./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/05-lval_ls_07-glob_fld_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e545c778-5ecf-41e3-b8cf-db4123129b55/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e545c778-5ecf-41e3-b8cf-db4123129b55/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e545c778-5ecf-41e3-b8cf-db4123129b55/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e545c778-5ecf-41e3-b8cf-db4123129b55/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/05-lval_ls_07-glob_fld_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e545c778-5ecf-41e3-b8cf-db4123129b55/bin/utaipan-TEXQjIfE4P/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e545c778-5ecf-41e3-b8cf-db4123129b55/bin/utaipan-TEXQjIfE4P --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 4b10301f6f97c5435769d7b19a9e50d6b7ee8e52c2dd24af35f51d042843ff4c --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 01:31:34,131 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 01:31:34,133 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 01:31:34,170 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 01:31:34,171 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 01:31:34,176 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 01:31:34,178 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 01:31:34,183 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 01:31:34,185 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 01:31:34,188 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 01:31:34,193 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 01:31:34,195 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 01:31:34,195 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 01:31:34,198 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 01:31:34,201 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 01:31:34,208 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 01:31:34,210 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 01:31:34,211 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 01:31:34,213 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 01:31:34,215 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 01:31:34,217 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 01:31:34,219 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 01:31:34,222 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 01:31:34,223 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 01:31:34,234 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 01:31:34,234 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 01:31:34,235 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 01:31:34,236 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 01:31:34,237 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 01:31:34,238 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 01:31:34,238 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 01:31:34,239 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 01:31:34,239 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 01:31:34,240 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 01:31:34,241 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 01:31:34,241 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 01:31:34,242 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 01:31:34,242 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 01:31:34,242 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 01:31:34,243 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 01:31:34,244 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 01:31:34,245 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e545c778-5ecf-41e3-b8cf-db4123129b55/bin/utaipan-TEXQjIfE4P/config/svcomp-DataRace-32bit-Taipan_Default.epf [2021-11-21 01:31:34,278 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 01:31:34,279 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 01:31:34,279 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 01:31:34,286 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 01:31:34,286 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 01:31:34,287 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 01:31:34,287 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 01:31:34,288 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 01:31:34,288 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 01:31:34,288 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 01:31:34,289 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 01:31:34,289 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 01:31:34,290 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 01:31:34,290 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 01:31:34,290 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 01:31:34,290 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 01:31:34,290 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 01:31:34,291 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 01:31:34,291 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 01:31:34,292 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 01:31:34,292 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 01:31:34,292 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 01:31:34,292 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 01:31:34,293 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 01:31:34,293 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 01:31:34,293 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 01:31:34,293 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 01:31:34,293 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2021-11-21 01:31:34,294 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 01:31:34,294 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 01:31:34,294 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 01:31:34,294 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 01:31:34,295 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 01:31:34,295 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 01:31:34,295 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:31:34,295 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 01:31:34,296 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 01:31:34,296 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 01:31:34,296 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 01:31:34,296 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 01:31:34,297 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 01:31:34,297 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 01:31:34,297 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 01:31:34,298 INFO L138 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_e545c778-5ecf-41e3-b8cf-db4123129b55/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e545c778-5ecf-41e3-b8cf-db4123129b55/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b10301f6f97c5435769d7b19a9e50d6b7ee8e52c2dd24af35f51d042843ff4c [2021-11-21 01:31:34,550 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 01:31:34,570 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 01:31:34,573 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 01:31:34,574 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 01:31:34,574 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 01:31:34,576 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e545c778-5ecf-41e3-b8cf-db4123129b55/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/goblint-regression/05-lval_ls_07-glob_fld_rc.i [2021-11-21 01:31:34,635 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e545c778-5ecf-41e3-b8cf-db4123129b55/bin/utaipan-TEXQjIfE4P/data/2ee7de9ec/1316ee81d64f4d829026f3399e5f743c/FLAGaa57e541c [2021-11-21 01:31:35,163 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 01:31:35,167 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e545c778-5ecf-41e3-b8cf-db4123129b55/sv-benchmarks/c/goblint-regression/05-lval_ls_07-glob_fld_rc.i [2021-11-21 01:31:35,182 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e545c778-5ecf-41e3-b8cf-db4123129b55/bin/utaipan-TEXQjIfE4P/data/2ee7de9ec/1316ee81d64f4d829026f3399e5f743c/FLAGaa57e541c [2021-11-21 01:31:35,648 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e545c778-5ecf-41e3-b8cf-db4123129b55/bin/utaipan-TEXQjIfE4P/data/2ee7de9ec/1316ee81d64f4d829026f3399e5f743c [2021-11-21 01:31:35,650 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 01:31:35,652 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 01:31:35,655 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 01:31:35,656 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 01:31:35,670 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 01:31:35,671 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:31:35" (1/1) ... [2021-11-21 01:31:35,672 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46ccce33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:31:35, skipping insertion in model container [2021-11-21 01:31:35,672 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:31:35" (1/1) ... [2021-11-21 01:31:35,679 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 01:31:35,733 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 01:31:36,075 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:31:36,087 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 01:31:36,151 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:31:36,199 INFO L208 MainTranslator]: Completed translation [2021-11-21 01:31:36,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:31:36 WrapperNode [2021-11-21 01:31:36,200 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 01:31:36,201 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 01:31:36,201 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 01:31:36,202 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 01:31:36,209 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:31:36" (1/1) ... [2021-11-21 01:31:36,239 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:31:36" (1/1) ... [2021-11-21 01:31:36,267 INFO L137 Inliner]: procedures = 161, calls = 14, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 39 [2021-11-21 01:31:36,268 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 01:31:36,269 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 01:31:36,269 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 01:31:36,270 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 01:31:36,278 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:31:36" (1/1) ... [2021-11-21 01:31:36,278 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:31:36" (1/1) ... [2021-11-21 01:31:36,291 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:31:36" (1/1) ... [2021-11-21 01:31:36,291 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:31:36" (1/1) ... [2021-11-21 01:31:36,305 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:31:36" (1/1) ... [2021-11-21 01:31:36,312 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:31:36" (1/1) ... [2021-11-21 01:31:36,315 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:31:36" (1/1) ... [2021-11-21 01:31:36,322 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 01:31:36,329 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 01:31:36,329 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 01:31:36,330 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 01:31:36,331 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:31:36" (1/1) ... [2021-11-21 01:31:36,338 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:31:36,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e545c778-5ecf-41e3-b8cf-db4123129b55/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:31:36,361 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e545c778-5ecf-41e3-b8cf-db4123129b55/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 01:31:36,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e545c778-5ecf-41e3-b8cf-db4123129b55/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 01:31:36,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 01:31:36,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 01:31:36,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 01:31:36,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 01:31:36,412 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-11-21 01:31:36,412 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-11-21 01:31:36,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 01:31:36,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 01:31:36,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 01:31:36,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 01:31:36,414 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-21 01:31:36,544 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 01:31:36,546 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 01:31:36,790 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 01:31:36,797 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 01:31:36,797 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-21 01:31:36,799 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:31:36 BoogieIcfgContainer [2021-11-21 01:31:36,799 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 01:31:36,800 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 01:31:36,800 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 01:31:36,805 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 01:31:36,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 01:31:35" (1/3) ... [2021-11-21 01:31:36,806 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c905853 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:31:36, skipping insertion in model container [2021-11-21 01:31:36,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:31:36" (2/3) ... [2021-11-21 01:31:36,806 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c905853 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:31:36, skipping insertion in model container [2021-11-21 01:31:36,807 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:31:36" (3/3) ... [2021-11-21 01:31:36,808 INFO L111 eAbstractionObserver]: Analyzing ICFG 05-lval_ls_07-glob_fld_rc.i [2021-11-21 01:31:36,815 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-21 01:31:36,816 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 01:31:36,816 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-11-21 01:31:36,816 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-21 01:31:36,852 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:31:36,852 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:31:36,853 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:31:36,853 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:31:36,853 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:31:36,853 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:31:36,854 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:31:36,854 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:31:36,855 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:31:36,855 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:31:36,856 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:31:36,856 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:31:36,856 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:31:36,856 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:31:36,857 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:31:36,857 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:31:36,858 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:31:36,858 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:31:36,858 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:31:36,859 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:31:36,859 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:31:36,859 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:31:36,859 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:31:36,861 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:31:36,864 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:31:36,865 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:31:36,865 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:31:36,865 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:31:36,867 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:31:36,867 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:31:36,868 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:31:36,868 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:31:36,868 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:31:36,868 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:31:36,869 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:31:36,869 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:31:36,869 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:31:36,869 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:31:36,869 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:31:36,869 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:31:36,877 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:31:36,878 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:31:36,878 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:31:36,879 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:31:36,879 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:31:36,879 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:31:36,879 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 01:31:36,883 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-21 01:31:36,938 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 01:31:36,951 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-21 01:31:36,951 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-11-21 01:31:36,967 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-11-21 01:31:36,981 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 71 places, 67 transitions, 139 flow [2021-11-21 01:31:36,988 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 71 places, 67 transitions, 139 flow [2021-11-21 01:31:36,989 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 71 places, 67 transitions, 139 flow [2021-11-21 01:31:37,027 INFO L129 PetriNetUnfolder]: 0/66 cut-off events. [2021-11-21 01:31:37,027 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-21 01:31:37,029 INFO L84 FinitePrefix]: Finished finitePrefix Result has 70 conditions, 66 events. 0/66 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 54 event pairs, 0 based on Foata normal form. 0/62 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2021-11-21 01:31:37,031 INFO L116 LiptonReduction]: Number of co-enabled transitions 1188 [2021-11-21 01:31:38,741 INFO L131 LiptonReduction]: Checked pairs total: 5451 [2021-11-21 01:31:38,741 INFO L133 LiptonReduction]: Total number of compositions: 36 [2021-11-21 01:31:38,752 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 35 places, 31 transitions, 67 flow [2021-11-21 01:31:38,772 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 226 states, 218 states have (on average 1.926605504587156) internal successors, (420), 225 states have internal predecessors, (420), 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) [2021-11-21 01:31:38,776 INFO L276 IsEmpty]: Start isEmpty. Operand has 226 states, 218 states have (on average 1.926605504587156) internal successors, (420), 225 states have internal predecessors, (420), 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) [2021-11-21 01:31:38,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 01:31:38,781 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:31:38,782 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:31:38,782 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-21 01:31:38,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:31:38,788 INFO L85 PathProgramCache]: Analyzing trace with hash -1807170297, now seen corresponding path program 1 times [2021-11-21 01:31:38,797 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:31:38,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620137681] [2021-11-21 01:31:38,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:31:38,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:31:38,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:31:39,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:31:39,096 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:31:39,097 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620137681] [2021-11-21 01:31:39,100 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620137681] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:31:39,101 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:31:39,101 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-21 01:31:39,103 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686044217] [2021-11-21 01:31:39,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:31:39,108 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-21 01:31:39,108 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:31:39,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-21 01:31:39,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-21 01:31:39,145 INFO L87 Difference]: Start difference. First operand has 226 states, 218 states have (on average 1.926605504587156) internal successors, (420), 225 states have internal predecessors, (420), 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 6 states, 5 states have (on average 1.6) internal successors, (8), 6 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) [2021-11-21 01:31:39,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:31:39,466 INFO L93 Difference]: Finished difference Result 383 states and 712 transitions. [2021-11-21 01:31:39,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-21 01:31:39,468 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.6) internal successors, (8), 6 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 [2021-11-21 01:31:39,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:31:39,484 INFO L225 Difference]: With dead ends: 383 [2021-11-21 01:31:39,484 INFO L226 Difference]: Without dead ends: 383 [2021-11-21 01:31:39,485 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-21 01:31:39,488 INFO L933 BasicCegarLoop]: 12 mSDtfsCounter, 40 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 216 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-21 01:31:39,489 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [40 Valid, 12 Invalid, 270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 216 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-21 01:31:39,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2021-11-21 01:31:39,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 275. [2021-11-21 01:31:39,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 268 states have (on average 1.9477611940298507) internal successors, (522), 274 states have internal predecessors, (522), 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) [2021-11-21 01:31:39,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 522 transitions. [2021-11-21 01:31:39,552 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 522 transitions. Word has length 8 [2021-11-21 01:31:39,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:31:39,552 INFO L470 AbstractCegarLoop]: Abstraction has 275 states and 522 transitions. [2021-11-21 01:31:39,553 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.6) internal successors, (8), 6 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) [2021-11-21 01:31:39,553 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 522 transitions. [2021-11-21 01:31:39,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-21 01:31:39,554 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:31:39,555 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:31:39,555 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-21 01:31:39,555 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-21 01:31:39,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:31:39,556 INFO L85 PathProgramCache]: Analyzing trace with hash -1115511105, now seen corresponding path program 1 times [2021-11-21 01:31:39,556 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:31:39,557 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128427660] [2021-11-21 01:31:39,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:31:39,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:31:39,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:31:39,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:31:39,678 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:31:39,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128427660] [2021-11-21 01:31:39,679 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128427660] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:31:39,679 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:31:39,679 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-21 01:31:39,680 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621050661] [2021-11-21 01:31:39,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:31:39,681 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-21 01:31:39,681 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:31:39,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-21 01:31:39,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-21 01:31:39,682 INFO L87 Difference]: Start difference. First operand 275 states and 522 transitions. Second operand has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 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) [2021-11-21 01:31:39,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:31:39,914 INFO L93 Difference]: Finished difference Result 377 states and 708 transitions. [2021-11-21 01:31:39,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-21 01:31:39,914 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 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 14 [2021-11-21 01:31:39,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:31:39,917 INFO L225 Difference]: With dead ends: 377 [2021-11-21 01:31:39,918 INFO L226 Difference]: Without dead ends: 362 [2021-11-21 01:31:39,918 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-21 01:31:39,919 INFO L933 BasicCegarLoop]: 16 mSDtfsCounter, 20 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-21 01:31:39,920 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 16 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-21 01:31:39,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2021-11-21 01:31:39,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 313. [2021-11-21 01:31:39,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 306 states have (on average 1.9379084967320261) internal successors, (593), 312 states have internal predecessors, (593), 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) [2021-11-21 01:31:39,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 593 transitions. [2021-11-21 01:31:39,963 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 593 transitions. Word has length 14 [2021-11-21 01:31:39,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:31:39,963 INFO L470 AbstractCegarLoop]: Abstraction has 313 states and 593 transitions. [2021-11-21 01:31:39,964 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 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) [2021-11-21 01:31:39,964 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 593 transitions. [2021-11-21 01:31:39,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-21 01:31:39,969 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:31:39,969 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:31:39,969 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-21 01:31:39,969 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-21 01:31:39,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:31:39,970 INFO L85 PathProgramCache]: Analyzing trace with hash -1999994065, now seen corresponding path program 1 times [2021-11-21 01:31:39,970 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:31:39,971 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969125727] [2021-11-21 01:31:39,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:31:39,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:31:40,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:31:40,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:31:40,147 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:31:40,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969125727] [2021-11-21 01:31:40,148 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969125727] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:31:40,148 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:31:40,148 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-21 01:31:40,148 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755410637] [2021-11-21 01:31:40,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:31:40,149 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-21 01:31:40,149 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:31:40,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-21 01:31:40,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-21 01:31:40,150 INFO L87 Difference]: Start difference. First operand 313 states and 593 transitions. Second operand has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 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) [2021-11-21 01:31:40,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:31:40,376 INFO L93 Difference]: Finished difference Result 397 states and 735 transitions. [2021-11-21 01:31:40,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-21 01:31:40,377 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 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 14 [2021-11-21 01:31:40,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:31:40,380 INFO L225 Difference]: With dead ends: 397 [2021-11-21 01:31:40,380 INFO L226 Difference]: Without dead ends: 382 [2021-11-21 01:31:40,380 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-21 01:31:40,381 INFO L933 BasicCegarLoop]: 16 mSDtfsCounter, 20 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 204 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-21 01:31:40,382 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 16 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 204 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-21 01:31:40,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2021-11-21 01:31:40,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 333. [2021-11-21 01:31:40,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 333 states, 326 states have (on average 1.8957055214723926) internal successors, (618), 332 states have internal predecessors, (618), 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) [2021-11-21 01:31:40,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 618 transitions. [2021-11-21 01:31:40,398 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 618 transitions. Word has length 14 [2021-11-21 01:31:40,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:31:40,398 INFO L470 AbstractCegarLoop]: Abstraction has 333 states and 618 transitions. [2021-11-21 01:31:40,398 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 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) [2021-11-21 01:31:40,399 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 618 transitions. [2021-11-21 01:31:40,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 01:31:40,400 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:31:40,400 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:31:40,400 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-21 01:31:40,401 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-21 01:31:40,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:31:40,401 INFO L85 PathProgramCache]: Analyzing trace with hash 1735751524, now seen corresponding path program 1 times [2021-11-21 01:31:40,402 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:31:40,402 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190591570] [2021-11-21 01:31:40,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:31:40,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:31:40,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-21 01:31:40,423 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-21 01:31:40,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-21 01:31:40,480 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-21 01:31:40,480 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-21 01:31:40,481 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2021-11-21 01:31:40,486 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2021-11-21 01:31:40,486 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 7 remaining) [2021-11-21 01:31:40,488 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2021-11-21 01:31:40,488 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2021-11-21 01:31:40,488 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2021-11-21 01:31:40,489 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2021-11-21 01:31:40,489 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-21 01:31:40,499 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2021-11-21 01:31:40,505 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-21 01:31:40,505 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-21 01:31:40,549 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 01:31:40 BasicIcfg [2021-11-21 01:31:40,549 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-21 01:31:40,550 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-21 01:31:40,550 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-21 01:31:40,551 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-21 01:31:40,551 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:31:36" (3/4) ... [2021-11-21 01:31:40,554 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-21 01:31:40,554 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-21 01:31:40,557 INFO L158 Benchmark]: Toolchain (without parser) took 4902.55ms. Allocated memory was 119.5MB in the beginning and 151.0MB in the end (delta: 31.5MB). Free memory was 78.4MB in the beginning and 107.2MB in the end (delta: -28.8MB). Peak memory consumption was 2.2MB. Max. memory is 16.1GB. [2021-11-21 01:31:40,558 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 119.5MB. Free memory is still 96.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 01:31:40,558 INFO L158 Benchmark]: CACSL2BoogieTranslator took 544.67ms. Allocated memory is still 119.5MB. Free memory was 78.1MB in the beginning and 85.5MB in the end (delta: -7.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-21 01:31:40,558 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.84ms. Allocated memory is still 119.5MB. Free memory was 85.5MB in the beginning and 83.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 01:31:40,559 INFO L158 Benchmark]: Boogie Preprocessor took 59.63ms. Allocated memory is still 119.5MB. Free memory was 83.5MB in the beginning and 82.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 01:31:40,559 INFO L158 Benchmark]: RCFGBuilder took 469.69ms. Allocated memory is still 119.5MB. Free memory was 81.8MB in the beginning and 70.2MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-21 01:31:40,559 INFO L158 Benchmark]: TraceAbstraction took 3748.86ms. Allocated memory was 119.5MB in the beginning and 151.0MB in the end (delta: 31.5MB). Free memory was 69.8MB in the beginning and 107.2MB in the end (delta: -37.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 01:31:40,560 INFO L158 Benchmark]: Witness Printer took 3.70ms. Allocated memory is still 151.0MB. Free memory is still 107.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 01:31:40,563 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 119.5MB. Free memory is still 96.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 544.67ms. Allocated memory is still 119.5MB. Free memory was 78.1MB in the beginning and 85.5MB in the end (delta: -7.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.84ms. Allocated memory is still 119.5MB. Free memory was 85.5MB in the beginning and 83.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.63ms. Allocated memory is still 119.5MB. Free memory was 83.5MB in the beginning and 82.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 469.69ms. Allocated memory is still 119.5MB. Free memory was 81.8MB in the beginning and 70.2MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 3748.86ms. Allocated memory was 119.5MB in the beginning and 151.0MB in the end (delta: 31.5MB). Free memory was 69.8MB in the beginning and 107.2MB in the end (delta: -37.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.70ms. Allocated memory is still 151.0MB. Free memory is still 107.2MB. 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: 1.8s, 71 PlacesBefore, 35 PlacesAfterwards, 67 TransitionsBefore, 31 TransitionsAfterwards, 1188 CoEnabledTransitionPairs, 5 FixpointIterations, 15 TrivialSequentialCompositions, 21 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 36 TotalNumberOfCompositions, 5451 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1736, positive: 1437, positive conditional: 0, positive unconditional: 1437, negative: 299, negative conditional: 0, negative unconditional: 299, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 711, positive: 639, positive conditional: 0, positive unconditional: 639, negative: 72, negative conditional: 0, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 711, positive: 560, positive conditional: 0, positive unconditional: 560, negative: 151, negative conditional: 0, negative unconditional: 151, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 151, positive: 79, positive conditional: 0, positive unconditional: 79, negative: 72, negative conditional: 0, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 396, positive: 226, positive conditional: 0, positive unconditional: 226, negative: 170, negative conditional: 0, negative unconditional: 170, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1736, positive: 798, positive conditional: 0, positive unconditional: 798, negative: 227, negative conditional: 0, negative unconditional: 227, unknown: 711, unknown conditional: 0, unknown unconditional: 711] , Statistics on independence cache: Total cache size (in pairs): 190, Positive cache size: 133, Positive conditional cache size: 0, Positive unconditional cache size: 133, Negative cache size: 57, Negative conditional cache size: 0, Negative unconditional cache size: 57 - 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: 690]: Data race detected Data race detected The following path leads to a data race: [L679-L682] 0 struct { int x; int y; } data; [L688] 0 pthread_t id; [L689] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, data={1:0}, id={5:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L690] EXPR 0 data.x VAL [arg={0:0}, data={1:0}, data.x=0, id={5:0}] [L690] 0 data.x++ VAL [arg={0:0}, data={1:0}, data.x=0, data.x++=9, data.x++=0, id={5:0}] [L684] EXPR 1 data.x VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=1] [L684] 1 data.x++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=1] [L690] 0 data.x++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=1, data.x=0, data.x++=9, data.x++=0, id={5:0}] Now there is a data race, but we were unable to determine exactly which statements and variables are involved. There could be a race between one of the statements * C: data.x++ [690] * C: data.x++ [690] * C: data.x++ [690] * C: data.x++ [684] * C: data.x++ [690] and C: data.x++ [690] - UnprovableResult [Line: 690]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 689]: 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: 684]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 684]: 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, 92 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 3.6s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.8s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 80 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 80 mSDsluCounter, 44 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 105 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 616 IncrementalHoareTripleChecker+Invalid, 721 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 105 mSolverCounterUnsat, 44 mSDtfsCounter, 616 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=333occurred in iteration=3, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 206 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 52 NumberOfCodeBlocks, 52 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 33 ConstructedInterpolants, 0 QuantifiedInterpolants, 366 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 [2021-11-21 01:31:40,634 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e545c778-5ecf-41e3-b8cf-db4123129b55/bin/utaipan-TEXQjIfE4P/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