./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_36-traces-ex-3_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855df6c5-c23d-4458-9e33-a2c3b95161ce/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855df6c5-c23d-4458-9e33-a2c3b95161ce/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855df6c5-c23d-4458-9e33-a2c3b95161ce/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855df6c5-c23d-4458-9e33-a2c3b95161ce/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_36-traces-ex-3_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855df6c5-c23d-4458-9e33-a2c3b95161ce/bin/utaipan-verify-SwPr7d2a91/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855df6c5-c23d-4458-9e33-a2c3b95161ce/bin/utaipan-verify-SwPr7d2a91 --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 00ab4006d72abca4f35a64fe9dabb6d6d9b6871c611e836e638cfc5bf3cdc124 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:15:39,241 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:15:39,337 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855df6c5-c23d-4458-9e33-a2c3b95161ce/bin/utaipan-verify-SwPr7d2a91/config/svcomp-DataRace-32bit-Taipan_Default.epf [2023-11-24 23:15:39,344 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:15:39,345 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:15:39,390 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:15:39,391 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:15:39,392 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:15:39,392 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:15:39,393 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:15:39,393 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:15:39,394 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:15:39,395 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:15:39,395 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:15:39,396 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:15:39,396 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:15:39,401 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:15:39,406 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:15:39,407 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:15:39,408 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:15:39,412 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:15:39,413 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:15:39,414 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:15:39,414 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:15:39,415 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:15:39,415 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:15:39,416 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:15:39,416 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:15:39,417 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:15:39,417 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:15:39,417 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:15:39,418 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-24 23:15:39,418 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:15:39,419 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:15:39,419 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:15:39,420 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:15:39,420 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:15:39,421 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:15:39,421 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:15:39,422 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:15:39,422 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:15:39,423 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:15:39,423 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:15:39,423 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:15:39,424 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:15:39,424 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:15:39,424 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:15:39,424 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:15:39,425 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_855df6c5-c23d-4458-9e33-a2c3b95161ce/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855df6c5-c23d-4458-9e33-a2c3b95161ce/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 00ab4006d72abca4f35a64fe9dabb6d6d9b6871c611e836e638cfc5bf3cdc124 [2023-11-24 23:15:39,717 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:15:39,751 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:15:39,755 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:15:39,756 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:15:39,757 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:15:39,758 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855df6c5-c23d-4458-9e33-a2c3b95161ce/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/goblint-regression/13-privatized_36-traces-ex-3_true.i [2023-11-24 23:15:42,930 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:15:43,277 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:15:43,278 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855df6c5-c23d-4458-9e33-a2c3b95161ce/sv-benchmarks/c/goblint-regression/13-privatized_36-traces-ex-3_true.i [2023-11-24 23:15:43,303 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855df6c5-c23d-4458-9e33-a2c3b95161ce/bin/utaipan-verify-SwPr7d2a91/data/f953a4d70/c70786986da44f76b312e2d9bdaa10fd/FLAG9e61e77d1 [2023-11-24 23:15:43,323 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855df6c5-c23d-4458-9e33-a2c3b95161ce/bin/utaipan-verify-SwPr7d2a91/data/f953a4d70/c70786986da44f76b312e2d9bdaa10fd [2023-11-24 23:15:43,326 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:15:43,327 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:15:43,329 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:15:43,329 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:15:43,335 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:15:43,336 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:15:43" (1/1) ... [2023-11-24 23:15:43,337 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e20e08f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:43, skipping insertion in model container [2023-11-24 23:15:43,337 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:15:43" (1/1) ... [2023-11-24 23:15:43,388 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:15:43,807 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:15:43,825 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:15:43,889 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:15:43,942 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:15:43,943 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:43 WrapperNode [2023-11-24 23:15:43,943 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:15:43,944 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:15:43,945 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:15:43,945 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:15:43,953 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:43" (1/1) ... [2023-11-24 23:15:43,977 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:43" (1/1) ... [2023-11-24 23:15:44,011 INFO L138 Inliner]: procedures = 163, calls = 33, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 59 [2023-11-24 23:15:44,012 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:15:44,012 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:15:44,013 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:15:44,013 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:15:44,022 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:43" (1/1) ... [2023-11-24 23:15:44,023 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:43" (1/1) ... [2023-11-24 23:15:44,040 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:43" (1/1) ... [2023-11-24 23:15:44,041 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:43" (1/1) ... [2023-11-24 23:15:44,046 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:43" (1/1) ... [2023-11-24 23:15:44,055 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:43" (1/1) ... [2023-11-24 23:15:44,057 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:43" (1/1) ... [2023-11-24 23:15:44,069 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:43" (1/1) ... [2023-11-24 23:15:44,072 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:15:44,073 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:15:44,074 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:15:44,074 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:15:44,075 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:43" (1/1) ... [2023-11-24 23:15:44,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:15:44,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855df6c5-c23d-4458-9e33-a2c3b95161ce/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:15:44,118 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855df6c5-c23d-4458-9e33-a2c3b95161ce/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:15:44,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855df6c5-c23d-4458-9e33-a2c3b95161ce/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:15:44,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:15:44,163 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-24 23:15:44,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:15:44,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:15:44,164 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-24 23:15:44,164 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-24 23:15:44,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:15:44,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:15:44,167 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-24 23:15:44,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:15:44,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:15:44,169 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-24 23:15:44,365 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:15:44,367 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:15:44,585 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:15:44,621 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:15:44,622 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:15:44,624 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:15:44 BoogieIcfgContainer [2023-11-24 23:15:44,624 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:15:44,627 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:15:44,627 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:15:44,631 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:15:44,631 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:15:43" (1/3) ... [2023-11-24 23:15:44,632 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6908e926 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:15:44, skipping insertion in model container [2023-11-24 23:15:44,633 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:43" (2/3) ... [2023-11-24 23:15:44,633 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6908e926 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:15:44, skipping insertion in model container [2023-11-24 23:15:44,633 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:15:44" (3/3) ... [2023-11-24 23:15:44,635 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_36-traces-ex-3_true.i [2023-11-24 23:15:44,644 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-24 23:15:44,656 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:15:44,657 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-24 23:15:44,657 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-24 23:15:44,707 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-24 23:15:44,740 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 87 places, 85 transitions, 174 flow [2023-11-24 23:15:44,821 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 670 states, 665 states have (on average 1.9428571428571428) internal successors, (1292), 669 states have internal predecessors, (1292), 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) [2023-11-24 23:15:44,846 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:15:44,854 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;@50d2b91a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:15:44,855 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2023-11-24 23:15:44,862 INFO L276 IsEmpty]: Start isEmpty. Operand has 670 states, 665 states have (on average 1.9428571428571428) internal successors, (1292), 669 states have internal predecessors, (1292), 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) [2023-11-24 23:15:44,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-24 23:15:44,871 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:15:44,871 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] [2023-11-24 23:15:44,872 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2023-11-24 23:15:44,877 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:15:44,878 INFO L85 PathProgramCache]: Analyzing trace with hash 1695691265, now seen corresponding path program 1 times [2023-11-24 23:15:44,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:15:44,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590746022] [2023-11-24 23:15:44,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:15:44,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:15:45,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:15:45,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:15:45,270 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:15:45,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590746022] [2023-11-24 23:15:45,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590746022] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:15:45,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:15:45,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 23:15:45,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985525104] [2023-11-24 23:15:45,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:15:45,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:15:45,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:15:45,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:15:45,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:15:45,326 INFO L87 Difference]: Start difference. First operand has 670 states, 665 states have (on average 1.9428571428571428) internal successors, (1292), 669 states have internal predecessors, (1292), 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 3 states, 2 states have (on average 17.5) internal successors, (35), 3 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) [2023-11-24 23:15:45,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:15:45,446 INFO L93 Difference]: Finished difference Result 647 states and 1211 transitions. [2023-11-24 23:15:45,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 23:15:45,449 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 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 [2023-11-24 23:15:45,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:15:45,471 INFO L225 Difference]: With dead ends: 647 [2023-11-24 23:15:45,471 INFO L226 Difference]: Without dead ends: 647 [2023-11-24 23:15:45,473 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 [2023-11-24 23:15:45,477 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 28 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-24 23:15:45,478 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 150 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-24 23:15:45,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 647 states. [2023-11-24 23:15:45,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 647 to 627. [2023-11-24 23:15:45,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 627 states, 620 states have (on average 1.8903225806451613) internal successors, (1172), 626 states have internal predecessors, (1172), 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) [2023-11-24 23:15:45,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 627 states and 1172 transitions. [2023-11-24 23:15:45,600 INFO L78 Accepts]: Start accepts. Automaton has 627 states and 1172 transitions. Word has length 35 [2023-11-24 23:15:45,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:15:45,600 INFO L495 AbstractCegarLoop]: Abstraction has 627 states and 1172 transitions. [2023-11-24 23:15:45,601 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 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) [2023-11-24 23:15:45,601 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 1172 transitions. [2023-11-24 23:15:45,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-24 23:15:45,603 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:15:45,603 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] [2023-11-24 23:15:45,604 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-24 23:15:45,604 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2023-11-24 23:15:45,605 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:15:45,605 INFO L85 PathProgramCache]: Analyzing trace with hash 255671521, now seen corresponding path program 1 times [2023-11-24 23:15:45,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:15:45,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013081546] [2023-11-24 23:15:45,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:15:45,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:15:45,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:15:45,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:15:45,703 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:15:45,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013081546] [2023-11-24 23:15:45,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013081546] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:15:45,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:15:45,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 23:15:45,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369603490] [2023-11-24 23:15:45,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:15:45,725 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:15:45,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:15:45,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:15:45,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:15:45,728 INFO L87 Difference]: Start difference. First operand 627 states and 1172 transitions. Second operand has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 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) [2023-11-24 23:15:45,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:15:45,798 INFO L93 Difference]: Finished difference Result 833 states and 1548 transitions. [2023-11-24 23:15:45,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 23:15:45,799 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 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 38 [2023-11-24 23:15:45,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:15:45,808 INFO L225 Difference]: With dead ends: 833 [2023-11-24 23:15:45,808 INFO L226 Difference]: Without dead ends: 773 [2023-11-24 23:15:45,809 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 [2023-11-24 23:15:45,810 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 39 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-24 23:15:45,811 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 144 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-24 23:15:45,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 773 states. [2023-11-24 23:15:45,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 773 to 575. [2023-11-24 23:15:45,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 575 states, 569 states have (on average 1.875219683655536) internal successors, (1067), 574 states have internal predecessors, (1067), 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) [2023-11-24 23:15:45,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 575 states and 1067 transitions. [2023-11-24 23:15:45,837 INFO L78 Accepts]: Start accepts. Automaton has 575 states and 1067 transitions. Word has length 38 [2023-11-24 23:15:45,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:15:45,838 INFO L495 AbstractCegarLoop]: Abstraction has 575 states and 1067 transitions. [2023-11-24 23:15:45,838 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 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) [2023-11-24 23:15:45,839 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 1067 transitions. [2023-11-24 23:15:45,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-24 23:15:45,848 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:15:45,849 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] [2023-11-24 23:15:45,849 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-24 23:15:45,850 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2023-11-24 23:15:45,850 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:15:45,850 INFO L85 PathProgramCache]: Analyzing trace with hash 246845832, now seen corresponding path program 1 times [2023-11-24 23:15:45,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:15:45,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057882101] [2023-11-24 23:15:45,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:15:45,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:15:45,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:15:46,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:15:46,260 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:15:46,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057882101] [2023-11-24 23:15:46,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057882101] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:15:46,261 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:15:46,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-24 23:15:46,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127150783] [2023-11-24 23:15:46,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:15:46,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-24 23:15:46,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:15:46,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-24 23:15:46,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-24 23:15:46,265 INFO L87 Difference]: Start difference. First operand 575 states and 1067 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 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) [2023-11-24 23:15:46,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:15:46,366 INFO L93 Difference]: Finished difference Result 309 states and 530 transitions. [2023-11-24 23:15:46,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-24 23:15:46,367 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 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 44 [2023-11-24 23:15:46,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:15:46,370 INFO L225 Difference]: With dead ends: 309 [2023-11-24 23:15:46,370 INFO L226 Difference]: Without dead ends: 303 [2023-11-24 23:15:46,370 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-24 23:15:46,372 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 99 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-24 23:15:46,373 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 137 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-24 23:15:46,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2023-11-24 23:15:46,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 303. [2023-11-24 23:15:46,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 303 states, 301 states have (on average 1.7308970099667773) internal successors, (521), 302 states have internal predecessors, (521), 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) [2023-11-24 23:15:46,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 521 transitions. [2023-11-24 23:15:46,385 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 521 transitions. Word has length 44 [2023-11-24 23:15:46,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:15:46,385 INFO L495 AbstractCegarLoop]: Abstraction has 303 states and 521 transitions. [2023-11-24 23:15:46,386 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 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) [2023-11-24 23:15:46,386 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 521 transitions. [2023-11-24 23:15:46,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-24 23:15:46,388 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:15:46,388 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] [2023-11-24 23:15:46,388 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-24 23:15:46,389 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2023-11-24 23:15:46,389 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:15:46,389 INFO L85 PathProgramCache]: Analyzing trace with hash -1104466915, now seen corresponding path program 1 times [2023-11-24 23:15:46,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:15:46,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498277979] [2023-11-24 23:15:46,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:15:46,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:15:46,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:15:46,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:15:46,435 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:15:46,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498277979] [2023-11-24 23:15:46,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498277979] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:15:46,436 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:15:46,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 23:15:46,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276775574] [2023-11-24 23:15:46,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:15:46,437 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:15:46,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:15:46,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:15:46,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:15:46,439 INFO L87 Difference]: Start difference. First operand 303 states and 521 transitions. Second operand has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 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) [2023-11-24 23:15:46,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:15:46,469 INFO L93 Difference]: Finished difference Result 288 states and 493 transitions. [2023-11-24 23:15:46,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 23:15:46,469 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 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 44 [2023-11-24 23:15:46,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:15:46,470 INFO L225 Difference]: With dead ends: 288 [2023-11-24 23:15:46,470 INFO L226 Difference]: Without dead ends: 0 [2023-11-24 23:15:46,471 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 [2023-11-24 23:15:46,472 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 13 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-24 23:15:46,473 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 123 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-24 23:15:46,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-24 23:15:46,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-24 23:15:46,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2023-11-24 23:15:46,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-24 23:15:46,475 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 44 [2023-11-24 23:15:46,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:15:46,475 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-24 23:15:46,475 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 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) [2023-11-24 23:15:46,476 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-24 23:15:46,476 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-24 23:15:46,479 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 6 remaining) [2023-11-24 23:15:46,480 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 6 remaining) [2023-11-24 23:15:46,480 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 6 remaining) [2023-11-24 23:15:46,480 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 6 remaining) [2023-11-24 23:15:46,481 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 6 remaining) [2023-11-24 23:15:46,481 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 6 remaining) [2023-11-24 23:15:46,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-24 23:15:46,485 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-24 23:15:46,491 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-24 23:15:46,491 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-24 23:15:46,495 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 11:15:46 BasicIcfg [2023-11-24 23:15:46,496 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-24 23:15:46,496 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:15:46,497 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:15:46,497 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:15:46,497 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:15:44" (3/4) ... [2023-11-24 23:15:46,499 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-24 23:15:46,503 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2023-11-24 23:15:46,508 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-24 23:15:46,508 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-24 23:15:46,508 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-24 23:15:46,508 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 23:15:46,595 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855df6c5-c23d-4458-9e33-a2c3b95161ce/bin/utaipan-verify-SwPr7d2a91/witness.graphml [2023-11-24 23:15:46,595 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855df6c5-c23d-4458-9e33-a2c3b95161ce/bin/utaipan-verify-SwPr7d2a91/witness.yml [2023-11-24 23:15:46,596 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:15:46,596 INFO L158 Benchmark]: Toolchain (without parser) took 3269.22ms. Allocated memory is still 224.4MB. Free memory was 189.1MB in the beginning and 116.3MB in the end (delta: 72.8MB). Peak memory consumption was 73.7MB. Max. memory is 16.1GB. [2023-11-24 23:15:46,597 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 134.2MB. Free memory is still 80.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:15:46,597 INFO L158 Benchmark]: CACSL2BoogieTranslator took 614.56ms. Allocated memory is still 224.4MB. Free memory was 189.1MB in the beginning and 169.4MB in the end (delta: 19.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-24 23:15:46,598 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.59ms. Allocated memory is still 224.4MB. Free memory was 169.4MB in the beginning and 167.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:15:46,598 INFO L158 Benchmark]: Boogie Preprocessor took 60.24ms. Allocated memory is still 224.4MB. Free memory was 167.3MB in the beginning and 166.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:15:46,598 INFO L158 Benchmark]: RCFGBuilder took 550.62ms. Allocated memory is still 224.4MB. Free memory was 166.0MB in the beginning and 150.1MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 23:15:46,599 INFO L158 Benchmark]: TraceAbstraction took 1868.62ms. Allocated memory is still 224.4MB. Free memory was 149.3MB in the beginning and 120.5MB in the end (delta: 28.8MB). Peak memory consumption was 29.6MB. Max. memory is 16.1GB. [2023-11-24 23:15:46,599 INFO L158 Benchmark]: Witness Printer took 99.36ms. Allocated memory is still 224.4MB. Free memory was 120.5MB in the beginning and 116.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:15:46,601 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 134.2MB. Free memory is still 80.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 614.56ms. Allocated memory is still 224.4MB. Free memory was 189.1MB in the beginning and 169.4MB in the end (delta: 19.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.59ms. Allocated memory is still 224.4MB. Free memory was 169.4MB in the beginning and 167.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.24ms. Allocated memory is still 224.4MB. Free memory was 167.3MB in the beginning and 166.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 550.62ms. Allocated memory is still 224.4MB. Free memory was 166.0MB in the beginning and 150.1MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1868.62ms. Allocated memory is still 224.4MB. Free memory was 149.3MB in the beginning and 120.5MB in the end (delta: 28.8MB). Peak memory consumption was 29.6MB. Max. memory is 16.1GB. * Witness Printer took 99.36ms. Allocated memory is still 224.4MB. Free memory was 120.5MB in the beginning and 116.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * 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 - PositiveResult [Line: 699]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 686]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 689]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 109 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 179 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 179 mSDsluCounter, 554 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 245 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 150 IncrementalHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 309 mSDtfsCounter, 150 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=670occurred in iteration=0, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 218 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 161 NumberOfCodeBlocks, 161 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 157 ConstructedInterpolants, 0 QuantifiedInterpolants, 330 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-24 23:15:46,622 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_855df6c5-c23d-4458-9e33-a2c3b95161ce/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE