./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/28-race_reach_84-list2_racing2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version a0165632 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_7460bb04-889a-441f-a7f6-9ff3ae9b9ad8/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7460bb04-889a-441f-a7f6-9ff3ae9b9ad8/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7460bb04-889a-441f-a7f6-9ff3ae9b9ad8/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7460bb04-889a-441f-a7f6-9ff3ae9b9ad8/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_84-list2_racing2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7460bb04-889a-441f-a7f6-9ff3ae9b9ad8/bin/uautomizer-verify-jihMAELWvX/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7460bb04-889a-441f-a7f6-9ff3ae9b9ad8/bin/uautomizer-verify-jihMAELWvX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f70125267ee7251a74a40ef1ba0ea3ced14d0fe45e7a9ea5a666e1eecab0c01c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 16:07:11,616 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 16:07:11,717 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7460bb04-889a-441f-a7f6-9ff3ae9b9ad8/bin/uautomizer-verify-jihMAELWvX/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-08 16:07:11,724 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 16:07:11,727 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 16:07:11,761 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 16:07:11,764 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 16:07:11,765 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 16:07:11,766 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 16:07:11,769 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 16:07:11,770 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 16:07:11,770 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 16:07:11,770 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 16:07:11,773 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 16:07:11,773 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 16:07:11,774 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 16:07:11,774 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 16:07:11,774 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 16:07:11,775 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 16:07:11,775 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 16:07:11,775 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 16:07:11,780 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 16:07:11,780 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-08 16:07:11,781 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 16:07:11,781 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 16:07:11,781 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 16:07:11,782 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 16:07:11,782 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 16:07:11,782 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 16:07:11,783 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 16:07:11,783 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 16:07:11,783 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:07:11,783 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 16:07:11,786 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 16:07:11,787 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 16:07:11,788 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 16:07:11,788 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 16:07:11,789 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 16:07:11,789 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 16:07:11,789 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 16:07:11,789 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 16:07:11,790 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_7460bb04-889a-441f-a7f6-9ff3ae9b9ad8/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7460bb04-889a-441f-a7f6-9ff3ae9b9ad8/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f70125267ee7251a74a40ef1ba0ea3ced14d0fe45e7a9ea5a666e1eecab0c01c [2024-11-08 16:07:12,053 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 16:07:12,088 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 16:07:12,092 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 16:07:12,095 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 16:07:12,095 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 16:07:12,097 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7460bb04-889a-441f-a7f6-9ff3ae9b9ad8/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/goblint-regression/28-race_reach_84-list2_racing2.i Unable to find full path for "g++" [2024-11-08 16:07:14,214 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 16:07:14,529 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 16:07:14,530 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7460bb04-889a-441f-a7f6-9ff3ae9b9ad8/sv-benchmarks/c/goblint-regression/28-race_reach_84-list2_racing2.i [2024-11-08 16:07:14,549 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7460bb04-889a-441f-a7f6-9ff3ae9b9ad8/bin/uautomizer-verify-jihMAELWvX/data/3ed4bfec6/aaa917b2cb584e689bdafce577d9e81b/FLAGff09b299f [2024-11-08 16:07:14,564 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7460bb04-889a-441f-a7f6-9ff3ae9b9ad8/bin/uautomizer-verify-jihMAELWvX/data/3ed4bfec6/aaa917b2cb584e689bdafce577d9e81b [2024-11-08 16:07:14,566 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 16:07:14,568 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 16:07:14,569 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 16:07:14,569 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 16:07:14,575 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 16:07:14,576 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:07:14" (1/1) ... [2024-11-08 16:07:14,577 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a03637a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:07:14, skipping insertion in model container [2024-11-08 16:07:14,577 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:07:14" (1/1) ... [2024-11-08 16:07:14,647 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 16:07:15,333 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:07:15,366 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 16:07:15,442 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:07:15,531 INFO L204 MainTranslator]: Completed translation [2024-11-08 16:07:15,531 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:07:15 WrapperNode [2024-11-08 16:07:15,532 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 16:07:15,533 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 16:07:15,533 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 16:07:15,533 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 16:07:15,541 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:07:15" (1/1) ... [2024-11-08 16:07:15,594 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:07:15" (1/1) ... [2024-11-08 16:07:15,673 INFO L138 Inliner]: procedures = 280, calls = 99, calls flagged for inlining = 13, calls inlined = 14, statements flattened = 630 [2024-11-08 16:07:15,673 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 16:07:15,674 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 16:07:15,674 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 16:07:15,675 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 16:07:15,684 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:07:15" (1/1) ... [2024-11-08 16:07:15,685 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:07:15" (1/1) ... [2024-11-08 16:07:15,702 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:07:15" (1/1) ... [2024-11-08 16:07:15,707 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:07:15" (1/1) ... [2024-11-08 16:07:15,768 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:07:15" (1/1) ... [2024-11-08 16:07:15,781 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:07:15" (1/1) ... [2024-11-08 16:07:15,792 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:07:15" (1/1) ... [2024-11-08 16:07:15,796 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:07:15" (1/1) ... [2024-11-08 16:07:15,810 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 16:07:15,811 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 16:07:15,811 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 16:07:15,811 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 16:07:15,812 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:07:15" (1/1) ... [2024-11-08 16:07:15,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:07:15,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7460bb04-889a-441f-a7f6-9ff3ae9b9ad8/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:07:15,871 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7460bb04-889a-441f-a7f6-9ff3ae9b9ad8/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 16:07:15,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7460bb04-889a-441f-a7f6-9ff3ae9b9ad8/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 16:07:15,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 16:07:15,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-08 16:07:15,908 INFO L130 BoogieDeclarations]: Found specification of procedure t1_fun [2024-11-08 16:07:15,908 INFO L138 BoogieDeclarations]: Found implementation of procedure t1_fun [2024-11-08 16:07:15,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 16:07:15,908 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-08 16:07:15,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 16:07:15,908 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2024-11-08 16:07:15,909 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2024-11-08 16:07:15,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 16:07:15,909 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-08 16:07:15,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-08 16:07:15,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 16:07:15,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-08 16:07:15,910 INFO L130 BoogieDeclarations]: Found specification of procedure t3_fun [2024-11-08 16:07:15,910 INFO L138 BoogieDeclarations]: Found implementation of procedure t3_fun [2024-11-08 16:07:15,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 16:07:15,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 16:07:15,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 16:07:15,916 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-08 16:07:16,181 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 16:07:16,184 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 16:07:17,314 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-08 16:07:17,314 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 16:07:17,390 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 16:07:17,390 INFO L316 CfgBuilder]: Removed 23 assume(true) statements. [2024-11-08 16:07:17,391 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:07:17 BoogieIcfgContainer [2024-11-08 16:07:17,391 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 16:07:17,394 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 16:07:17,394 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 16:07:17,397 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 16:07:17,398 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 04:07:14" (1/3) ... [2024-11-08 16:07:17,399 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d4aac31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:07:17, skipping insertion in model container [2024-11-08 16:07:17,399 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:07:15" (2/3) ... [2024-11-08 16:07:17,400 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d4aac31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:07:17, skipping insertion in model container [2024-11-08 16:07:17,401 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:07:17" (3/3) ... [2024-11-08 16:07:17,403 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_84-list2_racing2.i [2024-11-08 16:07:17,422 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 16:07:17,422 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 44 error locations. [2024-11-08 16:07:17,423 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-08 16:07:17,654 INFO L143 ThreadInstanceAdder]: Constructed 9 joinOtherThreadTransitions. [2024-11-08 16:07:17,727 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 660 places, 704 transitions, 1447 flow [2024-11-08 16:07:19,122 INFO L124 PetriNetUnfolderBase]: 195/2529 cut-off events. [2024-11-08 16:07:19,122 INFO L125 PetriNetUnfolderBase]: For 36/36 co-relation queries the response was YES. [2024-11-08 16:07:19,214 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2583 conditions, 2529 events. 195/2529 cut-off events. For 36/36 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 18331 event pairs, 0 based on Foata normal form. 0/2175 useless extension candidates. Maximal degree in co-relation 1283. Up to 16 conditions per place. [2024-11-08 16:07:19,215 INFO L82 GeneralOperation]: Start removeDead. Operand has 660 places, 704 transitions, 1447 flow [2024-11-08 16:07:19,322 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 660 places, 704 transitions, 1447 flow [2024-11-08 16:07:19,336 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 16:07:19,342 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@55840c6b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 16:07:19,343 INFO L334 AbstractCegarLoop]: Starting to check reachability of 70 error locations. [2024-11-08 16:07:19,349 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-08 16:07:19,349 INFO L124 PetriNetUnfolderBase]: 0/42 cut-off events. [2024-11-08 16:07:19,349 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-08 16:07:19,350 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:07:19,350 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:07:19,351 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr7ASSERT_VIOLATIONDATA_RACE (and 66 more)] === [2024-11-08 16:07:19,356 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:07:19,356 INFO L85 PathProgramCache]: Analyzing trace with hash 780758038, now seen corresponding path program 1 times [2024-11-08 16:07:19,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:07:19,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025022613] [2024-11-08 16:07:19,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:07:19,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:07:19,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:07:19,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:07:19,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:07:19,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025022613] [2024-11-08 16:07:19,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1025022613] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:07:19,690 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:07:19,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 16:07:19,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518867604] [2024-11-08 16:07:19,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:07:19,702 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:07:19,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:07:19,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:07:19,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:07:19,781 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 626 out of 704 [2024-11-08 16:07:19,788 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 660 places, 704 transitions, 1447 flow. Second operand has 3 states, 3 states have (on average 627.3333333333334) internal successors, (1882), 3 states have internal predecessors, (1882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:07:19,788 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:07:19,788 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 626 of 704 [2024-11-08 16:07:19,789 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 16:07:49,419 INFO L124 PetriNetUnfolderBase]: 15368/94098 cut-off events. [2024-11-08 16:07:49,420 INFO L125 PetriNetUnfolderBase]: For 2600/2600 co-relation queries the response was YES. [2024-11-08 16:07:50,697 INFO L83 FinitePrefix]: Finished finitePrefix Result has 114388 conditions, 94098 events. 15368/94098 cut-off events. For 2600/2600 co-relation queries the response was YES. Maximal size of possible extension queue 1305. Compared 1469483 event pairs, 12992 based on Foata normal form. 10370/95501 useless extension candidates. Maximal degree in co-relation 87242. Up to 19299 conditions per place. [2024-11-08 16:07:51,392 INFO L140 encePairwiseOnDemand]: 674/704 looper letters, 46 selfloop transitions, 2 changer transitions 0/672 dead transitions. [2024-11-08 16:07:51,393 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 657 places, 672 transitions, 1479 flow [2024-11-08 16:07:51,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:07:51,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 16:07:51,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1954 transitions. [2024-11-08 16:07:51,429 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9251893939393939 [2024-11-08 16:07:51,432 INFO L175 Difference]: Start difference. First operand has 660 places, 704 transitions, 1447 flow. Second operand 3 states and 1954 transitions. [2024-11-08 16:07:51,433 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 657 places, 672 transitions, 1479 flow [2024-11-08 16:07:51,456 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 657 places, 672 transitions, 1479 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-08 16:07:51,470 INFO L231 Difference]: Finished difference. Result has 657 places, 672 transitions, 1387 flow [2024-11-08 16:07:51,476 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=704, PETRI_DIFFERENCE_MINUEND_FLOW=1383, PETRI_DIFFERENCE_MINUEND_PLACES=655, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=672, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=670, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1387, PETRI_PLACES=657, PETRI_TRANSITIONS=672} [2024-11-08 16:07:51,482 INFO L277 CegarLoopForPetriNet]: 660 programPoint places, -3 predicate places. [2024-11-08 16:07:51,484 INFO L471 AbstractCegarLoop]: Abstraction has has 657 places, 672 transitions, 1387 flow [2024-11-08 16:07:51,486 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 627.3333333333334) internal successors, (1882), 3 states have internal predecessors, (1882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:07:51,487 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 16:07:51,487 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:07:51,488 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 16:07:51,488 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr7ASSERT_VIOLATIONDATA_RACE (and 66 more)] === [2024-11-08 16:07:51,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:07:51,490 INFO L85 PathProgramCache]: Analyzing trace with hash -1223393470, now seen corresponding path program 1 times [2024-11-08 16:07:51,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:07:51,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803384607] [2024-11-08 16:07:51,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:07:51,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:07:51,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:07:51,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:07:51,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:07:51,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803384607] [2024-11-08 16:07:51,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803384607] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:07:51,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:07:51,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 16:07:51,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736320493] [2024-11-08 16:07:51,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:07:51,636 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:07:51,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:07:51,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:07:51,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:07:51,667 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 624 out of 704 [2024-11-08 16:07:51,670 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 657 places, 672 transitions, 1387 flow. Second operand has 3 states, 3 states have (on average 625.0) internal successors, (1875), 3 states have internal predecessors, (1875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:07:51,670 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 16:07:51,671 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 624 of 704 [2024-11-08 16:07:51,671 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand