./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/05-lval_ls_04-fld_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c42ba7-a353-4098-a51f-d5446f2ce5b5/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c42ba7-a353-4098-a51f-d5446f2ce5b5/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c42ba7-a353-4098-a51f-d5446f2ce5b5/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c42ba7-a353-4098-a51f-d5446f2ce5b5/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/05-lval_ls_04-fld_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c42ba7-a353-4098-a51f-d5446f2ce5b5/bin/utaipan-eEHZpOm5b7/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c42ba7-a353-4098-a51f-d5446f2ce5b5/bin/utaipan-eEHZpOm5b7 --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 c5a0c3d921e4198a2449efd49bc5373a4e6a5b0854f91282d4ef920b48af7e3c --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 19:46:42,282 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 19:46:42,284 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 19:46:42,313 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 19:46:42,314 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 19:46:42,315 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 19:46:42,317 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 19:46:42,319 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 19:46:42,321 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 19:46:42,322 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 19:46:42,323 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 19:46:42,324 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 19:46:42,324 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 19:46:42,326 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 19:46:42,327 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 19:46:42,329 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 19:46:42,330 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 19:46:42,331 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 19:46:42,333 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 19:46:42,335 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 19:46:42,337 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 19:46:42,338 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 19:46:42,340 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 19:46:42,341 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 19:46:42,344 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 19:46:42,345 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 19:46:42,345 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 19:46:42,346 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 19:46:42,347 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 19:46:42,348 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 19:46:42,348 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 19:46:42,349 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 19:46:42,350 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 19:46:42,351 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 19:46:42,352 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 19:46:42,353 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 19:46:42,357 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 19:46:42,358 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 19:46:42,358 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 19:46:42,359 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 19:46:42,360 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 19:46:42,361 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c42ba7-a353-4098-a51f-d5446f2ce5b5/bin/utaipan-eEHZpOm5b7/config/svcomp-DataRace-32bit-Taipan_Default.epf [2021-11-25 19:46:42,404 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 19:46:42,405 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 19:46:42,405 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 19:46:42,405 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 19:46:42,406 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 19:46:42,406 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 19:46:42,407 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 19:46:42,407 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 19:46:42,407 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 19:46:42,407 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 19:46:42,408 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 19:46:42,408 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 19:46:42,408 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 19:46:42,409 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 19:46:42,409 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 19:46:42,409 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 19:46:42,409 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 19:46:42,409 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 19:46:42,410 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 19:46:42,410 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 19:46:42,410 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 19:46:42,411 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 19:46:42,411 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 19:46:42,411 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 19:46:42,411 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 19:46:42,411 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 19:46:42,413 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 19:46:42,417 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2021-11-25 19:46:42,418 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 19:46:42,418 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 19:46:42,418 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 19:46:42,418 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 19:46:42,419 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 19:46:42,419 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 19:46:42,419 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:46:42,420 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 19:46:42,420 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 19:46:42,420 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 19:46:42,420 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 19:46:42,420 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 19:46:42,420 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 19:46:42,421 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 19:46:42,421 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 19:46:42,421 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_66c42ba7-a353-4098-a51f-d5446f2ce5b5/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c42ba7-a353-4098-a51f-d5446f2ce5b5/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c5a0c3d921e4198a2449efd49bc5373a4e6a5b0854f91282d4ef920b48af7e3c [2021-11-25 19:46:42,710 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 19:46:42,733 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 19:46:42,736 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 19:46:42,737 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 19:46:42,738 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 19:46:42,739 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c42ba7-a353-4098-a51f-d5446f2ce5b5/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/goblint-regression/05-lval_ls_04-fld_nr.i [2021-11-25 19:46:42,806 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c42ba7-a353-4098-a51f-d5446f2ce5b5/bin/utaipan-eEHZpOm5b7/data/2a0d63d9b/96c8a28e0eec4541b4aca4827703897b/FLAG31be4cb44 [2021-11-25 19:46:43,295 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 19:46:43,296 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c42ba7-a353-4098-a51f-d5446f2ce5b5/sv-benchmarks/c/goblint-regression/05-lval_ls_04-fld_nr.i [2021-11-25 19:46:43,323 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c42ba7-a353-4098-a51f-d5446f2ce5b5/bin/utaipan-eEHZpOm5b7/data/2a0d63d9b/96c8a28e0eec4541b4aca4827703897b/FLAG31be4cb44 [2021-11-25 19:46:43,619 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c42ba7-a353-4098-a51f-d5446f2ce5b5/bin/utaipan-eEHZpOm5b7/data/2a0d63d9b/96c8a28e0eec4541b4aca4827703897b [2021-11-25 19:46:43,622 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 19:46:43,623 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 19:46:43,625 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 19:46:43,625 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 19:46:43,629 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 19:46:43,630 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:46:43" (1/1) ... [2021-11-25 19:46:43,631 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@222758d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:46:43, skipping insertion in model container [2021-11-25 19:46:43,631 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:46:43" (1/1) ... [2021-11-25 19:46:43,639 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 19:46:43,680 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 19:46:44,013 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:46:44,025 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 19:46:44,064 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:46:44,100 INFO L208 MainTranslator]: Completed translation [2021-11-25 19:46:44,100 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:46:44 WrapperNode [2021-11-25 19:46:44,100 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 19:46:44,101 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 19:46:44,101 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 19:46:44,102 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 19:46:44,109 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:46:44" (1/1) ... [2021-11-25 19:46:44,122 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:46:44" (1/1) ... [2021-11-25 19:46:44,142 INFO L137 Inliner]: procedures = 162, calls = 20, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 45 [2021-11-25 19:46:44,142 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 19:46:44,143 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 19:46:44,143 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 19:46:44,143 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 19:46:44,151 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:46:44" (1/1) ... [2021-11-25 19:46:44,151 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:46:44" (1/1) ... [2021-11-25 19:46:44,154 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:46:44" (1/1) ... [2021-11-25 19:46:44,154 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:46:44" (1/1) ... [2021-11-25 19:46:44,160 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:46:44" (1/1) ... [2021-11-25 19:46:44,161 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:46:44" (1/1) ... [2021-11-25 19:46:44,163 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:46:44" (1/1) ... [2021-11-25 19:46:44,165 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 19:46:44,166 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 19:46:44,166 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 19:46:44,166 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 19:46:44,168 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:46:44" (1/1) ... [2021-11-25 19:46:44,179 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:46:44,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c42ba7-a353-4098-a51f-d5446f2ce5b5/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:46:44,217 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c42ba7-a353-4098-a51f-d5446f2ce5b5/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 19:46:44,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c42ba7-a353-4098-a51f-d5446f2ce5b5/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 19:46:44,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 19:46:44,270 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-25 19:46:44,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 19:46:44,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 19:46:44,271 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-11-25 19:46:44,271 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-11-25 19:46:44,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 19:46:44,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 19:46:44,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 19:46:44,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 19:46:44,273 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-25 19:46:44,439 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 19:46:44,440 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 19:46:44,627 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 19:46:44,634 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 19:46:44,634 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-25 19:46:44,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:46:44 BoogieIcfgContainer [2021-11-25 19:46:44,636 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 19:46:44,638 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 19:46:44,638 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 19:46:44,641 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 19:46:44,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 07:46:43" (1/3) ... [2021-11-25 19:46:44,642 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17dd8763 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:46:44, skipping insertion in model container [2021-11-25 19:46:44,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:46:44" (2/3) ... [2021-11-25 19:46:44,643 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17dd8763 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:46:44, skipping insertion in model container [2021-11-25 19:46:44,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:46:44" (3/3) ... [2021-11-25 19:46:44,644 INFO L111 eAbstractionObserver]: Analyzing ICFG 05-lval_ls_04-fld_nr.i [2021-11-25 19:46:44,649 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-25 19:46:44,650 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 19:46:44,650 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-11-25 19:46:44,650 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-25 19:46:44,686 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:46:44,686 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:46:44,687 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:46:44,687 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:46:44,687 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:46:44,688 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:46:44,688 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:46:44,688 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:46:44,689 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:46:44,689 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:46:44,690 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:46:44,690 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:46:44,691 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:46:44,691 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:46:44,691 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:46:44,692 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:46:44,692 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:46:44,693 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:46:44,693 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:46:44,693 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:46:44,694 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:46:44,694 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:46:44,694 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:46:44,695 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:46:44,696 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:46:44,696 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:46:44,696 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:46:44,696 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:46:44,697 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:46:44,697 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:46:44,697 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:46:44,697 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:46:44,702 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:46:44,702 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:46:44,702 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:46:44,702 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:46:44,703 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:46:44,703 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:46:44,703 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 19:46:44,706 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-25 19:46:44,747 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 19:46:44,754 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 [2021-11-25 19:46:44,755 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-11-25 19:46:44,767 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-11-25 19:46:44,779 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 72 places, 68 transitions, 141 flow [2021-11-25 19:46:44,782 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 72 places, 68 transitions, 141 flow [2021-11-25 19:46:44,784 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 72 places, 68 transitions, 141 flow [2021-11-25 19:46:44,822 INFO L129 PetriNetUnfolder]: 0/67 cut-off events. [2021-11-25 19:46:44,822 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-25 19:46:44,824 INFO L84 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. [2021-11-25 19:46:44,826 INFO L116 LiptonReduction]: Number of co-enabled transitions 748 [2021-11-25 19:46:46,892 INFO L131 LiptonReduction]: Checked pairs total: 3048 [2021-11-25 19:46:46,892 INFO L133 LiptonReduction]: Total number of compositions: 45 [2021-11-25 19:46:46,900 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 27 places, 23 transitions, 51 flow [2021-11-25 19:46:46,925 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 119 states, 111 states have (on average 1.927927927927928) internal successors, (214), 118 states have internal predecessors, (214), 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) [2021-11-25 19:46:46,933 INFO L276 IsEmpty]: Start isEmpty. Operand has 119 states, 111 states have (on average 1.927927927927928) internal successors, (214), 118 states have internal predecessors, (214), 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) [2021-11-25 19:46:46,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-25 19:46:46,945 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:46:46,946 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-11-25 19:46:46,947 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-25 19:46:46,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:46:46,952 INFO L85 PathProgramCache]: Analyzing trace with hash 217172283, now seen corresponding path program 1 times [2021-11-25 19:46:46,965 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:46:46,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168324384] [2021-11-25 19:46:46,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:46:46,968 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:46:47,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:46:47,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:46:47,209 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:46:47,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168324384] [2021-11-25 19:46:47,210 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168324384] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:46:47,210 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:46:47,210 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 19:46:47,212 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893568778] [2021-11-25 19:46:47,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:46:47,217 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 19:46:47,219 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:46:47,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 19:46:47,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:46:47,257 INFO L87 Difference]: Start difference. First operand has 119 states, 111 states have (on average 1.927927927927928) internal successors, (214), 118 states have internal predecessors, (214), 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 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:46:47,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:46:47,343 INFO L93 Difference]: Finished difference Result 138 states and 244 transitions. [2021-11-25 19:46:47,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 19:46:47,346 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2021-11-25 19:46:47,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:46:47,360 INFO L225 Difference]: With dead ends: 138 [2021-11-25 19:46:47,360 INFO L226 Difference]: Without dead ends: 138 [2021-11-25 19:46:47,367 INFO L932 BasicCegarLoop]: 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 [2021-11-25 19:46:47,372 INFO L933 BasicCegarLoop]: 10 mSDtfsCounter, 14 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-25 19:46:47,373 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 14 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-25 19:46:47,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2021-11-25 19:46:47,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 114. [2021-11-25 19:46:47,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 107 states have (on average 1.8878504672897196) internal successors, (202), 113 states have internal predecessors, (202), 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) [2021-11-25 19:46:47,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 202 transitions. [2021-11-25 19:46:47,421 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 202 transitions. Word has length 5 [2021-11-25 19:46:47,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:46:47,422 INFO L470 AbstractCegarLoop]: Abstraction has 114 states and 202 transitions. [2021-11-25 19:46:47,422 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:46:47,422 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 202 transitions. [2021-11-25 19:46:47,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-25 19:46:47,423 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:46:47,423 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:46:47,424 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 19:46:47,424 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-25 19:46:47,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:46:47,425 INFO L85 PathProgramCache]: Analyzing trace with hash 1081443658, now seen corresponding path program 1 times [2021-11-25 19:46:47,425 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:46:47,425 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833856541] [2021-11-25 19:46:47,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:46:47,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:46:47,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:46:47,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:46:47,479 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:46:47,479 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833856541] [2021-11-25 19:46:47,479 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833856541] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:46:47,480 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:46:47,480 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 19:46:47,480 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67214089] [2021-11-25 19:46:47,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:46:47,481 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 19:46:47,482 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:46:47,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 19:46:47,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:46:47,483 INFO L87 Difference]: Start difference. First operand 114 states and 202 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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) [2021-11-25 19:46:47,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:46:47,517 INFO L93 Difference]: Finished difference Result 117 states and 205 transitions. [2021-11-25 19:46:47,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 19:46:47,518 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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 9 [2021-11-25 19:46:47,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:46:47,519 INFO L225 Difference]: With dead ends: 117 [2021-11-25 19:46:47,520 INFO L226 Difference]: Without dead ends: 103 [2021-11-25 19:46:47,520 INFO L932 BasicCegarLoop]: 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 [2021-11-25 19:46:47,522 INFO L933 BasicCegarLoop]: 13 mSDtfsCounter, 8 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-25 19:46:47,522 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 17 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-25 19:46:47,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2021-11-25 19:46:47,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2021-11-25 19:46:47,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 97 states have (on average 1.824742268041237) internal successors, (177), 102 states have internal predecessors, (177), 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) [2021-11-25 19:46:47,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 177 transitions. [2021-11-25 19:46:47,533 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 177 transitions. Word has length 9 [2021-11-25 19:46:47,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:46:47,534 INFO L470 AbstractCegarLoop]: Abstraction has 103 states and 177 transitions. [2021-11-25 19:46:47,534 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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) [2021-11-25 19:46:47,534 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 177 transitions. [2021-11-25 19:46:47,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-25 19:46:47,535 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:46:47,535 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:46:47,535 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 19:46:47,536 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-25 19:46:47,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:46:47,536 INFO L85 PathProgramCache]: Analyzing trace with hash -708946112, now seen corresponding path program 1 times [2021-11-25 19:46:47,537 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:46:47,537 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293359398] [2021-11-25 19:46:47,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:46:47,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:46:47,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:46:47,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:46:47,600 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:46:47,601 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293359398] [2021-11-25 19:46:47,601 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293359398] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:46:47,601 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:46:47,601 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 19:46:47,602 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871751531] [2021-11-25 19:46:47,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:46:47,602 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 19:46:47,603 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:46:47,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 19:46:47,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:46:47,610 INFO L87 Difference]: Start difference. First operand 103 states and 177 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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) [2021-11-25 19:46:47,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:46:47,656 INFO L93 Difference]: Finished difference Result 102 states and 169 transitions. [2021-11-25 19:46:47,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 19:46:47,657 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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 9 [2021-11-25 19:46:47,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:46:47,658 INFO L225 Difference]: With dead ends: 102 [2021-11-25 19:46:47,662 INFO L226 Difference]: Without dead ends: 88 [2021-11-25 19:46:47,662 INFO L932 BasicCegarLoop]: 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 [2021-11-25 19:46:47,664 INFO L933 BasicCegarLoop]: 12 mSDtfsCounter, 9 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-25 19:46:47,665 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 16 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-25 19:46:47,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2021-11-25 19:46:47,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2021-11-25 19:46:47,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 84 states have (on average 1.6428571428571428) internal successors, (138), 87 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:46:47,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 138 transitions. [2021-11-25 19:46:47,675 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 138 transitions. Word has length 9 [2021-11-25 19:46:47,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:46:47,676 INFO L470 AbstractCegarLoop]: Abstraction has 88 states and 138 transitions. [2021-11-25 19:46:47,676 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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) [2021-11-25 19:46:47,676 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 138 transitions. [2021-11-25 19:46:47,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-25 19:46:47,677 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:46:47,677 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:46:47,678 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-25 19:46:47,678 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-25 19:46:47,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:46:47,679 INFO L85 PathProgramCache]: Analyzing trace with hash -543611653, now seen corresponding path program 1 times [2021-11-25 19:46:47,679 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:46:47,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763213499] [2021-11-25 19:46:47,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:46:47,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:46:47,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:46:47,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:46:47,723 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:46:47,724 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763213499] [2021-11-25 19:46:47,724 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763213499] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:46:47,724 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:46:47,724 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 19:46:47,725 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988602198] [2021-11-25 19:46:47,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:46:47,725 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 19:46:47,725 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:46:47,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 19:46:47,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:46:47,727 INFO L87 Difference]: Start difference. First operand 88 states and 138 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2021-11-25 19:46:47,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:46:47,743 INFO L93 Difference]: Finished difference Result 15 states and 14 transitions. [2021-11-25 19:46:47,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 19:46:47,745 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 11 [2021-11-25 19:46:47,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:46:47,745 INFO L225 Difference]: With dead ends: 15 [2021-11-25 19:46:47,745 INFO L226 Difference]: Without dead ends: 0 [2021-11-25 19:46:47,746 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:46:47,747 INFO L933 BasicCegarLoop]: 7 mSDtfsCounter, 10 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-25 19:46:47,750 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 7 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-25 19:46:47,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-25 19:46:47,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-25 19:46:47,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:46:47,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-25 19:46:47,754 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2021-11-25 19:46:47,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:46:47,754 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-25 19:46:47,754 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2021-11-25 19:46:47,754 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-25 19:46:47,755 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-25 19:46:47,757 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2021-11-25 19:46:47,759 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2021-11-25 19:46:47,759 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 7 remaining) [2021-11-25 19:46:47,759 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2021-11-25 19:46:47,759 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2021-11-25 19:46:47,760 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2021-11-25 19:46:47,764 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2021-11-25 19:46:47,764 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-25 19:46:47,766 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2021-11-25 19:46:47,771 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-25 19:46:47,771 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-25 19:46:47,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 07:46:47 BasicIcfg [2021-11-25 19:46:47,775 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-25 19:46:47,779 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-25 19:46:47,779 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-25 19:46:47,779 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-25 19:46:47,780 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:46:44" (3/4) ... [2021-11-25 19:46:47,784 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-25 19:46:47,791 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2021-11-25 19:46:47,797 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-11-25 19:46:47,797 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-25 19:46:47,798 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-25 19:46:47,835 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c42ba7-a353-4098-a51f-d5446f2ce5b5/bin/utaipan-eEHZpOm5b7/witness.graphml [2021-11-25 19:46:47,835 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-25 19:46:47,836 INFO L158 Benchmark]: Toolchain (without parser) took 4213.04ms. Allocated memory was 117.4MB in the beginning and 167.8MB in the end (delta: 50.3MB). Free memory was 76.9MB in the beginning and 88.1MB in the end (delta: -11.3MB). Peak memory consumption was 37.5MB. Max. memory is 16.1GB. [2021-11-25 19:46:47,837 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 117.4MB. Free memory is still 94.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 19:46:47,837 INFO L158 Benchmark]: CACSL2BoogieTranslator took 475.70ms. Allocated memory is still 117.4MB. Free memory was 76.7MB in the beginning and 83.0MB in the end (delta: -6.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-25 19:46:47,838 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.91ms. Allocated memory is still 117.4MB. Free memory was 82.5MB in the beginning and 80.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 19:46:47,838 INFO L158 Benchmark]: Boogie Preprocessor took 22.63ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 79.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 19:46:47,839 INFO L158 Benchmark]: RCFGBuilder took 470.28ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 68.3MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-25 19:46:47,839 INFO L158 Benchmark]: TraceAbstraction took 3136.80ms. Allocated memory was 117.4MB in the beginning and 167.8MB in the end (delta: 50.3MB). Free memory was 67.8MB in the beginning and 90.2MB in the end (delta: -22.4MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. [2021-11-25 19:46:47,840 INFO L158 Benchmark]: Witness Printer took 56.69ms. Allocated memory is still 167.8MB. Free memory was 90.2MB in the beginning and 88.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 19:46:47,842 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 117.4MB. Free memory is still 94.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 475.70ms. Allocated memory is still 117.4MB. Free memory was 76.7MB in the beginning and 83.0MB in the end (delta: -6.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.91ms. Allocated memory is still 117.4MB. Free memory was 82.5MB in the beginning and 80.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.63ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 79.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 470.28ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 68.3MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 3136.80ms. Allocated memory was 117.4MB in the beginning and 167.8MB in the end (delta: 50.3MB). Free memory was 67.8MB in the beginning and 90.2MB in the end (delta: -22.4MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. * Witness Printer took 56.69ms. Allocated memory is still 167.8MB. Free memory was 90.2MB in the beginning and 88.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.1s, 72 PlacesBefore, 27 PlacesAfterwards, 68 TransitionsBefore, 23 TransitionsAfterwards, 748 CoEnabledTransitionPairs, 6 FixpointIterations, 26 TrivialSequentialCompositions, 19 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 45 TotalNumberOfCompositions, 3048 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1219, positive: 981, positive conditional: 0, positive unconditional: 981, negative: 238, negative conditional: 0, negative unconditional: 238, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 541, positive: 493, positive conditional: 0, positive unconditional: 493, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 541, positive: 482, positive conditional: 0, positive unconditional: 482, negative: 59, negative conditional: 0, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 59, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 88, positive: 17, positive conditional: 0, positive unconditional: 17, negative: 71, negative conditional: 0, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1219, positive: 488, positive conditional: 0, positive unconditional: 488, negative: 190, negative conditional: 0, negative unconditional: 190, unknown: 541, unknown conditional: 0, unknown unconditional: 541] , Statistics on independence cache: Total cache size (in pairs): 129, Positive cache size: 100, Positive conditional cache size: 0, Positive unconditional cache size: 100, Negative cache size: 29, Negative conditional cache size: 0, Negative unconditional cache size: 29 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 696]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 696]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 686]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 686]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 88 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 3.0s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.2s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 41 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 41 mSDsluCounter, 54 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 28 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 119 IncrementalHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 42 mSDtfsCounter, 119 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=119occurred in iteration=0, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 24 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 42 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-11-25 19:46:47,880 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c42ba7-a353-4098-a51f-d5446f2ce5b5/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE