./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_24-sound_lock.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_71ce8b08-cf2f-4890-a3d8-b8fb4ed72da0/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ce8b08-cf2f-4890-a3d8-b8fb4ed72da0/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_71ce8b08-cf2f-4890-a3d8-b8fb4ed72da0/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ce8b08-cf2f-4890-a3d8-b8fb4ed72da0/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_24-sound_lock.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ce8b08-cf2f-4890-a3d8-b8fb4ed72da0/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_71ce8b08-cf2f-4890-a3d8-b8fb4ed72da0/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 120b8e17ecc05129f7277c5998da40ba955c11083c7096c2093845469caad913 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:10:34,718 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:10:34,813 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ce8b08-cf2f-4890-a3d8-b8fb4ed72da0/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-DataRace-32bit-Taipan_Default.epf [2023-11-19 04:10:34,819 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:10:34,820 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:10:34,846 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:10:34,846 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:10:34,847 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:10:34,848 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:10:34,849 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:10:34,849 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:10:34,850 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:10:34,850 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:10:34,851 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:10:34,852 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:10:34,852 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:10:34,853 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:10:34,854 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:10:34,854 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:10:34,855 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:10:34,855 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:10:34,856 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:10:34,857 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:10:34,858 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:10:34,858 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:10:34,858 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:10:34,859 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:10:34,859 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:10:34,860 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:10:34,860 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:10:34,861 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:10:34,861 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-19 04:10:34,862 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:10:34,862 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:10:34,862 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:10:34,863 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:10:34,863 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:10:34,863 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:10:34,864 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:10:34,864 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:10:34,864 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:10:34,865 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:10:34,865 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:10:34,865 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:10:34,866 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:10:34,866 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:10:34,866 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:10:34,866 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_71ce8b08-cf2f-4890-a3d8-b8fb4ed72da0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ce8b08-cf2f-4890-a3d8-b8fb4ed72da0/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 120b8e17ecc05129f7277c5998da40ba955c11083c7096c2093845469caad913 [2023-11-19 04:10:35,217 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:10:35,266 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:10:35,269 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:10:35,284 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:10:35,284 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:10:35,286 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ce8b08-cf2f-4890-a3d8-b8fb4ed72da0/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/goblint-regression/04-mutex_24-sound_lock.i [2023-11-19 04:10:38,619 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:10:38,957 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:10:38,958 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ce8b08-cf2f-4890-a3d8-b8fb4ed72da0/sv-benchmarks/c/goblint-regression/04-mutex_24-sound_lock.i [2023-11-19 04:10:39,024 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ce8b08-cf2f-4890-a3d8-b8fb4ed72da0/bin/utaipan-verify-t7M7D8N6sZ/data/4ad25c9c5/05c55441f0b84623875c064abcba9a53/FLAG44db2a3a1 [2023-11-19 04:10:39,039 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ce8b08-cf2f-4890-a3d8-b8fb4ed72da0/bin/utaipan-verify-t7M7D8N6sZ/data/4ad25c9c5/05c55441f0b84623875c064abcba9a53 [2023-11-19 04:10:39,042 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:10:39,043 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:10:39,046 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:10:39,048 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:10:39,055 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:10:39,056 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:10:39" (1/1) ... [2023-11-19 04:10:39,057 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40398d71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:10:39, skipping insertion in model container [2023-11-19 04:10:39,057 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:10:39" (1/1) ... [2023-11-19 04:10:39,131 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:10:39,733 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:10:39,753 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:10:39,817 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:10:39,922 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:10:39,923 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:10:39 WrapperNode [2023-11-19 04:10:39,923 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:10:39,924 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:10:39,925 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:10:39,925 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:10:39,934 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:10:39" (1/1) ... [2023-11-19 04:10:39,967 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:10:39" (1/1) ... [2023-11-19 04:10:40,019 INFO L138 Inliner]: procedures = 263, calls = 22, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 57 [2023-11-19 04:10:40,020 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:10:40,021 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:10:40,021 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:10:40,022 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:10:40,033 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:10:39" (1/1) ... [2023-11-19 04:10:40,033 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:10:39" (1/1) ... [2023-11-19 04:10:40,050 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:10:39" (1/1) ... [2023-11-19 04:10:40,051 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:10:39" (1/1) ... [2023-11-19 04:10:40,059 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:10:39" (1/1) ... [2023-11-19 04:10:40,073 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:10:39" (1/1) ... [2023-11-19 04:10:40,079 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:10:39" (1/1) ... [2023-11-19 04:10:40,083 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:10:39" (1/1) ... [2023-11-19 04:10:40,087 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:10:40,088 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:10:40,088 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:10:40,088 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:10:40,090 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:10:39" (1/1) ... [2023-11-19 04:10:40,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:10:40,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ce8b08-cf2f-4890-a3d8-b8fb4ed72da0/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:10:40,141 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ce8b08-cf2f-4890-a3d8-b8fb4ed72da0/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:10:40,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ce8b08-cf2f-4890-a3d8-b8fb4ed72da0/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:10:40,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:10:40,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:10:40,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:10:40,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:10:40,205 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-19 04:10:40,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:10:40,206 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-19 04:10:40,208 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-19 04:10:40,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:10:40,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:10:40,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:10:40,212 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 04:10:40,418 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:10:40,421 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:10:40,738 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:10:40,749 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:10:40,749 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 04:10:40,754 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:10:40 BoogieIcfgContainer [2023-11-19 04:10:40,756 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:10:40,759 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:10:40,759 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:10:40,770 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:10:40,770 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:10:39" (1/3) ... [2023-11-19 04:10:40,771 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e819a75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:10:40, skipping insertion in model container [2023-11-19 04:10:40,772 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:10:39" (2/3) ... [2023-11-19 04:10:40,773 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e819a75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:10:40, skipping insertion in model container [2023-11-19 04:10:40,774 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:10:40" (3/3) ... [2023-11-19 04:10:40,776 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_24-sound_lock.i [2023-11-19 04:10:40,784 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-19 04:10:40,795 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:10:40,796 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2023-11-19 04:10:40,796 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-19 04:10:40,862 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-11-19 04:10:40,920 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-11-19 04:10:40,952 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 80 places, 77 transitions, 161 flow [2023-11-19 04:10:40,959 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 80 places, 77 transitions, 161 flow [2023-11-19 04:10:40,961 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 80 places, 77 transitions, 161 flow [2023-11-19 04:10:41,022 INFO L124 PetriNetUnfolderBase]: 1/76 cut-off events. [2023-11-19 04:10:41,023 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-19 04:10:41,029 INFO L83 FinitePrefix]: Finished finitePrefix Result has 81 conditions, 76 events. 1/76 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 41 event pairs, 0 based on Foata normal form. 0/70 useless extension candidates. Maximal degree in co-relation 31. Up to 2 conditions per place. [2023-11-19 04:10:41,031 INFO L119 LiptonReduction]: Number of co-enabled transitions 630 [2023-11-19 04:10:45,690 INFO L134 LiptonReduction]: Checked pairs total: 2786 [2023-11-19 04:10:45,691 INFO L136 LiptonReduction]: Total number of compositions: 68 [2023-11-19 04:10:45,702 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 26 places, 22 transitions, 51 flow [2023-11-19 04:10:45,727 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 90 states, 78 states have (on average 2.0384615384615383) internal successors, (159), 89 states have internal predecessors, (159), 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 04:10:45,750 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:10:45,759 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;@29ebcc88, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:10:45,760 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-11-19 04:10:45,763 INFO L276 IsEmpty]: Start isEmpty. Operand has 90 states, 78 states have (on average 2.0384615384615383) internal successors, (159), 89 states have internal predecessors, (159), 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 04:10:45,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 04:10:45,770 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:10:45,771 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2023-11-19 04:10:45,772 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-19 04:10:45,779 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:10:45,779 INFO L85 PathProgramCache]: Analyzing trace with hash 267029, now seen corresponding path program 1 times [2023-11-19 04:10:45,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:10:45,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395997079] [2023-11-19 04:10:45,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:10:45,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:10:45,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:10:46,028 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 04:10:46,029 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:10:46,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395997079] [2023-11-19 04:10:46,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1395997079] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:10:46,031 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:10:46,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-19 04:10:46,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643231878] [2023-11-19 04:10:46,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:10:46,038 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 04:10:46,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:10:46,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 04:10:46,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 04:10:46,076 INFO L87 Difference]: Start difference. First operand has 90 states, 78 states have (on average 2.0384615384615383) internal successors, (159), 89 states have internal predecessors, (159), 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 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 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 04:10:46,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:10:46,140 INFO L93 Difference]: Finished difference Result 81 states and 142 transitions. [2023-11-19 04:10:46,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 04:10:46,144 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 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 3 [2023-11-19 04:10:46,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:10:46,160 INFO L225 Difference]: With dead ends: 81 [2023-11-19 04:10:46,160 INFO L226 Difference]: Without dead ends: 79 [2023-11-19 04:10:46,162 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 04:10:46,172 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 04:10:46,174 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 8 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 04:10:46,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2023-11-19 04:10:46,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2023-11-19 04:10:46,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 71 states have (on average 1.943661971830986) internal successors, (138), 78 states have internal predecessors, (138), 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 04:10:46,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 138 transitions. [2023-11-19 04:10:46,257 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 138 transitions. Word has length 3 [2023-11-19 04:10:46,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:10:46,259 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 138 transitions. [2023-11-19 04:10:46,263 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 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 04:10:46,265 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 138 transitions. [2023-11-19 04:10:46,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 04:10:46,267 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:10:46,267 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-11-19 04:10:46,268 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 04:10:46,268 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-19 04:10:46,269 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:10:46,270 INFO L85 PathProgramCache]: Analyzing trace with hash 256573057, now seen corresponding path program 1 times [2023-11-19 04:10:46,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:10:46,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136197538] [2023-11-19 04:10:46,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:10:46,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:10:46,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:10:46,458 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 04:10:46,458 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:10:46,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136197538] [2023-11-19 04:10:46,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1136197538] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:10:46,459 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:10:46,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:10:46,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390242541] [2023-11-19 04:10:46,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:10:46,461 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:10:46,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:10:46,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:10:46,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:10:46,464 INFO L87 Difference]: Start difference. First operand 79 states and 138 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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 04:10:46,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:10:46,549 INFO L93 Difference]: Finished difference Result 86 states and 148 transitions. [2023-11-19 04:10:46,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:10:46,550 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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 5 [2023-11-19 04:10:46,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:10:46,563 INFO L225 Difference]: With dead ends: 86 [2023-11-19 04:10:46,563 INFO L226 Difference]: Without dead ends: 86 [2023-11-19 04:10:46,564 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 04:10:46,566 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 10 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 04:10:46,567 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 9 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 04:10:46,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2023-11-19 04:10:46,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 78. [2023-11-19 04:10:46,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 71 states have (on average 1.8873239436619718) internal successors, (134), 77 states have internal predecessors, (134), 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 04:10:46,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 134 transitions. [2023-11-19 04:10:46,606 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 134 transitions. Word has length 5 [2023-11-19 04:10:46,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:10:46,607 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 134 transitions. [2023-11-19 04:10:46,608 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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 04:10:46,609 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 134 transitions. [2023-11-19 04:10:46,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 04:10:46,610 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:10:46,610 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:10:46,610 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 04:10:46,611 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-19 04:10:46,611 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:10:46,612 INFO L85 PathProgramCache]: Analyzing trace with hash 1753620463, now seen corresponding path program 1 times [2023-11-19 04:10:46,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:10:46,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333972802] [2023-11-19 04:10:46,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:10:46,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:10:46,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:10:46,723 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 04:10:46,723 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:10:46,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333972802] [2023-11-19 04:10:46,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333972802] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:10:46,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:10:46,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:10:46,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787317594] [2023-11-19 04:10:46,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:10:46,726 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:10:46,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:10:46,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:10:46,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:10:46,727 INFO L87 Difference]: Start difference. First operand 78 states and 134 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 04:10:46,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:10:46,782 INFO L93 Difference]: Finished difference Result 83 states and 140 transitions. [2023-11-19 04:10:46,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:10:46,783 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 04:10:46,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:10:46,784 INFO L225 Difference]: With dead ends: 83 [2023-11-19 04:10:46,784 INFO L226 Difference]: Without dead ends: 73 [2023-11-19 04:10:46,785 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 04:10:46,786 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 7 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 04:10:46,787 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 8 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 04:10:46,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2023-11-19 04:10:46,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 69. [2023-11-19 04:10:46,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 63 states have (on average 1.7936507936507937) internal successors, (113), 68 states have internal predecessors, (113), 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 04:10:46,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 113 transitions. [2023-11-19 04:10:46,795 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 113 transitions. Word has length 7 [2023-11-19 04:10:46,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:10:46,795 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 113 transitions. [2023-11-19 04:10:46,796 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 04:10:46,796 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 113 transitions. [2023-11-19 04:10:46,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 04:10:46,796 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:10:46,797 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:10:46,797 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 04:10:46,797 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)] === [2023-11-19 04:10:46,798 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:10:46,798 INFO L85 PathProgramCache]: Analyzing trace with hash 1774172784, now seen corresponding path program 1 times [2023-11-19 04:10:46,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:10:46,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384201857] [2023-11-19 04:10:46,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:10:46,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:10:46,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:10:46,839 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 04:10:46,839 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:10:46,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384201857] [2023-11-19 04:10:46,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [384201857] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:10:46,840 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:10:46,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:10:46,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319577781] [2023-11-19 04:10:46,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:10:46,841 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:10:46,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:10:46,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:10:46,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:10:46,842 INFO L87 Difference]: Start difference. First operand 69 states and 113 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 04:10:46,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:10:46,879 INFO L93 Difference]: Finished difference Result 66 states and 103 transitions. [2023-11-19 04:10:46,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:10:46,880 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 04:10:46,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:10:46,881 INFO L225 Difference]: With dead ends: 66 [2023-11-19 04:10:46,881 INFO L226 Difference]: Without dead ends: 56 [2023-11-19 04:10:46,881 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 04:10:46,882 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 6 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 04:10:46,883 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 8 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 04:10:46,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2023-11-19 04:10:46,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2023-11-19 04:10:46,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 52 states have (on average 1.5769230769230769) internal successors, (82), 55 states have internal predecessors, (82), 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 04:10:46,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 82 transitions. [2023-11-19 04:10:46,888 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 82 transitions. Word has length 7 [2023-11-19 04:10:46,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:10:46,889 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 82 transitions. [2023-11-19 04:10:46,889 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 04:10:46,889 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 82 transitions. [2023-11-19 04:10:46,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 04:10:46,890 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:10:46,890 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:10:46,890 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 04:10:46,890 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-19 04:10:46,891 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:10:46,891 INFO L85 PathProgramCache]: Analyzing trace with hash 1610645475, now seen corresponding path program 1 times [2023-11-19 04:10:46,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:10:46,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780447941] [2023-11-19 04:10:46,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:10:46,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:10:46,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:10:46,934 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:10:46,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:10:46,989 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 04:10:46,990 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 04:10:46,991 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (7 of 8 remaining) [2023-11-19 04:10:46,993 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining) [2023-11-19 04:10:46,994 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining) [2023-11-19 04:10:46,994 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (4 of 8 remaining) [2023-11-19 04:10:46,994 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 8 remaining) [2023-11-19 04:10:46,995 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining) [2023-11-19 04:10:46,995 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining) [2023-11-19 04:10:46,995 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining) [2023-11-19 04:10:46,996 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-19 04:10:46,999 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-19 04:10:47,005 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-19 04:10:47,006 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 04:10:47,027 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre33 could not be translated [2023-11-19 04:10:47,029 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet36 could not be translated [2023-11-19 04:10:47,038 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 04:10:47 BasicIcfg [2023-11-19 04:10:47,038 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 04:10:47,039 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:10:47,039 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:10:47,039 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:10:47,040 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:10:40" (3/4) ... [2023-11-19 04:10:47,042 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 04:10:47,044 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:10:47,045 INFO L158 Benchmark]: Toolchain (without parser) took 8001.37ms. Allocated memory was 182.5MB in the beginning and 220.2MB in the end (delta: 37.7MB). Free memory was 152.9MB in the beginning and 183.1MB in the end (delta: -30.2MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. [2023-11-19 04:10:47,045 INFO L158 Benchmark]: CDTParser took 15.07ms. Allocated memory is still 134.2MB. Free memory is still 107.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:10:47,046 INFO L158 Benchmark]: CACSL2BoogieTranslator took 877.43ms. Allocated memory is still 182.5MB. Free memory was 152.7MB in the beginning and 126.4MB in the end (delta: 26.3MB). Peak memory consumption was 29.7MB. Max. memory is 16.1GB. [2023-11-19 04:10:47,046 INFO L158 Benchmark]: Boogie Procedure Inliner took 95.84ms. Allocated memory is still 182.5MB. Free memory was 126.4MB in the beginning and 124.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:10:47,047 INFO L158 Benchmark]: Boogie Preprocessor took 66.05ms. Allocated memory is still 182.5MB. Free memory was 124.3MB in the beginning and 122.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:10:47,047 INFO L158 Benchmark]: RCFGBuilder took 667.89ms. Allocated memory is still 182.5MB. Free memory was 122.2MB in the beginning and 145.2MB in the end (delta: -22.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 04:10:47,048 INFO L158 Benchmark]: TraceAbstraction took 6279.52ms. Allocated memory was 182.5MB in the beginning and 220.2MB in the end (delta: 37.7MB). Free memory was 145.2MB in the beginning and 184.1MB in the end (delta: -39.0MB). Peak memory consumption was 129.8MB. Max. memory is 16.1GB. [2023-11-19 04:10:47,049 INFO L158 Benchmark]: Witness Printer took 5.31ms. Allocated memory is still 220.2MB. Free memory is still 183.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:10:47,052 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 15.07ms. Allocated memory is still 134.2MB. Free memory is still 107.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 877.43ms. Allocated memory is still 182.5MB. Free memory was 152.7MB in the beginning and 126.4MB in the end (delta: 26.3MB). Peak memory consumption was 29.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 95.84ms. Allocated memory is still 182.5MB. Free memory was 126.4MB in the beginning and 124.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.05ms. Allocated memory is still 182.5MB. Free memory was 124.3MB in the beginning and 122.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 667.89ms. Allocated memory is still 182.5MB. Free memory was 122.2MB in the beginning and 145.2MB in the end (delta: -22.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 6279.52ms. Allocated memory was 182.5MB in the beginning and 220.2MB in the end (delta: 37.7MB). Free memory was 145.2MB in the beginning and 184.1MB in the end (delta: -39.0MB). Peak memory consumption was 129.8MB. Max. memory is 16.1GB. * Witness Printer took 5.31ms. Allocated memory is still 220.2MB. Free memory is still 183.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~pre33 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet36 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.7s, 80 PlacesBefore, 26 PlacesAfterwards, 77 TransitionsBefore, 22 TransitionsAfterwards, 630 CoEnabledTransitionPairs, 8 FixpointIterations, 39 TrivialSequentialCompositions, 26 ConcurrentSequentialCompositions, 2 TrivialYvCompositions, 0 ConcurrentYvCompositions, 1 ChoiceCompositions, 68 TotalNumberOfCompositions, 2786 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1276, independent: 1023, independent conditional: 0, independent unconditional: 1023, dependent: 253, dependent conditional: 0, dependent unconditional: 253, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 485, independent: 446, independent conditional: 0, independent unconditional: 446, dependent: 39, dependent conditional: 0, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 485, independent: 409, independent conditional: 0, independent unconditional: 409, dependent: 76, dependent conditional: 0, dependent unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 76, independent: 37, independent conditional: 0, independent unconditional: 37, dependent: 39, dependent conditional: 0, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 248, independent: 89, independent conditional: 0, independent unconditional: 89, dependent: 159, dependent conditional: 0, dependent unconditional: 159, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1276, independent: 577, independent conditional: 0, independent unconditional: 577, dependent: 214, dependent conditional: 0, dependent unconditional: 214, unknown: 485, unknown conditional: 0, unknown unconditional: 485] , Statistics on independence cache: Total cache size (in pairs): 91, Positive cache size: 68, Positive conditional cache size: 0, Positive unconditional cache size: 68, Negative cache size: 23, Negative conditional cache size: 0, Negative unconditional cache size: 23, 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 - DataRaceFoundResult [Line: 923]: Data race detected [2023-11-19 04:10:47,071 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre33 could not be translated [2023-11-19 04:10:47,072 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet36 could not be translated [2023-11-19 04:10:47,083 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre33 could not be translated [2023-11-19 04:10:47,084 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet36 could not be translated Data race detected The following path leads to a data race: [L918] 0 int myglobal; [L919] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L920] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L928] 0 int i = __VERIFIER_nondet_int(); [L929] 0 pthread_t id; [L930] 0 pthread_mutex_t *m = &mutex1; [L931] COND TRUE 0 \read(i) [L931] 0 m = &mutex2 [L932] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, i=1, id={3:0}, m={2:0}, mutex1={1:0}, mutex2={2:0}, myglobal=0] [L923] 1 myglobal+1 VAL [arg={0:0}, arg={0:0}, mutex1={1:0}, mutex2={2:0}, myglobal=0] [L934] EXPR 0 myglobal+1 [L934] 0 myglobal=myglobal+1 VAL [arg={0:0}, arg={0:0}, i=1, id={3:0}, m={2:0}, mutex1={1:0}, mutex2={2:0}, myglobal=1] [L923] 1 myglobal+1 VAL [arg={0:0}, arg={0:0}, mutex1={1:0}, mutex2={2:0}, myglobal=1] Now there is a data race on ~myglobal~0 between C: myglobal=myglobal+1 [934] and C: myglobal+1 [923] - UnprovableResult [Line: 934]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 934]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 936]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 932]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 923]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 94 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 6.1s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.8s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 23 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 23 mSDsluCounter, 33 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 114 IncrementalHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 33 mSDtfsCounter, 114 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=90occurred in iteration=0, InterpolantAutomatonStates: 11, 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, 12 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 31 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 24 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 RESULT: Ultimate proved your program to be incorrect! [2023-11-19 04:10:47,124 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71ce8b08-cf2f-4890-a3d8-b8fb4ed72da0/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE