./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/05-lval_ls_03-fld_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 5e519f3a 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_c6c813c1-465c-4088-827e-962e6b1046d2/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c813c1-465c-4088-827e-962e6b1046d2/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c813c1-465c-4088-827e-962e6b1046d2/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c813c1-465c-4088-827e-962e6b1046d2/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/05-lval_ls_03-fld_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c813c1-465c-4088-827e-962e6b1046d2/bin/utaipan-7li7fVZpFI/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c813c1-465c-4088-827e-962e6b1046d2/bin/utaipan-7li7fVZpFI --witnessprinter.witness.filename witness.graphml --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 ea1691da3b3ead7461cda0fc9c55e22acbd0265310a771538fdc0f048d539edf --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 03:49:21,026 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 03:49:21,028 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 03:49:21,080 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 03:49:21,085 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 03:49:21,087 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 03:49:21,089 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 03:49:21,094 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 03:49:21,098 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 03:49:21,100 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 03:49:21,101 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 03:49:21,102 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 03:49:21,104 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 03:49:21,108 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 03:49:21,109 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 03:49:21,111 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 03:49:21,113 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 03:49:21,119 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 03:49:21,120 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 03:49:21,122 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 03:49:21,128 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 03:49:21,130 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 03:49:21,131 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 03:49:21,133 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 03:49:21,136 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 03:49:21,143 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 03:49:21,143 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 03:49:21,144 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 03:49:21,146 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 03:49:21,147 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 03:49:21,148 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 03:49:21,149 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 03:49:21,151 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 03:49:21,156 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 03:49:21,157 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 03:49:21,158 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 03:49:21,159 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 03:49:21,159 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 03:49:21,160 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 03:49:21,161 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 03:49:21,161 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 03:49:21,162 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c813c1-465c-4088-827e-962e6b1046d2/bin/utaipan-7li7fVZpFI/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-03 03:49:21,199 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 03:49:21,203 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 03:49:21,204 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 03:49:21,204 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 03:49:21,205 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 03:49:21,205 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 03:49:21,205 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 03:49:21,206 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 03:49:21,206 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 03:49:21,206 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 03:49:21,207 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 03:49:21,207 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 03:49:21,208 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 03:49:21,208 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 03:49:21,208 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 03:49:21,208 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 03:49:21,209 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 03:49:21,209 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 03:49:21,210 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 03:49:21,210 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 03:49:21,210 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-03 03:49:21,210 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 03:49:21,211 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 03:49:21,212 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 03:49:21,213 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 03:49:21,213 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 03:49:21,213 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 03:49:21,213 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-03 03:49:21,214 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 03:49:21,214 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 03:49:21,214 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 03:49:21,214 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 03:49:21,215 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 03:49:21,216 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 03:49:21,216 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:49:21,216 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 03:49:21,216 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 03:49:21,217 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 03:49:21,217 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 03:49:21,217 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 03:49:21,217 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 03:49:21,217 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 03:49:21,218 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 03:49:21,218 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_c6c813c1-465c-4088-827e-962e6b1046d2/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c813c1-465c-4088-827e-962e6b1046d2/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea1691da3b3ead7461cda0fc9c55e22acbd0265310a771538fdc0f048d539edf [2022-11-03 03:49:21,506 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 03:49:21,533 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 03:49:21,536 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 03:49:21,538 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 03:49:21,539 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 03:49:21,541 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c813c1-465c-4088-827e-962e6b1046d2/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/goblint-regression/05-lval_ls_03-fld_rc.i [2022-11-03 03:49:21,633 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c813c1-465c-4088-827e-962e6b1046d2/bin/utaipan-7li7fVZpFI/data/b3ce24ba9/b359c90a1f0e4371a05d70e71431b0aa/FLAGcfb39efaa [2022-11-03 03:49:22,279 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 03:49:22,280 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c813c1-465c-4088-827e-962e6b1046d2/sv-benchmarks/c/goblint-regression/05-lval_ls_03-fld_rc.i [2022-11-03 03:49:22,297 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c813c1-465c-4088-827e-962e6b1046d2/bin/utaipan-7li7fVZpFI/data/b3ce24ba9/b359c90a1f0e4371a05d70e71431b0aa/FLAGcfb39efaa [2022-11-03 03:49:22,579 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c813c1-465c-4088-827e-962e6b1046d2/bin/utaipan-7li7fVZpFI/data/b3ce24ba9/b359c90a1f0e4371a05d70e71431b0aa [2022-11-03 03:49:22,584 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 03:49:22,586 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 03:49:22,592 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 03:49:22,592 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 03:49:22,596 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 03:49:22,597 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:49:22" (1/1) ... [2022-11-03 03:49:22,599 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d7f57ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:49:22, skipping insertion in model container [2022-11-03 03:49:22,599 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:49:22" (1/1) ... [2022-11-03 03:49:22,610 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 03:49:22,673 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 03:49:23,097 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:49:23,111 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 03:49:23,167 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:49:23,200 INFO L208 MainTranslator]: Completed translation [2022-11-03 03:49:23,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:49:23 WrapperNode [2022-11-03 03:49:23,201 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 03:49:23,202 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 03:49:23,202 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 03:49:23,202 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 03:49:23,211 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:49:23" (1/1) ... [2022-11-03 03:49:23,226 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:49:23" (1/1) ... [2022-11-03 03:49:23,247 INFO L138 Inliner]: procedures = 162, calls = 20, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 45 [2022-11-03 03:49:23,248 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 03:49:23,248 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 03:49:23,249 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 03:49:23,249 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 03:49:23,258 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:49:23" (1/1) ... [2022-11-03 03:49:23,258 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:49:23" (1/1) ... [2022-11-03 03:49:23,261 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:49:23" (1/1) ... [2022-11-03 03:49:23,261 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:49:23" (1/1) ... [2022-11-03 03:49:23,267 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:49:23" (1/1) ... [2022-11-03 03:49:23,268 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:49:23" (1/1) ... [2022-11-03 03:49:23,269 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:49:23" (1/1) ... [2022-11-03 03:49:23,271 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:49:23" (1/1) ... [2022-11-03 03:49:23,273 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 03:49:23,274 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 03:49:23,274 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 03:49:23,274 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 03:49:23,275 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:49:23" (1/1) ... [2022-11-03 03:49:23,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:49:23,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c813c1-465c-4088-827e-962e6b1046d2/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:49:23,322 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c813c1-465c-4088-827e-962e6b1046d2/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 03:49:23,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c813c1-465c-4088-827e-962e6b1046d2/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 03:49:23,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 03:49:23,383 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-03 03:49:23,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 03:49:23,384 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 03:49:23,384 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-03 03:49:23,384 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-03 03:49:23,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 03:49:23,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 03:49:23,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 03:49:23,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 03:49:23,386 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-03 03:49:23,535 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 03:49:23,539 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 03:49:23,787 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 03:49:23,794 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 03:49:23,794 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-03 03:49:23,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:49:23 BoogieIcfgContainer [2022-11-03 03:49:23,797 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 03:49:23,799 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 03:49:23,815 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 03:49:23,819 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 03:49:23,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 03:49:22" (1/3) ... [2022-11-03 03:49:23,820 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@688d961 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:49:23, skipping insertion in model container [2022-11-03 03:49:23,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:49:23" (2/3) ... [2022-11-03 03:49:23,821 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@688d961 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:49:23, skipping insertion in model container [2022-11-03 03:49:23,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:49:23" (3/3) ... [2022-11-03 03:49:23,822 INFO L112 eAbstractionObserver]: Analyzing ICFG 05-lval_ls_03-fld_rc.i [2022-11-03 03:49:23,848 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-03 03:49:23,859 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 03:49:23,860 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-03 03:49:23,860 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-03 03:49:23,926 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-03 03:49:23,991 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-03 03:49:24,015 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 72 places, 68 transitions, 141 flow [2022-11-03 03:49:24,025 INFO L112 LiptonReduction]: Starting Lipton reduction on Petri net that has 72 places, 68 transitions, 141 flow [2022-11-03 03:49:24,027 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 72 places, 68 transitions, 141 flow [2022-11-03 03:49:24,106 INFO L130 PetriNetUnfolder]: 0/67 cut-off events. [2022-11-03 03:49:24,106 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-03 03:49:24,109 INFO L83 FinitePrefix]: Finished finitePrefix Result has 71 conditions, 67 events. 0/67 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 41 event pairs, 0 based on Foata normal form. 0/63 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2022-11-03 03:49:24,114 INFO L118 LiptonReduction]: Number of co-enabled transitions 748 [2022-11-03 03:49:26,686 INFO L133 LiptonReduction]: Checked pairs total: 1994 [2022-11-03 03:49:26,686 INFO L135 LiptonReduction]: Total number of compositions: 49 [2022-11-03 03:49:26,696 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 23 places, 19 transitions, 43 flow [2022-11-03 03:49:26,714 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 82 states, 74 states have (on average 1.945945945945946) internal successors, (144), 81 states have internal predecessors, (144), 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) [2022-11-03 03:49:26,733 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 03:49:26,741 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=LoopsAndPotentialCycles, 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;@58b63da4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 03:49:26,741 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-11-03 03:49:26,743 INFO L276 IsEmpty]: Start isEmpty. Operand has 82 states, 74 states have (on average 1.945945945945946) internal successors, (144), 81 states have internal predecessors, (144), 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) [2022-11-03 03:49:26,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-03 03:49:26,749 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:49:26,750 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-03 03:49:26,750 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-03 03:49:26,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:49:26,756 INFO L85 PathProgramCache]: Analyzing trace with hash 7124901, now seen corresponding path program 1 times [2022-11-03 03:49:26,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:49:26,766 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869853044] [2022-11-03 03:49:26,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:49:26,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:49:26,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:49:26,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:49:26,955 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:49:26,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869853044] [2022-11-03 03:49:26,956 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [869853044] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:49:26,957 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:49:26,957 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-03 03:49:26,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358257056] [2022-11-03 03:49:26,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:49:26,963 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:49:26,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:49:26,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:49:26,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:49:26,990 INFO L87 Difference]: Start difference. First operand has 82 states, 74 states have (on average 1.945945945945946) internal successors, (144), 81 states have internal predecessors, (144), 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 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2022-11-03 03:49:27,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:49:27,046 INFO L93 Difference]: Finished difference Result 95 states and 162 transitions. [2022-11-03 03:49:27,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:49:27,049 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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 4 [2022-11-03 03:49:27,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:49:27,061 INFO L225 Difference]: With dead ends: 95 [2022-11-03 03:49:27,061 INFO L226 Difference]: Without dead ends: 95 [2022-11-03 03:49:27,062 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 [2022-11-03 03:49:27,066 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 10 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 03:49:27,067 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 12 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 03:49:27,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2022-11-03 03:49:27,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 77. [2022-11-03 03:49:27,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 70 states have (on average 1.8857142857142857) internal successors, (132), 76 states have internal predecessors, (132), 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) [2022-11-03 03:49:27,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 132 transitions. [2022-11-03 03:49:27,111 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 132 transitions. Word has length 4 [2022-11-03 03:49:27,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:49:27,112 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 132 transitions. [2022-11-03 03:49:27,112 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2022-11-03 03:49:27,113 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 132 transitions. [2022-11-03 03:49:27,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-03 03:49:27,113 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:49:27,114 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:49:27,114 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 03:49:27,114 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-03 03:49:27,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:49:27,115 INFO L85 PathProgramCache]: Analyzing trace with hash 111095507, now seen corresponding path program 1 times [2022-11-03 03:49:27,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:49:27,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354448658] [2022-11-03 03:49:27,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:49:27,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:49:27,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:49:27,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:49:27,186 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:49:27,187 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354448658] [2022-11-03 03:49:27,187 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [354448658] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:49:27,187 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:49:27,188 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-03 03:49:27,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891850339] [2022-11-03 03:49:27,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:49:27,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:49:27,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:49:27,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:49:27,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:49:27,191 INFO L87 Difference]: Start difference. First operand 77 states and 132 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2022-11-03 03:49:27,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:49:27,226 INFO L93 Difference]: Finished difference Result 80 states and 136 transitions. [2022-11-03 03:49:27,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:49:27,227 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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 8 [2022-11-03 03:49:27,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:49:27,228 INFO L225 Difference]: With dead ends: 80 [2022-11-03 03:49:27,228 INFO L226 Difference]: Without dead ends: 74 [2022-11-03 03:49:27,228 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 [2022-11-03 03:49:27,229 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 6 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 03:49:27,230 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 15 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 03:49:27,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2022-11-03 03:49:27,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2022-11-03 03:49:27,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 68 states have (on average 1.8235294117647058) internal successors, (124), 73 states have internal predecessors, (124), 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) [2022-11-03 03:49:27,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 124 transitions. [2022-11-03 03:49:27,238 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 124 transitions. Word has length 8 [2022-11-03 03:49:27,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:49:27,239 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 124 transitions. [2022-11-03 03:49:27,239 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2022-11-03 03:49:27,239 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 124 transitions. [2022-11-03 03:49:27,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-03 03:49:27,240 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:49:27,240 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:49:27,240 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 03:49:27,241 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-03 03:49:27,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:49:27,241 INFO L85 PathProgramCache]: Analyzing trace with hash 296711616, now seen corresponding path program 1 times [2022-11-03 03:49:27,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:49:27,242 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830233936] [2022-11-03 03:49:27,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:49:27,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:49:27,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:49:27,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:49:27,293 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:49:27,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830233936] [2022-11-03 03:49:27,294 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830233936] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:49:27,294 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:49:27,294 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-03 03:49:27,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292727117] [2022-11-03 03:49:27,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:49:27,295 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:49:27,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:49:27,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:49:27,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:49:27,296 INFO L87 Difference]: Start difference. First operand 74 states and 124 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2022-11-03 03:49:27,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:49:27,327 INFO L93 Difference]: Finished difference Result 73 states and 117 transitions. [2022-11-03 03:49:27,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:49:27,328 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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 8 [2022-11-03 03:49:27,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:49:27,329 INFO L225 Difference]: With dead ends: 73 [2022-11-03 03:49:27,329 INFO L226 Difference]: Without dead ends: 67 [2022-11-03 03:49:27,330 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 [2022-11-03 03:49:27,331 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 6 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 03:49:27,331 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 15 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 03:49:27,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2022-11-03 03:49:27,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2022-11-03 03:49:27,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 63 states have (on average 1.619047619047619) internal successors, (102), 66 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:49:27,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 102 transitions. [2022-11-03 03:49:27,338 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 102 transitions. Word has length 8 [2022-11-03 03:49:27,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:49:27,339 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 102 transitions. [2022-11-03 03:49:27,339 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2022-11-03 03:49:27,339 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 102 transitions. [2022-11-03 03:49:27,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-03 03:49:27,340 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:49:27,340 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:49:27,340 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 03:49:27,341 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-03 03:49:27,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:49:27,341 INFO L85 PathProgramCache]: Analyzing trace with hash -851005038, now seen corresponding path program 1 times [2022-11-03 03:49:27,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:49:27,342 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117990055] [2022-11-03 03:49:27,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:49:27,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:49:27,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-03 03:49:27,366 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-03 03:49:27,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-03 03:49:27,421 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-03 03:49:27,421 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-03 03:49:27,423 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2022-11-03 03:49:27,425 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2022-11-03 03:49:27,425 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (4 of 7 remaining) [2022-11-03 03:49:27,425 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 7 remaining) [2022-11-03 03:49:27,425 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2022-11-03 03:49:27,426 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2022-11-03 03:49:27,426 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2022-11-03 03:49:27,426 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 03:49:27,429 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-03 03:49:27,445 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-03 03:49:27,445 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-03 03:49:27,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 03:49:27 BasicIcfg [2022-11-03 03:49:27,486 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-03 03:49:27,487 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-03 03:49:27,487 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-03 03:49:27,487 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-03 03:49:27,488 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:49:23" (3/4) ... [2022-11-03 03:49:27,491 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-03 03:49:27,491 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-03 03:49:27,491 INFO L158 Benchmark]: Toolchain (without parser) took 4905.89ms. Allocated memory was 144.7MB in the beginning and 182.5MB in the end (delta: 37.7MB). Free memory was 111.5MB in the beginning and 102.0MB in the end (delta: 9.5MB). Peak memory consumption was 46.7MB. Max. memory is 16.1GB. [2022-11-03 03:49:27,492 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 96.5MB. Free memory was 50.5MB in the beginning and 50.4MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 03:49:27,492 INFO L158 Benchmark]: CACSL2BoogieTranslator took 609.67ms. Allocated memory is still 144.7MB. Free memory was 111.5MB in the beginning and 112.0MB in the end (delta: -507.2kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-03 03:49:27,493 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.83ms. Allocated memory is still 144.7MB. Free memory was 112.0MB in the beginning and 110.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 03:49:27,493 INFO L158 Benchmark]: Boogie Preprocessor took 24.44ms. Allocated memory is still 144.7MB. Free memory was 110.0MB in the beginning and 108.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 03:49:27,493 INFO L158 Benchmark]: RCFGBuilder took 523.11ms. Allocated memory is still 144.7MB. Free memory was 108.4MB in the beginning and 96.4MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-03 03:49:27,494 INFO L158 Benchmark]: TraceAbstraction took 3687.44ms. Allocated memory was 144.7MB in the beginning and 182.5MB in the end (delta: 37.7MB). Free memory was 95.9MB in the beginning and 102.0MB in the end (delta: -6.2MB). Peak memory consumption was 32.7MB. Max. memory is 16.1GB. [2022-11-03 03:49:27,494 INFO L158 Benchmark]: Witness Printer took 3.83ms. Allocated memory is still 182.5MB. Free memory is still 102.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 03:49:27,503 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 96.5MB. Free memory was 50.5MB in the beginning and 50.4MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 609.67ms. Allocated memory is still 144.7MB. Free memory was 111.5MB in the beginning and 112.0MB in the end (delta: -507.2kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.83ms. Allocated memory is still 144.7MB. Free memory was 112.0MB in the beginning and 110.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.44ms. Allocated memory is still 144.7MB. Free memory was 110.0MB in the beginning and 108.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 523.11ms. Allocated memory is still 144.7MB. Free memory was 108.4MB in the beginning and 96.4MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 3687.44ms. Allocated memory was 144.7MB in the beginning and 182.5MB in the end (delta: 37.7MB). Free memory was 95.9MB in the beginning and 102.0MB in the end (delta: -6.2MB). Peak memory consumption was 32.7MB. Max. memory is 16.1GB. * Witness Printer took 3.83ms. Allocated memory is still 182.5MB. Free memory is still 102.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.7s, 72 PlacesBefore, 23 PlacesAfterwards, 68 TransitionsBefore, 19 TransitionsAfterwards, 748 CoEnabledTransitionPairs, 6 FixpointIterations, 26 TrivialSequentialCompositions, 23 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 49 TotalNumberOfCompositions, 1994 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 918, positive: 753, positive conditional: 0, positive unconditional: 753, negative: 165, negative conditional: 0, negative unconditional: 165, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 488, positive: 456, positive conditional: 0, positive unconditional: 456, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 488, positive: 438, positive conditional: 0, positive unconditional: 438, negative: 50, negative conditional: 0, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 50, positive: 18, positive conditional: 0, positive unconditional: 18, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 130, positive: 61, positive conditional: 0, positive unconditional: 61, negative: 69, negative conditional: 0, negative unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 918, positive: 297, positive conditional: 0, positive unconditional: 297, negative: 133, negative conditional: 0, negative unconditional: 133, unknown: 488, unknown conditional: 0, unknown unconditional: 488] , Statistics on independence cache: Total cache size (in pairs): 75, Positive cache size: 54, Positive conditional cache size: 0, Positive unconditional cache size: 54, Negative cache size: 21, Negative conditional cache size: 0, Negative unconditional cache size: 21 - 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: 686]: Data race detected Data race detected The following path leads to a data race: [L679] 0 int glob; [L680-L683] 0 struct { pthread_mutex_t x; pthread_mutex_t y; } m; [L693] 0 pthread_t id; [L694] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, glob=0, id={2:0}, m={1:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L686] 1 glob++ VAL [arg={0:0}, arg={0:0}, glob=1, glob++=0, glob++=49, m={1:0}] [L696] 0 glob++ VAL [arg={0:0}, arg={0:0}, glob=1, glob++=0, glob++=49, id={2:0}, m={1:0}] [L686] 1 glob++ VAL [arg={0:0}, arg={0:0}, glob=1, glob++=0, glob++=49, m={1:0}] Now there is a data race on ~glob~0 between C: glob++ [696] and C: glob++ [686] - UnprovableResult [Line: 696]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 696]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 694]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 686]: 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, 88 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 3.4s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.7s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 22 mSDsluCounter, 42 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 16 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 84 IncrementalHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 30 mSDtfsCounter, 84 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=82occurred in iteration=0, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 18 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 29 NumberOfCodeBlocks, 29 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 23 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 could not prove your program: unable to determine feasibility of some traces [2022-11-03 03:49:27,565 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6c813c1-465c-4088-827e-962e6b1046d2/bin/utaipan-7li7fVZpFI/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