./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_05-lockfuns.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42393b7f-28f7-4df4-99dc-ae2ac73d9253/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42393b7f-28f7-4df4-99dc-ae2ac73d9253/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42393b7f-28f7-4df4-99dc-ae2ac73d9253/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42393b7f-28f7-4df4-99dc-ae2ac73d9253/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_05-lockfuns.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42393b7f-28f7-4df4-99dc-ae2ac73d9253/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42393b7f-28f7-4df4-99dc-ae2ac73d9253/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 26a76453a0148a9083e5ca91fffcb3e5777f05c6718e7fe778e8f06905a5ca02 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:14:58,664 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:14:58,785 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42393b7f-28f7-4df4-99dc-ae2ac73d9253/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-DataRace-32bit-Taipan_Default.epf [2023-11-23 21:14:58,794 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:14:58,795 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:14:58,833 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:14:58,833 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:14:58,834 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:14:58,835 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:14:58,840 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:14:58,841 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:14:58,842 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:14:58,842 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:14:58,844 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:14:58,844 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:14:58,845 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:14:58,845 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:14:58,846 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:14:58,846 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:14:58,847 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:14:58,847 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:14:58,848 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:14:58,849 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:14:58,850 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:14:58,850 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:14:58,851 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:14:58,851 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:14:58,852 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:14:58,852 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:14:58,852 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:14:58,854 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:14:58,854 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-23 21:14:58,854 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 21:14:58,855 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:14:58,855 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:14:58,855 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:14:58,856 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:14:58,856 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:14:58,856 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:14:58,857 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:14:58,857 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:14:58,857 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:14:58,858 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:14:58,858 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:14:58,858 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:14:58,859 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:14:58,859 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:14:58,859 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:14:58,859 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_42393b7f-28f7-4df4-99dc-ae2ac73d9253/bin/utaipan-verify-mE87zJ7Ire/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42393b7f-28f7-4df4-99dc-ae2ac73d9253/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 26a76453a0148a9083e5ca91fffcb3e5777f05c6718e7fe778e8f06905a5ca02 [2023-11-23 21:14:59,169 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:14:59,201 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:14:59,204 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:14:59,206 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:14:59,206 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:14:59,208 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42393b7f-28f7-4df4-99dc-ae2ac73d9253/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/goblint-regression/04-mutex_05-lockfuns.i [2023-11-23 21:15:02,451 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:15:02,759 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:15:02,760 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42393b7f-28f7-4df4-99dc-ae2ac73d9253/sv-benchmarks/c/goblint-regression/04-mutex_05-lockfuns.i [2023-11-23 21:15:02,802 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42393b7f-28f7-4df4-99dc-ae2ac73d9253/bin/utaipan-verify-mE87zJ7Ire/data/cb309b4a2/48f104ad29c24ef08e3440e37f711faf/FLAG7e35c7770 [2023-11-23 21:15:02,821 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42393b7f-28f7-4df4-99dc-ae2ac73d9253/bin/utaipan-verify-mE87zJ7Ire/data/cb309b4a2/48f104ad29c24ef08e3440e37f711faf [2023-11-23 21:15:02,823 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:15:02,825 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:15:02,828 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:15:02,828 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:15:02,840 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:15:02,843 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:15:02" (1/1) ... [2023-11-23 21:15:02,845 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6353880d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:02, skipping insertion in model container [2023-11-23 21:15:02,846 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:15:02" (1/1) ... [2023-11-23 21:15:02,922 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:15:03,467 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:15:03,487 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:15:03,565 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:15:03,646 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:15:03,646 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:03 WrapperNode [2023-11-23 21:15:03,646 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:15:03,648 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:15:03,648 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:15:03,648 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:15:03,657 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:03" (1/1) ... [2023-11-23 21:15:03,690 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:03" (1/1) ... [2023-11-23 21:15:03,738 INFO L138 Inliner]: procedures = 265, calls = 20, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 70 [2023-11-23 21:15:03,738 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:15:03,739 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:15:03,739 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:15:03,740 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:15:03,750 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:03" (1/1) ... [2023-11-23 21:15:03,751 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:03" (1/1) ... [2023-11-23 21:15:03,771 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:03" (1/1) ... [2023-11-23 21:15:03,771 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:03" (1/1) ... [2023-11-23 21:15:03,777 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:03" (1/1) ... [2023-11-23 21:15:03,786 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:03" (1/1) ... [2023-11-23 21:15:03,789 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:03" (1/1) ... [2023-11-23 21:15:03,797 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:03" (1/1) ... [2023-11-23 21:15:03,800 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:15:03,801 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:15:03,804 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:15:03,804 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:15:03,805 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:03" (1/1) ... [2023-11-23 21:15:03,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:15:03,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42393b7f-28f7-4df4-99dc-ae2ac73d9253/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:15:03,844 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42393b7f-28f7-4df4-99dc-ae2ac73d9253/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:15:03,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42393b7f-28f7-4df4-99dc-ae2ac73d9253/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:15:03,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:15:03,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:15:03,895 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-23 21:15:03,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:15:03,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:15:03,896 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-23 21:15:03,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:15:03,898 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-23 21:15:03,899 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-23 21:15:03,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:15:03,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:15:03,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:15:03,901 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-23 21:15:04,065 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:15:04,068 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:15:04,256 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:15:04,283 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:15:04,284 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 21:15:04,285 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:15:04 BoogieIcfgContainer [2023-11-23 21:15:04,286 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:15:04,289 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:15:04,290 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:15:04,293 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:15:04,294 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:15:02" (1/3) ... [2023-11-23 21:15:04,295 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24f5f99c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:15:04, skipping insertion in model container [2023-11-23 21:15:04,295 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:15:03" (2/3) ... [2023-11-23 21:15:04,295 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24f5f99c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:15:04, skipping insertion in model container [2023-11-23 21:15:04,296 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:15:04" (3/3) ... [2023-11-23 21:15:04,297 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_05-lockfuns.i [2023-11-23 21:15:04,307 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-23 21:15:04,320 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:15:04,321 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2023-11-23 21:15:04,321 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-23 21:15:04,377 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-11-23 21:15:04,410 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 80 places, 76 transitions, 159 flow [2023-11-23 21:15:04,499 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 675 states, 664 states have (on average 1.9292168674698795) internal successors, (1281), 674 states have internal predecessors, (1281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:15:04,523 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:15:04,529 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;@37c1a9de, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:15:04,529 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-11-23 21:15:04,535 INFO L276 IsEmpty]: Start isEmpty. Operand has 675 states, 664 states have (on average 1.9292168674698795) internal successors, (1281), 674 states have internal predecessors, (1281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:15:04,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 21:15:04,543 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:15:04,543 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] [2023-11-23 21:15:04,544 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-23 21:15:04,549 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:15:04,550 INFO L85 PathProgramCache]: Analyzing trace with hash 2050329484, now seen corresponding path program 1 times [2023-11-23 21:15:04,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:15:04,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446208848] [2023-11-23 21:15:04,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:15:04,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:15:04,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:15:04,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:15:04,906 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:15:04,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446208848] [2023-11-23 21:15:04,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1446208848] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:15:04,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:15:04,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:15:04,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390077968] [2023-11-23 21:15:04,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:15:04,915 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:15:04,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:15:04,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:15:04,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:15:04,947 INFO L87 Difference]: Start difference. First operand has 675 states, 664 states have (on average 1.9292168674698795) internal successors, (1281), 674 states have internal predecessors, (1281), 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 12.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:15:05,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:15:05,053 INFO L93 Difference]: Finished difference Result 786 states and 1493 transitions. [2023-11-23 21:15:05,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:15:05,055 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 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 24 [2023-11-23 21:15:05,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:15:05,080 INFO L225 Difference]: With dead ends: 786 [2023-11-23 21:15:05,080 INFO L226 Difference]: Without dead ends: 786 [2023-11-23 21:15:05,082 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:15:05,086 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 44 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:15:05,087 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 140 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:15:05,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 786 states. [2023-11-23 21:15:05,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 786 to 678. [2023-11-23 21:15:05,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 678 states, 668 states have (on average 1.9236526946107784) internal successors, (1285), 677 states have internal predecessors, (1285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:15:05,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 678 states and 1285 transitions. [2023-11-23 21:15:05,215 INFO L78 Accepts]: Start accepts. Automaton has 678 states and 1285 transitions. Word has length 24 [2023-11-23 21:15:05,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:15:05,219 INFO L495 AbstractCegarLoop]: Abstraction has 678 states and 1285 transitions. [2023-11-23 21:15:05,219 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:15:05,219 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states and 1285 transitions. [2023-11-23 21:15:05,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 21:15:05,222 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:15:05,222 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] [2023-11-23 21:15:05,222 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:15:05,223 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-23 21:15:05,224 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:15:05,224 INFO L85 PathProgramCache]: Analyzing trace with hash -882756471, now seen corresponding path program 1 times [2023-11-23 21:15:05,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:15:05,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166889171] [2023-11-23 21:15:05,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:15:05,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:15:05,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:15:05,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:15:05,370 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:15:05,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166889171] [2023-11-23 21:15:05,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166889171] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:15:05,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:15:05,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:15:05,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005988762] [2023-11-23 21:15:05,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:15:05,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:15:05,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:15:05,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:15:05,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:15:05,379 INFO L87 Difference]: Start difference. First operand 678 states and 1285 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:15:05,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:15:05,476 INFO L93 Difference]: Finished difference Result 729 states and 1383 transitions. [2023-11-23 21:15:05,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:15:05,477 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 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 29 [2023-11-23 21:15:05,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:15:05,485 INFO L225 Difference]: With dead ends: 729 [2023-11-23 21:15:05,485 INFO L226 Difference]: Without dead ends: 717 [2023-11-23 21:15:05,486 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:15:05,488 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 28 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:15:05,489 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 130 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 21:15:05,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 717 states. [2023-11-23 21:15:05,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 717 to 677. [2023-11-23 21:15:05,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 677 states, 668 states have (on average 1.9176646706586826) internal successors, (1281), 676 states have internal predecessors, (1281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:15:05,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 677 states and 1281 transitions. [2023-11-23 21:15:05,534 INFO L78 Accepts]: Start accepts. Automaton has 677 states and 1281 transitions. Word has length 29 [2023-11-23 21:15:05,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:15:05,535 INFO L495 AbstractCegarLoop]: Abstraction has 677 states and 1281 transitions. [2023-11-23 21:15:05,535 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:15:05,535 INFO L276 IsEmpty]: Start isEmpty. Operand 677 states and 1281 transitions. [2023-11-23 21:15:05,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 21:15:05,537 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:15:05,538 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] [2023-11-23 21:15:05,538 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 21:15:05,538 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-23 21:15:05,539 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:15:05,539 INFO L85 PathProgramCache]: Analyzing trace with hash -135736420, now seen corresponding path program 1 times [2023-11-23 21:15:05,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:15:05,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717840055] [2023-11-23 21:15:05,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:15:05,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:15:05,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:15:05,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:15:05,630 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:15:05,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717840055] [2023-11-23 21:15:05,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717840055] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:15:05,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:15:05,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:15:05,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438076642] [2023-11-23 21:15:05,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:15:05,632 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:15:05,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:15:05,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:15:05,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:15:05,633 INFO L87 Difference]: Start difference. First operand 677 states and 1281 transitions. Second operand has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:15:05,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:15:05,683 INFO L93 Difference]: Finished difference Result 710 states and 1344 transitions. [2023-11-23 21:15:05,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:15:05,683 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 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 30 [2023-11-23 21:15:05,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:15:05,689 INFO L225 Difference]: With dead ends: 710 [2023-11-23 21:15:05,689 INFO L226 Difference]: Without dead ends: 710 [2023-11-23 21:15:05,690 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:15:05,693 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 22 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:15:05,696 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 123 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:15:05,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 710 states. [2023-11-23 21:15:05,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 710 to 680. [2023-11-23 21:15:05,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 680 states, 673 states have (on average 1.910846953937593) internal successors, (1286), 679 states have internal predecessors, (1286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:15:05,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 680 states and 1286 transitions. [2023-11-23 21:15:05,727 INFO L78 Accepts]: Start accepts. Automaton has 680 states and 1286 transitions. Word has length 30 [2023-11-23 21:15:05,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:15:05,728 INFO L495 AbstractCegarLoop]: Abstraction has 680 states and 1286 transitions. [2023-11-23 21:15:05,728 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:15:05,729 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 1286 transitions. [2023-11-23 21:15:05,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-23 21:15:05,732 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:15:05,732 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] [2023-11-23 21:15:05,732 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-23 21:15:05,732 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-23 21:15:05,733 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:15:05,734 INFO L85 PathProgramCache]: Analyzing trace with hash 1572162873, now seen corresponding path program 1 times [2023-11-23 21:15:05,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:15:05,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113887544] [2023-11-23 21:15:05,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:15:05,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:15:05,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:15:05,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:15:05,941 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:15:05,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113887544] [2023-11-23 21:15:05,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2113887544] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:15:05,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:15:05,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:15:05,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174701873] [2023-11-23 21:15:05,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:15:05,942 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:15:05,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:15:05,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:15:05,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:15:05,943 INFO L87 Difference]: Start difference. First operand 680 states and 1286 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:15:05,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:15:05,969 INFO L93 Difference]: Finished difference Result 394 states and 698 transitions. [2023-11-23 21:15:05,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:15:05,970 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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 36 [2023-11-23 21:15:05,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:15:05,973 INFO L225 Difference]: With dead ends: 394 [2023-11-23 21:15:05,973 INFO L226 Difference]: Without dead ends: 394 [2023-11-23 21:15:05,974 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:15:05,975 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 33 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:15:05,976 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 101 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:15:05,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2023-11-23 21:15:05,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 394. [2023-11-23 21:15:05,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394 states, 393 states have (on average 1.7760814249363868) internal successors, (698), 393 states have internal predecessors, (698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:15:05,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 698 transitions. [2023-11-23 21:15:05,992 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 698 transitions. Word has length 36 [2023-11-23 21:15:05,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:15:05,993 INFO L495 AbstractCegarLoop]: Abstraction has 394 states and 698 transitions. [2023-11-23 21:15:05,993 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:15:05,993 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 698 transitions. [2023-11-23 21:15:05,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-23 21:15:05,996 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:15:05,996 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] [2023-11-23 21:15:05,996 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-23 21:15:05,996 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-23 21:15:05,997 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:15:05,997 INFO L85 PathProgramCache]: Analyzing trace with hash -1389822748, now seen corresponding path program 1 times [2023-11-23 21:15:05,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:15:05,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077132733] [2023-11-23 21:15:05,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:15:05,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:15:06,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:15:06,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:15:06,573 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:15:06,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077132733] [2023-11-23 21:15:06,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2077132733] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:15:06,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:15:06,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 21:15:06,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601645086] [2023-11-23 21:15:06,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:15:06,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 21:15:06,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:15:06,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 21:15:06,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-23 21:15:06,576 INFO L87 Difference]: Start difference. First operand 394 states and 698 transitions. Second operand has 6 states, 5 states have (on average 8.4) internal successors, (42), 6 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:15:06,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:15:06,655 INFO L93 Difference]: Finished difference Result 373 states and 657 transitions. [2023-11-23 21:15:06,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 21:15:06,656 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.4) internal successors, (42), 6 states have internal predecessors, (42), 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 42 [2023-11-23 21:15:06,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:15:06,660 INFO L225 Difference]: With dead ends: 373 [2023-11-23 21:15:06,660 INFO L226 Difference]: Without dead ends: 0 [2023-11-23 21:15:06,660 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-23 21:15:06,662 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 80 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:15:06,666 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 245 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 21:15:06,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-23 21:15:06,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-23 21:15:06,669 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) [2023-11-23 21:15:06,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-23 21:15:06,669 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 42 [2023-11-23 21:15:06,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:15:06,670 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-23 21:15:06,670 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.4) internal successors, (42), 6 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:15:06,671 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-23 21:15:06,671 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-23 21:15:06,673 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (7 of 8 remaining) [2023-11-23 21:15:06,676 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining) [2023-11-23 21:15:06,676 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining) [2023-11-23 21:15:06,677 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 8 remaining) [2023-11-23 21:15:06,678 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 8 remaining) [2023-11-23 21:15:06,678 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining) [2023-11-23 21:15:06,678 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining) [2023-11-23 21:15:06,678 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining) [2023-11-23 21:15:06,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-23 21:15:06,682 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-23 21:15:06,688 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-23 21:15:06,688 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:15:06,700 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:15:06 BasicIcfg [2023-11-23 21:15:06,701 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:15:06,705 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:15:06,706 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:15:06,706 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:15:06,707 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:15:04" (3/4) ... [2023-11-23 21:15:06,709 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 21:15:06,714 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2023-11-23 21:15:06,721 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-23 21:15:06,721 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-23 21:15:06,721 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-23 21:15:06,812 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42393b7f-28f7-4df4-99dc-ae2ac73d9253/bin/utaipan-verify-mE87zJ7Ire/witness.graphml [2023-11-23 21:15:06,813 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42393b7f-28f7-4df4-99dc-ae2ac73d9253/bin/utaipan-verify-mE87zJ7Ire/witness.yml [2023-11-23 21:15:06,814 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:15:06,815 INFO L158 Benchmark]: Toolchain (without parser) took 3990.00ms. Allocated memory was 169.9MB in the beginning and 211.8MB in the end (delta: 41.9MB). Free memory was 127.7MB in the beginning and 104.3MB in the end (delta: 23.4MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. [2023-11-23 21:15:06,815 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 169.9MB. Free memory is still 140.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:15:06,816 INFO L158 Benchmark]: CACSL2BoogieTranslator took 819.32ms. Allocated memory is still 169.9MB. Free memory was 127.2MB in the beginning and 99.6MB in the end (delta: 27.6MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-23 21:15:06,816 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.69ms. Allocated memory is still 169.9MB. Free memory was 99.6MB in the beginning and 97.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:15:06,817 INFO L158 Benchmark]: Boogie Preprocessor took 61.36ms. Allocated memory is still 169.9MB. Free memory was 97.1MB in the beginning and 96.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:15:06,817 INFO L158 Benchmark]: RCFGBuilder took 484.82ms. Allocated memory is still 169.9MB. Free memory was 95.5MB in the beginning and 80.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 21:15:06,817 INFO L158 Benchmark]: TraceAbstraction took 2415.02ms. Allocated memory was 169.9MB in the beginning and 211.8MB in the end (delta: 41.9MB). Free memory was 80.3MB in the beginning and 108.5MB in the end (delta: -28.2MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. [2023-11-23 21:15:06,818 INFO L158 Benchmark]: Witness Printer took 109.39ms. Allocated memory is still 211.8MB. Free memory was 108.5MB in the beginning and 104.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:15:06,821 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 169.9MB. Free memory is still 140.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 819.32ms. Allocated memory is still 169.9MB. Free memory was 127.2MB in the beginning and 99.6MB in the end (delta: 27.6MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.69ms. Allocated memory is still 169.9MB. Free memory was 99.6MB in the beginning and 97.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.36ms. Allocated memory is still 169.9MB. Free memory was 97.1MB in the beginning and 96.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 484.82ms. Allocated memory is still 169.9MB. Free memory was 95.5MB in the beginning and 80.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 2415.02ms. Allocated memory was 169.9MB in the beginning and 211.8MB in the end (delta: 41.9MB). Free memory was 80.3MB in the beginning and 108.5MB in the end (delta: -28.2MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. * Witness Printer took 109.39ms. Allocated memory is still 211.8MB. Free memory was 108.5MB in the beginning and 104.3MB 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: 935]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 935]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 937]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 927]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 927]: 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, 101 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 2.3s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 207 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 207 mSDsluCounter, 739 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 292 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 142 IncrementalHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 447 mSDtfsCounter, 142 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=680occurred in iteration=3, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 178 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 161 NumberOfCodeBlocks, 161 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 156 ConstructedInterpolants, 0 QuantifiedInterpolants, 297 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-23 21:15:06,860 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42393b7f-28f7-4df4-99dc-ae2ac73d9253/bin/utaipan-verify-mE87zJ7Ire/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