./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/ldv-races/race-2_4b-container_of.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b5237d83 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_b0e55594-7df7-4438-a23f-58ee27875715/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e55594-7df7-4438-a23f-58ee27875715/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e55594-7df7-4438-a23f-58ee27875715/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e55594-7df7-4438-a23f-58ee27875715/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-races/race-2_4b-container_of.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e55594-7df7-4438-a23f-58ee27875715/bin/utaipan-g80aRyZoba/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e55594-7df7-4438-a23f-58ee27875715/bin/utaipan-g80aRyZoba --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 8f4adc43eff830ee200b36b07e15685018060503e2d6c20244b9969143d92143 --- 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-b5237d8 [2022-11-22 01:20:57,716 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 01:20:57,719 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 01:20:57,770 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 01:20:57,771 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 01:20:57,772 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 01:20:57,774 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 01:20:57,776 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 01:20:57,783 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 01:20:57,790 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 01:20:57,792 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 01:20:57,796 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 01:20:57,796 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 01:20:57,800 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 01:20:57,804 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 01:20:57,807 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 01:20:57,809 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 01:20:57,810 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 01:20:57,811 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 01:20:57,820 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 01:20:57,821 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 01:20:57,824 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 01:20:57,826 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 01:20:57,827 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 01:20:57,842 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 01:20:57,842 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 01:20:57,843 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 01:20:57,844 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 01:20:57,845 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 01:20:57,846 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 01:20:57,846 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 01:20:57,847 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 01:20:57,848 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 01:20:57,849 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 01:20:57,850 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 01:20:57,851 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 01:20:57,851 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 01:20:57,852 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 01:20:57,852 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 01:20:57,857 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 01:20:57,860 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 01:20:57,861 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e55594-7df7-4438-a23f-58ee27875715/bin/utaipan-g80aRyZoba/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-22 01:20:57,915 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 01:20:57,915 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 01:20:57,916 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 01:20:57,916 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 01:20:57,917 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 01:20:57,918 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 01:20:57,918 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 01:20:57,918 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 01:20:57,918 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 01:20:57,919 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 01:20:57,920 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 01:20:57,920 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 01:20:57,921 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 01:20:57,921 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 01:20:57,921 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 01:20:57,921 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 01:20:57,921 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 01:20:57,922 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 01:20:57,923 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 01:20:57,923 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-22 01:20:57,923 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 01:20:57,924 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 01:20:57,924 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-22 01:20:57,924 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 01:20:57,924 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 01:20:57,924 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 01:20:57,925 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 01:20:57,926 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-22 01:20:57,926 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-22 01:20:57,926 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 01:20:57,927 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 01:20:57,927 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 01:20:57,927 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 01:20:57,927 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 01:20:57,928 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:20:57,928 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 01:20:57,928 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 01:20:57,929 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 01:20:57,929 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 01:20:57,929 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 01:20:57,930 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 01:20:57,930 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 01:20:57,930 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 01:20:57,930 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_b0e55594-7df7-4438-a23f-58ee27875715/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e55594-7df7-4438-a23f-58ee27875715/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8f4adc43eff830ee200b36b07e15685018060503e2d6c20244b9969143d92143 [2022-11-22 01:20:58,329 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 01:20:58,370 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 01:20:58,373 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 01:20:58,375 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 01:20:58,375 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 01:20:58,377 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e55594-7df7-4438-a23f-58ee27875715/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/ldv-races/race-2_4b-container_of.i [2022-11-22 01:21:02,136 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 01:21:02,565 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 01:21:02,566 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e55594-7df7-4438-a23f-58ee27875715/sv-benchmarks/c/ldv-races/race-2_4b-container_of.i [2022-11-22 01:21:02,593 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e55594-7df7-4438-a23f-58ee27875715/bin/utaipan-g80aRyZoba/data/b8f0743d5/4fb38d12678845b79667b5a6cfd2b56f/FLAGe43425b81 [2022-11-22 01:21:02,614 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e55594-7df7-4438-a23f-58ee27875715/bin/utaipan-g80aRyZoba/data/b8f0743d5/4fb38d12678845b79667b5a6cfd2b56f [2022-11-22 01:21:02,618 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 01:21:02,620 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 01:21:02,622 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 01:21:02,622 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 01:21:02,627 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 01:21:02,628 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:21:02" (1/1) ... [2022-11-22 01:21:02,629 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50e56522 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:21:02, skipping insertion in model container [2022-11-22 01:21:02,630 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:21:02" (1/1) ... [2022-11-22 01:21:02,640 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 01:21:02,728 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 01:21:03,728 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e55594-7df7-4438-a23f-58ee27875715/sv-benchmarks/c/ldv-races/race-2_4b-container_of.i[76077,76090] [2022-11-22 01:21:03,799 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:21:03,812 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 01:21:03,866 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e55594-7df7-4438-a23f-58ee27875715/sv-benchmarks/c/ldv-races/race-2_4b-container_of.i[76077,76090] [2022-11-22 01:21:03,896 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:21:04,061 INFO L208 MainTranslator]: Completed translation [2022-11-22 01:21:04,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:21:04 WrapperNode [2022-11-22 01:21:04,062 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 01:21:04,064 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 01:21:04,065 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 01:21:04,065 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 01:21:04,076 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:21:04" (1/1) ... [2022-11-22 01:21:04,148 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:21:04" (1/1) ... [2022-11-22 01:21:04,203 INFO L138 Inliner]: procedures = 482, calls = 48, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 217 [2022-11-22 01:21:04,203 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 01:21:04,204 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 01:21:04,204 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 01:21:04,205 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 01:21:04,217 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:21:04" (1/1) ... [2022-11-22 01:21:04,218 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:21:04" (1/1) ... [2022-11-22 01:21:04,224 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:21:04" (1/1) ... [2022-11-22 01:21:04,234 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:21:04" (1/1) ... [2022-11-22 01:21:04,285 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:21:04" (1/1) ... [2022-11-22 01:21:04,288 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:21:04" (1/1) ... [2022-11-22 01:21:04,306 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:21:04" (1/1) ... [2022-11-22 01:21:04,310 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:21:04" (1/1) ... [2022-11-22 01:21:04,325 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 01:21:04,326 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 01:21:04,326 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 01:21:04,327 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 01:21:04,329 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:21:04" (1/1) ... [2022-11-22 01:21:04,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:21:04,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e55594-7df7-4438-a23f-58ee27875715/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:21:04,401 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e55594-7df7-4438-a23f-58ee27875715/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 01:21:04,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e55594-7df7-4438-a23f-58ee27875715/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 01:21:04,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 01:21:04,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 01:21:04,463 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-22 01:21:04,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 01:21:04,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-22 01:21:04,464 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 01:21:04,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 01:21:04,464 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2022-11-22 01:21:04,465 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2022-11-22 01:21:04,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 01:21:04,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 01:21:04,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 01:21:04,467 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-22 01:21:04,948 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 01:21:04,951 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 01:21:05,565 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 01:21:05,577 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 01:21:05,578 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-22 01:21:05,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:21:05 BoogieIcfgContainer [2022-11-22 01:21:05,603 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 01:21:05,616 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 01:21:05,616 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 01:21:05,620 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 01:21:05,621 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:21:02" (1/3) ... [2022-11-22 01:21:05,622 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39ce0c64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:21:05, skipping insertion in model container [2022-11-22 01:21:05,622 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:21:04" (2/3) ... [2022-11-22 01:21:05,622 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39ce0c64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:21:05, skipping insertion in model container [2022-11-22 01:21:05,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:21:05" (3/3) ... [2022-11-22 01:21:05,624 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_4b-container_of.i [2022-11-22 01:21:05,636 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-22 01:21:05,650 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 01:21:05,650 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 17 error locations. [2022-11-22 01:21:05,651 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-22 01:21:05,758 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-22 01:21:05,810 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-22 01:21:05,835 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 329 places, 331 transitions, 678 flow [2022-11-22 01:21:05,839 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 329 places, 331 transitions, 678 flow [2022-11-22 01:21:05,841 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 329 places, 331 transitions, 678 flow [2022-11-22 01:21:06,041 INFO L130 PetriNetUnfolder]: 12/460 cut-off events. [2022-11-22 01:21:06,042 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-22 01:21:06,051 INFO L83 FinitePrefix]: Finished finitePrefix Result has 469 conditions, 460 events. 12/460 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1277 event pairs, 0 based on Foata normal form. 0/417 useless extension candidates. Maximal degree in co-relation 239. Up to 4 conditions per place. [2022-11-22 01:21:06,073 INFO L119 LiptonReduction]: Number of co-enabled transitions 23112 [2022-11-22 01:22:45,983 WARN L233 SmtUtils]: Spent 11.27s on a formula simplification that was a NOOP. DAG size: 188 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 01:22:55,124 WARN L233 SmtUtils]: Spent 7.01s on a formula simplification that was a NOOP. DAG size: 178 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 01:23:02,836 INFO L134 LiptonReduction]: Checked pairs total: 296121 [2022-11-22 01:23:02,837 INFO L136 LiptonReduction]: Total number of compositions: 268 [2022-11-22 01:23:02,850 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 137 places, 135 transitions, 286 flow [2022-11-22 01:23:04,633 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 37774 states, 37581 states have (on average 2.9367233442431018) internal successors, (110365), 37773 states have internal predecessors, (110365), 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) [2022-11-22 01:23:04,663 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 01:23:04,670 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;@27f74b5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 01:23:04,671 INFO L358 AbstractCegarLoop]: Starting to check reachability of 25 error locations. [2022-11-22 01:23:04,749 INFO L276 IsEmpty]: Start isEmpty. Operand has 37774 states, 37581 states have (on average 2.9367233442431018) internal successors, (110365), 37773 states have internal predecessors, (110365), 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) [2022-11-22 01:23:04,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-11-22 01:23:04,756 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:23:04,756 INFO L195 NwaCegarLoop]: trace histogram [1] [2022-11-22 01:23:04,757 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-11-22 01:23:04,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:23:04,769 INFO L85 PathProgramCache]: Analyzing trace with hash 999, now seen corresponding path program 1 times [2022-11-22 01:23:04,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:23:04,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746007839] [2022-11-22 01:23:04,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:23:04,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:23:05,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:23:05,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:23:05,213 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:23:05,214 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746007839] [2022-11-22 01:23:05,215 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [746007839] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:23:05,215 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:23:05,216 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-11-22 01:23:05,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844893679] [2022-11-22 01:23:05,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:23:05,223 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-22 01:23:05,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:23:05,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-22 01:23:05,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-22 01:23:05,387 INFO L87 Difference]: Start difference. First operand has 37774 states, 37581 states have (on average 2.9367233442431018) internal successors, (110365), 37773 states have internal predecessors, (110365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:23:07,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:23:07,123 INFO L93 Difference]: Finished difference Result 37770 states and 109208 transitions. [2022-11-22 01:23:07,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-22 01:23:07,129 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1 [2022-11-22 01:23:07,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:23:07,587 INFO L225 Difference]: With dead ends: 37770 [2022-11-22 01:23:07,588 INFO L226 Difference]: Without dead ends: 37765 [2022-11-22 01:23:07,589 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-22 01:23:07,595 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-22 01:23:07,596 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 87 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-22 01:23:07,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37765 states. [2022-11-22 01:23:09,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37765 to 37765. [2022-11-22 01:23:09,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37765 states, 37578 states have (on average 2.905822555750705) internal successors, (109195), 37764 states have internal predecessors, (109195), 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) [2022-11-22 01:23:10,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37765 states to 37765 states and 109195 transitions. [2022-11-22 01:23:10,179 INFO L78 Accepts]: Start accepts. Automaton has 37765 states and 109195 transitions. Word has length 1 [2022-11-22 01:23:10,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:23:10,182 INFO L495 AbstractCegarLoop]: Abstraction has 37765 states and 109195 transitions. [2022-11-22 01:23:10,183 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:23:10,185 INFO L276 IsEmpty]: Start isEmpty. Operand 37765 states and 109195 transitions. [2022-11-22 01:23:10,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-22 01:23:10,188 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:23:10,188 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:23:10,189 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 01:23:10,191 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-11-22 01:23:10,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:23:10,193 INFO L85 PathProgramCache]: Analyzing trace with hash 1933852954, now seen corresponding path program 1 times [2022-11-22 01:23:10,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:23:10,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909963860] [2022-11-22 01:23:10,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:23:10,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:23:10,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:23:10,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:23:10,580 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:23:10,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909963860] [2022-11-22 01:23:10,582 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1909963860] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:23:10,582 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:23:10,584 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-22 01:23:10,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851088586] [2022-11-22 01:23:10,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:23:10,592 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:23:10,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:23:10,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:23:10,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:23:10,593 INFO L87 Difference]: Start difference. First operand 37765 states and 109195 transitions. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:23:11,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:23:11,728 INFO L93 Difference]: Finished difference Result 37754 states and 109183 transitions. [2022-11-22 01:23:11,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:23:11,729 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-11-22 01:23:11,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:23:11,951 INFO L225 Difference]: With dead ends: 37754 [2022-11-22 01:23:11,952 INFO L226 Difference]: Without dead ends: 37754 [2022-11-22 01:23:11,952 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 [2022-11-22 01:23:11,953 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 74 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-22 01:23:11,959 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 205 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-22 01:23:12,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37754 states. [2022-11-22 01:23:13,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37754 to 37731. [2022-11-22 01:23:13,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37731 states, 37549 states have (on average 2.907161309222616) internal successors, (109161), 37730 states have internal predecessors, (109161), 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) [2022-11-22 01:23:13,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37731 states to 37731 states and 109161 transitions. [2022-11-22 01:23:13,786 INFO L78 Accepts]: Start accepts. Automaton has 37731 states and 109161 transitions. Word has length 7 [2022-11-22 01:23:13,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:23:13,787 INFO L495 AbstractCegarLoop]: Abstraction has 37731 states and 109161 transitions. [2022-11-22 01:23:13,787 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:23:13,787 INFO L276 IsEmpty]: Start isEmpty. Operand 37731 states and 109161 transitions. [2022-11-22 01:23:13,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-22 01:23:13,789 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:23:13,789 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:23:13,789 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 01:23:13,791 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-11-22 01:23:13,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:23:13,793 INFO L85 PathProgramCache]: Analyzing trace with hash 1392726388, now seen corresponding path program 1 times [2022-11-22 01:23:13,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:23:13,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473660639] [2022-11-22 01:23:13,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:23:13,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:23:13,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:23:14,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:23:14,493 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:23:14,494 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473660639] [2022-11-22 01:23:14,494 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [473660639] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:23:14,494 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:23:14,494 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 01:23:14,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120997825] [2022-11-22 01:23:14,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:23:14,496 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 01:23:14,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:23:14,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 01:23:14,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:23:14,499 INFO L87 Difference]: Start difference. First operand 37731 states and 109161 transitions. Second operand has 6 states, 5 states have (on average 1.4) internal successors, (7), 6 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:23:16,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:23:16,234 INFO L93 Difference]: Finished difference Result 39989 states and 115745 transitions. [2022-11-22 01:23:16,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 01:23:16,235 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.4) internal successors, (7), 6 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-11-22 01:23:16,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:23:16,516 INFO L225 Difference]: With dead ends: 39989 [2022-11-22 01:23:16,517 INFO L226 Difference]: Without dead ends: 39989 [2022-11-22 01:23:16,517 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 [2022-11-22 01:23:16,519 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 88 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 711 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 718 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 711 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-22 01:23:16,519 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 108 Invalid, 718 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 711 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-22 01:23:16,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39989 states. [2022-11-22 01:23:17,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39989 to 39989. [2022-11-22 01:23:18,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39989 states, 39808 states have (on average 2.907581390675241) internal successors, (115745), 39988 states have internal predecessors, (115745), 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) [2022-11-22 01:23:18,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39989 states to 39989 states and 115745 transitions. [2022-11-22 01:23:18,579 INFO L78 Accepts]: Start accepts. Automaton has 39989 states and 115745 transitions. Word has length 7 [2022-11-22 01:23:18,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:23:18,579 INFO L495 AbstractCegarLoop]: Abstraction has 39989 states and 115745 transitions. [2022-11-22 01:23:18,580 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.4) internal successors, (7), 6 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:23:18,580 INFO L276 IsEmpty]: Start isEmpty. Operand 39989 states and 115745 transitions. [2022-11-22 01:23:18,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-22 01:23:18,581 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:23:18,582 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:23:18,582 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-22 01:23:18,582 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting my_callbackErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-11-22 01:23:18,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:23:18,584 INFO L85 PathProgramCache]: Analyzing trace with hash 1354179406, now seen corresponding path program 1 times [2022-11-22 01:23:18,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:23:18,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962098020] [2022-11-22 01:23:18,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:23:18,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:23:18,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:23:19,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:23:19,089 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:23:19,090 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962098020] [2022-11-22 01:23:19,092 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [962098020] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:23:19,092 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:23:19,092 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 01:23:19,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634441414] [2022-11-22 01:23:19,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:23:19,093 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 01:23:19,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:23:19,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 01:23:19,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:23:19,095 INFO L87 Difference]: Start difference. First operand 39989 states and 115745 transitions. Second operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:23:21,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:23:21,686 INFO L93 Difference]: Finished difference Result 47805 states and 138728 transitions. [2022-11-22 01:23:21,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 01:23:21,688 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-11-22 01:23:21,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:23:21,948 INFO L225 Difference]: With dead ends: 47805 [2022-11-22 01:23:21,949 INFO L226 Difference]: Without dead ends: 47805 [2022-11-22 01:23:21,949 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:23:21,950 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 166 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 1157 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 1163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:23:21,951 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 125 Invalid, 1163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1157 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-11-22 01:23:22,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47805 states. [2022-11-22 01:23:23,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47805 to 46164. [2022-11-22 01:23:23,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46164 states, 45983 states have (on average 2.9119674662375226) internal successors, (133901), 46163 states have internal predecessors, (133901), 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) [2022-11-22 01:23:23,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46164 states to 46164 states and 133901 transitions. [2022-11-22 01:23:23,846 INFO L78 Accepts]: Start accepts. Automaton has 46164 states and 133901 transitions. Word has length 9 [2022-11-22 01:23:23,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:23:23,847 INFO L495 AbstractCegarLoop]: Abstraction has 46164 states and 133901 transitions. [2022-11-22 01:23:23,847 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:23:23,847 INFO L276 IsEmpty]: Start isEmpty. Operand 46164 states and 133901 transitions. [2022-11-22 01:23:23,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-22 01:23:23,855 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:23:23,855 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:23:23,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-22 01:23:23,855 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting my_callbackErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-11-22 01:23:23,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:23:23,859 INFO L85 PathProgramCache]: Analyzing trace with hash -1418514267, now seen corresponding path program 1 times [2022-11-22 01:23:23,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:23:23,859 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28178880] [2022-11-22 01:23:23,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:23:23,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:23:23,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:23:24,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:23:24,904 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:23:24,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28178880] [2022-11-22 01:23:24,904 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28178880] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:23:24,904 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:23:24,904 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 01:23:24,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150685116] [2022-11-22 01:23:24,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:23:24,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 01:23:24,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:23:24,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 01:23:24,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:23:24,905 INFO L87 Difference]: Start difference. First operand 46164 states and 133901 transitions. Second operand has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:23:27,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:23:27,392 INFO L93 Difference]: Finished difference Result 54277 states and 157722 transitions. [2022-11-22 01:23:27,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 01:23:27,394 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-22 01:23:27,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:23:27,617 INFO L225 Difference]: With dead ends: 54277 [2022-11-22 01:23:27,617 INFO L226 Difference]: Without dead ends: 54277 [2022-11-22 01:23:27,617 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:23:27,618 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 179 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 1180 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 1187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:23:27,619 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [179 Valid, 127 Invalid, 1187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1180 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-11-22 01:23:27,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54277 states. [2022-11-22 01:23:29,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54277 to 52372. [2022-11-22 01:23:29,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52372 states, 52191 states have (on average 2.914621294859267) internal successors, (152117), 52371 states have internal predecessors, (152117), 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) [2022-11-22 01:23:29,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52372 states to 52372 states and 152117 transitions. [2022-11-22 01:23:29,858 INFO L78 Accepts]: Start accepts. Automaton has 52372 states and 152117 transitions. Word has length 11 [2022-11-22 01:23:29,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:23:29,858 INFO L495 AbstractCegarLoop]: Abstraction has 52372 states and 152117 transitions. [2022-11-22 01:23:29,859 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:23:29,859 INFO L276 IsEmpty]: Start isEmpty. Operand 52372 states and 152117 transitions. [2022-11-22 01:23:29,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-22 01:23:29,870 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:23:29,870 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:23:29,870 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-22 01:23:29,891 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-11-22 01:23:29,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:23:29,892 INFO L85 PathProgramCache]: Analyzing trace with hash 2020937271, now seen corresponding path program 1 times [2022-11-22 01:23:29,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:23:29,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788615391] [2022-11-22 01:23:29,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:23:29,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:23:29,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:23:30,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:23:30,380 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:23:30,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788615391] [2022-11-22 01:23:30,380 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1788615391] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:23:30,380 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:23:30,381 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 01:23:30,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238634818] [2022-11-22 01:23:30,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:23:30,381 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 01:23:30,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:23:30,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 01:23:30,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:23:30,383 INFO L87 Difference]: Start difference. First operand 52372 states and 152117 transitions. Second operand has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:23:32,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:23:32,102 INFO L93 Difference]: Finished difference Result 54624 states and 158681 transitions. [2022-11-22 01:23:32,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 01:23:32,103 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-22 01:23:32,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:23:32,326 INFO L225 Difference]: With dead ends: 54624 [2022-11-22 01:23:32,327 INFO L226 Difference]: Without dead ends: 54624 [2022-11-22 01:23:32,327 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 [2022-11-22 01:23:32,328 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 88 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 715 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 719 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 715 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-22 01:23:32,328 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 106 Invalid, 719 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 715 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-22 01:23:32,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54624 states. [2022-11-22 01:23:34,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54624 to 54624. [2022-11-22 01:23:34,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54624 states, 54443 states have (on average 2.914626306412211) internal successors, (158681), 54623 states have internal predecessors, (158681), 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) [2022-11-22 01:23:34,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54624 states to 54624 states and 158681 transitions. [2022-11-22 01:23:34,971 INFO L78 Accepts]: Start accepts. Automaton has 54624 states and 158681 transitions. Word has length 11 [2022-11-22 01:23:34,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:23:34,971 INFO L495 AbstractCegarLoop]: Abstraction has 54624 states and 158681 transitions. [2022-11-22 01:23:34,971 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:23:34,972 INFO L276 IsEmpty]: Start isEmpty. Operand 54624 states and 158681 transitions. [2022-11-22 01:23:34,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-22 01:23:34,977 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:23:34,977 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:23:34,977 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-22 01:23:34,978 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-11-22 01:23:34,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:23:34,978 INFO L85 PathProgramCache]: Analyzing trace with hash 145614463, now seen corresponding path program 1 times [2022-11-22 01:23:34,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:23:34,979 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124673349] [2022-11-22 01:23:34,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:23:34,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:23:35,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:23:35,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:23:35,441 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:23:35,442 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124673349] [2022-11-22 01:23:35,442 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124673349] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:23:35,442 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:23:35,442 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 01:23:35,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617729297] [2022-11-22 01:23:35,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:23:35,443 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 01:23:35,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:23:35,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 01:23:35,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:23:35,444 INFO L87 Difference]: Start difference. First operand 54624 states and 158681 transitions. Second operand has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 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) [2022-11-22 01:23:37,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:23:37,184 INFO L93 Difference]: Finished difference Result 57627 states and 167444 transitions. [2022-11-22 01:23:37,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 01:23:37,186 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 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 13 [2022-11-22 01:23:37,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:23:37,447 INFO L225 Difference]: With dead ends: 57627 [2022-11-22 01:23:37,447 INFO L226 Difference]: Without dead ends: 57627 [2022-11-22 01:23:37,448 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 [2022-11-22 01:23:37,450 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 91 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 712 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 719 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 712 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-22 01:23:37,451 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 107 Invalid, 719 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 712 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-22 01:23:37,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57627 states. [2022-11-22 01:23:39,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57627 to 56875. [2022-11-22 01:23:39,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56875 states, 56695 states have (on average 2.9146132815944967) internal successors, (165244), 56874 states have internal predecessors, (165244), 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) [2022-11-22 01:23:39,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56875 states to 56875 states and 165244 transitions. [2022-11-22 01:23:39,842 INFO L78 Accepts]: Start accepts. Automaton has 56875 states and 165244 transitions. Word has length 13 [2022-11-22 01:23:39,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:23:39,843 INFO L495 AbstractCegarLoop]: Abstraction has 56875 states and 165244 transitions. [2022-11-22 01:23:39,843 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 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) [2022-11-22 01:23:39,843 INFO L276 IsEmpty]: Start isEmpty. Operand 56875 states and 165244 transitions. [2022-11-22 01:23:39,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-22 01:23:39,846 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:23:39,846 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:23:39,846 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-22 01:23:39,846 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting my_callbackErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-11-22 01:23:39,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:23:39,847 INFO L85 PathProgramCache]: Analyzing trace with hash 1447765261, now seen corresponding path program 1 times [2022-11-22 01:23:39,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:23:39,847 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896698830] [2022-11-22 01:23:39,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:23:39,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:23:39,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:23:40,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:23:40,747 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:23:40,748 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896698830] [2022-11-22 01:23:40,748 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1896698830] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:23:40,748 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:23:40,748 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 01:23:40,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041435490] [2022-11-22 01:23:40,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:23:40,749 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 01:23:40,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:23:40,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 01:23:40,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:23:40,750 INFO L87 Difference]: Start difference. First operand 56875 states and 165244 transitions. Second operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 5 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) [2022-11-22 01:23:41,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:23:41,777 INFO L93 Difference]: Finished difference Result 60727 states and 172863 transitions. [2022-11-22 01:23:41,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 01:23:41,778 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 5 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 [2022-11-22 01:23:41,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:23:42,331 INFO L225 Difference]: With dead ends: 60727 [2022-11-22 01:23:42,331 INFO L226 Difference]: Without dead ends: 60727 [2022-11-22 01:23:42,332 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-11-22 01:23:42,332 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 435 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 435 SdHoareTripleChecker+Valid, 400 SdHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-22 01:23:42,333 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [435 Valid, 400 Invalid, 274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-22 01:23:42,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60727 states. [2022-11-22 01:23:43,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60727 to 58776. [2022-11-22 01:23:43,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58776 states, 58563 states have (on average 2.8860372590202004) internal successors, (169015), 58775 states have internal predecessors, (169015), 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) [2022-11-22 01:23:44,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58776 states to 58776 states and 169015 transitions. [2022-11-22 01:23:44,409 INFO L78 Accepts]: Start accepts. Automaton has 58776 states and 169015 transitions. Word has length 14 [2022-11-22 01:23:44,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:23:44,410 INFO L495 AbstractCegarLoop]: Abstraction has 58776 states and 169015 transitions. [2022-11-22 01:23:44,410 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 5 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) [2022-11-22 01:23:44,410 INFO L276 IsEmpty]: Start isEmpty. Operand 58776 states and 169015 transitions. [2022-11-22 01:23:44,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-22 01:23:44,413 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:23:44,413 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:23:44,413 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-22 01:23:44,413 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting my_callbackErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-11-22 01:23:44,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:23:44,414 INFO L85 PathProgramCache]: Analyzing trace with hash -1223314932, now seen corresponding path program 1 times [2022-11-22 01:23:44,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:23:44,414 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119241322] [2022-11-22 01:23:44,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:23:44,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:23:44,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-22 01:23:44,479 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-22 01:23:44,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-22 01:23:44,569 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-22 01:23:44,569 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-22 01:23:44,572 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (24 of 25 remaining) [2022-11-22 01:23:44,574 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (23 of 25 remaining) [2022-11-22 01:23:44,575 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (22 of 25 remaining) [2022-11-22 01:23:44,577 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (21 of 25 remaining) [2022-11-22 01:23:44,577 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (20 of 25 remaining) [2022-11-22 01:23:44,577 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (19 of 25 remaining) [2022-11-22 01:23:44,578 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (18 of 25 remaining) [2022-11-22 01:23:44,578 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (17 of 25 remaining) [2022-11-22 01:23:44,578 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (16 of 25 remaining) [2022-11-22 01:23:44,578 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (15 of 25 remaining) [2022-11-22 01:23:44,578 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (14 of 25 remaining) [2022-11-22 01:23:44,579 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (13 of 25 remaining) [2022-11-22 01:23:44,579 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (12 of 25 remaining) [2022-11-22 01:23:44,579 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (11 of 25 remaining) [2022-11-22 01:23:44,580 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (10 of 25 remaining) [2022-11-22 01:23:44,580 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 25 remaining) [2022-11-22 01:23:44,580 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 25 remaining) [2022-11-22 01:23:44,580 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (7 of 25 remaining) [2022-11-22 01:23:44,581 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (6 of 25 remaining) [2022-11-22 01:23:44,581 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (5 of 25 remaining) [2022-11-22 01:23:44,581 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (4 of 25 remaining) [2022-11-22 01:23:44,581 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (3 of 25 remaining) [2022-11-22 01:23:44,583 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (2 of 25 remaining) [2022-11-22 01:23:44,584 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (1 of 25 remaining) [2022-11-22 01:23:44,584 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (0 of 25 remaining) [2022-11-22 01:23:44,584 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-22 01:23:44,587 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:23:44,594 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-22 01:23:44,595 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-22 01:23:44,667 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 01:23:44 BasicIcfg [2022-11-22 01:23:44,668 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-22 01:23:44,669 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-22 01:23:44,669 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-22 01:23:44,670 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-22 01:23:44,670 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:21:05" (3/4) ... [2022-11-22 01:23:44,674 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-22 01:23:44,674 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-22 01:23:44,675 INFO L158 Benchmark]: Toolchain (without parser) took 162054.93ms. Allocated memory was 165.7MB in the beginning and 12.2GB in the end (delta: 12.0GB). Free memory was 123.0MB in the beginning and 10.4GB in the end (delta: -10.2GB). Peak memory consumption was 1.8GB. Max. memory is 16.1GB. [2022-11-22 01:23:44,675 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 85.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 01:23:44,676 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1441.28ms. Allocated memory is still 165.7MB. Free memory was 123.0MB in the beginning and 87.0MB in the end (delta: 36.0MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2022-11-22 01:23:44,676 INFO L158 Benchmark]: Boogie Procedure Inliner took 139.30ms. Allocated memory is still 165.7MB. Free memory was 87.0MB in the beginning and 82.8MB in the end (delta: 4.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-22 01:23:44,677 INFO L158 Benchmark]: Boogie Preprocessor took 121.33ms. Allocated memory is still 165.7MB. Free memory was 82.8MB in the beginning and 78.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-22 01:23:44,677 INFO L158 Benchmark]: RCFGBuilder took 1277.52ms. Allocated memory is still 165.7MB. Free memory was 78.6MB in the beginning and 131.3MB in the end (delta: -52.7MB). Peak memory consumption was 43.4MB. Max. memory is 16.1GB. [2022-11-22 01:23:44,677 INFO L158 Benchmark]: TraceAbstraction took 159052.83ms. Allocated memory was 165.7MB in the beginning and 12.2GB in the end (delta: 12.0GB). Free memory was 131.0MB in the beginning and 10.4GB in the end (delta: -10.2GB). Peak memory consumption was 1.8GB. Max. memory is 16.1GB. [2022-11-22 01:23:44,678 INFO L158 Benchmark]: Witness Printer took 4.85ms. Allocated memory is still 12.2GB. Free memory was 10.4GB in the beginning and 10.4GB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 01:23:44,681 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 85.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1441.28ms. Allocated memory is still 165.7MB. Free memory was 123.0MB in the beginning and 87.0MB in the end (delta: 36.0MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 139.30ms. Allocated memory is still 165.7MB. Free memory was 87.0MB in the beginning and 82.8MB in the end (delta: 4.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 121.33ms. Allocated memory is still 165.7MB. Free memory was 82.8MB in the beginning and 78.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1277.52ms. Allocated memory is still 165.7MB. Free memory was 78.6MB in the beginning and 131.3MB in the end (delta: -52.7MB). Peak memory consumption was 43.4MB. Max. memory is 16.1GB. * TraceAbstraction took 159052.83ms. Allocated memory was 165.7MB in the beginning and 12.2GB in the end (delta: 12.0GB). Free memory was 131.0MB in the beginning and 10.4GB in the end (delta: -10.2GB). Peak memory consumption was 1.8GB. Max. memory is 16.1GB. * Witness Printer took 4.85ms. Allocated memory is still 12.2GB. Free memory was 10.4GB in the beginning and 10.4GB in the end (delta: 1.0MB). 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: 117.0s, 329 PlacesBefore, 137 PlacesAfterwards, 331 TransitionsBefore, 135 TransitionsAfterwards, 23112 CoEnabledTransitionPairs, 18 FixpointIterations, 119 TrivialSequentialCompositions, 109 ConcurrentSequentialCompositions, 4 TrivialYvCompositions, 32 ConcurrentYvCompositions, 4 ChoiceCompositions, 268 TotalNumberOfCompositions, 296121 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 26383, independent: 22168, independent conditional: 0, independent unconditional: 22168, dependent: 3911, dependent conditional: 0, dependent unconditional: 3911, unknown: 304, unknown conditional: 0, unknown unconditional: 304] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 11621, independent: 11276, independent conditional: 0, independent unconditional: 11276, dependent: 324, dependent conditional: 0, dependent unconditional: 324, unknown: 21, unknown conditional: 0, unknown unconditional: 21] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 11621, independent: 10624, independent conditional: 0, independent unconditional: 10624, dependent: 997, dependent conditional: 0, dependent unconditional: 997, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 997, independent: 652, independent conditional: 0, independent unconditional: 652, dependent: 324, dependent conditional: 0, dependent unconditional: 324, unknown: 21, unknown conditional: 0, unknown unconditional: 21] , SemanticIndependenceRelation.Query Time [ms]: [ total: 46487, independent: 667, independent conditional: 0, independent unconditional: 667, dependent: 1597, dependent conditional: 0, dependent unconditional: 1597, unknown: 44223, unknown conditional: 0, unknown unconditional: 44223] ], Cache Queries: [ total: 26383, independent: 10892, independent conditional: 0, independent unconditional: 10892, dependent: 3587, dependent conditional: 0, dependent unconditional: 3587, unknown: 11904, unknown conditional: 0, unknown unconditional: 11904] , Statistics on independence cache: Total cache size (in pairs): 970, Positive cache size: 777, Positive conditional cache size: 0, Positive unconditional cache size: 777, Negative cache size: 193, Negative conditional cache size: 0, Negative unconditional cache size: 193, Unknown cache size: 14, Unknown conditional cache size: 0, Unknown unconditional cache size: 14 - 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: 1711]: Data race detected Data race detected The following path leads to a data race: [L1694] 0 pthread_t t1,t2; [L1748] CALL, EXPR 0 my_drv_init() [L1742] 0 return 0; [L1748] RET, EXPR 0 my_drv_init() [L1748] 0 int ret = my_drv_init(); [L1749] COND TRUE 0 ret==0 [L1750] 0 int probe_ret; [L1751] 0 struct my_data data; [L1752] CALL, EXPR 0 my_drv_probe(&data) [L1717] 0 struct device *d = &data->dev; [L1719] 0 data->shared.a = 0 [L1720] 0 data->shared.b = 0 [L1721] 0 int res = __VERIFIER_nondet_int(); [L1722] COND FALSE 0 !(\read(res)) [L1724] FCALL, FORK 0 pthread_create(&t1, ((void *)0), my_callback, (void *)d) VAL [arg={5:24}, d={5:24}, data={5:0}, data={5:0}, pthread_create(&t1, ((void *)0), my_callback, (void *)d)=-2, res=0, t1={3:0}, t2={4:0}] [L1707] 1 struct device *dev = (struct device*)arg; [L1708] 1 struct my_data *data; [L1709] 1 const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); [L1709] 1 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) [L1711] 1 data->shared.a = 1 VAL [__mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, dev={5:24}, t1={3:0}, t2={4:0}] [L1725] FCALL, FORK 0 pthread_create(&t2, ((void *)0), my_callback, (void *)d) VAL [__mptr={5:24}, arg={5:24}, arg={5:24}, d={5:24}, data={5:0}, data={5:0}, data={5:0}, dev={5:24}, pthread_create(&t2, ((void *)0), my_callback, (void *)d)=-1, res=0, t1={3:0}, t2={4:0}] [L1726] 0 return 0; [L1752] RET, EXPR 0 my_drv_probe(&data) [L1752] 0 probe_ret = my_drv_probe(&data) VAL [__mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, data={5:0}, data->shared.a = 1=1151, dev={5:24}, my_drv_probe(&data)=0, probe_ret=0, ret=0, t1={3:0}, t2={4:0}] [L1753] COND TRUE 0 probe_ret==0 [L1754] CALL 0 my_drv_disconnect(&data) [L1732] 0 void *status; [L1733] 0 data->shared.a = 3 VAL [__mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, data={5:0}, data={5:0}, data->shared.a = 1=1151, data->shared.a = 3=1155, dev={5:24}, status={6:0}, t1={3:0}, t2={4:0}] [L1711] 1 data->shared.a = 1 VAL [__mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, data->shared.a = 1=1151, dev={5:24}, t1={3:0}, t2={4:0}] Now there is a data race, but we were unable to determine exactly which statements and variables are involved. There could be a race between one of the statements * C: data->shared.b = 0 [1720] * C: data->shared.b = 0 [1720] * C: data->shared.a = 0 [1719] * C: data->shared.b = 0 [1720] * C: data->shared.a = 3 [1733] * C: data->shared.a = 0 [1719] * C: data->shared.a = 0 [1719] * C: data->shared.a = 0 [1719] * C: data->shared.b = 0 [1720] and C: data->shared.a = 1 [1711] - UnprovableResult [Line: 1719]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1720]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1759]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1733]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1760]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1734]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1761]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1735]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1762]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1736]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1737]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1738]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1755]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1756]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1724]: 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: 1725]: 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: 1712]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1712]: 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 4 procedures, 362 locations, 25 error locations. Started 1 CEGAR loops. OverallTime: 158.8s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 16.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 118.8s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1121 SdHoareTripleChecker+Valid, 9.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1121 mSDsluCounter, 1265 SdHoareTripleChecker+Invalid, 8.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 434 mSDsCounter, 34 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4872 IncrementalHoareTripleChecker+Invalid, 4906 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 34 mSolverCounterUnsat, 831 mSDtfsCounter, 4872 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=58776occurred in iteration=8, InterpolantAutomatonStates: 41, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 17.7s AutomataMinimizationTime, 8 MinimizatonAttempts, 6272 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 4.2s InterpolantComputationTime, 87 NumberOfCodeBlocks, 87 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 65 ConstructedInterpolants, 0 QuantifiedInterpolants, 638 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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! [2022-11-22 01:23:44,819 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e55594-7df7-4438-a23f-58ee27875715/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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