./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/05-lval_ls_08-glob_fld_2_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b49e073-1212-401a-b3db-a636e80e802c/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b49e073-1212-401a-b3db-a636e80e802c/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b49e073-1212-401a-b3db-a636e80e802c/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b49e073-1212-401a-b3db-a636e80e802c/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/05-lval_ls_08-glob_fld_2_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b49e073-1212-401a-b3db-a636e80e802c/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b49e073-1212-401a-b3db-a636e80e802c/bin/uautomizer-verify-uTZkv6EMXl --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 9df11a052e2c7230e1edfb210274e89333c68b57c4137552a35d25fe623d9561 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:14:17,333 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:14:17,451 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b49e073-1212-401a-b3db-a636e80e802c/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-12 02:14:17,459 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:14:17,460 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:14:17,500 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:14:17,500 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:14:17,501 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:14:17,502 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:14:17,507 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:14:17,509 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:14:17,509 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:14:17,510 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:14:17,511 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:14:17,512 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:14:17,512 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:14:17,513 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:14:17,513 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:14:17,513 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:14:17,514 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:14:17,514 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:14:17,515 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:14:17,515 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-12 02:14:17,516 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 02:14:17,516 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:14:17,516 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:14:17,517 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:14:17,518 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:14:17,518 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:14:17,519 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:14:17,520 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:14:17,520 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:14:17,520 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:14:17,521 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:14:17,521 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:14:17,521 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:14:17,521 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:14:17,522 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:14:17,522 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:14:17,522 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:14:17,522 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:14:17,523 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_9b49e073-1212-401a-b3db-a636e80e802c/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b49e073-1212-401a-b3db-a636e80e802c/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9df11a052e2c7230e1edfb210274e89333c68b57c4137552a35d25fe623d9561 [2023-11-12 02:14:17,873 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:14:17,920 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:14:17,923 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:14:17,924 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:14:17,924 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:14:17,926 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b49e073-1212-401a-b3db-a636e80e802c/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/goblint-regression/05-lval_ls_08-glob_fld_2_rc.i [2023-11-12 02:14:21,083 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:14:21,362 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:14:21,363 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b49e073-1212-401a-b3db-a636e80e802c/sv-benchmarks/c/goblint-regression/05-lval_ls_08-glob_fld_2_rc.i [2023-11-12 02:14:21,384 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b49e073-1212-401a-b3db-a636e80e802c/bin/uautomizer-verify-uTZkv6EMXl/data/68cc1c4ef/4c1330eb1ff64f92af4d064b19fb096d/FLAG134465438 [2023-11-12 02:14:21,400 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b49e073-1212-401a-b3db-a636e80e802c/bin/uautomizer-verify-uTZkv6EMXl/data/68cc1c4ef/4c1330eb1ff64f92af4d064b19fb096d [2023-11-12 02:14:21,402 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:14:21,404 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:14:21,405 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:14:21,406 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:14:21,411 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:14:21,412 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:14:21" (1/1) ... [2023-11-12 02:14:21,413 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c75aa42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:14:21, skipping insertion in model container [2023-11-12 02:14:21,414 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:14:21" (1/1) ... [2023-11-12 02:14:21,460 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:14:21,869 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:14:21,882 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:14:21,958 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:14:22,015 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:14:22,016 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:14:22 WrapperNode [2023-11-12 02:14:22,016 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:14:22,017 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:14:22,018 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:14:22,018 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:14:22,026 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:14:22" (1/1) ... [2023-11-12 02:14:22,059 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:14:22" (1/1) ... [2023-11-12 02:14:22,091 INFO L138 Inliner]: procedures = 161, calls = 19, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 49 [2023-11-12 02:14:22,091 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:14:22,092 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:14:22,093 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:14:22,093 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:14:22,103 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:14:22" (1/1) ... [2023-11-12 02:14:22,104 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:14:22" (1/1) ... [2023-11-12 02:14:22,116 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:14:22" (1/1) ... [2023-11-12 02:14:22,117 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:14:22" (1/1) ... [2023-11-12 02:14:22,131 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:14:22" (1/1) ... [2023-11-12 02:14:22,132 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:14:22" (1/1) ... [2023-11-12 02:14:22,134 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:14:22" (1/1) ... [2023-11-12 02:14:22,142 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:14:22" (1/1) ... [2023-11-12 02:14:22,150 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:14:22,150 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:14:22,151 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:14:22,151 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:14:22,152 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:14:22" (1/1) ... [2023-11-12 02:14:22,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:14:22,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b49e073-1212-401a-b3db-a636e80e802c/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:14:22,189 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b49e073-1212-401a-b3db-a636e80e802c/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:14:22,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b49e073-1212-401a-b3db-a636e80e802c/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:14:22,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 02:14:22,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 02:14:22,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:14:22,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 02:14:22,238 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-12 02:14:22,239 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-12 02:14:22,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 02:14:22,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:14:22,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:14:22,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:14:22,241 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-12 02:14:22,392 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:14:22,397 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:14:22,632 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:14:22,639 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:14:22,640 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 02:14:22,642 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:14:22 BoogieIcfgContainer [2023-11-12 02:14:22,642 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:14:22,645 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:14:22,645 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:14:22,655 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:14:22,656 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:14:21" (1/3) ... [2023-11-12 02:14:22,656 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c77a4e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:14:22, skipping insertion in model container [2023-11-12 02:14:22,657 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:14:22" (2/3) ... [2023-11-12 02:14:22,658 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c77a4e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:14:22, skipping insertion in model container [2023-11-12 02:14:22,658 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:14:22" (3/3) ... [2023-11-12 02:14:22,660 INFO L112 eAbstractionObserver]: Analyzing ICFG 05-lval_ls_08-glob_fld_2_rc.i [2023-11-12 02:14:22,670 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-12 02:14:22,682 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:14:22,682 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-11-12 02:14:22,683 INFO L521 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-12 02:14:22,810 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-12 02:14:22,865 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 102 places, 95 transitions, 198 flow [2023-11-12 02:14:22,981 INFO L124 PetriNetUnfolderBase]: 0/93 cut-off events. [2023-11-12 02:14:22,982 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-12 02:14:23,009 INFO L83 FinitePrefix]: Finished finitePrefix Result has 100 conditions, 93 events. 0/93 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 135 event pairs, 0 based on Foata normal form. 0/87 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2023-11-12 02:14:23,009 INFO L82 GeneralOperation]: Start removeDead. Operand has 102 places, 95 transitions, 198 flow [2023-11-12 02:14:23,015 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 100 places, 93 transitions, 192 flow [2023-11-12 02:14:23,020 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-12 02:14:23,050 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 100 places, 93 transitions, 192 flow [2023-11-12 02:14:23,056 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 100 places, 93 transitions, 192 flow [2023-11-12 02:14:23,063 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 100 places, 93 transitions, 192 flow [2023-11-12 02:14:23,105 INFO L124 PetriNetUnfolderBase]: 0/93 cut-off events. [2023-11-12 02:14:23,105 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-12 02:14:23,105 INFO L83 FinitePrefix]: Finished finitePrefix Result has 100 conditions, 93 events. 0/93 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 135 event pairs, 0 based on Foata normal form. 0/87 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2023-11-12 02:14:23,114 INFO L119 LiptonReduction]: Number of co-enabled transitions 3784 [2023-11-12 02:14:25,174 INFO L134 LiptonReduction]: Checked pairs total: 17537 [2023-11-12 02:14:25,174 INFO L136 LiptonReduction]: Total number of compositions: 47 [2023-11-12 02:14:25,191 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:14:25,198 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;@34e2fa3e, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:14:25,198 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2023-11-12 02:14:25,204 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-12 02:14:25,204 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events. [2023-11-12 02:14:25,204 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-12 02:14:25,204 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:14:25,205 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:14:25,206 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 7 more)] === [2023-11-12 02:14:25,211 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:14:25,211 INFO L85 PathProgramCache]: Analyzing trace with hash -1543503091, now seen corresponding path program 1 times [2023-11-12 02:14:25,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:14:25,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744968865] [2023-11-12 02:14:25,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:14:25,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:14:25,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:14:25,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:14:25,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:14:25,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744968865] [2023-11-12 02:14:25,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [744968865] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:14:25,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:14:25,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:14:25,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44184064] [2023-11-12 02:14:25,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:14:25,911 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 02:14:25,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:14:25,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 02:14:25,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:14:26,269 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 70 out of 142 [2023-11-12 02:14:26,272 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 46 transitions, 98 flow. Second operand has 6 states, 6 states have (on average 71.33333333333333) internal successors, (428), 6 states have internal predecessors, (428), 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) [2023-11-12 02:14:26,273 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:14:26,273 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 70 of 142 [2023-11-12 02:14:26,274 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:14:27,209 INFO L124 PetriNetUnfolderBase]: 2574/4588 cut-off events. [2023-11-12 02:14:27,209 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2023-11-12 02:14:27,225 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8776 conditions, 4588 events. 2574/4588 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 285. Compared 32675 event pairs, 764 based on Foata normal form. 0/4307 useless extension candidates. Maximal degree in co-relation 8766. Up to 1625 conditions per place. [2023-11-12 02:14:27,261 INFO L140 encePairwiseOnDemand]: 120/142 looper letters, 118 selfloop transitions, 42 changer transitions 0/172 dead transitions. [2023-11-12 02:14:27,261 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 172 transitions, 682 flow [2023-11-12 02:14:27,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 02:14:27,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-12 02:14:27,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 582 transitions. [2023-11-12 02:14:27,278 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6830985915492958 [2023-11-12 02:14:27,279 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 582 transitions. [2023-11-12 02:14:27,279 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 582 transitions. [2023-11-12 02:14:27,282 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:14:27,285 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 582 transitions. [2023-11-12 02:14:27,289 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 97.0) internal successors, (582), 6 states have internal predecessors, (582), 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) [2023-11-12 02:14:27,296 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 142.0) internal successors, (994), 7 states have internal predecessors, (994), 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) [2023-11-12 02:14:27,297 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 142.0) internal successors, (994), 7 states have internal predecessors, (994), 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) [2023-11-12 02:14:27,299 INFO L175 Difference]: Start difference. First operand has 53 places, 46 transitions, 98 flow. Second operand 6 states and 582 transitions. [2023-11-12 02:14:27,300 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 172 transitions, 682 flow [2023-11-12 02:14:27,304 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 172 transitions, 676 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-12 02:14:27,308 INFO L231 Difference]: Finished difference. Result has 61 places, 92 transitions, 412 flow [2023-11-12 02:14:27,311 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=142, PETRI_DIFFERENCE_MINUEND_FLOW=96, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=412, PETRI_PLACES=61, PETRI_TRANSITIONS=92} [2023-11-12 02:14:27,314 INFO L281 CegarLoopForPetriNet]: 53 programPoint places, 8 predicate places. [2023-11-12 02:14:27,314 INFO L495 AbstractCegarLoop]: Abstraction has has 61 places, 92 transitions, 412 flow [2023-11-12 02:14:27,315 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 71.33333333333333) internal successors, (428), 6 states have internal predecessors, (428), 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) [2023-11-12 02:14:27,315 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:14:27,315 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:14:27,316 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 02:14:27,316 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 7 more)] === [2023-11-12 02:14:27,316 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:14:27,317 INFO L85 PathProgramCache]: Analyzing trace with hash -1319185329, now seen corresponding path program 1 times [2023-11-12 02:14:27,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:14:27,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124479806] [2023-11-12 02:14:27,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:14:27,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:14:27,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:14:27,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:14:27,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:14:27,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124479806] [2023-11-12 02:14:27,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124479806] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:14:27,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:14:27,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:14:27,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471388155] [2023-11-12 02:14:27,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:14:27,604 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 02:14:27,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:14:27,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 02:14:27,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:14:27,956 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 81 out of 142 [2023-11-12 02:14:27,957 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 92 transitions, 412 flow. Second operand has 6 states, 6 states have (on average 82.66666666666667) internal successors, (496), 6 states have internal predecessors, (496), 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) [2023-11-12 02:14:27,957 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:14:27,957 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 81 of 142 [2023-11-12 02:14:27,958 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:14:28,729 INFO L124 PetriNetUnfolderBase]: 2058/3851 cut-off events. [2023-11-12 02:14:28,729 INFO L125 PetriNetUnfolderBase]: For 2347/3715 co-relation queries the response was YES. [2023-11-12 02:14:28,746 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10160 conditions, 3851 events. 2058/3851 cut-off events. For 2347/3715 co-relation queries the response was YES. Maximal size of possible extension queue 254. Compared 28830 event pairs, 549 based on Foata normal form. 302/3582 useless extension candidates. Maximal degree in co-relation 10147. Up to 1482 conditions per place. [2023-11-12 02:14:28,776 INFO L140 encePairwiseOnDemand]: 136/142 looper letters, 131 selfloop transitions, 5 changer transitions 0/187 dead transitions. [2023-11-12 02:14:28,776 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 187 transitions, 1146 flow [2023-11-12 02:14:28,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 02:14:28,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-12 02:14:28,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 543 transitions. [2023-11-12 02:14:28,779 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6373239436619719 [2023-11-12 02:14:28,780 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 543 transitions. [2023-11-12 02:14:28,780 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 543 transitions. [2023-11-12 02:14:28,780 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:14:28,781 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 543 transitions. [2023-11-12 02:14:28,783 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 90.5) internal successors, (543), 6 states have internal predecessors, (543), 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) [2023-11-12 02:14:28,785 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 142.0) internal successors, (994), 7 states have internal predecessors, (994), 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) [2023-11-12 02:14:28,786 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 142.0) internal successors, (994), 7 states have internal predecessors, (994), 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) [2023-11-12 02:14:28,787 INFO L175 Difference]: Start difference. First operand has 61 places, 92 transitions, 412 flow. Second operand 6 states and 543 transitions. [2023-11-12 02:14:28,787 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 187 transitions, 1146 flow [2023-11-12 02:14:28,794 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 187 transitions, 1146 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-12 02:14:28,798 INFO L231 Difference]: Finished difference. Result has 65 places, 91 transitions, 420 flow [2023-11-12 02:14:28,798 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=142, PETRI_DIFFERENCE_MINUEND_FLOW=410, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=420, PETRI_PLACES=65, PETRI_TRANSITIONS=91} [2023-11-12 02:14:28,799 INFO L281 CegarLoopForPetriNet]: 53 programPoint places, 12 predicate places. [2023-11-12 02:14:28,799 INFO L495 AbstractCegarLoop]: Abstraction has has 65 places, 91 transitions, 420 flow [2023-11-12 02:14:28,800 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 82.66666666666667) internal successors, (496), 6 states have internal predecessors, (496), 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) [2023-11-12 02:14:28,800 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:14:28,800 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:14:28,801 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 02:14:28,801 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 7 more)] === [2023-11-12 02:14:28,802 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:14:28,802 INFO L85 PathProgramCache]: Analyzing trace with hash 2102399332, now seen corresponding path program 1 times [2023-11-12 02:14:28,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:14:28,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417606211] [2023-11-12 02:14:28,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:14:28,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:14:28,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:14:29,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:14:29,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:14:29,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417606211] [2023-11-12 02:14:29,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [417606211] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:14:29,078 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:14:29,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:14:29,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965841111] [2023-11-12 02:14:29,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:14:29,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 02:14:29,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:14:29,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 02:14:29,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:14:29,348 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 69 out of 142 [2023-11-12 02:14:29,349 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 91 transitions, 420 flow. Second operand has 6 states, 6 states have (on average 71.33333333333333) internal successors, (428), 6 states have internal predecessors, (428), 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) [2023-11-12 02:14:29,349 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:14:29,349 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 69 of 142 [2023-11-12 02:14:29,350 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:14:30,454 INFO L124 PetriNetUnfolderBase]: 3402/6158 cut-off events. [2023-11-12 02:14:30,455 INFO L125 PetriNetUnfolderBase]: For 2748/2788 co-relation queries the response was YES. [2023-11-12 02:14:30,479 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16521 conditions, 6158 events. 3402/6158 cut-off events. For 2748/2788 co-relation queries the response was YES. Maximal size of possible extension queue 375. Compared 46276 event pairs, 1647 based on Foata normal form. 112/6127 useless extension candidates. Maximal degree in co-relation 16507. Up to 3922 conditions per place. [2023-11-12 02:14:30,531 INFO L140 encePairwiseOnDemand]: 126/142 looper letters, 132 selfloop transitions, 46 changer transitions 0/190 dead transitions. [2023-11-12 02:14:30,532 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 190 transitions, 1160 flow [2023-11-12 02:14:30,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 02:14:30,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-12 02:14:30,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 536 transitions. [2023-11-12 02:14:30,535 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6291079812206573 [2023-11-12 02:14:30,535 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 536 transitions. [2023-11-12 02:14:30,535 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 536 transitions. [2023-11-12 02:14:30,536 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:14:30,536 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 536 transitions. [2023-11-12 02:14:30,538 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 89.33333333333333) internal successors, (536), 6 states have internal predecessors, (536), 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) [2023-11-12 02:14:30,541 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 142.0) internal successors, (994), 7 states have internal predecessors, (994), 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) [2023-11-12 02:14:30,542 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 142.0) internal successors, (994), 7 states have internal predecessors, (994), 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) [2023-11-12 02:14:30,542 INFO L175 Difference]: Start difference. First operand has 65 places, 91 transitions, 420 flow. Second operand 6 states and 536 transitions. [2023-11-12 02:14:30,543 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 190 transitions, 1160 flow [2023-11-12 02:14:30,549 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 190 transitions, 1150 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-12 02:14:30,554 INFO L231 Difference]: Finished difference. Result has 69 places, 136 transitions, 843 flow [2023-11-12 02:14:30,555 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=142, PETRI_DIFFERENCE_MINUEND_FLOW=410, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=843, PETRI_PLACES=69, PETRI_TRANSITIONS=136} [2023-11-12 02:14:30,557 INFO L281 CegarLoopForPetriNet]: 53 programPoint places, 16 predicate places. [2023-11-12 02:14:30,557 INFO L495 AbstractCegarLoop]: Abstraction has has 69 places, 136 transitions, 843 flow [2023-11-12 02:14:30,557 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 71.33333333333333) internal successors, (428), 6 states have internal predecessors, (428), 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) [2023-11-12 02:14:30,558 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:14:30,558 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:14:30,558 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-12 02:14:30,563 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 7 more)] === [2023-11-12 02:14:30,563 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:14:30,563 INFO L85 PathProgramCache]: Analyzing trace with hash -114007022, now seen corresponding path program 1 times [2023-11-12 02:14:30,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:14:30,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371813530] [2023-11-12 02:14:30,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:14:30,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:14:30,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:14:30,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:14:30,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:14:30,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371813530] [2023-11-12 02:14:30,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371813530] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:14:30,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:14:30,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:14:30,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204456675] [2023-11-12 02:14:30,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:14:30,946 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 02:14:30,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:14:30,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 02:14:30,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:14:31,207 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 69 out of 142 [2023-11-12 02:14:31,208 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 136 transitions, 843 flow. Second operand has 6 states, 6 states have (on average 71.66666666666667) internal successors, (430), 6 states have internal predecessors, (430), 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) [2023-11-12 02:14:31,209 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:14:31,209 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 69 of 142 [2023-11-12 02:14:31,209 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:14:32,607 INFO L124 PetriNetUnfolderBase]: 4058/7019 cut-off events. [2023-11-12 02:14:32,607 INFO L125 PetriNetUnfolderBase]: For 8273/8358 co-relation queries the response was YES. [2023-11-12 02:14:32,641 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22894 conditions, 7019 events. 4058/7019 cut-off events. For 8273/8358 co-relation queries the response was YES. Maximal size of possible extension queue 448. Compared 51752 event pairs, 1961 based on Foata normal form. 120/7032 useless extension candidates. Maximal degree in co-relation 22876. Up to 4814 conditions per place. [2023-11-12 02:14:32,681 INFO L140 encePairwiseOnDemand]: 126/142 looper letters, 161 selfloop transitions, 54 changer transitions 0/227 dead transitions. [2023-11-12 02:14:32,681 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 227 transitions, 1721 flow [2023-11-12 02:14:32,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 02:14:32,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-12 02:14:32,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 528 transitions. [2023-11-12 02:14:32,684 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6197183098591549 [2023-11-12 02:14:32,684 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 528 transitions. [2023-11-12 02:14:32,684 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 528 transitions. [2023-11-12 02:14:32,685 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:14:32,685 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 528 transitions. [2023-11-12 02:14:32,687 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 88.0) internal successors, (528), 6 states have internal predecessors, (528), 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) [2023-11-12 02:14:32,690 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 142.0) internal successors, (994), 7 states have internal predecessors, (994), 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) [2023-11-12 02:14:32,690 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 142.0) internal successors, (994), 7 states have internal predecessors, (994), 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) [2023-11-12 02:14:32,691 INFO L175 Difference]: Start difference. First operand has 69 places, 136 transitions, 843 flow. Second operand 6 states and 528 transitions. [2023-11-12 02:14:32,691 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 227 transitions, 1721 flow [2023-11-12 02:14:32,729 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 227 transitions, 1687 flow, removed 17 selfloop flow, removed 0 redundant places. [2023-11-12 02:14:32,734 INFO L231 Difference]: Finished difference. Result has 78 places, 181 transitions, 1328 flow [2023-11-12 02:14:32,735 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=142, PETRI_DIFFERENCE_MINUEND_FLOW=809, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=136, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=101, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1328, PETRI_PLACES=78, PETRI_TRANSITIONS=181} [2023-11-12 02:14:32,735 INFO L281 CegarLoopForPetriNet]: 53 programPoint places, 25 predicate places. [2023-11-12 02:14:32,736 INFO L495 AbstractCegarLoop]: Abstraction has has 78 places, 181 transitions, 1328 flow [2023-11-12 02:14:32,736 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 71.66666666666667) internal successors, (430), 6 states have internal predecessors, (430), 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) [2023-11-12 02:14:32,736 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:14:32,737 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:14:32,737 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-12 02:14:32,737 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 7 more)] === [2023-11-12 02:14:32,738 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:14:32,738 INFO L85 PathProgramCache]: Analyzing trace with hash -949823891, now seen corresponding path program 1 times [2023-11-12 02:14:32,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:14:32,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740608221] [2023-11-12 02:14:32,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:14:32,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:14:32,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:14:33,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:14:33,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:14:33,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740608221] [2023-11-12 02:14:33,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740608221] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:14:33,112 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:14:33,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:14:33,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274621402] [2023-11-12 02:14:33,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:14:33,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 02:14:33,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:14:33,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 02:14:33,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:14:33,474 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 142 [2023-11-12 02:14:33,475 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 181 transitions, 1328 flow. Second operand has 6 states, 6 states have (on average 79.66666666666667) internal successors, (478), 6 states have internal predecessors, (478), 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) [2023-11-12 02:14:33,475 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:14:33,475 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 142 [2023-11-12 02:14:33,475 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:14:34,861 INFO L124 PetriNetUnfolderBase]: 4001/7682 cut-off events. [2023-11-12 02:14:34,861 INFO L125 PetriNetUnfolderBase]: For 20103/26214 co-relation queries the response was YES. [2023-11-12 02:14:34,918 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29114 conditions, 7682 events. 4001/7682 cut-off events. For 20103/26214 co-relation queries the response was YES. Maximal size of possible extension queue 437. Compared 62705 event pairs, 1139 based on Foata normal form. 633/7796 useless extension candidates. Maximal degree in co-relation 29091. Up to 2931 conditions per place. [2023-11-12 02:14:34,962 INFO L140 encePairwiseOnDemand]: 136/142 looper letters, 211 selfloop transitions, 5 changer transitions 82/404 dead transitions. [2023-11-12 02:14:34,963 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 404 transitions, 3550 flow [2023-11-12 02:14:34,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 02:14:34,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-12 02:14:34,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 519 transitions. [2023-11-12 02:14:34,967 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6091549295774648 [2023-11-12 02:14:34,967 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 519 transitions. [2023-11-12 02:14:34,967 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 519 transitions. [2023-11-12 02:14:34,968 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:14:34,968 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 519 transitions. [2023-11-12 02:14:34,970 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 86.5) internal successors, (519), 6 states have internal predecessors, (519), 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) [2023-11-12 02:14:34,972 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 142.0) internal successors, (994), 7 states have internal predecessors, (994), 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) [2023-11-12 02:14:34,973 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 142.0) internal successors, (994), 7 states have internal predecessors, (994), 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) [2023-11-12 02:14:34,973 INFO L175 Difference]: Start difference. First operand has 78 places, 181 transitions, 1328 flow. Second operand 6 states and 519 transitions. [2023-11-12 02:14:34,974 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 404 transitions, 3550 flow [2023-11-12 02:14:35,094 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 404 transitions, 3394 flow, removed 78 selfloop flow, removed 0 redundant places. [2023-11-12 02:14:35,103 INFO L231 Difference]: Finished difference. Result has 82 places, 162 transitions, 1132 flow [2023-11-12 02:14:35,103 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=142, PETRI_DIFFERENCE_MINUEND_FLOW=1266, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=180, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=175, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1132, PETRI_PLACES=82, PETRI_TRANSITIONS=162} [2023-11-12 02:14:35,106 INFO L281 CegarLoopForPetriNet]: 53 programPoint places, 29 predicate places. [2023-11-12 02:14:35,106 INFO L495 AbstractCegarLoop]: Abstraction has has 82 places, 162 transitions, 1132 flow [2023-11-12 02:14:35,106 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 79.66666666666667) internal successors, (478), 6 states have internal predecessors, (478), 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) [2023-11-12 02:14:35,107 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:14:35,107 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:14:35,107 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-12 02:14:35,107 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 7 more)] === [2023-11-12 02:14:35,108 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:14:35,108 INFO L85 PathProgramCache]: Analyzing trace with hash 1227111943, now seen corresponding path program 1 times [2023-11-12 02:14:35,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:14:35,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235396606] [2023-11-12 02:14:35,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:14:35,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:14:35,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:14:35,145 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:14:35,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:14:35,193 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:14:35,193 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 02:14:35,194 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (9 of 10 remaining) [2023-11-12 02:14:35,196 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (8 of 10 remaining) [2023-11-12 02:14:35,197 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (7 of 10 remaining) [2023-11-12 02:14:35,197 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 10 remaining) [2023-11-12 02:14:35,197 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 10 remaining) [2023-11-12 02:14:35,198 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (4 of 10 remaining) [2023-11-12 02:14:35,198 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (3 of 10 remaining) [2023-11-12 02:14:35,198 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 10 remaining) [2023-11-12 02:14:35,198 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 10 remaining) [2023-11-12 02:14:35,199 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 10 remaining) [2023-11-12 02:14:35,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-12 02:14:35,199 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-11-12 02:14:35,206 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-12 02:14:35,207 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 02:14:35,240 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre5 could not be translated [2023-11-12 02:14:35,244 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-12 02:14:35,244 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-12 02:14:35,245 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post3 could not be translated [2023-11-12 02:14:35,245 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-12 02:14:35,245 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre7 could not be translated [2023-11-12 02:14:35,245 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post3 could not be translated [2023-11-12 02:14:35,246 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-12 02:14:35,246 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post3 could not be translated [2023-11-12 02:14:35,246 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-12 02:14:35,246 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-12 02:14:35,247 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post3 could not be translated [2023-11-12 02:14:35,253 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 02:14:35 BasicIcfg [2023-11-12 02:14:35,254 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 02:14:35,254 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:14:35,254 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:14:35,255 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:14:35,255 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:14:22" (3/4) ... [2023-11-12 02:14:35,257 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 02:14:35,258 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:14:35,259 INFO L158 Benchmark]: Toolchain (without parser) took 13855.10ms. Allocated memory was 161.5MB in the beginning and 792.7MB in the end (delta: 631.2MB). Free memory was 116.0MB in the beginning and 443.9MB in the end (delta: -327.8MB). Peak memory consumption was 306.6MB. Max. memory is 16.1GB. [2023-11-12 02:14:35,260 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 111.1MB. Free memory was 86.3MB in the beginning and 86.2MB in the end (delta: 97.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:14:35,265 INFO L158 Benchmark]: CACSL2BoogieTranslator took 611.07ms. Allocated memory is still 161.5MB. Free memory was 115.5MB in the beginning and 97.3MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-12 02:14:35,268 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.07ms. Allocated memory is still 161.5MB. Free memory was 97.3MB in the beginning and 95.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:14:35,269 INFO L158 Benchmark]: Boogie Preprocessor took 57.77ms. Allocated memory is still 161.5MB. Free memory was 95.1MB in the beginning and 93.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:14:35,269 INFO L158 Benchmark]: RCFGBuilder took 491.76ms. Allocated memory is still 161.5MB. Free memory was 93.6MB in the beginning and 79.4MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-12 02:14:35,270 INFO L158 Benchmark]: TraceAbstraction took 12609.04ms. Allocated memory was 161.5MB in the beginning and 792.7MB in the end (delta: 631.2MB). Free memory was 78.9MB in the beginning and 443.9MB in the end (delta: -365.0MB). Peak memory consumption was 268.8MB. Max. memory is 16.1GB. [2023-11-12 02:14:35,270 INFO L158 Benchmark]: Witness Printer took 4.13ms. Allocated memory is still 792.7MB. Free memory is still 443.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:14:35,272 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 86.3MB in the beginning and 86.2MB in the end (delta: 97.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 611.07ms. Allocated memory is still 161.5MB. Free memory was 115.5MB in the beginning and 97.3MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.07ms. Allocated memory is still 161.5MB. Free memory was 97.3MB in the beginning and 95.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.77ms. Allocated memory is still 161.5MB. Free memory was 95.1MB in the beginning and 93.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 491.76ms. Allocated memory is still 161.5MB. Free memory was 93.6MB in the beginning and 79.4MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 12609.04ms. Allocated memory was 161.5MB in the beginning and 792.7MB in the end (delta: 631.2MB). Free memory was 78.9MB in the beginning and 443.9MB in the end (delta: -365.0MB). Peak memory consumption was 268.8MB. Max. memory is 16.1GB. * Witness Printer took 4.13ms. Allocated memory is still 792.7MB. Free memory is still 443.9MB. 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~post3 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~pre7 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~post3 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet4 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: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.1s, 100 PlacesBefore, 53 PlacesAfterwards, 93 TransitionsBefore, 46 TransitionsAfterwards, 3784 CoEnabledTransitionPairs, 5 FixpointIterations, 12 TrivialSequentialCompositions, 35 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 47 TotalNumberOfCompositions, 17537 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2756, independent: 2288, independent conditional: 0, independent unconditional: 2288, dependent: 468, dependent conditional: 0, dependent unconditional: 468, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1490, independent: 1432, independent conditional: 0, independent unconditional: 1432, dependent: 58, dependent conditional: 0, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2756, independent: 856, independent conditional: 0, independent unconditional: 856, dependent: 410, dependent conditional: 0, dependent unconditional: 410, unknown: 1490, unknown conditional: 0, unknown unconditional: 1490] , Statistics on independence cache: Total cache size (in pairs): 160, Positive cache size: 119, Positive conditional cache size: 0, Positive unconditional cache size: 119, Negative cache size: 41, Negative conditional cache size: 0, Negative unconditional cache size: 41, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - DataRaceFoundResult [Line: 684]: Data race detected [2023-11-12 02:14:35,299 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre5 could not be translated [2023-11-12 02:14:35,300 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-12 02:14:35,303 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-12 02:14:35,303 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post3 could not be translated [2023-11-12 02:14:35,304 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre7 could not be translated [2023-11-12 02:14:35,304 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-12 02:14:35,304 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post3 could not be translated [2023-11-12 02:14:35,305 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-12 02:14:35,305 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post3 could not be translated [2023-11-12 02:14:35,305 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-12 02:14:35,305 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-12 02:14:35,306 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post3 could not be translated [2023-11-12 02:14:35,319 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre5 could not be translated [2023-11-12 02:14:35,320 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-12 02:14:35,325 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-12 02:14:35,325 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post3 could not be translated [2023-11-12 02:14:35,325 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre7 could not be translated [2023-11-12 02:14:35,326 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-12 02:14:35,326 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post3 could not be translated [2023-11-12 02:14:35,326 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-12 02:14:35,327 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post3 could not be translated [2023-11-12 02:14:35,327 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-12 02:14:35,327 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-12 02:14:35,328 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post3 could not be translated Data race detected The following path leads to a data race: [L679-L682] 0 struct { int x; int y; } data; [L688] 0 pthread_t id, id2; [L689] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, data={1:0}, id2={6:0}, id={5:0}] [L684] EXPR 1 data.x VAL [arg={0:0}, arg={0:0}, data={1:0}] [L684] 1 data.x++ VAL [arg={0:0}, arg={0:0}, data={1:0}] [L690] FCALL, FORK 0 pthread_create(&id2, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, arg={0:0}, data={1:0}, id2={6:0}, id={5:0}] [L684] EXPR 2 data.x VAL [arg={0:0}, arg={0:0}, data={1:0}] [L684] 2 data.x++ VAL [arg={0:0}, arg={0:0}, data={1:0}] Now there is a data race (on the heap) between C: data.x++ [684] and C: data.x++ [684] - UnprovableResult [Line: 691]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 691]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 689]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 690]: 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: 684]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 4 procedures, 121 locations, 10 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: 12.3s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 7.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 876 SdHoareTripleChecker+Valid, 2.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 515 mSDsluCounter, 51 SdHoareTripleChecker+Invalid, 2.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 348 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1975 IncrementalHoareTripleChecker+Invalid, 2323 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 348 mSolverCounterUnsat, 51 mSDtfsCounter, 1975 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1328occurred in iteration=4, InterpolantAutomatonStates: 30, 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, 1.7s InterpolantComputationTime, 82 NumberOfCodeBlocks, 82 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 59 ConstructedInterpolants, 0 QuantifiedInterpolants, 480 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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! [2023-11-12 02:14:35,346 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b49e073-1212-401a-b3db-a636e80e802c/bin/uautomizer-verify-uTZkv6EMXl/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