./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-atomic/time_var_mutex.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_8be591e4-de4a-497b-a86a-cab893eb4987/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8be591e4-de4a-497b-a86a-cab893eb4987/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_8be591e4-de4a-497b-a86a-cab893eb4987/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8be591e4-de4a-497b-a86a-cab893eb4987/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-atomic/time_var_mutex.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8be591e4-de4a-497b-a86a-cab893eb4987/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_8be591e4-de4a-497b-a86a-cab893eb4987/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 1985bb251db70a1c798d345be7e1671f9dcc6a359b969ca99d23e0003d9a3770 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 00:17:26,865 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 00:17:26,868 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 00:17:26,906 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 00:17:26,907 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 00:17:26,909 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 00:17:26,911 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 00:17:26,914 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 00:17:26,916 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 00:17:26,918 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 00:17:26,920 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 00:17:26,921 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 00:17:26,922 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 00:17:26,924 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 00:17:26,926 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 00:17:26,928 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 00:17:26,930 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 00:17:26,931 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 00:17:26,934 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 00:17:26,937 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 00:17:26,940 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 00:17:26,947 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 00:17:26,949 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 00:17:26,951 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 00:17:26,957 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 00:17:26,963 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 00:17:26,964 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 00:17:26,966 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 00:17:26,968 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 00:17:26,969 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 00:17:26,971 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 00:17:26,972 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 00:17:26,975 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 00:17:26,976 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 00:17:26,978 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 00:17:26,979 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 00:17:26,980 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 00:17:26,980 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 00:17:26,980 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 00:17:26,982 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 00:17:26,983 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 00:17:26,984 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8be591e4-de4a-497b-a86a-cab893eb4987/bin/utaipan-TEXQjIfE4P/config/svcomp-DataRace-32bit-Taipan_Default.epf [2021-11-21 00:17:27,042 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 00:17:27,044 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 00:17:27,045 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 00:17:27,045 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 00:17:27,046 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 00:17:27,054 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 00:17:27,054 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 00:17:27,055 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 00:17:27,055 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 00:17:27,055 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 00:17:27,057 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 00:17:27,057 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 00:17:27,058 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 00:17:27,058 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 00:17:27,058 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 00:17:27,059 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 00:17:27,059 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 00:17:27,059 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 00:17:27,061 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 00:17:27,062 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 00:17:27,062 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 00:17:27,062 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 00:17:27,063 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 00:17:27,063 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 00:17:27,063 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 00:17:27,063 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 00:17:27,066 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 00:17:27,066 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2021-11-21 00:17:27,067 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 00:17:27,067 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 00:17:27,067 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 00:17:27,068 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 00:17:27,069 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 00:17:27,069 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 00:17:27,069 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:17:27,070 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 00:17:27,070 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 00:17:27,070 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 00:17:27,071 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 00:17:27,072 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 00:17:27,072 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 00:17:27,073 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 00:17:27,073 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 00:17:27,073 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_8be591e4-de4a-497b-a86a-cab893eb4987/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8be591e4-de4a-497b-a86a-cab893eb4987/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1985bb251db70a1c798d345be7e1671f9dcc6a359b969ca99d23e0003d9a3770 [2021-11-21 00:17:27,390 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 00:17:27,413 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 00:17:27,416 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 00:17:27,418 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 00:17:27,418 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 00:17:27,420 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8be591e4-de4a-497b-a86a-cab893eb4987/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/pthread-atomic/time_var_mutex.i [2021-11-21 00:17:27,507 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8be591e4-de4a-497b-a86a-cab893eb4987/bin/utaipan-TEXQjIfE4P/data/52dc1206f/40394658625a4478b38ff7f93355db52/FLAG4c698660b [2021-11-21 00:17:28,088 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 00:17:28,088 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8be591e4-de4a-497b-a86a-cab893eb4987/sv-benchmarks/c/pthread-atomic/time_var_mutex.i [2021-11-21 00:17:28,105 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8be591e4-de4a-497b-a86a-cab893eb4987/bin/utaipan-TEXQjIfE4P/data/52dc1206f/40394658625a4478b38ff7f93355db52/FLAG4c698660b [2021-11-21 00:17:28,379 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8be591e4-de4a-497b-a86a-cab893eb4987/bin/utaipan-TEXQjIfE4P/data/52dc1206f/40394658625a4478b38ff7f93355db52 [2021-11-21 00:17:28,382 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 00:17:28,383 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 00:17:28,385 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 00:17:28,386 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 00:17:28,394 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 00:17:28,395 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:17:28" (1/1) ... [2021-11-21 00:17:28,396 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cc4410f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:17:28, skipping insertion in model container [2021-11-21 00:17:28,397 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:17:28" (1/1) ... [2021-11-21 00:17:28,405 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 00:17:28,459 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 00:17:28,886 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8be591e4-de4a-497b-a86a-cab893eb4987/sv-benchmarks/c/pthread-atomic/time_var_mutex.i[30247,30260] [2021-11-21 00:17:28,893 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8be591e4-de4a-497b-a86a-cab893eb4987/sv-benchmarks/c/pthread-atomic/time_var_mutex.i[30452,30465] [2021-11-21 00:17:28,906 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:17:28,931 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 00:17:29,005 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8be591e4-de4a-497b-a86a-cab893eb4987/sv-benchmarks/c/pthread-atomic/time_var_mutex.i[30247,30260] [2021-11-21 00:17:29,007 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8be591e4-de4a-497b-a86a-cab893eb4987/sv-benchmarks/c/pthread-atomic/time_var_mutex.i[30452,30465] [2021-11-21 00:17:29,015 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:17:29,066 INFO L208 MainTranslator]: Completed translation [2021-11-21 00:17:29,066 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:17:29 WrapperNode [2021-11-21 00:17:29,067 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 00:17:29,068 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 00:17:29,068 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 00:17:29,068 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 00:17:29,078 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:17:29" (1/1) ... [2021-11-21 00:17:29,097 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:17:29" (1/1) ... [2021-11-21 00:17:29,147 INFO L137 Inliner]: procedures = 169, calls = 34, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 76 [2021-11-21 00:17:29,147 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 00:17:29,148 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 00:17:29,148 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 00:17:29,149 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 00:17:29,164 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:17:29" (1/1) ... [2021-11-21 00:17:29,165 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:17:29" (1/1) ... [2021-11-21 00:17:29,186 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:17:29" (1/1) ... [2021-11-21 00:17:29,187 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:17:29" (1/1) ... [2021-11-21 00:17:29,196 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:17:29" (1/1) ... [2021-11-21 00:17:29,198 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:17:29" (1/1) ... [2021-11-21 00:17:29,201 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:17:29" (1/1) ... [2021-11-21 00:17:29,205 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 00:17:29,206 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 00:17:29,206 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 00:17:29,206 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 00:17:29,218 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:17:29" (1/1) ... [2021-11-21 00:17:29,230 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:17:29,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8be591e4-de4a-497b-a86a-cab893eb4987/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:17:29,259 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8be591e4-de4a-497b-a86a-cab893eb4987/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 00:17:29,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8be591e4-de4a-497b-a86a-cab893eb4987/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 00:17:29,304 INFO L130 BoogieDeclarations]: Found specification of procedure allocator [2021-11-21 00:17:29,304 INFO L138 BoogieDeclarations]: Found implementation of procedure allocator [2021-11-21 00:17:29,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 00:17:29,305 INFO L130 BoogieDeclarations]: Found specification of procedure de_allocator [2021-11-21 00:17:29,305 INFO L138 BoogieDeclarations]: Found implementation of procedure de_allocator [2021-11-21 00:17:29,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 00:17:29,306 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-21 00:17:29,306 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 00:17:29,306 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 00:17:29,306 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 00:17:29,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 00:17:29,307 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 00:17:29,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 00:17:29,309 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 00:17:29,429 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 00:17:29,431 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 00:17:29,768 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 00:17:29,780 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 00:17:29,780 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-21 00:17:29,783 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:17:29 BoogieIcfgContainer [2021-11-21 00:17:29,783 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 00:17:29,785 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 00:17:29,785 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 00:17:29,789 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 00:17:29,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 12:17:28" (1/3) ... [2021-11-21 00:17:29,790 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b743af3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:17:29, skipping insertion in model container [2021-11-21 00:17:29,790 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:17:29" (2/3) ... [2021-11-21 00:17:29,791 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b743af3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:17:29, skipping insertion in model container [2021-11-21 00:17:29,791 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:17:29" (3/3) ... [2021-11-21 00:17:29,793 INFO L111 eAbstractionObserver]: Analyzing ICFG time_var_mutex.i [2021-11-21 00:17:29,800 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-21 00:17:29,800 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 00:17:29,800 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2021-11-21 00:17:29,800 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-21 00:17:29,865 WARN L322 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:17:29,866 WARN L322 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:17:29,866 WARN L322 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:17:29,866 WARN L322 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:17:29,867 WARN L322 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:17:29,867 WARN L322 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:17:29,867 WARN L322 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:17:29,867 WARN L322 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:17:29,867 WARN L322 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:17:29,868 WARN L322 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:17:29,868 WARN L322 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:17:29,868 WARN L322 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:17:29,869 WARN L322 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:17:29,869 WARN L322 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:17:29,870 WARN L322 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:17:29,870 WARN L322 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:17:29,870 WARN L322 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:17:29,870 WARN L322 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:17:29,871 WARN L322 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:17:29,871 WARN L322 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:17:29,871 WARN L322 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:17:29,871 WARN L322 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:17:29,871 WARN L322 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:17:29,872 WARN L322 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:17:29,872 WARN L322 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:17:29,872 WARN L322 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:17:29,872 WARN L322 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:17:29,873 WARN L322 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:17:29,873 WARN L322 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:17:29,873 WARN L322 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:17:29,873 WARN L322 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:17:29,874 WARN L322 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:17:29,874 WARN L322 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:17:29,874 WARN L322 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:17:29,874 WARN L322 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:17:29,875 WARN L322 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:17:29,876 WARN L322 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:17:29,876 WARN L322 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:17:29,876 WARN L322 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:17:29,876 WARN L322 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:17:29,876 WARN L322 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:17:29,877 WARN L322 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:17:29,877 WARN L322 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:17:29,877 WARN L322 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:17:29,877 WARN L322 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:17:29,878 WARN L322 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:17:29,878 WARN L322 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:17:29,878 WARN L322 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:17:29,884 WARN L322 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:17:29,885 WARN L322 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:17:29,885 WARN L322 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:17:29,886 WARN L322 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:17:29,886 WARN L322 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:17:29,886 WARN L322 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:17:29,886 WARN L322 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:17:29,886 WARN L322 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:17:29,887 WARN L322 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:17:29,887 WARN L322 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:17:29,887 WARN L322 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:17:29,887 WARN L322 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:17:29,888 WARN L322 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:17:29,888 WARN L322 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:17:29,889 WARN L322 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:17:29,889 WARN L322 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:17:29,889 WARN L322 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:17:29,889 WARN L322 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:17:29,889 WARN L322 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:17:29,890 WARN L322 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:17:29,890 WARN L322 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:17:29,890 WARN L322 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:17:29,890 WARN L322 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:17:29,891 WARN L322 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:17:29,891 WARN L322 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:17:29,891 WARN L322 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:17:29,891 WARN L322 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:17:29,892 WARN L322 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:17:29,895 WARN L322 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:17:29,896 WARN L322 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:17:29,896 WARN L322 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:17:29,896 WARN L322 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:17:29,896 WARN L322 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:17:29,896 WARN L322 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:17:29,897 WARN L322 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:17:29,897 WARN L322 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:17:29,897 WARN L322 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:17:29,911 WARN L322 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:17:29,911 WARN L322 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:17:29,912 WARN L322 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:17:29,912 WARN L322 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:17:29,912 WARN L322 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:17:29,912 WARN L322 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-21 00:17:29,916 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-11-21 00:17:29,982 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 00:17:29,998 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 00:17:30,001 INFO L340 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2021-11-21 00:17:30,052 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-11-21 00:17:30,072 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 152 places, 150 transitions, 316 flow [2021-11-21 00:17:30,076 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 152 places, 150 transitions, 316 flow [2021-11-21 00:17:30,078 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 152 places, 150 transitions, 316 flow [2021-11-21 00:17:30,193 INFO L129 PetriNetUnfolder]: 5/148 cut-off events. [2021-11-21 00:17:30,193 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-11-21 00:17:30,199 INFO L84 FinitePrefix]: Finished finitePrefix Result has 157 conditions, 148 events. 5/148 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 231 event pairs, 0 based on Foata normal form. 0/131 useless extension candidates. Maximal degree in co-relation 97. Up to 3 conditions per place. [2021-11-21 00:17:30,208 INFO L116 LiptonReduction]: Number of co-enabled transitions 3906 [2021-11-21 00:17:35,697 INFO L131 LiptonReduction]: Checked pairs total: 19235 [2021-11-21 00:17:35,697 INFO L133 LiptonReduction]: Total number of compositions: 144 [2021-11-21 00:17:35,708 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 52 places, 49 transitions, 114 flow [2021-11-21 00:17:35,784 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 836 states, 782 states have (on average 2.9040920716112533) internal successors, (2271), 835 states have internal predecessors, (2271), 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 00:17:35,789 INFO L276 IsEmpty]: Start isEmpty. Operand has 836 states, 782 states have (on average 2.9040920716112533) internal successors, (2271), 835 states have internal predecessors, (2271), 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 00:17:35,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2021-11-21 00:17:35,794 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:17:35,794 INFO L514 BasicCegarLoop]: trace histogram [1] [2021-11-21 00:17:35,795 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [allocatorErr0ASSERT_VIOLATIONDATA_RACE, allocatorErr3ASSERT_VIOLATIONDATA_RACE, allocatorErr1ASSERT_VIOLATIONDATA_RACE, allocatorErr4ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2021-11-21 00:17:35,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:17:35,800 INFO L85 PathProgramCache]: Analyzing trace with hash 550, now seen corresponding path program 1 times [2021-11-21 00:17:35,810 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:17:35,810 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814395335] [2021-11-21 00:17:35,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:17:35,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:17:35,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:17:35,918 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 00:17:35,919 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:17:35,919 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814395335] [2021-11-21 00:17:35,920 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [814395335] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:17:35,920 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:17:35,920 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2021-11-21 00:17:35,922 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990532167] [2021-11-21 00:17:35,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:17:35,926 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-21 00:17:35,927 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:17:35,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-21 00:17:35,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-21 00:17:35,952 INFO L87 Difference]: Start difference. First operand has 836 states, 782 states have (on average 2.9040920716112533) internal successors, (2271), 835 states have internal predecessors, (2271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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 00:17:36,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:17:36,025 INFO L93 Difference]: Finished difference Result 508 states and 1237 transitions. [2021-11-21 00:17:36,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-21 00:17:36,027 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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 1 [2021-11-21 00:17:36,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:17:36,044 INFO L225 Difference]: With dead ends: 508 [2021-11-21 00:17:36,045 INFO L226 Difference]: Without dead ends: 492 [2021-11-21 00:17:36,045 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-21 00:17:36,049 INFO L933 BasicCegarLoop]: 10 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-21 00:17:36,050 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 10 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-21 00:17:36,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 492 states. [2021-11-21 00:17:36,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 492 to 492. [2021-11-21 00:17:36,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 492 states, 477 states have (on average 2.50314465408805) internal successors, (1194), 491 states have internal predecessors, (1194), 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 00:17:36,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 492 states and 1194 transitions. [2021-11-21 00:17:36,142 INFO L78 Accepts]: Start accepts. Automaton has 492 states and 1194 transitions. Word has length 1 [2021-11-21 00:17:36,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:17:36,142 INFO L470 AbstractCegarLoop]: Abstraction has 492 states and 1194 transitions. [2021-11-21 00:17:36,147 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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 00:17:36,147 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 1194 transitions. [2021-11-21 00:17:36,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-21 00:17:36,148 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:17:36,148 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-11-21 00:17:36,148 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-21 00:17:36,149 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting allocatorErr3ASSERT_VIOLATIONDATA_RACE === [allocatorErr0ASSERT_VIOLATIONDATA_RACE, allocatorErr3ASSERT_VIOLATIONDATA_RACE, allocatorErr1ASSERT_VIOLATIONDATA_RACE, allocatorErr4ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2021-11-21 00:17:36,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:17:36,152 INFO L85 PathProgramCache]: Analyzing trace with hash -1035224872, now seen corresponding path program 1 times [2021-11-21 00:17:36,152 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:17:36,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912426079] [2021-11-21 00:17:36,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:17:36,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:17:36,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:17:36,265 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 00:17:36,266 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:17:36,266 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912426079] [2021-11-21 00:17:36,266 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912426079] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:17:36,266 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:17:36,267 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 00:17:36,267 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641793812] [2021-11-21 00:17:36,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:17:36,268 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:17:36,268 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:17:36,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:17:36,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:17:36,269 INFO L87 Difference]: Start difference. First operand 492 states and 1194 transitions. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 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 00:17:36,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:17:36,353 INFO L93 Difference]: Finished difference Result 492 states and 1164 transitions. [2021-11-21 00:17:36,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:17:36,354 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 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 6 [2021-11-21 00:17:36,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:17:36,360 INFO L225 Difference]: With dead ends: 492 [2021-11-21 00:17:36,361 INFO L226 Difference]: Without dead ends: 492 [2021-11-21 00:17:36,361 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 [2021-11-21 00:17:36,363 INFO L933 BasicCegarLoop]: 10 mSDtfsCounter, 22 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-21 00:17:36,363 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [22 Valid, 19 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-21 00:17:36,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 492 states. [2021-11-21 00:17:36,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 492 to 492. [2021-11-21 00:17:36,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 492 states, 477 states have (on average 2.440251572327044) internal successors, (1164), 491 states have internal predecessors, (1164), 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 00:17:36,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 492 states and 1164 transitions. [2021-11-21 00:17:36,402 INFO L78 Accepts]: Start accepts. Automaton has 492 states and 1164 transitions. Word has length 6 [2021-11-21 00:17:36,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:17:36,402 INFO L470 AbstractCegarLoop]: Abstraction has 492 states and 1164 transitions. [2021-11-21 00:17:36,402 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 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 00:17:36,403 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 1164 transitions. [2021-11-21 00:17:36,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-21 00:17:36,404 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:17:36,404 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:17:36,404 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-21 00:17:36,405 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting de_allocatorErr0ASSERT_VIOLATIONDATA_RACE === [allocatorErr0ASSERT_VIOLATIONDATA_RACE, allocatorErr3ASSERT_VIOLATIONDATA_RACE, allocatorErr1ASSERT_VIOLATIONDATA_RACE, allocatorErr4ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2021-11-21 00:17:36,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:17:36,405 INFO L85 PathProgramCache]: Analyzing trace with hash -2030276843, now seen corresponding path program 1 times [2021-11-21 00:17:36,406 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:17:36,406 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270303924] [2021-11-21 00:17:36,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:17:36,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:17:36,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:17:36,473 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 00:17:36,473 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:17:36,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270303924] [2021-11-21 00:17:36,474 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1270303924] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:17:36,474 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:17:36,474 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 00:17:36,474 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386547195] [2021-11-21 00:17:36,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:17:36,475 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:17:36,475 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:17:36,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:17:36,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:17:36,476 INFO L87 Difference]: Start difference. First operand 492 states and 1164 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:17:36,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:17:36,544 INFO L93 Difference]: Finished difference Result 752 states and 1778 transitions. [2021-11-21 00:17:36,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:17:36,544 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-11-21 00:17:36,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:17:36,551 INFO L225 Difference]: With dead ends: 752 [2021-11-21 00:17:36,551 INFO L226 Difference]: Without dead ends: 752 [2021-11-21 00:17:36,551 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 [2021-11-21 00:17:36,553 INFO L933 BasicCegarLoop]: 12 mSDtfsCounter, 32 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-21 00:17:36,553 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [32 Valid, 19 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-21 00:17:36,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 752 states. [2021-11-21 00:17:36,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 752 to 510. [2021-11-21 00:17:36,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 510 states, 495 states have (on average 2.4767676767676767) internal successors, (1226), 509 states have internal predecessors, (1226), 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 00:17:36,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 510 states and 1226 transitions. [2021-11-21 00:17:36,599 INFO L78 Accepts]: Start accepts. Automaton has 510 states and 1226 transitions. Word has length 7 [2021-11-21 00:17:36,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:17:36,600 INFO L470 AbstractCegarLoop]: Abstraction has 510 states and 1226 transitions. [2021-11-21 00:17:36,600 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:17:36,600 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 1226 transitions. [2021-11-21 00:17:36,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-21 00:17:36,601 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:17:36,601 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:17:36,602 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-21 00:17:36,602 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting allocatorErr1ASSERT_VIOLATIONDATA_RACE === [allocatorErr0ASSERT_VIOLATIONDATA_RACE, allocatorErr3ASSERT_VIOLATIONDATA_RACE, allocatorErr1ASSERT_VIOLATIONDATA_RACE, allocatorErr4ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2021-11-21 00:17:36,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:17:36,603 INFO L85 PathProgramCache]: Analyzing trace with hash -2026529525, now seen corresponding path program 1 times [2021-11-21 00:17:36,603 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:17:36,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094035754] [2021-11-21 00:17:36,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:17:36,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:17:36,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:17:36,653 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 00:17:36,654 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:17:36,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094035754] [2021-11-21 00:17:36,654 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094035754] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:17:36,655 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:17:36,655 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 00:17:36,655 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314399810] [2021-11-21 00:17:36,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:17:36,656 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:17:36,656 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:17:36,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:17:36,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:17:36,657 INFO L87 Difference]: Start difference. First operand 510 states and 1226 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:17:36,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:17:36,758 INFO L93 Difference]: Finished difference Result 520 states and 1248 transitions. [2021-11-21 00:17:36,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:17:36,759 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-11-21 00:17:36,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:17:36,768 INFO L225 Difference]: With dead ends: 520 [2021-11-21 00:17:36,768 INFO L226 Difference]: Without dead ends: 520 [2021-11-21 00:17:36,770 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 [2021-11-21 00:17:36,773 INFO L933 BasicCegarLoop]: 13 mSDtfsCounter, 16 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-21 00:17:36,774 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 20 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-21 00:17:36,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 520 states. [2021-11-21 00:17:36,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 520 to 520. [2021-11-21 00:17:36,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 520 states, 506 states have (on average 2.466403162055336) internal successors, (1248), 519 states have internal predecessors, (1248), 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 00:17:36,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 520 states and 1248 transitions. [2021-11-21 00:17:36,803 INFO L78 Accepts]: Start accepts. Automaton has 520 states and 1248 transitions. Word has length 7 [2021-11-21 00:17:36,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:17:36,804 INFO L470 AbstractCegarLoop]: Abstraction has 520 states and 1248 transitions. [2021-11-21 00:17:36,805 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:17:36,807 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 1248 transitions. [2021-11-21 00:17:36,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-21 00:17:36,809 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:17:36,810 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:17:36,810 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-21 00:17:36,810 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting de_allocatorErr1ASSERT_VIOLATIONDATA_RACE === [allocatorErr0ASSERT_VIOLATIONDATA_RACE, allocatorErr3ASSERT_VIOLATIONDATA_RACE, allocatorErr1ASSERT_VIOLATIONDATA_RACE, allocatorErr4ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2021-11-21 00:17:36,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:17:36,816 INFO L85 PathProgramCache]: Analyzing trace with hash 2049664950, now seen corresponding path program 1 times [2021-11-21 00:17:36,816 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:17:36,816 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418652437] [2021-11-21 00:17:36,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:17:36,818 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:17:36,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:17:36,908 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 00:17:36,909 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:17:36,909 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418652437] [2021-11-21 00:17:36,909 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1418652437] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:17:36,909 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:17:36,909 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 00:17:36,910 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584790361] [2021-11-21 00:17:36,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:17:36,910 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:17:36,910 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:17:36,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:17:36,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:17:36,911 INFO L87 Difference]: Start difference. First operand 520 states and 1248 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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 00:17:36,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:17:36,982 INFO L93 Difference]: Finished difference Result 516 states and 1235 transitions. [2021-11-21 00:17:36,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:17:36,983 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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 10 [2021-11-21 00:17:36,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:17:36,988 INFO L225 Difference]: With dead ends: 516 [2021-11-21 00:17:36,988 INFO L226 Difference]: Without dead ends: 516 [2021-11-21 00:17:36,989 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 [2021-11-21 00:17:36,990 INFO L933 BasicCegarLoop]: 12 mSDtfsCounter, 16 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-21 00:17:36,990 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 15 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-21 00:17:36,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 516 states. [2021-11-21 00:17:37,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 516 to 516. [2021-11-21 00:17:37,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 516 states, 503 states have (on average 2.4552683896620278) internal successors, (1235), 515 states have internal predecessors, (1235), 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 00:17:37,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 516 states and 1235 transitions. [2021-11-21 00:17:37,012 INFO L78 Accepts]: Start accepts. Automaton has 516 states and 1235 transitions. Word has length 10 [2021-11-21 00:17:37,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:17:37,012 INFO L470 AbstractCegarLoop]: Abstraction has 516 states and 1235 transitions. [2021-11-21 00:17:37,013 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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 00:17:37,013 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 1235 transitions. [2021-11-21 00:17:37,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-21 00:17:37,014 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:17:37,015 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:17:37,015 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-21 00:17:37,015 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting allocatorErr1ASSERT_VIOLATIONDATA_RACE === [allocatorErr0ASSERT_VIOLATIONDATA_RACE, allocatorErr3ASSERT_VIOLATIONDATA_RACE, allocatorErr1ASSERT_VIOLATIONDATA_RACE, allocatorErr4ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2021-11-21 00:17:37,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:17:37,016 INFO L85 PathProgramCache]: Analyzing trace with hash 679900942, now seen corresponding path program 1 times [2021-11-21 00:17:37,016 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:17:37,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822736358] [2021-11-21 00:17:37,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:17:37,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:17:37,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:17:37,097 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 00:17:37,099 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:17:37,100 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822736358] [2021-11-21 00:17:37,100 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822736358] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:17:37,100 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:17:37,100 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 00:17:37,101 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035371630] [2021-11-21 00:17:37,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:17:37,101 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:17:37,102 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:17:37,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:17:37,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:17:37,103 INFO L87 Difference]: Start difference. First operand 516 states and 1235 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) [2021-11-21 00:17:37,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:17:37,189 INFO L93 Difference]: Finished difference Result 382 states and 826 transitions. [2021-11-21 00:17:37,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:17:37,190 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 [2021-11-21 00:17:37,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:17:37,194 INFO L225 Difference]: With dead ends: 382 [2021-11-21 00:17:37,194 INFO L226 Difference]: Without dead ends: 382 [2021-11-21 00:17:37,197 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 [2021-11-21 00:17:37,201 INFO L933 BasicCegarLoop]: 11 mSDtfsCounter, 23 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-21 00:17:37,201 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [23 Valid, 18 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-21 00:17:37,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2021-11-21 00:17:37,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 350. [2021-11-21 00:17:37,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 350 states, 341 states have (on average 2.269794721407625) internal successors, (774), 349 states have internal predecessors, (774), 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 00:17:37,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 774 transitions. [2021-11-21 00:17:37,217 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 774 transitions. Word has length 11 [2021-11-21 00:17:37,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:17:37,217 INFO L470 AbstractCegarLoop]: Abstraction has 350 states and 774 transitions. [2021-11-21 00:17:37,218 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) [2021-11-21 00:17:37,218 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 774 transitions. [2021-11-21 00:17:37,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-21 00:17:37,225 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:17:37,225 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:17:37,225 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-21 00:17:37,226 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting allocatorErr3ASSERT_VIOLATIONDATA_RACE === [allocatorErr0ASSERT_VIOLATIONDATA_RACE, allocatorErr3ASSERT_VIOLATIONDATA_RACE, allocatorErr1ASSERT_VIOLATIONDATA_RACE, allocatorErr4ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2021-11-21 00:17:37,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:17:37,227 INFO L85 PathProgramCache]: Analyzing trace with hash -1901904409, now seen corresponding path program 1 times [2021-11-21 00:17:37,229 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:17:37,229 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637779391] [2021-11-21 00:17:37,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:17:37,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:17:37,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:17:37,307 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 00:17:37,307 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:17:37,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637779391] [2021-11-21 00:17:37,308 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637779391] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:17:37,308 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:17:37,308 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 00:17:37,308 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13095575] [2021-11-21 00:17:37,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:17:37,309 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:17:37,309 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:17:37,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:17:37,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:17:37,310 INFO L87 Difference]: Start difference. First operand 350 states and 774 transitions. Second operand has 3 states, 2 states have (on average 5.5) 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) [2021-11-21 00:17:37,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:17:37,397 INFO L93 Difference]: Finished difference Result 342 states and 751 transitions. [2021-11-21 00:17:37,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:17:37,398 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) 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 [2021-11-21 00:17:37,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:17:37,402 INFO L225 Difference]: With dead ends: 342 [2021-11-21 00:17:37,403 INFO L226 Difference]: Without dead ends: 342 [2021-11-21 00:17:37,403 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 [2021-11-21 00:17:37,404 INFO L933 BasicCegarLoop]: 10 mSDtfsCounter, 14 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-21 00:17:37,405 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 11 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-21 00:17:37,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2021-11-21 00:17:37,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 342. [2021-11-21 00:17:37,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 334 states have (on average 2.248502994011976) internal successors, (751), 341 states have internal predecessors, (751), 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 00:17:37,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 751 transitions. [2021-11-21 00:17:37,419 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 751 transitions. Word has length 11 [2021-11-21 00:17:37,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:17:37,420 INFO L470 AbstractCegarLoop]: Abstraction has 342 states and 751 transitions. [2021-11-21 00:17:37,420 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) 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) [2021-11-21 00:17:37,420 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 751 transitions. [2021-11-21 00:17:37,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-21 00:17:37,421 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:17:37,422 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:17:37,422 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-21 00:17:37,422 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting de_allocatorErr2ASSERT_VIOLATIONDATA_RACE === [allocatorErr0ASSERT_VIOLATIONDATA_RACE, allocatorErr3ASSERT_VIOLATIONDATA_RACE, allocatorErr1ASSERT_VIOLATIONDATA_RACE, allocatorErr4ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2021-11-21 00:17:37,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:17:37,423 INFO L85 PathProgramCache]: Analyzing trace with hash -1661897416, now seen corresponding path program 1 times [2021-11-21 00:17:37,423 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:17:37,423 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186117517] [2021-11-21 00:17:37,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:17:37,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:17:37,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:17:37,449 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 00:17:37,450 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:17:37,450 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186117517] [2021-11-21 00:17:37,450 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186117517] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:17:37,450 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:17:37,450 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 00:17:37,451 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272785320] [2021-11-21 00:17:37,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:17:37,451 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:17:37,451 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:17:37,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:17:37,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:17:37,452 INFO L87 Difference]: Start difference. First operand 342 states and 751 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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 00:17:37,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:17:37,536 INFO L93 Difference]: Finished difference Result 350 states and 732 transitions. [2021-11-21 00:17:37,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:17:37,537 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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 12 [2021-11-21 00:17:37,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:17:37,538 INFO L225 Difference]: With dead ends: 350 [2021-11-21 00:17:37,539 INFO L226 Difference]: Without dead ends: 176 [2021-11-21 00:17:37,539 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 [2021-11-21 00:17:37,540 INFO L933 BasicCegarLoop]: 12 mSDtfsCounter, 26 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-21 00:17:37,540 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [26 Valid, 13 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-21 00:17:37,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2021-11-21 00:17:37,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 176. [2021-11-21 00:17:37,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 172 states have (on average 1.947674418604651) internal successors, (335), 175 states have internal predecessors, (335), 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 00:17:37,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 335 transitions. [2021-11-21 00:17:37,548 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 335 transitions. Word has length 12 [2021-11-21 00:17:37,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:17:37,548 INFO L470 AbstractCegarLoop]: Abstraction has 176 states and 335 transitions. [2021-11-21 00:17:37,548 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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 00:17:37,548 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 335 transitions. [2021-11-21 00:17:37,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 00:17:37,549 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:17:37,549 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:17:37,550 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-21 00:17:37,550 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting allocatorErr3ASSERT_VIOLATIONDATA_RACE === [allocatorErr0ASSERT_VIOLATIONDATA_RACE, allocatorErr3ASSERT_VIOLATIONDATA_RACE, allocatorErr1ASSERT_VIOLATIONDATA_RACE, allocatorErr4ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2021-11-21 00:17:37,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:17:37,551 INFO L85 PathProgramCache]: Analyzing trace with hash -2035944065, now seen corresponding path program 1 times [2021-11-21 00:17:37,551 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:17:37,551 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914304323] [2021-11-21 00:17:37,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:17:37,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:17:37,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:17:37,585 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 00:17:37,585 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:17:37,586 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914304323] [2021-11-21 00:17:37,586 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914304323] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:17:37,586 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:17:37,586 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 00:17:37,586 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190821737] [2021-11-21 00:17:37,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:17:37,587 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:17:37,587 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:17:37,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:17:37,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:17:37,588 INFO L87 Difference]: Start difference. First operand 176 states and 335 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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 00:17:37,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:17:37,616 INFO L93 Difference]: Finished difference Result 66 states and 121 transitions. [2021-11-21 00:17:37,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:17:37,617 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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 18 [2021-11-21 00:17:37,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:17:37,618 INFO L225 Difference]: With dead ends: 66 [2021-11-21 00:17:37,618 INFO L226 Difference]: Without dead ends: 0 [2021-11-21 00:17:37,618 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 [2021-11-21 00:17:37,619 INFO L933 BasicCegarLoop]: 1 mSDtfsCounter, 5 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-21 00:17:37,619 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5 Valid, 1 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-21 00:17:37,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-21 00:17:37,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-21 00:17:37,620 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) [2021-11-21 00:17:37,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-21 00:17:37,621 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2021-11-21 00:17:37,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:17:37,621 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-21 00:17:37,621 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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 00:17:37,622 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-21 00:17:37,622 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-21 00:17:37,624 INFO L764 garLoopResultBuilder]: Registering result SAFE for location allocatorErr0ASSERT_VIOLATIONDATA_RACE (21 of 22 remaining) [2021-11-21 00:17:37,625 INFO L764 garLoopResultBuilder]: Registering result SAFE for location allocatorErr3ASSERT_VIOLATIONDATA_RACE (20 of 22 remaining) [2021-11-21 00:17:37,625 INFO L764 garLoopResultBuilder]: Registering result SAFE for location allocatorErr1ASSERT_VIOLATIONDATA_RACE (19 of 22 remaining) [2021-11-21 00:17:37,625 INFO L764 garLoopResultBuilder]: Registering result SAFE for location allocatorErr4ASSERT_VIOLATIONDATA_RACE (18 of 22 remaining) [2021-11-21 00:17:37,626 INFO L764 garLoopResultBuilder]: Registering result SAFE for location allocatorErr2ASSERT_VIOLATIONDATA_RACE (17 of 22 remaining) [2021-11-21 00:17:37,626 INFO L764 garLoopResultBuilder]: Registering result SAFE for location de_allocatorErr0ASSERT_VIOLATIONDATA_RACE (16 of 22 remaining) [2021-11-21 00:17:37,626 INFO L764 garLoopResultBuilder]: Registering result SAFE for location de_allocatorErr1ASSERT_VIOLATIONDATA_RACE (15 of 22 remaining) [2021-11-21 00:17:37,626 INFO L764 garLoopResultBuilder]: Registering result SAFE for location de_allocatorErr2ASSERT_VIOLATIONDATA_RACE (14 of 22 remaining) [2021-11-21 00:17:37,627 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (13 of 22 remaining) [2021-11-21 00:17:37,627 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (12 of 22 remaining) [2021-11-21 00:17:37,627 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (11 of 22 remaining) [2021-11-21 00:17:37,627 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (10 of 22 remaining) [2021-11-21 00:17:37,627 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (9 of 22 remaining) [2021-11-21 00:17:37,628 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (8 of 22 remaining) [2021-11-21 00:17:37,628 INFO L764 garLoopResultBuilder]: Registering result SAFE for location allocatorErr0ASSERT_VIOLATIONDATA_RACE (7 of 22 remaining) [2021-11-21 00:17:37,628 INFO L764 garLoopResultBuilder]: Registering result SAFE for location allocatorErr3ASSERT_VIOLATIONDATA_RACE (6 of 22 remaining) [2021-11-21 00:17:37,628 INFO L764 garLoopResultBuilder]: Registering result SAFE for location allocatorErr1ASSERT_VIOLATIONDATA_RACE (5 of 22 remaining) [2021-11-21 00:17:37,629 INFO L764 garLoopResultBuilder]: Registering result SAFE for location allocatorErr4ASSERT_VIOLATIONDATA_RACE (4 of 22 remaining) [2021-11-21 00:17:37,629 INFO L764 garLoopResultBuilder]: Registering result SAFE for location allocatorErr2ASSERT_VIOLATIONDATA_RACE (3 of 22 remaining) [2021-11-21 00:17:37,629 INFO L764 garLoopResultBuilder]: Registering result SAFE for location de_allocatorErr0ASSERT_VIOLATIONDATA_RACE (2 of 22 remaining) [2021-11-21 00:17:37,629 INFO L764 garLoopResultBuilder]: Registering result SAFE for location de_allocatorErr1ASSERT_VIOLATIONDATA_RACE (1 of 22 remaining) [2021-11-21 00:17:37,629 INFO L764 garLoopResultBuilder]: Registering result SAFE for location de_allocatorErr2ASSERT_VIOLATIONDATA_RACE (0 of 22 remaining) [2021-11-21 00:17:37,630 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-21 00:17:37,632 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:17:37,636 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-21 00:17:37,637 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-21 00:17:37,640 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 12:17:37 BasicIcfg [2021-11-21 00:17:37,640 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-21 00:17:37,641 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-21 00:17:37,641 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-21 00:17:37,641 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-21 00:17:37,641 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:17:29" (3/4) ... [2021-11-21 00:17:37,644 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-21 00:17:37,650 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure allocator [2021-11-21 00:17:37,650 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure de_allocator [2021-11-21 00:17:37,655 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2021-11-21 00:17:37,656 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-11-21 00:17:37,656 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-21 00:17:37,656 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-21 00:17:37,690 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8be591e4-de4a-497b-a86a-cab893eb4987/bin/utaipan-TEXQjIfE4P/witness.graphml [2021-11-21 00:17:37,690 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-21 00:17:37,691 INFO L158 Benchmark]: Toolchain (without parser) took 9307.28ms. Allocated memory was 86.0MB in the beginning and 125.8MB in the end (delta: 39.8MB). Free memory was 47.6MB in the beginning and 61.9MB in the end (delta: -14.3MB). Peak memory consumption was 25.5MB. Max. memory is 16.1GB. [2021-11-21 00:17:37,691 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 86.0MB. Free memory was 65.5MB in the beginning and 65.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 00:17:37,692 INFO L158 Benchmark]: CACSL2BoogieTranslator took 681.87ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 47.4MB in the beginning and 70.2MB in the end (delta: -22.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-21 00:17:37,692 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.50ms. Allocated memory is still 104.9MB. Free memory was 70.2MB in the beginning and 68.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 00:17:37,692 INFO L158 Benchmark]: Boogie Preprocessor took 56.81ms. Allocated memory is still 104.9MB. Free memory was 68.1MB in the beginning and 66.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 00:17:37,693 INFO L158 Benchmark]: RCFGBuilder took 576.93ms. Allocated memory is still 104.9MB. Free memory was 66.5MB in the beginning and 51.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-21 00:17:37,693 INFO L158 Benchmark]: TraceAbstraction took 7855.32ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 51.3MB in the beginning and 65.1MB in the end (delta: -13.8MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. [2021-11-21 00:17:37,694 INFO L158 Benchmark]: Witness Printer took 49.62ms. Allocated memory is still 125.8MB. Free memory was 64.0MB in the beginning and 61.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 00:17:37,696 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 86.0MB. Free memory was 65.5MB in the beginning and 65.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 681.87ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 47.4MB in the beginning and 70.2MB in the end (delta: -22.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.50ms. Allocated memory is still 104.9MB. Free memory was 70.2MB in the beginning and 68.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.81ms. Allocated memory is still 104.9MB. Free memory was 68.1MB in the beginning and 66.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 576.93ms. Allocated memory is still 104.9MB. Free memory was 66.5MB in the beginning and 51.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 7855.32ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 51.3MB in the beginning and 65.1MB in the end (delta: -13.8MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. * Witness Printer took 49.62ms. Allocated memory is still 125.8MB. Free memory was 64.0MB in the beginning and 61.9MB 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: 5.6s, 152 PlacesBefore, 52 PlacesAfterwards, 150 TransitionsBefore, 49 TransitionsAfterwards, 3906 CoEnabledTransitionPairs, 11 FixpointIterations, 62 TrivialSequentialCompositions, 71 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 9 ConcurrentYvCompositions, 1 ChoiceCompositions, 144 TotalNumberOfCompositions, 19235 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 9087, positive: 8452, positive conditional: 0, positive unconditional: 8452, negative: 635, negative conditional: 0, negative unconditional: 635, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3116, positive: 3042, positive conditional: 0, positive unconditional: 3042, negative: 74, negative conditional: 0, negative unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3116, positive: 2886, positive conditional: 0, positive unconditional: 2886, negative: 230, negative conditional: 0, negative unconditional: 230, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 230, positive: 156, positive conditional: 0, positive unconditional: 156, negative: 74, negative conditional: 0, negative unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 270, positive: 110, positive conditional: 0, positive unconditional: 110, negative: 160, negative conditional: 0, negative unconditional: 160, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 9087, positive: 5410, positive conditional: 0, positive unconditional: 5410, negative: 561, negative conditional: 0, negative unconditional: 561, unknown: 3116, unknown conditional: 0, unknown unconditional: 3116] , Statistics on independence cache: Total cache size (in pairs): 518, Positive cache size: 478, Positive conditional cache size: 0, Positive unconditional cache size: 478, Negative cache size: 40, Negative conditional cache size: 0, Negative unconditional cache size: 40 - 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: 695]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 701]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 697]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 702]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 699]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 708]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 709]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 710]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 717]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 717]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 722]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 723]: 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 5 procedures, 209 locations, 22 error locations. Started 1 CEGAR loops. OverallTime: 7.7s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.8s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 154 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 154 mSDsluCounter, 126 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 170 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 508 IncrementalHoareTripleChecker+Invalid, 518 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 91 mSDtfsCounter, 508 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=836occurred in iteration=0, InterpolantAutomatonStates: 26, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 274 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 83 NumberOfCodeBlocks, 83 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 74 ConstructedInterpolants, 0 QuantifiedInterpolants, 124 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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 12 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-11-21 00:17:37,739 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8be591e4-de4a-497b-a86a-cab893eb4987/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 Result: TRUE