2023-11-29 00:10:50,415 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 61 transitions, 125 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) [2023-11-29 00:10:50,415 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:10:50,415 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 38 of 62 [2023-11-29 00:10:50,416 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:10:50,686 INFO L124 PetriNetUnfolderBase]: 198/752 cut-off events. [2023-11-29 00:10:50,686 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-29 00:10:50,691 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1197 conditions, 752 events. 198/752 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 4733 event pairs, 41 based on Foata normal form. 0/724 useless extension candidates. Maximal degree in co-relation 1178. Up to 183 conditions per place. [2023-11-29 00:10:50,698 INFO L140 encePairwiseOnDemand]: 40/62 looper letters, 68 selfloop transitions, 42 changer transitions 0/147 dead transitions. [2023-11-29 00:10:50,698 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 147 transitions, 517 flow [2023-11-29 00:10:50,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 00:10:50,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 00:10:50,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 340 transitions. [2023-11-29 00:10:50,713 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9139784946236559 [2023-11-29 00:10:50,714 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 340 transitions. [2023-11-29 00:10:50,714 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 340 transitions. [2023-11-29 00:10:50,716 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:10:50,719 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 340 transitions. [2023-11-29 00:10:50,723 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 56.666666666666664) internal successors, (340), 6 states have internal predecessors, (340), 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) [2023-11-29 00:10:50,728 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 62.0) internal successors, (434), 7 states have internal predecessors, (434), 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) [2023-11-29 00:10:50,728 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 62.0) internal successors, (434), 7 states have internal predecessors, (434), 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) [2023-11-29 00:10:50,730 INFO L175 Difference]: Start difference. First operand has 65 places, 61 transitions, 125 flow. Second operand 6 states and 340 transitions. [2023-11-29 00:10:50,731 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 147 transitions, 517 flow [2023-11-29 00:10:50,735 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 147 transitions, 516 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 00:10:50,739 INFO L231 Difference]: Finished difference. Result has 74 places, 107 transitions, 440 flow [2023-11-29 00:10:50,741 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=124, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=440, PETRI_PLACES=74, PETRI_TRANSITIONS=107} [2023-11-29 00:10:50,745 INFO L281 CegarLoopForPetriNet]: 65 programPoint places, 9 predicate places. [2023-11-29 00:10:50,745 INFO L495 AbstractCegarLoop]: Abstraction has has 74 places, 107 transitions, 440 flow [2023-11-29 00:10:50,746 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) [2023-11-29 00:10:50,746 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:10:50,746 INFO L208 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] [2023-11-29 00:10:50,746 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 00:10:50,746 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)] === [2023-11-29 00:10:50,747 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:10:50,747 INFO L85 PathProgramCache]: Analyzing trace with hash -1847244043, now seen corresponding path program 1 times [2023-11-29 00:10:50,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:10:50,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658754785] [2023-11-29 00:10:50,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:10:50,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:10:50,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:51,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:10:51,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:10:51,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658754785] [2023-11-29 00:10:51,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658754785] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:10:51,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:10:51,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 00:10:51,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326722779] [2023-11-29 00:10:51,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:10:51,133 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 00:10:51,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:10:51,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 00:10:51,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 00:10:51,272 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 37 out of 62 [2023-11-29 00:10:51,272 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 107 transitions, 440 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) [2023-11-29 00:10:51,273 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:10:51,273 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 37 of 62 [2023-11-29 00:10:51,273 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:10:51,541 INFO L124 PetriNetUnfolderBase]: 342/1117 cut-off events. [2023-11-29 00:10:51,541 INFO L125 PetriNetUnfolderBase]: For 531/564 co-relation queries the response was YES. [2023-11-29 00:10:51,545 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2783 conditions, 1117 events. 342/1117 cut-off events. For 531/564 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 7539 event pairs, 64 based on Foata normal form. 19/1125 useless extension candidates. Maximal degree in co-relation 2760. Up to 476 conditions per place. [2023-11-29 00:10:51,552 INFO L140 encePairwiseOnDemand]: 45/62 looper letters, 90 selfloop transitions, 53 changer transitions 3/182 dead transitions. [2023-11-29 00:10:51,553 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 182 transitions, 1068 flow [2023-11-29 00:10:51,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 00:10:51,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 00:10:51,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 308 transitions. [2023-11-29 00:10:51,555 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8279569892473119 [2023-11-29 00:10:51,556 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 308 transitions. [2023-11-29 00:10:51,556 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 308 transitions. [2023-11-29 00:10:51,556 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:10:51,556 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 308 transitions. [2023-11-29 00:10:51,558 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 51.333333333333336) internal successors, (308), 6 states have internal predecessors, (308), 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) [2023-11-29 00:10:51,560 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 62.0) internal successors, (434), 7 states have internal predecessors, (434), 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) [2023-11-29 00:10:51,560 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 62.0) internal successors, (434), 7 states have internal predecessors, (434), 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) [2023-11-29 00:10:51,560 INFO L175 Difference]: Start difference. First operand has 74 places, 107 transitions, 440 flow. Second operand 6 states and 308 transitions. [2023-11-29 00:10:51,560 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 182 transitions, 1068 flow [2023-11-29 00:10:51,567 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 182 transitions, 1068 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 00:10:51,571 INFO L231 Difference]: Finished difference. Result has 84 places, 158 transitions, 946 flow [2023-11-29 00:10:51,572 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=440, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=107, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=946, PETRI_PLACES=84, PETRI_TRANSITIONS=158} [2023-11-29 00:10:51,573 INFO L281 CegarLoopForPetriNet]: 65 programPoint places, 19 predicate places. [2023-11-29 00:10:51,573 INFO L495 AbstractCegarLoop]: Abstraction has has 84 places, 158 transitions, 946 flow [2023-11-29 00:10:51,573 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) [2023-11-29 00:10:51,574 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:10:51,574 INFO L208 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] [2023-11-29 00:10:51,574 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 00:10:51,574 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)] === [2023-11-29 00:10:51,575 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:10:51,575 INFO L85 PathProgramCache]: Analyzing trace with hash 1199603819, now seen corresponding path program 1 times [2023-11-29 00:10:51,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:10:51,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000094147] [2023-11-29 00:10:51,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:10:51,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:10:51,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:10:51,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:10:51,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:10:51,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000094147] [2023-11-29 00:10:51,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000094147] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:10:51,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:10:51,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 00:10:51,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843448723] [2023-11-29 00:10:51,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:10:51,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 00:10:51,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:10:51,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 00:10:51,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 00:10:51,999 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 62 [2023-11-29 00:10:52,000 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 158 transitions, 946 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) [2023-11-29 00:10:52,000 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:10:52,000 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 62 [2023-11-29 00:10:52,000 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:10:52,373 INFO L124 PetriNetUnfolderBase]: 487/1440 cut-off events. [2023-11-29 00:10:52,373 INFO L125 PetriNetUnfolderBase]: For 2122/2168 co-relation queries the response was YES. [2023-11-29 00:10:52,379 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4667 conditions, 1440 events. 487/1440 cut-off events. For 2122/2168 co-relation queries the response was YES. Maximal size of possible extension queue 110. Compared 10207 event pairs, 85 based on Foata normal form. 23/1440 useless extension candidates. Maximal degree in co-relation 4638. Up to 695 conditions per place. [2023-11-29 00:10:52,387 INFO L140 encePairwiseOnDemand]: 45/62 looper letters, 111 selfloop transitions, 58 changer transitions 36/242 dead transitions. [2023-11-29 00:10:52,387 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 242 transitions, 1864 flow [2023-11-29 00:10:52,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 00:10:52,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 00:10:52,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 298 transitions. [2023-11-29 00:10:52,389 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8010752688172043 [2023-11-29 00:10:52,390 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 298 transitions. [2023-11-29 00:10:52,390 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 298 transitions. [2023-11-29 00:10:52,390 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:10:52,390 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 298 transitions. [2023-11-29 00:10:52,391 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 49.666666666666664) internal successors, (298), 6 states have internal predecessors, (298), 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) [2023-11-29 00:10:52,393 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 62.0) internal successors, (434), 7 states have internal predecessors, (434), 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) [2023-11-29 00:10:52,393 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 62.0) internal successors, (434), 7 states have internal predecessors, (434), 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) [2023-11-29 00:10:52,393 INFO L175 Difference]: Start difference. First operand has 84 places, 158 transitions, 946 flow. Second operand 6 states and 298 transitions. [2023-11-29 00:10:52,393 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 242 transitions, 1864 flow [2023-11-29 00:10:52,408 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 242 transitions, 1856 flow, removed 4 selfloop flow, removed 0 redundant places. [2023-11-29 00:10:52,413 INFO L231 Difference]: Finished difference. Result has 93 places, 185 transitions, 1346 flow [2023-11-29 00:10:52,413 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=938, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1346, PETRI_PLACES=93, PETRI_TRANSITIONS=185} [2023-11-29 00:10:52,414 INFO L281 CegarLoopForPetriNet]: 65 programPoint places, 28 predicate places. [2023-11-29 00:10:52,415 INFO L495 AbstractCegarLoop]: Abstraction has has 93 places, 185 transitions, 1346 flow [2023-11-29 00:10:52,415 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) [2023-11-29 00:10:52,415 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:10:52,415 INFO L208 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] [2023-11-29 00:10:52,415 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 00:10:52,416 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)] === [2023-11-29 00:10:52,416 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:10:52,416 INFO L85 PathProgramCache]: Analyzing trace with hash 1760595964, now seen corresponding path program 1 times [2023-11-29 00:10:52,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:10:52,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290879730] [2023-11-29 00:10:52,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:10:52,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:10:52,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 00:10:52,438 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 00:10:52,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 00:10:52,471 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 00:10:52,471 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 00:10:52,472 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2023-11-29 00:10:52,474 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2023-11-29 00:10:52,475 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2023-11-29 00:10:52,475 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2023-11-29 00:10:52,475 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2023-11-29 00:10:52,475 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2023-11-29 00:10:52,476 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2023-11-29 00:10:52,476 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 00:10:52,476 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-29 00:10:52,483 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-29 00:10:52,483 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 00:10:52,502 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre5 could not be translated [2023-11-29 00:10:52,503 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-29 00:10:52,503 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-29 00:10:52,504 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-29 00:10:52,504 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated [2023-11-29 00:10:52,504 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-29 00:10:52,504 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated [2023-11-29 00:10:52,505 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-29 00:10:52,505 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post3 could not be translated [2023-11-29 00:10:52,505 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-29 00:10:52,505 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated [2023-11-29 00:10:52,505 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post3 could not be translated [2023-11-29 00:10:52,506 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-29 00:10:52,506 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-29 00:10:52,506 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post3 could not be translated [2023-11-29 00:10:52,506 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-29 00:10:52,506 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-29 00:10:52,506 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated [2023-11-29 00:10:52,507 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post3 could not be translated [2023-11-29 00:10:52,514 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 12:10:52 BasicIcfg [2023-11-29 00:10:52,515 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 00:10:52,515 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 00:10:52,515 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 00:10:52,516 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 00:10:52,516 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:10:49" (3/4) ... [2023-11-29 00:10:52,518 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 00:10:52,519 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 00:10:52,520 INFO L158 Benchmark]: Toolchain (without parser) took 3933.02ms. Allocated memory was 134.2MB in the beginning and 172.0MB in the end (delta: 37.7MB). Free memory was 94.0MB in the beginning and 91.2MB in the end (delta: 2.9MB). Peak memory consumption was 44.4MB. Max. memory is 16.1GB. [2023-11-29 00:10:52,520 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 134.2MB. Free memory is still 106.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 00:10:52,520 INFO L158 Benchmark]: CACSL2BoogieTranslator took 369.86ms. Allocated memory is still 134.2MB. Free memory was 94.0MB in the beginning and 75.2MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-29 00:10:52,521 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.53ms. Allocated memory is still 134.2MB. Free memory was 75.2MB in the beginning and 73.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 00:10:52,521 INFO L158 Benchmark]: Boogie Preprocessor took 26.85ms. Allocated memory is still 134.2MB. Free memory was 73.1MB in the beginning and 71.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 00:10:52,522 INFO L158 Benchmark]: RCFGBuilder took 341.44ms. Allocated memory is still 134.2MB. Free memory was 71.8MB in the beginning and 58.0MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-29 00:10:52,523 INFO L158 Benchmark]: TraceAbstraction took 3143.71ms. Allocated memory was 134.2MB in the beginning and 172.0MB in the end (delta: 37.7MB). Free memory was 57.1MB in the beginning and 91.2MB in the end (delta: -34.0MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. [2023-11-29 00:10:52,523 INFO L158 Benchmark]: Witness Printer took 3.47ms. Allocated memory is still 172.0MB. Free memory is still 91.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 00:10:52,525 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 134.2MB. Free memory is still 106.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 369.86ms. Allocated memory is still 134.2MB. Free memory was 94.0MB in the beginning and 75.2MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.53ms. Allocated memory is still 134.2MB. Free memory was 75.2MB in the beginning and 73.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.85ms. Allocated memory is still 134.2MB. Free memory was 73.1MB in the beginning and 71.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 341.44ms. Allocated memory is still 134.2MB. Free memory was 71.8MB in the beginning and 58.0MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 3143.71ms. Allocated memory was 134.2MB in the beginning and 172.0MB in the end (delta: 37.7MB). Free memory was 57.1MB in the beginning and 91.2MB in the end (delta: -34.0MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. * Witness Printer took 3.47ms. Allocated memory is still 172.0MB. Free memory is still 91.2MB. 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~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~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~mem2 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem7 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~nondet4 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~post3 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: - DataRaceFoundResult [Line: 687]: Data race detected [2023-11-29 00:10:52,540 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre5 could not be translated [2023-11-29 00:10:52,541 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-29 00:10:52,541 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-29 00:10:52,541 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-29 00:10:52,541 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated [2023-11-29 00:10:52,542 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-29 00:10:52,542 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated [2023-11-29 00:10:52,542 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-29 00:10:52,542 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post3 could not be translated [2023-11-29 00:10:52,542 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-29 00:10:52,542 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated [2023-11-29 00:10:52,542 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post3 could not be translated [2023-11-29 00:10:52,543 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-29 00:10:52,543 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-29 00:10:52,543 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post3 could not be translated [2023-11-29 00:10:52,543 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-29 00:10:52,543 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-29 00:10:52,543 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post3 could not be translated [2023-11-29 00:10:52,543 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated [2023-11-29 00:10:52,550 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre5 could not be translated [2023-11-29 00:10:52,551 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-29 00:10:52,551 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-29 00:10:52,551 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-29 00:10:52,551 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated [2023-11-29 00:10:52,551 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-29 00:10:52,552 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated [2023-11-29 00:10:52,552 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-29 00:10:52,552 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post3 could not be translated [2023-11-29 00:10:52,552 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-29 00:10:52,552 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated [2023-11-29 00:10:52,552 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post3 could not be translated [2023-11-29 00:10:52,553 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-29 00:10:52,553 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-29 00:10:52,553 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post3 could not be translated [2023-11-29 00:10:52,553 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-29 00:10:52,553 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-29 00:10:52,553 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated [2023-11-29 00:10:52,553 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post3 could not be translated Data race detected The following path leads to a data race: [L679] 0 int data[10]; VAL [data={1:0}] [L685] 0 pthread_t id; VAL [data={1:0}, id={2:0}] [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}] [L681] 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}] [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: 3.0s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 182 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 118 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 116 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 540 IncrementalHoareTripleChecker+Invalid, 656 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 116 mSolverCounterUnsat, 8 mSDtfsCounter, 540 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1346occurred 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, 1.1s InterpolantComputationTime, 105 NumberOfCodeBlocks, 105 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 71 ConstructedInterpolants, 0 QuantifiedInterpolants, 338 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! [2023-11-29 00:10:52,566 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3a67859-2940-46e0-ae46-ae26947a4492/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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