./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/00-sanity_09-include.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d769d4d4-4fc5-4964-9b33-2fbf8ade3b41/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d769d4d4-4fc5-4964-9b33-2fbf8ade3b41/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_d769d4d4-4fc5-4964-9b33-2fbf8ade3b41/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d769d4d4-4fc5-4964-9b33-2fbf8ade3b41/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/00-sanity_09-include.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d769d4d4-4fc5-4964-9b33-2fbf8ade3b41/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_d769d4d4-4fc5-4964-9b33-2fbf8ade3b41/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 307d63abfae79cdd61ed4daf9d81bc4d48dc48683ca873101296e7e9a62177df --- 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 03:05:54,169 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 03:05:54,170 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 03:05:54,183 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 03:05:54,184 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 03:05:54,184 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 03:05:54,185 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 03:05:54,186 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 03:05:54,187 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 03:05:54,188 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 03:05:54,188 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 03:05:54,189 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 03:05:54,190 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 03:05:54,190 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 03:05:54,191 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 03:05:54,192 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 03:05:54,192 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 03:05:54,193 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 03:05:54,194 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 03:05:54,195 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 03:05:54,196 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 03:05:54,197 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 03:05:54,198 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 03:05:54,198 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 03:05:54,201 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 03:05:54,201 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 03:05:54,201 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 03:05:54,202 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 03:05:54,202 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 03:05:54,203 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 03:05:54,203 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 03:05:54,204 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 03:05:54,204 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 03:05:54,205 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 03:05:54,206 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 03:05:54,206 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 03:05:54,206 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 03:05:54,206 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 03:05:54,207 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 03:05:54,207 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 03:05:54,208 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 03:05:54,208 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d769d4d4-4fc5-4964-9b33-2fbf8ade3b41/bin/utaipan-gh47qXpMRh/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-12-14 03:05:54,226 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 03:05:54,226 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 03:05:54,226 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 03:05:54,226 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 03:05:54,227 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 03:05:54,227 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 03:05:54,227 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 03:05:54,227 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 03:05:54,227 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 03:05:54,227 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 03:05:54,227 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 03:05:54,228 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 03:05:54,228 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 03:05:54,228 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 03:05:54,228 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 03:05:54,228 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 03:05:54,228 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 03:05:54,228 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 03:05:54,229 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 03:05:54,229 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 03:05:54,229 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 03:05:54,229 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 03:05:54,229 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 03:05:54,229 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 03:05:54,229 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 03:05:54,230 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 03:05:54,230 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 03:05:54,230 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-14 03:05:54,230 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 03:05:54,230 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 03:05:54,230 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 03:05:54,230 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 03:05:54,230 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 03:05:54,231 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 03:05:54,231 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 03:05:54,231 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 03:05:54,231 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 03:05:54,231 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 03:05:54,231 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 03:05:54,231 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 03:05:54,231 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 03:05:54,231 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 03:05:54,232 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 03:05:54,232 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_d769d4d4-4fc5-4964-9b33-2fbf8ade3b41/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d769d4d4-4fc5-4964-9b33-2fbf8ade3b41/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 307d63abfae79cdd61ed4daf9d81bc4d48dc48683ca873101296e7e9a62177df [2022-12-14 03:05:54,398 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 03:05:54,417 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 03:05:54,419 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 03:05:54,419 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 03:05:54,420 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 03:05:54,421 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d769d4d4-4fc5-4964-9b33-2fbf8ade3b41/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/goblint-regression/00-sanity_09-include.i [2022-12-14 03:05:57,108 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 03:05:57,307 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 03:05:57,307 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d769d4d4-4fc5-4964-9b33-2fbf8ade3b41/sv-benchmarks/c/goblint-regression/00-sanity_09-include.i [2022-12-14 03:05:57,317 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d769d4d4-4fc5-4964-9b33-2fbf8ade3b41/bin/utaipan-gh47qXpMRh/data/d00f3f1d3/e98ca8db54af41a2ba2ecd22ad35b587/FLAG7ab5597ce [2022-12-14 03:05:57,328 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d769d4d4-4fc5-4964-9b33-2fbf8ade3b41/bin/utaipan-gh47qXpMRh/data/d00f3f1d3/e98ca8db54af41a2ba2ecd22ad35b587 [2022-12-14 03:05:57,330 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 03:05:57,331 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 03:05:57,332 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 03:05:57,332 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 03:05:57,334 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 03:05:57,335 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:05:57" (1/1) ... [2022-12-14 03:05:57,336 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f7a6ad4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:05:57, skipping insertion in model container [2022-12-14 03:05:57,336 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:05:57" (1/1) ... [2022-12-14 03:05:57,341 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 03:05:57,369 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 03:05:57,634 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 03:05:57,644 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 03:05:57,669 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 03:05:57,702 INFO L208 MainTranslator]: Completed translation [2022-12-14 03:05:57,712 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:05:57 WrapperNode [2022-12-14 03:05:57,713 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 03:05:57,714 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 03:05:57,715 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 03:05:57,715 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 03:05:57,722 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:05:57" (1/1) ... [2022-12-14 03:05:57,734 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:05:57" (1/1) ... [2022-12-14 03:05:57,748 INFO L138 Inliner]: procedures = 264, calls = 14, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 35 [2022-12-14 03:05:57,749 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 03:05:57,750 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 03:05:57,750 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 03:05:57,750 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 03:05:57,758 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:05:57" (1/1) ... [2022-12-14 03:05:57,758 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:05:57" (1/1) ... [2022-12-14 03:05:57,760 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:05:57" (1/1) ... [2022-12-14 03:05:57,761 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:05:57" (1/1) ... [2022-12-14 03:05:57,763 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:05:57" (1/1) ... [2022-12-14 03:05:57,764 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:05:57" (1/1) ... [2022-12-14 03:05:57,765 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:05:57" (1/1) ... [2022-12-14 03:05:57,766 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:05:57" (1/1) ... [2022-12-14 03:05:57,767 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 03:05:57,768 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 03:05:57,768 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 03:05:57,768 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 03:05:57,769 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:05:57" (1/1) ... [2022-12-14 03:05:57,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 03:05:57,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d769d4d4-4fc5-4964-9b33-2fbf8ade3b41/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 03:05:57,791 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d769d4d4-4fc5-4964-9b33-2fbf8ade3b41/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 03:05:57,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d769d4d4-4fc5-4964-9b33-2fbf8ade3b41/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 03:05:57,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 03:05:57,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 03:05:57,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 03:05:57,824 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-14 03:05:57,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 03:05:57,824 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-14 03:05:57,824 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-14 03:05:57,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 03:05:57,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 03:05:57,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 03:05:57,826 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 03:05:57,922 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 03:05:57,923 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 03:05:58,007 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 03:05:58,012 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 03:05:58,012 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 03:05:58,014 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:05:58 BoogieIcfgContainer [2022-12-14 03:05:58,014 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 03:05:58,017 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 03:05:58,017 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 03:05:58,020 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 03:05:58,020 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 03:05:57" (1/3) ... [2022-12-14 03:05:58,020 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fb2d2cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 03:05:58, skipping insertion in model container [2022-12-14 03:05:58,020 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:05:57" (2/3) ... [2022-12-14 03:05:58,021 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fb2d2cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 03:05:58, skipping insertion in model container [2022-12-14 03:05:58,021 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:05:58" (3/3) ... [2022-12-14 03:05:58,022 INFO L112 eAbstractionObserver]: Analyzing ICFG 00-sanity_09-include.i [2022-12-14 03:05:58,030 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-14 03:05:58,038 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 03:05:58,038 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-12-14 03:05:58,039 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-14 03:05:58,077 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-14 03:05:58,109 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-14 03:05:58,124 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 62 places, 58 transitions, 121 flow [2022-12-14 03:05:58,126 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 62 places, 58 transitions, 121 flow [2022-12-14 03:05:58,128 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 62 places, 58 transitions, 121 flow [2022-12-14 03:05:58,155 INFO L130 PetriNetUnfolder]: 0/57 cut-off events. [2022-12-14 03:05:58,155 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-14 03:05:58,158 INFO L83 FinitePrefix]: Finished finitePrefix Result has 61 conditions, 57 events. 0/57 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 42 event pairs, 0 based on Foata normal form. 0/53 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2022-12-14 03:05:58,159 INFO L119 LiptonReduction]: Number of co-enabled transitions 646 [2022-12-14 03:05:59,157 INFO L134 LiptonReduction]: Checked pairs total: 1853 [2022-12-14 03:05:59,157 INFO L136 LiptonReduction]: Total number of compositions: 39 [2022-12-14 03:05:59,164 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 23 places, 19 transitions, 43 flow [2022-12-14 03:05:59,176 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 82 states, 74 states have (on average 1.945945945945946) internal successors, (144), 81 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 03:05:59,188 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 03:05:59,193 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;@7449aae0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 03:05:59,193 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-12-14 03:05:59,194 INFO L276 IsEmpty]: Start isEmpty. Operand has 82 states, 74 states have (on average 1.945945945945946) internal successors, (144), 81 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 03:05:59,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 03:05:59,199 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 03:05:59,200 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-12-14 03:05:59,200 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 03:05:59,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 03:05:59,205 INFO L85 PathProgramCache]: Analyzing trace with hash 6211311, now seen corresponding path program 1 times [2022-12-14 03:05:59,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 03:05:59,215 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663560607] [2022-12-14 03:05:59,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 03:05:59,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 03:05:59,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 03:05:59,365 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 03:05:59,365 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 03:05:59,365 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663560607] [2022-12-14 03:05:59,366 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [663560607] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 03:05:59,366 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 03:05:59,366 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 03:05:59,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325432636] [2022-12-14 03:05:59,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 03:05:59,370 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 03:05:59,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 03:05:59,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 03:05:59,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 03:05:59,387 INFO L87 Difference]: Start difference. First operand has 82 states, 74 states have (on average 1.945945945945946) internal successors, (144), 81 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 03:05:59,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 03:05:59,420 INFO L93 Difference]: Finished difference Result 95 states and 162 transitions. [2022-12-14 03:05:59,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 03:05:59,422 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-12-14 03:05:59,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 03:05:59,428 INFO L225 Difference]: With dead ends: 95 [2022-12-14 03:05:59,429 INFO L226 Difference]: Without dead ends: 95 [2022-12-14 03:05:59,429 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 03:05:59,431 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 10 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 03:05:59,432 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 11 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 03:05:59,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2022-12-14 03:05:59,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 77. [2022-12-14 03:05:59,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 70 states have (on average 1.8857142857142857) internal successors, (132), 76 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 03:05:59,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 132 transitions. [2022-12-14 03:05:59,457 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 132 transitions. Word has length 4 [2022-12-14 03:05:59,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 03:05:59,458 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 132 transitions. [2022-12-14 03:05:59,458 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 03:05:59,458 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 132 transitions. [2022-12-14 03:05:59,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 03:05:59,458 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 03:05:59,458 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 03:05:59,459 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 03:05:59,459 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 03:05:59,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 03:05:59,459 INFO L85 PathProgramCache]: Analyzing trace with hash -1795460056, now seen corresponding path program 1 times [2022-12-14 03:05:59,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 03:05:59,460 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275967622] [2022-12-14 03:05:59,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 03:05:59,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 03:05:59,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 03:05:59,499 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 03:05:59,499 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 03:05:59,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275967622] [2022-12-14 03:05:59,499 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275967622] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 03:05:59,499 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 03:05:59,499 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 03:05:59,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522008037] [2022-12-14 03:05:59,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 03:05:59,500 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 03:05:59,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 03:05:59,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 03:05:59,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 03:05:59,501 INFO L87 Difference]: Start difference. First operand 77 states and 132 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 03:05:59,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 03:05:59,521 INFO L93 Difference]: Finished difference Result 80 states and 136 transitions. [2022-12-14 03:05:59,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 03:05:59,522 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-12-14 03:05:59,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 03:05:59,522 INFO L225 Difference]: With dead ends: 80 [2022-12-14 03:05:59,522 INFO L226 Difference]: Without dead ends: 74 [2022-12-14 03:05:59,523 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 03:05:59,523 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 6 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 03:05:59,524 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 14 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 03:05:59,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2022-12-14 03:05:59,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2022-12-14 03:05:59,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 68 states have (on average 1.8235294117647058) internal successors, (124), 73 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 03:05:59,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 124 transitions. [2022-12-14 03:05:59,529 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 124 transitions. Word has length 8 [2022-12-14 03:05:59,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 03:05:59,529 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 124 transitions. [2022-12-14 03:05:59,529 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 03:05:59,529 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 124 transitions. [2022-12-14 03:05:59,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 03:05:59,530 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 03:05:59,530 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 03:05:59,530 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 03:05:59,530 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 03:05:59,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 03:05:59,530 INFO L85 PathProgramCache]: Analyzing trace with hash -2038260105, now seen corresponding path program 1 times [2022-12-14 03:05:59,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 03:05:59,531 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100612882] [2022-12-14 03:05:59,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 03:05:59,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 03:05:59,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 03:05:59,564 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 03:05:59,564 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 03:05:59,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100612882] [2022-12-14 03:05:59,565 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1100612882] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 03:05:59,565 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 03:05:59,565 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 03:05:59,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946509194] [2022-12-14 03:05:59,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 03:05:59,565 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 03:05:59,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 03:05:59,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 03:05:59,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 03:05:59,566 INFO L87 Difference]: Start difference. First operand 74 states and 124 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 03:05:59,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 03:05:59,587 INFO L93 Difference]: Finished difference Result 73 states and 117 transitions. [2022-12-14 03:05:59,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 03:05:59,587 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-12-14 03:05:59,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 03:05:59,588 INFO L225 Difference]: With dead ends: 73 [2022-12-14 03:05:59,588 INFO L226 Difference]: Without dead ends: 67 [2022-12-14 03:05:59,588 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 03:05:59,589 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 6 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 03:05:59,589 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 14 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 03:05:59,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2022-12-14 03:05:59,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2022-12-14 03:05:59,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 63 states have (on average 1.619047619047619) internal successors, (102), 66 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 03:05:59,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 102 transitions. [2022-12-14 03:05:59,594 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 102 transitions. Word has length 8 [2022-12-14 03:05:59,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 03:05:59,594 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 102 transitions. [2022-12-14 03:05:59,594 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 03:05:59,594 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 102 transitions. [2022-12-14 03:05:59,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 03:05:59,595 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 03:05:59,595 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 03:05:59,595 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 03:05:59,595 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-14 03:05:59,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 03:05:59,596 INFO L85 PathProgramCache]: Analyzing trace with hash 175342947, now seen corresponding path program 1 times [2022-12-14 03:05:59,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 03:05:59,596 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585276995] [2022-12-14 03:05:59,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 03:05:59,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 03:05:59,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 03:05:59,612 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 03:05:59,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 03:05:59,632 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-12-14 03:05:59,633 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 03:05:59,634 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2022-12-14 03:05:59,635 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2022-12-14 03:05:59,635 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2022-12-14 03:05:59,635 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2022-12-14 03:05:59,635 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2022-12-14 03:05:59,636 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2022-12-14 03:05:59,636 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2022-12-14 03:05:59,636 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 03:05:59,637 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-12-14 03:05:59,642 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-14 03:05:59,643 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 03:05:59,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 03:05:59 BasicIcfg [2022-12-14 03:05:59,662 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 03:05:59,663 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 03:05:59,663 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 03:05:59,663 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 03:05:59,664 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:05:58" (3/4) ... [2022-12-14 03:05:59,666 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-14 03:05:59,666 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 03:05:59,667 INFO L158 Benchmark]: Toolchain (without parser) took 2336.28ms. Allocated memory was 113.2MB in the beginning and 159.4MB in the end (delta: 46.1MB). Free memory was 78.6MB in the beginning and 87.6MB in the end (delta: -9.1MB). Peak memory consumption was 38.7MB. Max. memory is 16.1GB. [2022-12-14 03:05:59,667 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 113.2MB. Free memory is still 87.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 03:05:59,668 INFO L158 Benchmark]: CACSL2BoogieTranslator took 382.20ms. Allocated memory was 113.2MB in the beginning and 159.4MB in the end (delta: 46.1MB). Free memory was 78.6MB in the beginning and 131.0MB in the end (delta: -52.4MB). Peak memory consumption was 33.4MB. Max. memory is 16.1GB. [2022-12-14 03:05:59,668 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.67ms. Allocated memory is still 159.4MB. Free memory was 131.0MB in the beginning and 129.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 03:05:59,668 INFO L158 Benchmark]: Boogie Preprocessor took 17.75ms. Allocated memory is still 159.4MB. Free memory was 129.0MB in the beginning and 127.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 03:05:59,669 INFO L158 Benchmark]: RCFGBuilder took 246.38ms. Allocated memory is still 159.4MB. Free memory was 127.8MB in the beginning and 115.8MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-14 03:05:59,669 INFO L158 Benchmark]: TraceAbstraction took 1645.51ms. Allocated memory is still 159.4MB. Free memory was 115.2MB in the beginning and 87.6MB in the end (delta: 27.6MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. [2022-12-14 03:05:59,669 INFO L158 Benchmark]: Witness Printer took 3.54ms. Allocated memory is still 159.4MB. Free memory is still 87.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 03:05:59,671 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 113.2MB. Free memory is still 87.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 382.20ms. Allocated memory was 113.2MB in the beginning and 159.4MB in the end (delta: 46.1MB). Free memory was 78.6MB in the beginning and 131.0MB in the end (delta: -52.4MB). Peak memory consumption was 33.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.67ms. Allocated memory is still 159.4MB. Free memory was 131.0MB in the beginning and 129.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.75ms. Allocated memory is still 159.4MB. Free memory was 129.0MB in the beginning and 127.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 246.38ms. Allocated memory is still 159.4MB. Free memory was 127.8MB in the beginning and 115.8MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1645.51ms. Allocated memory is still 159.4MB. Free memory was 115.2MB in the beginning and 87.6MB in the end (delta: 27.6MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. * Witness Printer took 3.54ms. Allocated memory is still 159.4MB. Free memory is still 87.6MB. 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: 1.0s, 62 PlacesBefore, 23 PlacesAfterwards, 58 TransitionsBefore, 19 TransitionsAfterwards, 646 CoEnabledTransitionPairs, 5 FixpointIterations, 19 TrivialSequentialCompositions, 20 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 39 TotalNumberOfCompositions, 1853 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 958, independent: 805, independent conditional: 0, independent unconditional: 805, dependent: 153, dependent conditional: 0, dependent unconditional: 153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 471, independent: 426, independent conditional: 0, independent unconditional: 426, dependent: 45, dependent conditional: 0, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 471, independent: 420, independent conditional: 0, independent unconditional: 420, dependent: 51, dependent conditional: 0, dependent unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 51, independent: 6, independent conditional: 0, independent unconditional: 6, dependent: 45, dependent conditional: 0, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 74, independent: 12, independent conditional: 0, independent unconditional: 12, dependent: 63, dependent conditional: 0, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 958, independent: 379, independent conditional: 0, independent unconditional: 379, dependent: 108, dependent conditional: 0, dependent unconditional: 108, unknown: 471, unknown conditional: 0, unknown unconditional: 471] , Statistics on independence cache: Total cache size (in pairs): 85, Positive cache size: 63, Positive conditional cache size: 0, Positive unconditional cache size: 63, Negative cache size: 22, Negative conditional cache size: 0, Negative unconditional cache size: 22, 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: 998]: Data race detected Data race detected The following path leads to a data race: [L987] 0 int glob; [L988] 0 pthread_mutex_t mutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L996] 0 pthread_t id; [L997] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, glob=0, id={2:0}, mutex={1:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L991] 1 glob++ VAL [arg={0:0}, arg={0:0}, glob=1, glob++=0, mutex={1:0}] [L998] 0 glob++ VAL [arg={0:0}, arg={0:0}, glob=1, glob++=0, id={2:0}, mutex={1:0}] [L991] 1 glob++ VAL [arg={0:0}, arg={0:0}, glob=1, glob++=25, glob++=0, mutex={1:0}] [L998] 0 glob++ VAL [arg={0:0}, arg={0:0}, glob=1, glob++=25, glob++=0, id={2:0}, mutex={1:0}] Now there is a data race on ~glob~0 between C: glob++ [991] and C: glob++ [998] - UnprovableResult [Line: 998]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 997]: 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: 991]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 991]: 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, 78 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 22 mSDsluCounter, 39 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 87 IncrementalHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 30 mSDtfsCounter, 87 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=82occurred in iteration=0, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 18 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 29 NumberOfCodeBlocks, 29 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 23 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-12-14 03:05:59,696 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d769d4d4-4fc5-4964-9b33-2fbf8ade3b41/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