./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_pos.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 9bd2c7ff 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_9d5155a1-08ce-4c98-8d16-8cde5b748956/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d5155a1-08ce-4c98-8d16-8cde5b748956/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d5155a1-08ce-4c98-8d16-8cde5b748956/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d5155a1-08ce-4c98-8d16-8cde5b748956/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_pos.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d5155a1-08ce-4c98-8d16-8cde5b748956/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d5155a1-08ce-4c98-8d16-8cde5b748956/bin/utaipan-verify-t7M7D8N6sZ --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 dfa09ef2a9611ca17b7987ae6667bf9c5dfecc9a3d2f86327d9d054dda20e42c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:53:54,718 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:53:54,840 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d5155a1-08ce-4c98-8d16-8cde5b748956/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-DataRace-32bit-Taipan_Default.epf [2023-11-19 04:53:54,847 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:53:54,848 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:53:54,881 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:53:54,882 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:53:54,883 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:53:54,884 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:53:54,889 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:53:54,889 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:53:54,890 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:53:54,890 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:53:54,892 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:53:54,893 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:53:54,893 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:53:54,893 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:53:54,894 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:53:54,894 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:53:54,895 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:53:54,895 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:53:54,896 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:53:54,897 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:53:54,897 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:53:54,898 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:53:54,898 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:53:54,899 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:53:54,899 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:53:54,900 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:53:54,900 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:53:54,901 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:53:54,902 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-19 04:53:54,902 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:53:54,902 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:53:54,902 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:53:54,903 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:53:54,903 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:53:54,903 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:53:54,904 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:53:54,904 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:53:54,904 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:53:54,905 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:53:54,905 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:53:54,905 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:53:54,906 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:53:54,906 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:53:54,906 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:53:54,906 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_9d5155a1-08ce-4c98-8d16-8cde5b748956/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d5155a1-08ce-4c98-8d16-8cde5b748956/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dfa09ef2a9611ca17b7987ae6667bf9c5dfecc9a3d2f86327d9d054dda20e42c [2023-11-19 04:53:55,235 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:53:55,267 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:53:55,270 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:53:55,271 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:53:55,272 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:53:55,273 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d5155a1-08ce-4c98-8d16-8cde5b748956/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_pos.i [2023-11-19 04:53:58,389 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:53:58,813 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:53:58,814 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d5155a1-08ce-4c98-8d16-8cde5b748956/sv-benchmarks/c/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_pos.i [2023-11-19 04:53:58,836 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d5155a1-08ce-4c98-8d16-8cde5b748956/bin/utaipan-verify-t7M7D8N6sZ/data/6c9e7623e/c6e3dbb8c2b24109994fab19068bc4b4/FLAGa1f79f314 [2023-11-19 04:53:58,865 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d5155a1-08ce-4c98-8d16-8cde5b748956/bin/utaipan-verify-t7M7D8N6sZ/data/6c9e7623e/c6e3dbb8c2b24109994fab19068bc4b4 [2023-11-19 04:53:58,873 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:53:58,875 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:53:58,880 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:53:58,880 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:53:58,887 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:53:58,892 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:53:58" (1/1) ... [2023-11-19 04:53:58,893 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13debad3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:58, skipping insertion in model container [2023-11-19 04:53:58,894 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:53:58" (1/1) ... [2023-11-19 04:53:58,954 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:53:59,478 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:53:59,499 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:53:59,583 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:53:59,662 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:53:59,663 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:59 WrapperNode [2023-11-19 04:53:59,663 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:53:59,665 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:53:59,665 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:53:59,666 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:53:59,677 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:59" (1/1) ... [2023-11-19 04:53:59,713 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:59" (1/1) ... [2023-11-19 04:53:59,756 INFO L138 Inliner]: procedures = 163, calls = 30, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 68 [2023-11-19 04:53:59,756 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:53:59,757 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:53:59,758 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:53:59,758 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:53:59,770 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:59" (1/1) ... [2023-11-19 04:53:59,770 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:59" (1/1) ... [2023-11-19 04:53:59,784 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:59" (1/1) ... [2023-11-19 04:53:59,785 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:59" (1/1) ... [2023-11-19 04:53:59,792 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:59" (1/1) ... [2023-11-19 04:53:59,801 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:59" (1/1) ... [2023-11-19 04:53:59,804 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:59" (1/1) ... [2023-11-19 04:53:59,806 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:59" (1/1) ... [2023-11-19 04:53:59,810 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:53:59,811 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:53:59,812 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:53:59,812 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:53:59,813 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:59" (1/1) ... [2023-11-19 04:53:59,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:53:59,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d5155a1-08ce-4c98-8d16-8cde5b748956/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:53:59,857 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d5155a1-08ce-4c98-8d16-8cde5b748956/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:53:59,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d5155a1-08ce-4c98-8d16-8cde5b748956/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:53:59,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:53:59,909 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-19 04:53:59,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:53:59,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:53:59,910 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-19 04:53:59,910 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-19 04:53:59,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:53:59,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:53:59,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:53:59,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:53:59,914 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 04:54:00,092 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:54:00,095 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:54:00,344 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:54:00,357 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:54:00,358 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 04:54:00,367 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:54:00 BoogieIcfgContainer [2023-11-19 04:54:00,368 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:54:00,374 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:54:00,374 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:54:00,379 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:54:00,380 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:53:58" (1/3) ... [2023-11-19 04:54:00,381 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2568facb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:54:00, skipping insertion in model container [2023-11-19 04:54:00,381 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:59" (2/3) ... [2023-11-19 04:54:00,382 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2568facb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:54:00, skipping insertion in model container [2023-11-19 04:54:00,382 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:54:00" (3/3) ... [2023-11-19 04:54:00,384 INFO L112 eAbstractionObserver]: Analyzing ICFG 36-apron_17-traces-rpb-litmus_unknown_1_pos.i [2023-11-19 04:54:00,396 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-19 04:54:00,412 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:54:00,413 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-19 04:54:00,413 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-19 04:54:00,495 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-19 04:54:00,545 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-11-19 04:54:00,566 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 93 places, 92 transitions, 188 flow [2023-11-19 04:54:00,570 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 93 places, 92 transitions, 188 flow [2023-11-19 04:54:00,573 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 93 places, 92 transitions, 188 flow [2023-11-19 04:54:00,646 INFO L124 PetriNetUnfolderBase]: 3/91 cut-off events. [2023-11-19 04:54:00,647 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 04:54:00,653 INFO L83 FinitePrefix]: Finished finitePrefix Result has 95 conditions, 91 events. 3/91 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 97 event pairs, 0 based on Foata normal form. 0/85 useless extension candidates. Maximal degree in co-relation 58. Up to 2 conditions per place. [2023-11-19 04:54:00,656 INFO L119 LiptonReduction]: Number of co-enabled transitions 1290 [2023-11-19 04:54:05,017 INFO L134 LiptonReduction]: Checked pairs total: 4447 [2023-11-19 04:54:05,017 INFO L136 LiptonReduction]: Total number of compositions: 79 [2023-11-19 04:54:05,032 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 30 places, 28 transitions, 60 flow [2023-11-19 04:54:05,090 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 134 states, 129 states have (on average 1.9844961240310077) internal successors, (256), 133 states have internal predecessors, (256), 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) [2023-11-19 04:54:05,123 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:54:05,136 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;@7ae064d0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:54:05,136 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2023-11-19 04:54:05,143 INFO L276 IsEmpty]: Start isEmpty. Operand has 134 states, 129 states have (on average 1.9844961240310077) internal successors, (256), 133 states have internal predecessors, (256), 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) [2023-11-19 04:54:05,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 04:54:05,151 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:54:05,152 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-19 04:54:05,153 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-11-19 04:54:05,166 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:54:05,166 INFO L85 PathProgramCache]: Analyzing trace with hash 804861297, now seen corresponding path program 1 times [2023-11-19 04:54:05,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:54:05,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153249395] [2023-11-19 04:54:05,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:54:05,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:54:05,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:54:05,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:54:05,521 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:54:05,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153249395] [2023-11-19 04:54:05,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1153249395] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:54:05,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:54:05,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:54:05,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590511007] [2023-11-19 04:54:05,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:54:05,534 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:54:05,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:54:05,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:54:05,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:54:05,578 INFO L87 Difference]: Start difference. First operand has 134 states, 129 states have (on average 1.9844961240310077) internal successors, (256), 133 states have internal predecessors, (256), 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 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2023-11-19 04:54:05,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:54:05,716 INFO L93 Difference]: Finished difference Result 143 states and 258 transitions. [2023-11-19 04:54:05,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:54:05,719 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 6 [2023-11-19 04:54:05,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:54:05,737 INFO L225 Difference]: With dead ends: 143 [2023-11-19 04:54:05,737 INFO L226 Difference]: Without dead ends: 128 [2023-11-19 04:54:05,739 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 [2023-11-19 04:54:05,745 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 11 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 04:54:05,748 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 13 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 04:54:05,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2023-11-19 04:54:05,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 120. [2023-11-19 04:54:05,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 115 states have (on average 1.8695652173913044) internal successors, (215), 119 states have internal predecessors, (215), 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) [2023-11-19 04:54:05,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 215 transitions. [2023-11-19 04:54:05,839 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 215 transitions. Word has length 6 [2023-11-19 04:54:05,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:54:05,840 INFO L495 AbstractCegarLoop]: Abstraction has 120 states and 215 transitions. [2023-11-19 04:54:05,841 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2023-11-19 04:54:05,842 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 215 transitions. [2023-11-19 04:54:05,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 04:54:05,845 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:54:05,845 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:54:05,845 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 04:54:05,846 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-11-19 04:54:05,847 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:54:05,847 INFO L85 PathProgramCache]: Analyzing trace with hash -818370589, now seen corresponding path program 1 times [2023-11-19 04:54:05,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:54:05,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691237201] [2023-11-19 04:54:05,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:54:05,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:54:05,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:54:06,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:54:06,016 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:54:06,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691237201] [2023-11-19 04:54:06,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691237201] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:54:06,017 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:54:06,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:54:06,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124438253] [2023-11-19 04:54:06,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:54:06,019 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:54:06,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:54:06,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:54:06,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:54:06,021 INFO L87 Difference]: Start difference. First operand 120 states and 215 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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) [2023-11-19 04:54:06,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:54:06,114 INFO L93 Difference]: Finished difference Result 123 states and 216 transitions. [2023-11-19 04:54:06,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:54:06,115 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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 7 [2023-11-19 04:54:06,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:54:06,119 INFO L225 Difference]: With dead ends: 123 [2023-11-19 04:54:06,120 INFO L226 Difference]: Without dead ends: 108 [2023-11-19 04:54:06,120 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 [2023-11-19 04:54:06,123 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 8 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 04:54:06,124 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 13 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 04:54:06,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2023-11-19 04:54:06,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 106. [2023-11-19 04:54:06,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 101 states have (on average 1.8415841584158417) internal successors, (186), 105 states have internal predecessors, (186), 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) [2023-11-19 04:54:06,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 186 transitions. [2023-11-19 04:54:06,149 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 186 transitions. Word has length 7 [2023-11-19 04:54:06,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:54:06,149 INFO L495 AbstractCegarLoop]: Abstraction has 106 states and 186 transitions. [2023-11-19 04:54:06,150 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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) [2023-11-19 04:54:06,150 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 186 transitions. [2023-11-19 04:54:06,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 04:54:06,151 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:54:06,153 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:54:06,153 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 04:54:06,154 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-11-19 04:54:06,155 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:54:06,156 INFO L85 PathProgramCache]: Analyzing trace with hash -832175971, now seen corresponding path program 1 times [2023-11-19 04:54:06,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:54:06,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989769043] [2023-11-19 04:54:06,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:54:06,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:54:06,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:54:06,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:54:06,272 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:54:06,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989769043] [2023-11-19 04:54:06,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989769043] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:54:06,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:54:06,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:54:06,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285731394] [2023-11-19 04:54:06,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:54:06,277 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:54:06,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:54:06,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:54:06,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:54:06,280 INFO L87 Difference]: Start difference. First operand 106 states and 186 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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) [2023-11-19 04:54:06,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:54:06,362 INFO L93 Difference]: Finished difference Result 104 states and 173 transitions. [2023-11-19 04:54:06,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:54:06,363 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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 7 [2023-11-19 04:54:06,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:54:06,367 INFO L225 Difference]: With dead ends: 104 [2023-11-19 04:54:06,368 INFO L226 Difference]: Without dead ends: 84 [2023-11-19 04:54:06,368 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 [2023-11-19 04:54:06,372 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 13 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 04:54:06,375 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 12 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 04:54:06,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2023-11-19 04:54:06,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2023-11-19 04:54:06,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 81 states have (on average 1.691358024691358) internal successors, (137), 83 states have internal predecessors, (137), 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) [2023-11-19 04:54:06,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 137 transitions. [2023-11-19 04:54:06,399 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 137 transitions. Word has length 7 [2023-11-19 04:54:06,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:54:06,401 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 137 transitions. [2023-11-19 04:54:06,401 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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) [2023-11-19 04:54:06,401 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 137 transitions. [2023-11-19 04:54:06,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 04:54:06,403 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:54:06,404 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:54:06,404 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 04:54:06,404 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-11-19 04:54:06,405 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:54:06,405 INFO L85 PathProgramCache]: Analyzing trace with hash 2112394274, now seen corresponding path program 1 times [2023-11-19 04:54:06,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:54:06,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800506619] [2023-11-19 04:54:06,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:54:06,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:54:06,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:54:06,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:54:06,832 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:54:06,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800506619] [2023-11-19 04:54:06,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [800506619] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:54:06,833 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:54:06,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:54:06,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266100005] [2023-11-19 04:54:06,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:54:06,835 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 04:54:06,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:54:06,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 04:54:06,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 04:54:06,836 INFO L87 Difference]: Start difference. First operand 84 states and 137 transitions. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 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) [2023-11-19 04:54:06,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:54:06,881 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2023-11-19 04:54:06,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 04:54:06,882 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 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 10 [2023-11-19 04:54:06,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:54:06,883 INFO L225 Difference]: With dead ends: 16 [2023-11-19 04:54:06,883 INFO L226 Difference]: Without dead ends: 0 [2023-11-19 04:54:06,883 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 04:54:06,887 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 7 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 04:54:06,891 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 3 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 04:54:06,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-19 04:54:06,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-19 04:54:06,894 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) [2023-11-19 04:54:06,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-19 04:54:06,895 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2023-11-19 04:54:06,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:54:06,898 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 04:54:06,898 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 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) [2023-11-19 04:54:06,898 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-19 04:54:06,898 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 04:54:06,902 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (4 of 5 remaining) [2023-11-19 04:54:06,902 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (3 of 5 remaining) [2023-11-19 04:54:06,903 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2023-11-19 04:54:06,903 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 5 remaining) [2023-11-19 04:54:06,903 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 5 remaining) [2023-11-19 04:54:06,904 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 04:54:06,906 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-19 04:54:06,915 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-19 04:54:06,915 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 04:54:06,921 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 04:54:06 BasicIcfg [2023-11-19 04:54:06,921 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 04:54:06,922 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:54:06,922 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:54:06,922 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:54:06,923 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:54:00" (3/4) ... [2023-11-19 04:54:06,925 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 04:54:06,931 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2023-11-19 04:54:06,941 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-11-19 04:54:06,942 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-19 04:54:06,942 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 04:54:06,943 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 04:54:07,076 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d5155a1-08ce-4c98-8d16-8cde5b748956/bin/utaipan-verify-t7M7D8N6sZ/witness.graphml [2023-11-19 04:54:07,076 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d5155a1-08ce-4c98-8d16-8cde5b748956/bin/utaipan-verify-t7M7D8N6sZ/witness.yml [2023-11-19 04:54:07,077 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:54:07,078 INFO L158 Benchmark]: Toolchain (without parser) took 8203.14ms. Allocated memory was 159.4MB in the beginning and 213.9MB in the end (delta: 54.5MB). Free memory was 128.1MB in the beginning and 153.5MB in the end (delta: -25.4MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-19 04:54:07,078 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory was 76.1MB in the beginning and 76.0MB in the end (delta: 83.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:54:07,079 INFO L158 Benchmark]: CACSL2BoogieTranslator took 783.92ms. Allocated memory is still 159.4MB. Free memory was 127.8MB in the beginning and 108.8MB in the end (delta: 19.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 04:54:07,080 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.65ms. Allocated memory is still 159.4MB. Free memory was 108.8MB in the beginning and 106.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:54:07,080 INFO L158 Benchmark]: Boogie Preprocessor took 53.21ms. Allocated memory is still 159.4MB. Free memory was 106.6MB in the beginning and 105.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:54:07,081 INFO L158 Benchmark]: RCFGBuilder took 556.70ms. Allocated memory is still 159.4MB. Free memory was 105.2MB in the beginning and 91.4MB in the end (delta: 13.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 04:54:07,082 INFO L158 Benchmark]: TraceAbstraction took 6547.27ms. Allocated memory was 159.4MB in the beginning and 213.9MB in the end (delta: 54.5MB). Free memory was 90.6MB in the beginning and 158.7MB in the end (delta: -68.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:54:07,082 INFO L158 Benchmark]: Witness Printer took 155.33ms. Allocated memory is still 213.9MB. Free memory was 157.7MB in the beginning and 153.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 04:54:07,085 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory was 76.1MB in the beginning and 76.0MB in the end (delta: 83.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 783.92ms. Allocated memory is still 159.4MB. Free memory was 127.8MB in the beginning and 108.8MB in the end (delta: 19.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.65ms. Allocated memory is still 159.4MB. Free memory was 108.8MB in the beginning and 106.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.21ms. Allocated memory is still 159.4MB. Free memory was 106.6MB in the beginning and 105.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 556.70ms. Allocated memory is still 159.4MB. Free memory was 105.2MB in the beginning and 91.4MB in the end (delta: 13.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 6547.27ms. Allocated memory was 159.4MB in the beginning and 213.9MB in the end (delta: 54.5MB). Free memory was 90.6MB in the beginning and 158.7MB in the end (delta: -68.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 155.33ms. Allocated memory is still 213.9MB. Free memory was 157.7MB in the beginning and 153.5MB 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: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.4s, 93 PlacesBefore, 30 PlacesAfterwards, 92 TransitionsBefore, 28 TransitionsAfterwards, 1290 CoEnabledTransitionPairs, 7 FixpointIterations, 31 TrivialSequentialCompositions, 37 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 10 ConcurrentYvCompositions, 1 ChoiceCompositions, 79 TotalNumberOfCompositions, 4447 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1768, independent: 1479, independent conditional: 0, independent unconditional: 1479, dependent: 289, dependent conditional: 0, dependent unconditional: 289, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 871, independent: 812, independent conditional: 0, independent unconditional: 812, dependent: 59, dependent conditional: 0, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 871, independent: 772, independent conditional: 0, independent unconditional: 772, dependent: 99, dependent conditional: 0, dependent unconditional: 99, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 99, independent: 40, independent conditional: 0, independent unconditional: 40, dependent: 59, dependent conditional: 0, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 341, independent: 92, independent conditional: 0, independent unconditional: 92, dependent: 249, dependent conditional: 0, dependent unconditional: 249, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1768, independent: 667, independent conditional: 0, independent unconditional: 667, dependent: 230, dependent conditional: 0, dependent unconditional: 230, unknown: 871, unknown conditional: 0, unknown unconditional: 871] , Statistics on independence cache: Total cache size (in pairs): 140, Positive cache size: 105, Positive conditional cache size: 0, Positive unconditional cache size: 105, Negative cache size: 35, Negative conditional cache size: 0, Negative unconditional cache size: 35, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - 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: 705]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 701]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 688]: 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, 107 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 6.4s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.6s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 39 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 39 mSDsluCounter, 41 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 162 IncrementalHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 32 mSDtfsCounter, 162 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=134occurred in iteration=0, InterpolantAutomatonStates: 13, 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, 10 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 26 ConstructedInterpolants, 0 QuantifiedInterpolants, 78 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! [2023-11-19 04:54:07,137 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d5155a1-08ce-4c98-8d16-8cde5b748956/bin/utaipan-verify-t7M7D8N6sZ/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