./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/09-regions_28-list2alloc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 30e01a73 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_036a3adc-4dd3-4ad8-bcec-4495a9c06807/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_036a3adc-4dd3-4ad8-bcec-4495a9c06807/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_036a3adc-4dd3-4ad8-bcec-4495a9c06807/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_036a3adc-4dd3-4ad8-bcec-4495a9c06807/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_28-list2alloc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_036a3adc-4dd3-4ad8-bcec-4495a9c06807/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_036a3adc-4dd3-4ad8-bcec-4495a9c06807/bin/utaipan-verify-mE87zJ7Ire --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 318281cc312c05fd633ca0d066d65c4887939b5717e7fb2aba02dbd1a639e1ad --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:31:51,253 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:31:51,367 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_036a3adc-4dd3-4ad8-bcec-4495a9c06807/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-DataRace-32bit-Taipan_Default.epf [2023-11-23 20:31:51,379 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:31:51,380 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:31:51,448 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:31:51,450 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:31:51,450 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:31:51,451 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:31:51,458 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:31:51,459 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:31:51,460 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:31:51,461 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:31:51,463 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 20:31:51,463 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:31:51,464 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:31:51,464 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 20:31:51,465 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 20:31:51,465 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:31:51,467 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 20:31:51,468 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 20:31:51,469 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 20:31:51,470 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:31:51,470 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:31:51,471 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:31:51,471 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:31:51,472 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:31:51,472 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:31:51,472 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:31:51,473 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:31:51,474 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:31:51,474 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-23 20:31:51,488 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:31:51,488 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:31:51,488 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:31:51,489 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:31:51,489 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:31:51,489 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:31:51,489 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:31:51,490 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:31:51,490 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:31:51,490 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:31:51,491 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 20:31:51,491 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:31:51,491 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:31:51,492 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:31:51,492 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:31:51,492 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:31:51,492 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_036a3adc-4dd3-4ad8-bcec-4495a9c06807/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_036a3adc-4dd3-4ad8-bcec-4495a9c06807/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 318281cc312c05fd633ca0d066d65c4887939b5717e7fb2aba02dbd1a639e1ad [2023-11-23 20:31:51,848 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:31:51,889 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:31:51,893 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:31:51,895 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:31:51,896 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:31:51,897 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_036a3adc-4dd3-4ad8-bcec-4495a9c06807/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/goblint-regression/09-regions_28-list2alloc.i [2023-11-23 20:31:54,888 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:31:55,375 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:31:55,376 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_036a3adc-4dd3-4ad8-bcec-4495a9c06807/sv-benchmarks/c/goblint-regression/09-regions_28-list2alloc.i [2023-11-23 20:31:55,400 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_036a3adc-4dd3-4ad8-bcec-4495a9c06807/bin/utaipan-verify-mE87zJ7Ire/data/1daa1cd10/793efd9f2c1340d8994195e20a0bb451/FLAG6c8a3e0a1 [2023-11-23 20:31:55,420 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_036a3adc-4dd3-4ad8-bcec-4495a9c06807/bin/utaipan-verify-mE87zJ7Ire/data/1daa1cd10/793efd9f2c1340d8994195e20a0bb451 [2023-11-23 20:31:55,429 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:31:55,431 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:31:55,435 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:31:55,436 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:31:55,442 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:31:55,443 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:31:55" (1/1) ... [2023-11-23 20:31:55,444 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@186bb68e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:55, skipping insertion in model container [2023-11-23 20:31:55,444 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:31:55" (1/1) ... [2023-11-23 20:31:55,528 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:31:56,221 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:31:56,237 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:31:56,297 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:31:56,393 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:31:56,394 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:56 WrapperNode [2023-11-23 20:31:56,394 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:31:56,395 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:31:56,396 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:31:56,396 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:31:56,403 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:56" (1/1) ... [2023-11-23 20:31:56,432 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:56" (1/1) ... [2023-11-23 20:31:56,464 INFO L138 Inliner]: procedures = 369, calls = 35, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 109 [2023-11-23 20:31:56,464 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:31:56,465 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:31:56,466 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:31:56,466 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:31:56,476 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:56" (1/1) ... [2023-11-23 20:31:56,477 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:56" (1/1) ... [2023-11-23 20:31:56,483 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:56" (1/1) ... [2023-11-23 20:31:56,484 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:56" (1/1) ... [2023-11-23 20:31:56,499 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:56" (1/1) ... [2023-11-23 20:31:56,501 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:56" (1/1) ... [2023-11-23 20:31:56,505 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:56" (1/1) ... [2023-11-23 20:31:56,507 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:56" (1/1) ... [2023-11-23 20:31:56,512 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:31:56,513 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:31:56,513 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:31:56,513 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:31:56,514 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:56" (1/1) ... [2023-11-23 20:31:56,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:31:56,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_036a3adc-4dd3-4ad8-bcec-4495a9c06807/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:31:56,581 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_036a3adc-4dd3-4ad8-bcec-4495a9c06807/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:31:56,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_036a3adc-4dd3-4ad8-bcec-4495a9c06807/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:31:56,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:31:56,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:31:56,629 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-23 20:31:56,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:31:56,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:31:56,630 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-23 20:31:56,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 20:31:56,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:31:56,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 20:31:56,633 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-23 20:31:56,633 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-23 20:31:56,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:31:56,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:31:56,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:31:56,635 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-23 20:31:56,890 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:31:56,893 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:31:57,381 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:31:57,434 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:31:57,440 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 20:31:57,442 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:31:57 BoogieIcfgContainer [2023-11-23 20:31:57,443 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:31:57,445 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:31:57,446 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:31:57,451 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:31:57,451 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:31:55" (1/3) ... [2023-11-23 20:31:57,452 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c4a72f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:31:57, skipping insertion in model container [2023-11-23 20:31:57,453 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:56" (2/3) ... [2023-11-23 20:31:57,456 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c4a72f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:31:57, skipping insertion in model container [2023-11-23 20:31:57,456 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:31:57" (3/3) ... [2023-11-23 20:31:57,458 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_28-list2alloc.i [2023-11-23 20:31:57,466 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-23 20:31:57,477 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:31:57,478 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2023-11-23 20:31:57,478 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-23 20:31:57,559 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-23 20:31:57,602 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 183 places, 179 transitions, 362 flow [2023-11-23 20:31:57,711 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1545 states, 1519 states have (on average 1.9157340355497037) internal successors, (2910), 1544 states have internal predecessors, (2910), 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) [2023-11-23 20:31:57,729 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 20:31:57,734 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=FINITE_AUTOMATA, 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;@1b24e06a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 20:31:57,735 INFO L358 AbstractCegarLoop]: Starting to check reachability of 21 error locations. [2023-11-23 20:31:57,741 INFO L276 IsEmpty]: Start isEmpty. Operand has 1545 states, 1519 states have (on average 1.9157340355497037) internal successors, (2910), 1544 states have internal predecessors, (2910), 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) [2023-11-23 20:31:57,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:31:57,750 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:31:57,751 INFO L195 NwaCegarLoop]: 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] [2023-11-23 20:31:57,752 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-11-23 20:31:57,758 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:31:57,758 INFO L85 PathProgramCache]: Analyzing trace with hash -1856840632, now seen corresponding path program 1 times [2023-11-23 20:31:57,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:31:57,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178532575] [2023-11-23 20:31:57,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:31:57,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:31:57,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:31:58,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:31:58,746 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:31:58,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178532575] [2023-11-23 20:31:58,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178532575] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:31:58,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:31:58,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 20:31:58,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043755481] [2023-11-23 20:31:58,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:31:58,754 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 20:31:58,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:31:58,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 20:31:58,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-23 20:31:58,789 INFO L87 Difference]: Start difference. First operand has 1545 states, 1519 states have (on average 1.9157340355497037) internal successors, (2910), 1544 states have internal predecessors, (2910), 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) Second operand has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 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) [2023-11-23 20:31:58,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:31:58,970 INFO L93 Difference]: Finished difference Result 1543 states and 2908 transitions. [2023-11-23 20:31:58,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 20:31:58,973 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 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) Word has length 35 [2023-11-23 20:31:58,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:31:58,997 INFO L225 Difference]: With dead ends: 1543 [2023-11-23 20:31:58,997 INFO L226 Difference]: Without dead ends: 1543 [2023-11-23 20:31:58,999 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-23 20:31:59,002 INFO L413 NwaCegarLoop]: 161 mSDtfsCounter, 6 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 262 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 20:31:59,004 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 262 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 20:31:59,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1543 states. [2023-11-23 20:31:59,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1543 to 1543. [2023-11-23 20:31:59,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1543 states, 1519 states have (on average 1.9144173798551678) internal successors, (2908), 1542 states have internal predecessors, (2908), 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) [2023-11-23 20:31:59,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1543 states to 1543 states and 2908 transitions. [2023-11-23 20:31:59,149 INFO L78 Accepts]: Start accepts. Automaton has 1543 states and 2908 transitions. Word has length 35 [2023-11-23 20:31:59,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:31:59,150 INFO L495 AbstractCegarLoop]: Abstraction has 1543 states and 2908 transitions. [2023-11-23 20:31:59,150 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 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) [2023-11-23 20:31:59,151 INFO L276 IsEmpty]: Start isEmpty. Operand 1543 states and 2908 transitions. [2023-11-23 20:31:59,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-23 20:31:59,153 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:31:59,154 INFO L195 NwaCegarLoop]: 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] [2023-11-23 20:31:59,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 20:31:59,154 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-11-23 20:31:59,155 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:31:59,155 INFO L85 PathProgramCache]: Analyzing trace with hash 656299669, now seen corresponding path program 1 times [2023-11-23 20:31:59,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:31:59,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304282331] [2023-11-23 20:31:59,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:31:59,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:31:59,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:31:59,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:31:59,696 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:31:59,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304282331] [2023-11-23 20:31:59,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304282331] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:31:59,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:31:59,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 20:31:59,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764143478] [2023-11-23 20:31:59,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:31:59,699 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 20:31:59,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:31:59,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 20:31:59,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-23 20:31:59,701 INFO L87 Difference]: Start difference. First operand 1543 states and 2908 transitions. Second operand has 6 states, 5 states have (on average 8.6) internal successors, (43), 6 states have internal predecessors, (43), 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) [2023-11-23 20:31:59,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:31:59,872 INFO L93 Difference]: Finished difference Result 1541 states and 2906 transitions. [2023-11-23 20:31:59,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 20:31:59,873 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.6) internal successors, (43), 6 states have internal predecessors, (43), 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) Word has length 43 [2023-11-23 20:31:59,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:31:59,887 INFO L225 Difference]: With dead ends: 1541 [2023-11-23 20:31:59,888 INFO L226 Difference]: Without dead ends: 1541 [2023-11-23 20:31:59,893 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-23 20:31:59,894 INFO L413 NwaCegarLoop]: 159 mSDtfsCounter, 6 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 20:31:59,895 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 260 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 20:31:59,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1541 states. [2023-11-23 20:31:59,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1541 to 1541. [2023-11-23 20:31:59,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1541 states, 1519 states have (on average 1.913100724160632) internal successors, (2906), 1540 states have internal predecessors, (2906), 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) [2023-11-23 20:31:59,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1541 states to 1541 states and 2906 transitions. [2023-11-23 20:31:59,949 INFO L78 Accepts]: Start accepts. Automaton has 1541 states and 2906 transitions. Word has length 43 [2023-11-23 20:31:59,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:31:59,950 INFO L495 AbstractCegarLoop]: Abstraction has 1541 states and 2906 transitions. [2023-11-23 20:31:59,950 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.6) internal successors, (43), 6 states have internal predecessors, (43), 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) [2023-11-23 20:31:59,951 INFO L276 IsEmpty]: Start isEmpty. Operand 1541 states and 2906 transitions. [2023-11-23 20:31:59,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-23 20:31:59,955 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:31:59,955 INFO L195 NwaCegarLoop]: 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, 1, 1, 1, 1, 1] [2023-11-23 20:31:59,955 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 20:31:59,956 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-11-23 20:31:59,957 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:31:59,957 INFO L85 PathProgramCache]: Analyzing trace with hash 257427561, now seen corresponding path program 1 times [2023-11-23 20:31:59,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:31:59,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456056419] [2023-11-23 20:31:59,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:31:59,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:31:59,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:32:00,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:32:00,033 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:32:00,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456056419] [2023-11-23 20:32:00,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456056419] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:32:00,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:32:00,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 20:32:00,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400139907] [2023-11-23 20:32:00,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:32:00,040 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 20:32:00,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:32:00,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 20:32:00,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 20:32:00,043 INFO L87 Difference]: Start difference. First operand 1541 states and 2906 transitions. Second operand has 3 states, 2 states have (on average 26.0) internal successors, (52), 3 states have internal predecessors, (52), 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) [2023-11-23 20:32:00,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:32:00,096 INFO L93 Difference]: Finished difference Result 1540 states and 2905 transitions. [2023-11-23 20:32:00,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 20:32:00,097 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 26.0) internal successors, (52), 3 states have internal predecessors, (52), 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) Word has length 52 [2023-11-23 20:32:00,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:32:00,108 INFO L225 Difference]: With dead ends: 1540 [2023-11-23 20:32:00,108 INFO L226 Difference]: Without dead ends: 1540 [2023-11-23 20:32:00,111 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 20:32:00,116 INFO L413 NwaCegarLoop]: 165 mSDtfsCounter, 2 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 20:32:00,117 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 318 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 20:32:00,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1540 states. [2023-11-23 20:32:00,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1540 to 1540. [2023-11-23 20:32:00,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1540 states, 1519 states have (on average 1.912442396313364) internal successors, (2905), 1539 states have internal predecessors, (2905), 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) [2023-11-23 20:32:00,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1540 states to 1540 states and 2905 transitions. [2023-11-23 20:32:00,203 INFO L78 Accepts]: Start accepts. Automaton has 1540 states and 2905 transitions. Word has length 52 [2023-11-23 20:32:00,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:32:00,205 INFO L495 AbstractCegarLoop]: Abstraction has 1540 states and 2905 transitions. [2023-11-23 20:32:00,206 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 26.0) internal successors, (52), 3 states have internal predecessors, (52), 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) [2023-11-23 20:32:00,206 INFO L276 IsEmpty]: Start isEmpty. Operand 1540 states and 2905 transitions. [2023-11-23 20:32:00,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-11-23 20:32:00,207 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:32:00,208 INFO L195 NwaCegarLoop]: 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, 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] [2023-11-23 20:32:00,208 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-23 20:32:00,208 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-11-23 20:32:00,209 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:32:00,210 INFO L85 PathProgramCache]: Analyzing trace with hash 311511313, now seen corresponding path program 1 times [2023-11-23 20:32:00,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:32:00,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251139015] [2023-11-23 20:32:00,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:32:00,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:32:00,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:32:00,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:32:00,315 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:32:00,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251139015] [2023-11-23 20:32:00,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [251139015] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:32:00,316 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:32:00,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 20:32:00,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885885484] [2023-11-23 20:32:00,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:32:00,318 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 20:32:00,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:32:00,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 20:32:00,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 20:32:00,319 INFO L87 Difference]: Start difference. First operand 1540 states and 2905 transitions. Second operand has 3 states, 2 states have (on average 42.5) internal successors, (85), 3 states have internal predecessors, (85), 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) [2023-11-23 20:32:00,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:32:00,362 INFO L93 Difference]: Finished difference Result 1539 states and 2904 transitions. [2023-11-23 20:32:00,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 20:32:00,363 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 42.5) internal successors, (85), 3 states have internal predecessors, (85), 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) Word has length 85 [2023-11-23 20:32:00,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:32:00,375 INFO L225 Difference]: With dead ends: 1539 [2023-11-23 20:32:00,375 INFO L226 Difference]: Without dead ends: 1539 [2023-11-23 20:32:00,376 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 20:32:00,377 INFO L413 NwaCegarLoop]: 164 mSDtfsCounter, 2 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 20:32:00,378 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 319 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 20:32:00,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1539 states. [2023-11-23 20:32:00,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1539 to 1539. [2023-11-23 20:32:00,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1539 states, 1519 states have (on average 1.911784068466096) internal successors, (2904), 1538 states have internal predecessors, (2904), 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) [2023-11-23 20:32:00,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1539 states to 1539 states and 2904 transitions. [2023-11-23 20:32:00,433 INFO L78 Accepts]: Start accepts. Automaton has 1539 states and 2904 transitions. Word has length 85 [2023-11-23 20:32:00,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:32:00,434 INFO L495 AbstractCegarLoop]: Abstraction has 1539 states and 2904 transitions. [2023-11-23 20:32:00,434 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 42.5) internal successors, (85), 3 states have internal predecessors, (85), 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) [2023-11-23 20:32:00,434 INFO L276 IsEmpty]: Start isEmpty. Operand 1539 states and 2904 transitions. [2023-11-23 20:32:00,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-11-23 20:32:00,442 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:32:00,443 INFO L195 NwaCegarLoop]: 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, 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, 1, 1] [2023-11-23 20:32:00,443 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-23 20:32:00,443 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-11-23 20:32:00,444 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:32:00,444 INFO L85 PathProgramCache]: Analyzing trace with hash 1655204056, now seen corresponding path program 1 times [2023-11-23 20:32:00,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:32:00,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644382262] [2023-11-23 20:32:00,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:32:00,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:32:00,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:32:00,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:32:00,571 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:32:00,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644382262] [2023-11-23 20:32:00,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1644382262] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:32:00,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:32:00,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 20:32:00,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519993667] [2023-11-23 20:32:00,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:32:00,573 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 20:32:00,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:32:00,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 20:32:00,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 20:32:00,575 INFO L87 Difference]: Start difference. First operand 1539 states and 2904 transitions. Second operand has 3 states, 2 states have (on average 48.0) internal successors, (96), 3 states have internal predecessors, (96), 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) [2023-11-23 20:32:00,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:32:00,615 INFO L93 Difference]: Finished difference Result 1457 states and 2742 transitions. [2023-11-23 20:32:00,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 20:32:00,616 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 48.0) internal successors, (96), 3 states have internal predecessors, (96), 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) Word has length 96 [2023-11-23 20:32:00,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:32:00,626 INFO L225 Difference]: With dead ends: 1457 [2023-11-23 20:32:00,626 INFO L226 Difference]: Without dead ends: 1457 [2023-11-23 20:32:00,627 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 20:32:00,628 INFO L413 NwaCegarLoop]: 169 mSDtfsCounter, 77 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 20:32:00,628 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 263 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 20:32:00,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1457 states. [2023-11-23 20:32:00,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1457 to 1457. [2023-11-23 20:32:00,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1457 states, 1446 states have (on average 1.896265560165975) internal successors, (2742), 1456 states have internal predecessors, (2742), 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) [2023-11-23 20:32:00,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1457 states to 1457 states and 2742 transitions. [2023-11-23 20:32:00,679 INFO L78 Accepts]: Start accepts. Automaton has 1457 states and 2742 transitions. Word has length 96 [2023-11-23 20:32:00,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:32:00,680 INFO L495 AbstractCegarLoop]: Abstraction has 1457 states and 2742 transitions. [2023-11-23 20:32:00,681 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 48.0) internal successors, (96), 3 states have internal predecessors, (96), 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) [2023-11-23 20:32:00,681 INFO L276 IsEmpty]: Start isEmpty. Operand 1457 states and 2742 transitions. [2023-11-23 20:32:00,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-23 20:32:00,683 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:32:00,683 INFO L195 NwaCegarLoop]: 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, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:32:00,683 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-23 20:32:00,684 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-11-23 20:32:00,684 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:32:00,684 INFO L85 PathProgramCache]: Analyzing trace with hash -744312740, now seen corresponding path program 1 times [2023-11-23 20:32:00,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:32:00,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266545183] [2023-11-23 20:32:00,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:32:00,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:32:00,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:32:01,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:32:01,446 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:32:01,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266545183] [2023-11-23 20:32:01,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1266545183] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:32:01,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:32:01,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 20:32:01,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105380813] [2023-11-23 20:32:01,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:32:01,448 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 20:32:01,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:32:01,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 20:32:01,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-23 20:32:01,451 INFO L87 Difference]: Start difference. First operand 1457 states and 2742 transitions. Second operand has 6 states, 5 states have (on average 20.4) internal successors, (102), 6 states have internal predecessors, (102), 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) [2023-11-23 20:32:01,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:32:01,670 INFO L93 Difference]: Finished difference Result 1548 states and 2916 transitions. [2023-11-23 20:32:01,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 20:32:01,671 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 20.4) internal successors, (102), 6 states have internal predecessors, (102), 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) Word has length 102 [2023-11-23 20:32:01,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:32:01,685 INFO L225 Difference]: With dead ends: 1548 [2023-11-23 20:32:01,686 INFO L226 Difference]: Without dead ends: 1548 [2023-11-23 20:32:01,686 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-23 20:32:01,687 INFO L413 NwaCegarLoop]: 221 mSDtfsCounter, 96 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 393 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-23 20:32:01,690 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 393 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-23 20:32:01,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1548 states. [2023-11-23 20:32:01,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1548 to 1496. [2023-11-23 20:32:01,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1496 states, 1485 states have (on average 1.8962962962962964) internal successors, (2816), 1495 states have internal predecessors, (2816), 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) [2023-11-23 20:32:01,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1496 states to 1496 states and 2816 transitions. [2023-11-23 20:32:01,748 INFO L78 Accepts]: Start accepts. Automaton has 1496 states and 2816 transitions. Word has length 102 [2023-11-23 20:32:01,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:32:01,748 INFO L495 AbstractCegarLoop]: Abstraction has 1496 states and 2816 transitions. [2023-11-23 20:32:01,749 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 20.4) internal successors, (102), 6 states have internal predecessors, (102), 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) [2023-11-23 20:32:01,749 INFO L276 IsEmpty]: Start isEmpty. Operand 1496 states and 2816 transitions. [2023-11-23 20:32:01,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-23 20:32:01,753 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:32:01,754 INFO L195 NwaCegarLoop]: 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:32:01,754 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-23 20:32:01,754 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-11-23 20:32:01,755 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:32:01,755 INFO L85 PathProgramCache]: Analyzing trace with hash -669246788, now seen corresponding path program 1 times [2023-11-23 20:32:01,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:32:01,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582058793] [2023-11-23 20:32:01,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:32:01,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:32:01,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:32:02,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:32:02,371 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:32:02,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582058793] [2023-11-23 20:32:02,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1582058793] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:32:02,372 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:32:02,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 20:32:02,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367980460] [2023-11-23 20:32:02,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:32:02,374 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 20:32:02,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:32:02,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 20:32:02,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-23 20:32:02,375 INFO L87 Difference]: Start difference. First operand 1496 states and 2816 transitions. Second operand has 6 states, 5 states have (on average 21.6) internal successors, (108), 6 states have internal predecessors, (108), 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) [2023-11-23 20:32:02,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:32:02,899 INFO L93 Difference]: Finished difference Result 1723 states and 3257 transitions. [2023-11-23 20:32:02,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 20:32:02,900 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 21.6) internal successors, (108), 6 states have internal predecessors, (108), 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) Word has length 108 [2023-11-23 20:32:02,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:32:02,913 INFO L225 Difference]: With dead ends: 1723 [2023-11-23 20:32:02,914 INFO L226 Difference]: Without dead ends: 1587 [2023-11-23 20:32:02,915 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-23 20:32:02,918 INFO L413 NwaCegarLoop]: 262 mSDtfsCounter, 155 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 413 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 552 SdHoareTripleChecker+Invalid, 416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-23 20:32:02,919 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 552 Invalid, 416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 413 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-23 20:32:02,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1587 states. [2023-11-23 20:32:02,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1587 to 1544. [2023-11-23 20:32:02,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1544 states, 1533 states have (on average 1.8969341161121982) internal successors, (2908), 1543 states have internal predecessors, (2908), 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) [2023-11-23 20:32:02,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1544 states to 1544 states and 2908 transitions. [2023-11-23 20:32:02,989 INFO L78 Accepts]: Start accepts. Automaton has 1544 states and 2908 transitions. Word has length 108 [2023-11-23 20:32:02,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:32:02,990 INFO L495 AbstractCegarLoop]: Abstraction has 1544 states and 2908 transitions. [2023-11-23 20:32:02,990 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 21.6) internal successors, (108), 6 states have internal predecessors, (108), 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) [2023-11-23 20:32:02,990 INFO L276 IsEmpty]: Start isEmpty. Operand 1544 states and 2908 transitions. [2023-11-23 20:32:02,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-11-23 20:32:02,992 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:32:02,993 INFO L195 NwaCegarLoop]: 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:32:02,993 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-23 20:32:02,994 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-11-23 20:32:02,994 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:32:02,995 INFO L85 PathProgramCache]: Analyzing trace with hash 277901793, now seen corresponding path program 1 times [2023-11-23 20:32:02,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:32:02,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551206046] [2023-11-23 20:32:02,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:32:02,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:32:03,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:32:03,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:32:03,670 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:32:03,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551206046] [2023-11-23 20:32:03,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551206046] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:32:03,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:32:03,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 20:32:03,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202056204] [2023-11-23 20:32:03,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:32:03,672 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 20:32:03,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:32:03,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 20:32:03,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-23 20:32:03,673 INFO L87 Difference]: Start difference. First operand 1544 states and 2908 transitions. Second operand has 6 states, 5 states have (on average 22.0) internal successors, (110), 6 states have internal predecessors, (110), 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) [2023-11-23 20:32:04,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:32:04,042 INFO L93 Difference]: Finished difference Result 1630 states and 3073 transitions. [2023-11-23 20:32:04,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 20:32:04,043 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 22.0) internal successors, (110), 6 states have internal predecessors, (110), 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) Word has length 110 [2023-11-23 20:32:04,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:32:04,054 INFO L225 Difference]: With dead ends: 1630 [2023-11-23 20:32:04,055 INFO L226 Difference]: Without dead ends: 1630 [2023-11-23 20:32:04,055 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-23 20:32:04,056 INFO L413 NwaCegarLoop]: 223 mSDtfsCounter, 87 mSDsluCounter, 414 mSDsCounter, 0 mSdLazyCounter, 314 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 637 SdHoareTripleChecker+Invalid, 315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-23 20:32:04,056 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 637 Invalid, 315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 314 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-23 20:32:04,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1630 states. [2023-11-23 20:32:04,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1630 to 1582. [2023-11-23 20:32:04,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1582 states, 1571 states have (on average 1.896880967536601) internal successors, (2980), 1581 states have internal predecessors, (2980), 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) [2023-11-23 20:32:04,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1582 states to 1582 states and 2980 transitions. [2023-11-23 20:32:04,111 INFO L78 Accepts]: Start accepts. Automaton has 1582 states and 2980 transitions. Word has length 110 [2023-11-23 20:32:04,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:32:04,112 INFO L495 AbstractCegarLoop]: Abstraction has 1582 states and 2980 transitions. [2023-11-23 20:32:04,112 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 22.0) internal successors, (110), 6 states have internal predecessors, (110), 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) [2023-11-23 20:32:04,112 INFO L276 IsEmpty]: Start isEmpty. Operand 1582 states and 2980 transitions. [2023-11-23 20:32:04,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-11-23 20:32:04,114 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:32:04,114 INFO L195 NwaCegarLoop]: 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:32:04,115 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-23 20:32:04,115 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-11-23 20:32:04,115 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:32:04,116 INFO L85 PathProgramCache]: Analyzing trace with hash 1600107377, now seen corresponding path program 1 times [2023-11-23 20:32:04,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:32:04,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475653490] [2023-11-23 20:32:04,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:32:04,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:32:04,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:32:04,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:32:04,329 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:32:04,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475653490] [2023-11-23 20:32:04,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475653490] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:32:04,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:32:04,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 20:32:04,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246318124] [2023-11-23 20:32:04,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:32:04,331 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 20:32:04,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:32:04,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 20:32:04,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 20:32:04,332 INFO L87 Difference]: Start difference. First operand 1582 states and 2980 transitions. Second operand has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 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) [2023-11-23 20:32:04,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:32:04,367 INFO L93 Difference]: Finished difference Result 1477 states and 2744 transitions. [2023-11-23 20:32:04,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 20:32:04,368 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 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) Word has length 115 [2023-11-23 20:32:04,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:32:04,378 INFO L225 Difference]: With dead ends: 1477 [2023-11-23 20:32:04,379 INFO L226 Difference]: Without dead ends: 1477 [2023-11-23 20:32:04,379 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 20:32:04,380 INFO L413 NwaCegarLoop]: 202 mSDtfsCounter, 55 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 20:32:04,380 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 333 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 20:32:04,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1477 states. [2023-11-23 20:32:04,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1477 to 1477. [2023-11-23 20:32:04,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1477 states, 1466 states have (on average 1.8717598908594817) internal successors, (2744), 1476 states have internal predecessors, (2744), 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) [2023-11-23 20:32:04,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1477 states to 1477 states and 2744 transitions. [2023-11-23 20:32:04,428 INFO L78 Accepts]: Start accepts. Automaton has 1477 states and 2744 transitions. Word has length 115 [2023-11-23 20:32:04,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:32:04,428 INFO L495 AbstractCegarLoop]: Abstraction has 1477 states and 2744 transitions. [2023-11-23 20:32:04,429 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 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) [2023-11-23 20:32:04,429 INFO L276 IsEmpty]: Start isEmpty. Operand 1477 states and 2744 transitions. [2023-11-23 20:32:04,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-11-23 20:32:04,431 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:32:04,431 INFO L195 NwaCegarLoop]: 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:32:04,431 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-23 20:32:04,431 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2023-11-23 20:32:04,432 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:32:04,432 INFO L85 PathProgramCache]: Analyzing trace with hash 436468919, now seen corresponding path program 2 times [2023-11-23 20:32:04,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:32:04,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213011328] [2023-11-23 20:32:04,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:32:04,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:32:04,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:32:04,489 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:32:04,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:32:04,560 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 20:32:04,560 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 20:32:04,562 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (20 of 21 remaining) [2023-11-23 20:32:04,564 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (19 of 21 remaining) [2023-11-23 20:32:04,564 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (18 of 21 remaining) [2023-11-23 20:32:04,564 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (17 of 21 remaining) [2023-11-23 20:32:04,564 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (16 of 21 remaining) [2023-11-23 20:32:04,565 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (15 of 21 remaining) [2023-11-23 20:32:04,565 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (14 of 21 remaining) [2023-11-23 20:32:04,565 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (13 of 21 remaining) [2023-11-23 20:32:04,565 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (12 of 21 remaining) [2023-11-23 20:32:04,566 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 21 remaining) [2023-11-23 20:32:04,566 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (10 of 21 remaining) [2023-11-23 20:32:04,566 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (9 of 21 remaining) [2023-11-23 20:32:04,566 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (8 of 21 remaining) [2023-11-23 20:32:04,566 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (7 of 21 remaining) [2023-11-23 20:32:04,567 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONDATA_RACE (6 of 21 remaining) [2023-11-23 20:32:04,567 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr5ASSERT_VIOLATIONDATA_RACE (5 of 21 remaining) [2023-11-23 20:32:04,567 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (4 of 21 remaining) [2023-11-23 20:32:04,567 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (3 of 21 remaining) [2023-11-23 20:32:04,568 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (2 of 21 remaining) [2023-11-23 20:32:04,568 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONDATA_RACE (1 of 21 remaining) [2023-11-23 20:32:04,568 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr5ASSERT_VIOLATIONDATA_RACE (0 of 21 remaining) [2023-11-23 20:32:04,568 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-23 20:32:04,571 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:32:04,578 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-23 20:32:04,578 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 20:32:04,640 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc30 [2023-11-23 20:32:04,643 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret43 [2023-11-23 20:32:04,643 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet44 could not be translated [2023-11-23 20:32:04,644 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc30 [2023-11-23 20:32:04,645 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret45 [2023-11-23 20:32:04,645 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet46 could not be translated [2023-11-23 20:32:04,645 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre47 could not be translated [2023-11-23 20:32:04,646 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated [2023-11-23 20:32:04,647 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated [2023-11-23 20:32:04,647 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated [2023-11-23 20:32:04,648 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated [2023-11-23 20:32:04,648 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet51 could not be translated [2023-11-23 20:32:04,648 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated [2023-11-23 20:32:04,656 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 08:32:04 BasicIcfg [2023-11-23 20:32:04,656 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 20:32:04,656 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:32:04,657 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:32:04,657 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:32:04,657 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:31:57" (3/4) ... [2023-11-23 20:32:04,659 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 20:32:04,660 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:32:04,661 INFO L158 Benchmark]: Toolchain (without parser) took 9230.00ms. Allocated memory was 186.6MB in the beginning and 270.5MB in the end (delta: 83.9MB). Free memory was 152.7MB in the beginning and 166.1MB in the end (delta: -13.4MB). Peak memory consumption was 72.3MB. Max. memory is 16.1GB. [2023-11-23 20:32:04,661 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 130.0MB. Free memory was 102.4MB in the beginning and 102.3MB in the end (delta: 72.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:32:04,662 INFO L158 Benchmark]: CACSL2BoogieTranslator took 959.10ms. Allocated memory is still 186.6MB. Free memory was 152.7MB in the beginning and 114.2MB in the end (delta: 38.4MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-11-23 20:32:04,662 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.47ms. Allocated memory is still 186.6MB. Free memory was 114.2MB in the beginning and 111.2MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:32:04,662 INFO L158 Benchmark]: Boogie Preprocessor took 46.69ms. Allocated memory is still 186.6MB. Free memory was 111.2MB in the beginning and 108.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:32:04,663 INFO L158 Benchmark]: RCFGBuilder took 930.03ms. Allocated memory is still 186.6MB. Free memory was 108.8MB in the beginning and 151.8MB in the end (delta: -43.0MB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. [2023-11-23 20:32:04,663 INFO L158 Benchmark]: TraceAbstraction took 7210.58ms. Allocated memory was 186.6MB in the beginning and 270.5MB in the end (delta: 83.9MB). Free memory was 151.7MB in the beginning and 167.1MB in the end (delta: -15.4MB). Peak memory consumption was 69.6MB. Max. memory is 16.1GB. [2023-11-23 20:32:04,663 INFO L158 Benchmark]: Witness Printer took 3.83ms. Allocated memory is still 270.5MB. Free memory was 167.1MB in the beginning and 166.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:32:04,665 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 130.0MB. Free memory was 102.4MB in the beginning and 102.3MB in the end (delta: 72.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 959.10ms. Allocated memory is still 186.6MB. Free memory was 152.7MB in the beginning and 114.2MB in the end (delta: 38.4MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.47ms. Allocated memory is still 186.6MB. Free memory was 114.2MB in the beginning and 111.2MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.69ms. Allocated memory is still 186.6MB. Free memory was 111.2MB in the beginning and 108.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 930.03ms. Allocated memory is still 186.6MB. Free memory was 108.8MB in the beginning and 151.8MB in the end (delta: -43.0MB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. * TraceAbstraction took 7210.58ms. Allocated memory was 186.6MB in the beginning and 270.5MB in the end (delta: 83.9MB). Free memory was 151.7MB in the beginning and 167.1MB in the end (delta: -15.4MB). Peak memory consumption was 69.6MB. Max. memory is 16.1GB. * Witness Printer took 3.83ms. Allocated memory is still 270.5MB. Free memory was 167.1MB in the beginning and 166.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc30 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~ret43 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc30 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~ret45 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~pre47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem34 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: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - DataRaceFoundResult [Line: 1237]: Data race detected [2023-11-23 20:32:04,698 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc30 [2023-11-23 20:32:04,699 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet44 could not be translated [2023-11-23 20:32:04,699 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret43 [2023-11-23 20:32:04,699 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc30 [2023-11-23 20:32:04,700 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret45 [2023-11-23 20:32:04,701 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet46 could not be translated [2023-11-23 20:32:04,701 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre47 could not be translated [2023-11-23 20:32:04,702 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated [2023-11-23 20:32:04,702 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated [2023-11-23 20:32:04,703 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated [2023-11-23 20:32:04,703 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated [2023-11-23 20:32:04,703 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet51 could not be translated [2023-11-23 20:32:04,704 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated [2023-11-23 20:32:04,730 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc30 [2023-11-23 20:32:04,731 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret43 [2023-11-23 20:32:04,731 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet44 could not be translated [2023-11-23 20:32:04,732 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc30 [2023-11-23 20:32:04,732 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet46 could not be translated [2023-11-23 20:32:04,732 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret45 [2023-11-23 20:32:04,733 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre47 could not be translated [2023-11-23 20:32:04,733 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated [2023-11-23 20:32:04,734 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated [2023-11-23 20:32:04,734 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated [2023-11-23 20:32:04,734 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet51 could not be translated [2023-11-23 20:32:04,735 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated [2023-11-23 20:32:04,735 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated Data race detected The following path leads to a data race: [L1223-L1226] 0 struct s { int datum; struct s *next; } *A, *B; VAL [A={0:0}, B={0:0}] [L1233] 0 pthread_mutex_t A_mutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [A={0:0}, A_mutex={1:0}, B={0:0}] [L1234] 0 pthread_mutex_t B_mutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [A={0:0}, A_mutex={1:0}, B={0:0}, B_mutex={2:0}] [L1245] 0 pthread_t t1; VAL [A={0:0}, A_mutex={1:0}, B={0:0}, B_mutex={2:0}, t1={9:0}] [L1246] CALL, EXPR 0 new(3) [L1228] 0 struct s *p = malloc(sizeof(struct s)); VAL [A={0:0}, A_mutex={1:0}, B={0:0}, B_mutex={2:0}, \old(x)=3, p={-2:0}, x=3] [L1229] 0 p->datum = x VAL [A={0:0}, A_mutex={1:0}, B={0:0}, B_mutex={2:0}, \old(x)=3, p={-2:0}, x=3] [L1230] 0 p->next = ((void *)0) VAL [A={0:0}, A_mutex={1:0}, B={0:0}, B_mutex={2:0}, \old(x)=3, p={-2:0}, x=3] [L1231] 0 return p; VAL [A={0:0}, A_mutex={1:0}, B={0:0}, B_mutex={2:0}, \old(x)=3, \result={-2:0}, p={-2:0}, x=3] [L1246] RET, EXPR 0 new(3) [L1246] 0 A = new(3) VAL [A={-2:0}, A_mutex={1:0}, B={0:0}, B_mutex={2:0}, t1={9:0}] [L1247] CALL, EXPR 0 new(5) [L1228] 0 struct s *p = malloc(sizeof(struct s)); VAL [A={-2:0}, A_mutex={1:0}, B={0:0}, B_mutex={2:0}, \old(x)=5, p={-3:0}, x=5] [L1229] 0 p->datum = x VAL [A={-2:0}, A_mutex={1:0}, B={0:0}, B_mutex={2:0}, \old(x)=5, p={-3:0}, x=5] [L1230] 0 p->next = ((void *)0) VAL [A={-2:0}, A_mutex={1:0}, B={0:0}, B_mutex={2:0}, \old(x)=5, p={-3:0}, x=5] [L1231] 0 return p; VAL [A={-2:0}, A_mutex={1:0}, B={0:0}, B_mutex={2:0}, \old(x)=5, \result={-3:0}, p={-3:0}, x=5] [L1247] RET, EXPR 0 new(5) [L1247] 0 B = new(5) VAL [A={-2:0}, A_mutex={1:0}, B={-3:0}, B_mutex={2:0}, t1={9:0}] [L1248] FCALL, FORK 0 pthread_create(&t1, ((void *)0), t_fun, ((void *)0)) VAL [A={-2:0}, A_mutex={1:0}, B={-3:0}, B_mutex={2:0}, arg={0:0}, t1={9:0}] [L1249] 0 int *data; VAL [A={-2:0}, A_mutex={1:0}, B={-3:0}, B_mutex={2:0}, arg={0:0}, arg={0:0}, t1={9:0}] [L1251] EXPR 0 A->datum VAL [A={-2:0}, A_mutex={1:0}, B={-3:0}, B_mutex={2:0}, arg={0:0}, arg={0:0}, t1={9:0}] [L1251] 0 data = &A->datum VAL [A={-2:0}, A_mutex={1:0}, B={-3:0}, B_mutex={2:0}, arg={0:0}, arg={0:0}, data={-2:0}, t1={9:0}] [L1237] EXPR 1 A->datum VAL [A={-2:0}, A_mutex={1:0}, B={-3:0}, B_mutex={2:0}, arg={0:0}, arg={0:0}] [L1237] 1 A->datum++ VAL [A={-2:0}, A_mutex={1:0}, B={-3:0}, B_mutex={2:0}, arg={0:0}, arg={0:0}] [L1237] 1 A->datum++ VAL [A={-2:0}, A_mutex={1:0}, B={-3:0}, B_mutex={2:0}, arg={0:0}, arg={0:0}] [L1253] 0 *data = 42 VAL [A={-2:0}, A_mutex={1:0}, B={-3:0}, B_mutex={2:0}, arg={0:0}, arg={0:0}, data={-2:0}, t1={9:0}] [L1237] 1 A->datum++ VAL [A={-2:0}, A_mutex={1:0}, B={-3:0}, B_mutex={2:0}, arg={0:0}, arg={0:0}] Now there is a data race, but we were unable to determine exactly which statements and variables are involved. There could be a race between one of the statements * C: p->datum = x [1229] * C: A = new(3) [1246] * C: p->next = ((void *)0) [1230] * C: p->next = ((void *)0) [1230] * C: B = new(5) [1247] * C: *data = 42 [1253] * C: p->datum = x [1229] * C: p->next = ((void *)0) [1230] * C: p->datum = x [1229] * C: p->next = ((void *)0) [1230] * C: p->datum = x [1229] and C: A->datum++ [1237] - UnprovableResult [Line: 1229]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1230]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1246]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1229]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1230]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1247]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1251]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1253]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1248]: 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: 1237]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1237]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1240]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1240]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1240]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 237 locations, 21 error locations. Started 1 CEGAR loops. OverallTime: 7.0s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 486 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 486 mSDsluCounter, 3337 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1611 mSDsCounter, 30 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1132 IncrementalHoareTripleChecker+Invalid, 1162 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 30 mSolverCounterUnsat, 1726 mSDtfsCounter, 1132 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 39 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1582occurred in iteration=8, InterpolantAutomatonStates: 42, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 9 MinimizatonAttempts, 143 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 861 NumberOfCodeBlocks, 861 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 737 ConstructedInterpolants, 0 QuantifiedInterpolants, 1228 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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! [2023-11-23 20:32:04,770 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_036a3adc-4dd3-4ad8-bcec-4495a9c06807/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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