./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/05-lval_ls_07-glob_fld_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ce7b9a1-7926-4324-b8bb-bfa22a5fd3b3/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ce7b9a1-7926-4324-b8bb-bfa22a5fd3b3/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ce7b9a1-7926-4324-b8bb-bfa22a5fd3b3/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ce7b9a1-7926-4324-b8bb-bfa22a5fd3b3/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/05-lval_ls_07-glob_fld_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ce7b9a1-7926-4324-b8bb-bfa22a5fd3b3/bin/utaipan-gh47qXpMRh/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ce7b9a1-7926-4324-b8bb-bfa22a5fd3b3/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4b10301f6f97c5435769d7b19a9e50d6b7ee8e52c2dd24af35f51d042843ff4c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 03:10:31,861 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 03:10:31,862 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 03:10:31,880 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 03:10:31,880 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 03:10:31,881 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 03:10:31,882 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 03:10:31,884 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 03:10:31,885 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 03:10:31,886 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 03:10:31,887 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 03:10:31,888 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 03:10:31,888 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 03:10:31,889 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 03:10:31,890 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 03:10:31,891 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 03:10:31,892 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 03:10:31,893 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 03:10:31,894 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 03:10:31,896 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 03:10:31,897 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 03:10:31,898 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 03:10:31,899 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 03:10:31,900 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 03:10:31,903 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 03:10:31,903 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 03:10:31,904 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 03:10:31,904 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 03:10:31,905 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 03:10:31,906 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 03:10:31,906 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 03:10:31,907 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 03:10:31,907 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 03:10:31,908 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 03:10:31,909 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 03:10:31,909 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 03:10:31,910 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 03:10:31,910 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 03:10:31,910 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 03:10:31,911 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 03:10:31,912 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 03:10:31,912 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ce7b9a1-7926-4324-b8bb-bfa22a5fd3b3/bin/utaipan-gh47qXpMRh/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-12-14 03:10:31,934 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 03:10:31,934 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 03:10:31,934 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 03:10:31,934 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 03:10:31,935 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 03:10:31,935 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 03:10:31,935 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 03:10:31,935 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 03:10:31,936 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 03:10:31,936 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 03:10:31,936 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 03:10:31,936 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 03:10:31,936 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 03:10:31,936 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 03:10:31,937 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 03:10:31,937 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 03:10:31,937 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 03:10:31,937 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 03:10:31,938 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 03:10:31,938 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 03:10:31,938 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 03:10:31,938 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 03:10:31,938 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 03:10:31,938 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 03:10:31,939 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 03:10:31,939 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 03:10:31,939 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 03:10:31,939 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-14 03:10:31,939 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 03:10:31,939 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 03:10:31,940 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 03:10:31,940 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 03:10:31,940 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 03:10:31,940 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 03:10:31,940 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 03:10:31,941 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 03:10:31,941 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 03:10:31,941 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 03:10:31,941 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 03:10:31,941 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 03:10:31,941 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 03:10:31,941 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 03:10:31,942 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 03:10:31,942 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ce7b9a1-7926-4324-b8bb-bfa22a5fd3b3/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ce7b9a1-7926-4324-b8bb-bfa22a5fd3b3/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b10301f6f97c5435769d7b19a9e50d6b7ee8e52c2dd24af35f51d042843ff4c [2022-12-14 03:10:32,121 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 03:10:32,137 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 03:10:32,140 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 03:10:32,141 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 03:10:32,142 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 03:10:32,143 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ce7b9a1-7926-4324-b8bb-bfa22a5fd3b3/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/goblint-regression/05-lval_ls_07-glob_fld_rc.i [2022-12-14 03:10:34,735 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 03:10:34,889 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 03:10:34,890 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ce7b9a1-7926-4324-b8bb-bfa22a5fd3b3/sv-benchmarks/c/goblint-regression/05-lval_ls_07-glob_fld_rc.i [2022-12-14 03:10:34,898 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ce7b9a1-7926-4324-b8bb-bfa22a5fd3b3/bin/utaipan-gh47qXpMRh/data/69beb5c50/0dc9b6e0f6694654bd0ef6b5cd4c8968/FLAGd37d9a1b4 [2022-12-14 03:10:34,908 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ce7b9a1-7926-4324-b8bb-bfa22a5fd3b3/bin/utaipan-gh47qXpMRh/data/69beb5c50/0dc9b6e0f6694654bd0ef6b5cd4c8968 [2022-12-14 03:10:34,910 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 03:10:34,911 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 03:10:34,912 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 03:10:34,912 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 03:10:34,915 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 03:10:34,915 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:10:34" (1/1) ... [2022-12-14 03:10:34,916 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41a92ba5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:10:34, skipping insertion in model container [2022-12-14 03:10:34,916 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:10:34" (1/1) ... [2022-12-14 03:10:34,921 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 03:10:34,944 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 03:10:35,133 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 03:10:35,140 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 03:10:35,168 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 03:10:35,187 INFO L208 MainTranslator]: Completed translation [2022-12-14 03:10:35,188 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:10:35 WrapperNode [2022-12-14 03:10:35,188 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 03:10:35,189 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 03:10:35,189 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 03:10:35,189 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 03:10:35,194 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:10:35" (1/1) ... [2022-12-14 03:10:35,204 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:10:35" (1/1) ... [2022-12-14 03:10:35,217 INFO L138 Inliner]: procedures = 161, calls = 14, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 39 [2022-12-14 03:10:35,217 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 03:10:35,218 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 03:10:35,218 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 03:10:35,218 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 03:10:35,224 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:10:35" (1/1) ... [2022-12-14 03:10:35,224 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:10:35" (1/1) ... [2022-12-14 03:10:35,226 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:10:35" (1/1) ... [2022-12-14 03:10:35,227 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:10:35" (1/1) ... [2022-12-14 03:10:35,232 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:10:35" (1/1) ... [2022-12-14 03:10:35,233 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:10:35" (1/1) ... [2022-12-14 03:10:35,234 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:10:35" (1/1) ... [2022-12-14 03:10:35,235 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:10:35" (1/1) ... [2022-12-14 03:10:35,236 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 03:10:35,237 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 03:10:35,237 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 03:10:35,237 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 03:10:35,237 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:10:35" (1/1) ... [2022-12-14 03:10:35,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 03:10:35,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ce7b9a1-7926-4324-b8bb-bfa22a5fd3b3/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 03:10:35,264 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ce7b9a1-7926-4324-b8bb-bfa22a5fd3b3/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 03:10:35,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ce7b9a1-7926-4324-b8bb-bfa22a5fd3b3/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 03:10:35,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 03:10:35,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 03:10:35,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 03:10:35,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 03:10:35,290 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-14 03:10:35,290 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-14 03:10:35,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 03:10:35,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 03:10:35,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 03:10:35,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 03:10:35,291 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-14 03:10:35,386 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 03:10:35,388 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 03:10:35,527 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 03:10:35,532 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 03:10:35,532 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 03:10:35,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:10:35 BoogieIcfgContainer [2022-12-14 03:10:35,534 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 03:10:35,544 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 03:10:35,544 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 03:10:35,547 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 03:10:35,547 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 03:10:34" (1/3) ... [2022-12-14 03:10:35,548 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c28d277 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 03:10:35, skipping insertion in model container [2022-12-14 03:10:35,548 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:10:35" (2/3) ... [2022-12-14 03:10:35,548 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c28d277 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 03:10:35, skipping insertion in model container [2022-12-14 03:10:35,548 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:10:35" (3/3) ... [2022-12-14 03:10:35,549 INFO L112 eAbstractionObserver]: Analyzing ICFG 05-lval_ls_07-glob_fld_rc.i [2022-12-14 03:10:35,556 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-14 03:10:35,564 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 03:10:35,564 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-12-14 03:10:35,564 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-14 03:10:35,615 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-14 03:10:35,640 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-14 03:10:35,652 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 71 places, 67 transitions, 139 flow [2022-12-14 03:10:35,654 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 71 places, 67 transitions, 139 flow [2022-12-14 03:10:35,655 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 71 places, 67 transitions, 139 flow [2022-12-14 03:10:35,687 INFO L130 PetriNetUnfolder]: 0/66 cut-off events. [2022-12-14 03:10:35,687 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-14 03:10:35,690 INFO L83 FinitePrefix]: Finished finitePrefix Result has 70 conditions, 66 events. 0/66 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 54 event pairs, 0 based on Foata normal form. 0/62 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2022-12-14 03:10:35,691 INFO L119 LiptonReduction]: Number of co-enabled transitions 1188 [2022-12-14 03:10:36,828 INFO L134 LiptonReduction]: Checked pairs total: 5518 [2022-12-14 03:10:36,828 INFO L136 LiptonReduction]: Total number of compositions: 36 [2022-12-14 03:10:36,836 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 35 places, 31 transitions, 67 flow [2022-12-14 03:10:36,861 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 226 states, 218 states have (on average 1.926605504587156) internal successors, (420), 225 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 03:10:36,875 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 03:10:36,879 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6b9fd07d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 03:10:36,879 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-12-14 03:10:36,881 INFO L276 IsEmpty]: Start isEmpty. Operand has 226 states, 218 states have (on average 1.926605504587156) internal successors, (420), 225 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 03:10:36,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 03:10:36,885 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 03:10:36,885 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 03:10:36,886 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-14 03:10:36,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 03:10:36,889 INFO L85 PathProgramCache]: Analyzing trace with hash 2119792062, now seen corresponding path program 1 times [2022-12-14 03:10:36,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 03:10:36,896 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491057502] [2022-12-14 03:10:36,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 03:10:36,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 03:10:37,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 03:10:37,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 03:10:37,340 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 03:10:37,340 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491057502] [2022-12-14 03:10:37,340 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1491057502] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 03:10:37,341 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 03:10:37,341 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 03:10:37,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84678332] [2022-12-14 03:10:37,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 03:10:37,345 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 03:10:37,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 03:10:37,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 03:10:37,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 03:10:37,366 INFO L87 Difference]: Start difference. First operand has 226 states, 218 states have (on average 1.926605504587156) internal successors, (420), 225 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 03:10:37,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 03:10:37,573 INFO L93 Difference]: Finished difference Result 383 states and 712 transitions. [2022-12-14 03:10:37,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 03:10:37,576 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-12-14 03:10:37,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 03:10:37,588 INFO L225 Difference]: With dead ends: 383 [2022-12-14 03:10:37,588 INFO L226 Difference]: Without dead ends: 383 [2022-12-14 03:10:37,589 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 03:10:37,592 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 40 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 216 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 03:10:37,593 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 12 Invalid, 266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 216 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 03:10:37,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2022-12-14 03:10:37,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 275. [2022-12-14 03:10:37,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 268 states have (on average 1.9477611940298507) internal successors, (522), 274 states have internal predecessors, (522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 03:10:37,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 522 transitions. [2022-12-14 03:10:37,636 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 522 transitions. Word has length 8 [2022-12-14 03:10:37,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 03:10:37,636 INFO L495 AbstractCegarLoop]: Abstraction has 275 states and 522 transitions. [2022-12-14 03:10:37,636 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 03:10:37,636 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 522 transitions. [2022-12-14 03:10:37,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 03:10:37,637 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 03:10:37,637 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 03:10:37,637 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 03:10:37,637 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-14 03:10:37,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 03:10:37,638 INFO L85 PathProgramCache]: Analyzing trace with hash -1828630671, now seen corresponding path program 1 times [2022-12-14 03:10:37,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 03:10:37,638 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081694220] [2022-12-14 03:10:37,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 03:10:37,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 03:10:37,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 03:10:37,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 03:10:37,860 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 03:10:37,860 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081694220] [2022-12-14 03:10:37,860 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081694220] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 03:10:37,860 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 03:10:37,861 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 03:10:37,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915853794] [2022-12-14 03:10:37,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 03:10:37,862 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 03:10:37,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 03:10:37,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 03:10:37,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 03:10:37,863 INFO L87 Difference]: Start difference. First operand 275 states and 522 transitions. Second operand has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 03:10:38,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 03:10:38,019 INFO L93 Difference]: Finished difference Result 377 states and 708 transitions. [2022-12-14 03:10:38,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 03:10:38,020 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-12-14 03:10:38,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 03:10:38,023 INFO L225 Difference]: With dead ends: 377 [2022-12-14 03:10:38,023 INFO L226 Difference]: Without dead ends: 362 [2022-12-14 03:10:38,023 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 03:10:38,024 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 20 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 03:10:38,025 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 16 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 03:10:38,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2022-12-14 03:10:38,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 313. [2022-12-14 03:10:38,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 306 states have (on average 1.9379084967320261) internal successors, (593), 312 states have internal predecessors, (593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 03:10:38,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 593 transitions. [2022-12-14 03:10:38,036 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 593 transitions. Word has length 14 [2022-12-14 03:10:38,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 03:10:38,037 INFO L495 AbstractCegarLoop]: Abstraction has 313 states and 593 transitions. [2022-12-14 03:10:38,037 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 03:10:38,037 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 593 transitions. [2022-12-14 03:10:38,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 03:10:38,038 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 03:10:38,038 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 03:10:38,038 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 03:10:38,038 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-14 03:10:38,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 03:10:38,038 INFO L85 PathProgramCache]: Analyzing trace with hash 1458038556, now seen corresponding path program 1 times [2022-12-14 03:10:38,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 03:10:38,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121391582] [2022-12-14 03:10:38,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 03:10:38,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 03:10:38,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 03:10:38,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 03:10:38,178 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 03:10:38,178 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121391582] [2022-12-14 03:10:38,178 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121391582] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 03:10:38,178 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 03:10:38,178 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 03:10:38,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150747881] [2022-12-14 03:10:38,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 03:10:38,179 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 03:10:38,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 03:10:38,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 03:10:38,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 03:10:38,180 INFO L87 Difference]: Start difference. First operand 313 states and 593 transitions. Second operand has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 03:10:38,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 03:10:38,346 INFO L93 Difference]: Finished difference Result 397 states and 735 transitions. [2022-12-14 03:10:38,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 03:10:38,347 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-12-14 03:10:38,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 03:10:38,349 INFO L225 Difference]: With dead ends: 397 [2022-12-14 03:10:38,349 INFO L226 Difference]: Without dead ends: 382 [2022-12-14 03:10:38,349 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 03:10:38,350 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 20 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 03:10:38,351 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 16 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 03:10:38,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2022-12-14 03:10:38,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 333. [2022-12-14 03:10:38,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 333 states, 326 states have (on average 1.8957055214723926) internal successors, (618), 332 states have internal predecessors, (618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 03:10:38,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 618 transitions. [2022-12-14 03:10:38,366 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 618 transitions. Word has length 14 [2022-12-14 03:10:38,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 03:10:38,366 INFO L495 AbstractCegarLoop]: Abstraction has 333 states and 618 transitions. [2022-12-14 03:10:38,366 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 03:10:38,366 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 618 transitions. [2022-12-14 03:10:38,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 03:10:38,367 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 03:10:38,367 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 03:10:38,368 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 03:10:38,368 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-14 03:10:38,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 03:10:38,368 INFO L85 PathProgramCache]: Analyzing trace with hash -1093185595, now seen corresponding path program 1 times [2022-12-14 03:10:38,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 03:10:38,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221024509] [2022-12-14 03:10:38,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 03:10:38,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 03:10:38,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 03:10:38,385 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 03:10:38,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 03:10:38,412 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-12-14 03:10:38,413 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 03:10:38,414 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2022-12-14 03:10:38,416 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2022-12-14 03:10:38,416 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (4 of 7 remaining) [2022-12-14 03:10:38,416 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 7 remaining) [2022-12-14 03:10:38,416 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2022-12-14 03:10:38,416 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2022-12-14 03:10:38,417 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2022-12-14 03:10:38,417 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 03:10:38,419 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-12-14 03:10:38,425 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-14 03:10:38,425 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 03:10:38,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 03:10:38 BasicIcfg [2022-12-14 03:10:38,447 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 03:10:38,448 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 03:10:38,448 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 03:10:38,448 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 03:10:38,449 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:10:35" (3/4) ... [2022-12-14 03:10:38,451 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-14 03:10:38,451 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 03:10:38,452 INFO L158 Benchmark]: Toolchain (without parser) took 3540.81ms. Allocated memory was 121.6MB in the beginning and 146.8MB in the end (delta: 25.2MB). Free memory was 86.4MB in the beginning and 55.9MB in the end (delta: 30.5MB). Peak memory consumption was 57.7MB. Max. memory is 16.1GB. [2022-12-14 03:10:38,452 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 121.6MB. Free memory is still 93.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 03:10:38,452 INFO L158 Benchmark]: CACSL2BoogieTranslator took 276.26ms. Allocated memory is still 121.6MB. Free memory was 86.4MB in the beginning and 67.9MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-14 03:10:38,453 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.03ms. Allocated memory is still 121.6MB. Free memory was 67.9MB in the beginning and 65.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 03:10:38,453 INFO L158 Benchmark]: Boogie Preprocessor took 18.26ms. Allocated memory is still 121.6MB. Free memory was 65.8MB in the beginning and 64.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 03:10:38,453 INFO L158 Benchmark]: RCFGBuilder took 297.34ms. Allocated memory is still 121.6MB. Free memory was 64.4MB in the beginning and 51.1MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-14 03:10:38,454 INFO L158 Benchmark]: TraceAbstraction took 2903.48ms. Allocated memory was 121.6MB in the beginning and 146.8MB in the end (delta: 25.2MB). Free memory was 93.3MB in the beginning and 55.9MB in the end (delta: 37.4MB). Peak memory consumption was 60.5MB. Max. memory is 16.1GB. [2022-12-14 03:10:38,454 INFO L158 Benchmark]: Witness Printer took 3.37ms. Allocated memory is still 146.8MB. Free memory is still 55.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 03:10:38,455 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 121.6MB. Free memory is still 93.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 276.26ms. Allocated memory is still 121.6MB. Free memory was 86.4MB in the beginning and 67.9MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.03ms. Allocated memory is still 121.6MB. Free memory was 67.9MB in the beginning and 65.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.26ms. Allocated memory is still 121.6MB. Free memory was 65.8MB in the beginning and 64.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 297.34ms. Allocated memory is still 121.6MB. Free memory was 64.4MB in the beginning and 51.1MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 2903.48ms. Allocated memory was 121.6MB in the beginning and 146.8MB in the end (delta: 25.2MB). Free memory was 93.3MB in the beginning and 55.9MB in the end (delta: 37.4MB). Peak memory consumption was 60.5MB. Max. memory is 16.1GB. * Witness Printer took 3.37ms. Allocated memory is still 146.8MB. Free memory is still 55.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.2s, 71 PlacesBefore, 35 PlacesAfterwards, 67 TransitionsBefore, 31 TransitionsAfterwards, 1188 CoEnabledTransitionPairs, 5 FixpointIterations, 15 TrivialSequentialCompositions, 21 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 36 TotalNumberOfCompositions, 5518 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1812, independent: 1506, independent conditional: 0, independent unconditional: 1506, dependent: 306, dependent conditional: 0, dependent unconditional: 306, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 721, independent: 645, independent conditional: 0, independent unconditional: 645, dependent: 76, dependent conditional: 0, dependent unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 721, independent: 566, independent conditional: 0, independent unconditional: 566, dependent: 155, dependent conditional: 0, dependent unconditional: 155, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 155, independent: 79, independent conditional: 0, independent unconditional: 79, dependent: 76, dependent conditional: 0, dependent unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 278, independent: 122, independent conditional: 0, independent unconditional: 122, dependent: 156, dependent conditional: 0, dependent unconditional: 156, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1812, independent: 861, independent conditional: 0, independent unconditional: 861, dependent: 230, dependent conditional: 0, dependent unconditional: 230, unknown: 721, unknown conditional: 0, unknown unconditional: 721] , Statistics on independence cache: Total cache size (in pairs): 201, Positive cache size: 145, Positive conditional cache size: 0, Positive unconditional cache size: 145, Negative cache size: 56, Negative conditional cache size: 0, Negative unconditional cache size: 56, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - DataRaceFoundResult [Line: 684]: Data race detected Data race detected The following path leads to a data race: [L679-L682] 0 struct { int x; int y; } data; [L688] 0 pthread_t id; [L689] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, data={1:0}, id={5:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L684] EXPR 1 data.x VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=0] [L684] 1 data.x++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=0] [L690] EXPR 0 data.x VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=0, data.x=0, id={5:0}] [L690] 0 data.x++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=0, data.x=0, id={5:0}] [L684] 1 data.x++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=0] [L690] 0 data.x++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=0, data.x=0, data.x++=0, data.x++=9, id={5:0}] [L684] 1 data.x++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=0] Now there is a data race (on the heap) between C: data.x++ [690] and C: data.x++ [684] - UnprovableResult [Line: 690]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 690]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 689]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 684]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 92 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 2.8s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 80 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 80 mSDsluCounter, 44 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 93 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 616 IncrementalHoareTripleChecker+Invalid, 709 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 93 mSolverCounterUnsat, 44 mSDtfsCounter, 616 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=333occurred in iteration=3, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 206 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 52 NumberOfCodeBlocks, 52 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 33 ConstructedInterpolants, 0 QuantifiedInterpolants, 276 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-12-14 03:10:38,481 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ce7b9a1-7926-4324-b8bb-bfa22a5fd3b3/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE