./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/ldv-races/race-2_2b-container_of.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5080ddc8-c095-40cd-a197-e790cf074381/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5080ddc8-c095-40cd-a197-e790cf074381/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_5080ddc8-c095-40cd-a197-e790cf074381/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5080ddc8-c095-40cd-a197-e790cf074381/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-races/race-2_2b-container_of.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5080ddc8-c095-40cd-a197-e790cf074381/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_5080ddc8-c095-40cd-a197-e790cf074381/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 c6b79a0708426757fcf437de19fb59e33e03e479ed1138497675a4f18cf715c6 --- 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 02:18:56,339 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 02:18:56,341 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 02:18:56,376 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 02:18:56,376 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 02:18:56,377 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 02:18:56,379 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 02:18:56,380 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 02:18:56,382 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 02:18:56,383 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 02:18:56,384 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 02:18:56,385 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 02:18:56,386 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 02:18:56,387 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 02:18:56,388 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 02:18:56,389 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 02:18:56,390 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 02:18:56,391 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 02:18:56,392 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 02:18:56,394 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 02:18:56,396 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 02:18:56,397 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 02:18:56,398 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 02:18:56,399 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 02:18:56,403 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 02:18:56,403 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 02:18:56,404 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 02:18:56,405 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 02:18:56,405 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 02:18:56,406 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 02:18:56,407 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 02:18:56,408 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 02:18:56,408 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 02:18:56,409 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 02:18:56,410 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 02:18:56,411 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 02:18:56,411 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 02:18:56,412 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 02:18:56,412 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 02:18:56,413 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 02:18:56,414 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 02:18:56,415 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5080ddc8-c095-40cd-a197-e790cf074381/bin/utaipan-g80aRyZoba/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-22 02:18:56,438 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 02:18:56,439 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 02:18:56,439 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 02:18:56,439 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 02:18:56,440 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 02:18:56,440 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 02:18:56,441 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 02:18:56,441 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 02:18:56,441 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 02:18:56,441 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 02:18:56,442 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 02:18:56,442 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 02:18:56,442 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 02:18:56,442 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 02:18:56,443 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 02:18:56,443 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 02:18:56,443 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 02:18:56,444 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 02:18:56,444 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 02:18:56,445 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-22 02:18:56,445 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 02:18:56,445 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 02:18:56,445 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-22 02:18:56,446 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 02:18:56,446 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 02:18:56,446 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 02:18:56,446 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 02:18:56,446 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-22 02:18:56,447 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-22 02:18:56,447 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 02:18:56,447 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 02:18:56,447 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 02:18:56,448 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 02:18:56,448 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 02:18:56,448 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:18:56,448 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 02:18:56,449 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 02:18:56,449 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 02:18:56,449 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 02:18:56,449 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 02:18:56,450 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 02:18:56,450 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 02:18:56,450 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 02:18:56,450 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_5080ddc8-c095-40cd-a197-e790cf074381/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5080ddc8-c095-40cd-a197-e790cf074381/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c6b79a0708426757fcf437de19fb59e33e03e479ed1138497675a4f18cf715c6 [2022-11-22 02:18:56,746 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 02:18:56,779 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 02:18:56,781 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 02:18:56,783 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 02:18:56,783 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 02:18:56,785 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5080ddc8-c095-40cd-a197-e790cf074381/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/ldv-races/race-2_2b-container_of.i [2022-11-22 02:18:59,873 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 02:19:00,231 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 02:19:00,232 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5080ddc8-c095-40cd-a197-e790cf074381/sv-benchmarks/c/ldv-races/race-2_2b-container_of.i [2022-11-22 02:19:00,255 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5080ddc8-c095-40cd-a197-e790cf074381/bin/utaipan-g80aRyZoba/data/f39b26032/99035e3ce8a84aeb9ea212d3966a14c2/FLAG1214489e4 [2022-11-22 02:19:00,270 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5080ddc8-c095-40cd-a197-e790cf074381/bin/utaipan-g80aRyZoba/data/f39b26032/99035e3ce8a84aeb9ea212d3966a14c2 [2022-11-22 02:19:00,273 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 02:19:00,275 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 02:19:00,276 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 02:19:00,276 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 02:19:00,281 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 02:19:00,282 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:19:00" (1/1) ... [2022-11-22 02:19:00,283 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@746cd5a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:19:00, skipping insertion in model container [2022-11-22 02:19:00,283 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:19:00" (1/1) ... [2022-11-22 02:19:00,291 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 02:19:00,362 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 02:19:01,169 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_5080ddc8-c095-40cd-a197-e790cf074381/sv-benchmarks/c/ldv-races/race-2_2b-container_of.i[76077,76090] [2022-11-22 02:19:01,247 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:19:01,259 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 02:19:01,359 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_5080ddc8-c095-40cd-a197-e790cf074381/sv-benchmarks/c/ldv-races/race-2_2b-container_of.i[76077,76090] [2022-11-22 02:19:01,437 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:19:01,601 INFO L208 MainTranslator]: Completed translation [2022-11-22 02:19:01,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:19:01 WrapperNode [2022-11-22 02:19:01,602 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 02:19:01,604 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 02:19:01,604 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 02:19:01,604 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 02:19:01,612 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:19:01" (1/1) ... [2022-11-22 02:19:01,660 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:19:01" (1/1) ... [2022-11-22 02:19:01,713 INFO L138 Inliner]: procedures = 481, calls = 41, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 173 [2022-11-22 02:19:01,715 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 02:19:01,716 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 02:19:01,716 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 02:19:01,716 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 02:19:01,727 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:19:01" (1/1) ... [2022-11-22 02:19:01,728 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:19:01" (1/1) ... [2022-11-22 02:19:01,749 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:19:01" (1/1) ... [2022-11-22 02:19:01,754 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:19:01" (1/1) ... [2022-11-22 02:19:01,780 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:19:01" (1/1) ... [2022-11-22 02:19:01,782 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:19:01" (1/1) ... [2022-11-22 02:19:01,786 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:19:01" (1/1) ... [2022-11-22 02:19:01,788 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:19:01" (1/1) ... [2022-11-22 02:19:01,794 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 02:19:01,795 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 02:19:01,796 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 02:19:01,796 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 02:19:01,797 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:19:01" (1/1) ... [2022-11-22 02:19:01,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:19:01,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5080ddc8-c095-40cd-a197-e790cf074381/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:19:01,836 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5080ddc8-c095-40cd-a197-e790cf074381/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 02:19:01,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5080ddc8-c095-40cd-a197-e790cf074381/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 02:19:01,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 02:19:01,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 02:19:01,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 02:19:01,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-22 02:19:01,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 02:19:01,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 02:19:01,897 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2022-11-22 02:19:01,897 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2022-11-22 02:19:01,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 02:19:01,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 02:19:01,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 02:19:01,899 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 02:19:02,254 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 02:19:02,256 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 02:19:02,773 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 02:19:02,783 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 02:19:02,783 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-22 02:19:02,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:19:02 BoogieIcfgContainer [2022-11-22 02:19:02,786 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 02:19:02,788 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 02:19:02,789 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 02:19:02,793 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 02:19:02,793 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:19:00" (1/3) ... [2022-11-22 02:19:02,794 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bfb22be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:19:02, skipping insertion in model container [2022-11-22 02:19:02,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:19:01" (2/3) ... [2022-11-22 02:19:02,795 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bfb22be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:19:02, skipping insertion in model container [2022-11-22 02:19:02,795 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:19:02" (3/3) ... [2022-11-22 02:19:02,796 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_2b-container_of.i [2022-11-22 02:19:02,805 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-22 02:19:02,817 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 02:19:02,817 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 13 error locations. [2022-11-22 02:19:02,817 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-22 02:19:02,932 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-22 02:19:02,989 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-22 02:19:03,014 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 273 places, 273 transitions, 562 flow [2022-11-22 02:19:03,019 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 273 places, 273 transitions, 562 flow [2022-11-22 02:19:03,022 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 273 places, 273 transitions, 562 flow [2022-11-22 02:19:03,173 INFO L130 PetriNetUnfolder]: 8/350 cut-off events. [2022-11-22 02:19:03,174 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-22 02:19:03,182 INFO L83 FinitePrefix]: Finished finitePrefix Result has 359 conditions, 350 events. 8/350 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 787 event pairs, 0 based on Foata normal form. 0/319 useless extension candidates. Maximal degree in co-relation 184. Up to 4 conditions per place. [2022-11-22 02:19:03,193 INFO L119 LiptonReduction]: Number of co-enabled transitions 14124 [2022-11-22 02:20:00,821 WARN L233 SmtUtils]: Spent 6.62s on a formula simplification. DAG size of input: 121 DAG size of output: 119 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 02:20:17,453 WARN L233 SmtUtils]: Spent 9.21s on a formula simplification. DAG size of input: 187 DAG size of output: 182 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 02:20:35,160 WARN L233 SmtUtils]: Spent 13.27s on a formula simplification. DAG size of input: 187 DAG size of output: 182 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 02:20:41,358 WARN L233 SmtUtils]: Spent 6.20s on a formula simplification that was a NOOP. DAG size: 178 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 02:20:41,635 INFO L134 LiptonReduction]: Checked pairs total: 186883 [2022-11-22 02:20:41,635 INFO L136 LiptonReduction]: Total number of compositions: 235 [2022-11-22 02:20:41,643 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 105 places, 102 transitions, 220 flow [2022-11-22 02:20:42,294 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 18192 states, 18067 states have (on average 2.912104942713234) internal successors, (52613), 18191 states have internal predecessors, (52613), 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 02:20:42,319 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 02:20:42,326 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;@4c5c4900, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 02:20:42,326 INFO L358 AbstractCegarLoop]: Starting to check reachability of 21 error locations. [2022-11-22 02:20:42,380 INFO L276 IsEmpty]: Start isEmpty. Operand has 18192 states, 18067 states have (on average 2.912104942713234) internal successors, (52613), 18191 states have internal predecessors, (52613), 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 02:20:42,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-11-22 02:20:42,396 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:20:42,470 INFO L195 NwaCegarLoop]: trace histogram [1] [2022-11-22 02:20:42,471 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2022-11-22 02:20:42,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:20:42,477 INFO L85 PathProgramCache]: Analyzing trace with hash 832, now seen corresponding path program 1 times [2022-11-22 02:20:42,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:20:42,492 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061189439] [2022-11-22 02:20:42,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:20:42,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:20:42,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:20:42,699 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 02:20:42,700 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:20:42,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061189439] [2022-11-22 02:20:42,701 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1061189439] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:20:42,701 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:20:42,702 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-11-22 02:20:42,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137147230] [2022-11-22 02:20:42,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:20:42,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-22 02:20:42,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:20:42,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-22 02:20:42,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-22 02:20:42,767 INFO L87 Difference]: Start difference. First operand has 18192 states, 18067 states have (on average 2.912104942713234) internal successors, (52613), 18191 states have internal predecessors, (52613), 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 02:20:43,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:20:43,312 INFO L93 Difference]: Finished difference Result 18188 states and 52124 transitions. [2022-11-22 02:20:43,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-22 02:20:43,316 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 02:20:43,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:20:43,484 INFO L225 Difference]: With dead ends: 18188 [2022-11-22 02:20:43,485 INFO L226 Difference]: Without dead ends: 18186 [2022-11-22 02:20:43,486 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 02:20:43,492 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-22 02:20:43,497 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 66 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-22 02:20:43,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18186 states. [2022-11-22 02:20:44,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18186 to 18186. [2022-11-22 02:20:44,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18186 states, 18067 states have (on average 2.884817623291083) internal successors, (52120), 18185 states have internal predecessors, (52120), 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 02:20:44,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18186 states to 18186 states and 52120 transitions. [2022-11-22 02:20:44,645 INFO L78 Accepts]: Start accepts. Automaton has 18186 states and 52120 transitions. Word has length 1 [2022-11-22 02:20:44,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:20:44,645 INFO L495 AbstractCegarLoop]: Abstraction has 18186 states and 52120 transitions. [2022-11-22 02:20:44,646 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 02:20:44,648 INFO L276 IsEmpty]: Start isEmpty. Operand 18186 states and 52120 transitions. [2022-11-22 02:20:44,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-22 02:20:44,651 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:20:44,653 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:20:44,654 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 02:20:44,655 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2022-11-22 02:20:44,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:20:44,658 INFO L85 PathProgramCache]: Analyzing trace with hash 1170957996, now seen corresponding path program 1 times [2022-11-22 02:20:44,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:20:44,663 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457854801] [2022-11-22 02:20:44,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:20:44,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:20:44,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:20:45,685 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 02:20:45,685 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:20:45,686 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457854801] [2022-11-22 02:20:45,687 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [457854801] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:20:45,688 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:20:45,688 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 02:20:45,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190303417] [2022-11-22 02:20:45,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:20:45,695 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 02:20:45,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:20:45,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 02:20:45,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-22 02:20:45,697 INFO L87 Difference]: Start difference. First operand 18186 states and 52120 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 02:20:47,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:20:47,037 INFO L93 Difference]: Finished difference Result 20581 states and 59087 transitions. [2022-11-22 02:20:47,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 02:20:47,039 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 02:20:47,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:20:47,138 INFO L225 Difference]: With dead ends: 20581 [2022-11-22 02:20:47,139 INFO L226 Difference]: Without dead ends: 20581 [2022-11-22 02:20:47,139 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 02:20:47,140 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 73 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 643 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 643 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-22 02:20:47,141 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 86 Invalid, 651 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 643 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-22 02:20:47,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20581 states. [2022-11-22 02:20:47,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20581 to 20101. [2022-11-22 02:20:47,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20101 states, 19983 states have (on average 2.8870039533603564) internal successors, (57691), 20100 states have internal predecessors, (57691), 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 02:20:48,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20101 states to 20101 states and 57691 transitions. [2022-11-22 02:20:48,050 INFO L78 Accepts]: Start accepts. Automaton has 20101 states and 57691 transitions. Word has length 7 [2022-11-22 02:20:48,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:20:48,050 INFO L495 AbstractCegarLoop]: Abstraction has 20101 states and 57691 transitions. [2022-11-22 02:20:48,051 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 02:20:48,051 INFO L276 IsEmpty]: Start isEmpty. Operand 20101 states and 57691 transitions. [2022-11-22 02:20:48,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-22 02:20:48,052 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:20:48,052 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:20:48,052 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 02:20:48,053 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2022-11-22 02:20:48,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:20:48,054 INFO L85 PathProgramCache]: Analyzing trace with hash 2027138570, now seen corresponding path program 1 times [2022-11-22 02:20:48,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:20:48,055 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093021367] [2022-11-22 02:20:48,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:20:48,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:20:48,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:20:48,157 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 02:20:48,157 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:20:48,157 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093021367] [2022-11-22 02:20:48,158 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093021367] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:20:48,158 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:20:48,158 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-22 02:20:48,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060859416] [2022-11-22 02:20:48,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:20:48,159 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 02:20:48,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:20:48,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 02:20:48,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:20:48,159 INFO L87 Difference]: Start difference. First operand 20101 states and 57691 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 02:20:48,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:20:48,729 INFO L93 Difference]: Finished difference Result 20095 states and 57685 transitions. [2022-11-22 02:20:48,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 02:20:48,730 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 02:20:48,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:20:48,821 INFO L225 Difference]: With dead ends: 20095 [2022-11-22 02:20:48,822 INFO L226 Difference]: Without dead ends: 20095 [2022-11-22 02:20:48,822 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 02:20:48,823 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 0 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-22 02:20:48,824 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 132 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-22 02:20:48,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20095 states. [2022-11-22 02:20:49,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20095 to 20095. [2022-11-22 02:20:49,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20095 states, 19978 states have (on average 2.887426168785664) internal successors, (57685), 20094 states have internal predecessors, (57685), 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 02:20:49,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20095 states to 20095 states and 57685 transitions. [2022-11-22 02:20:49,442 INFO L78 Accepts]: Start accepts. Automaton has 20095 states and 57685 transitions. Word has length 7 [2022-11-22 02:20:49,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:20:49,443 INFO L495 AbstractCegarLoop]: Abstraction has 20095 states and 57685 transitions. [2022-11-22 02:20:49,443 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 02:20:49,443 INFO L276 IsEmpty]: Start isEmpty. Operand 20095 states and 57685 transitions. [2022-11-22 02:20:49,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-22 02:20:49,444 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:20:49,445 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:20:49,445 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-22 02:20:49,449 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting my_callbackErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2022-11-22 02:20:49,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:20:49,451 INFO L85 PathProgramCache]: Analyzing trace with hash -1873001551, now seen corresponding path program 1 times [2022-11-22 02:20:49,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:20:49,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593817894] [2022-11-22 02:20:49,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:20:49,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:20:49,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:20:50,108 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 02:20:50,108 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:20:50,109 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593817894] [2022-11-22 02:20:50,109 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [593817894] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:20:50,109 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:20:50,109 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 02:20:50,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49665153] [2022-11-22 02:20:50,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:20:50,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 02:20:50,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:20:50,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 02:20:50,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-22 02:20:50,112 INFO L87 Difference]: Start difference. First operand 20095 states and 57685 transitions. Second operand has 6 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:20:51,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:20:51,507 INFO L93 Difference]: Finished difference Result 24199 states and 69688 transitions. [2022-11-22 02:20:51,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 02:20:51,509 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-22 02:20:51,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:20:51,639 INFO L225 Difference]: With dead ends: 24199 [2022-11-22 02:20:51,640 INFO L226 Difference]: Without dead ends: 24199 [2022-11-22 02:20:51,640 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 02:20:51,641 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 111 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 772 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 779 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 772 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-22 02:20:51,642 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 82 Invalid, 779 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 772 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-22 02:20:51,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24199 states. [2022-11-22 02:20:52,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24199 to 23307. [2022-11-22 02:20:52,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23307 states, 23190 states have (on average 2.892496765847348) internal successors, (67077), 23306 states have internal predecessors, (67077), 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 02:20:52,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23307 states to 23307 states and 67077 transitions. [2022-11-22 02:20:52,432 INFO L78 Accepts]: Start accepts. Automaton has 23307 states and 67077 transitions. Word has length 8 [2022-11-22 02:20:52,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:20:52,432 INFO L495 AbstractCegarLoop]: Abstraction has 23307 states and 67077 transitions. [2022-11-22 02:20:52,433 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:20:52,434 INFO L276 IsEmpty]: Start isEmpty. Operand 23307 states and 67077 transitions. [2022-11-22 02:20:52,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-22 02:20:52,444 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:20:52,444 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:20:52,444 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-22 02:20:52,445 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting my_callbackErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2022-11-22 02:20:52,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:20:52,452 INFO L85 PathProgramCache]: Analyzing trace with hash 1411287670, now seen corresponding path program 1 times [2022-11-22 02:20:52,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:20:52,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521571669] [2022-11-22 02:20:52,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:20:52,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:20:52,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:20:53,039 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 02:20:53,039 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:20:53,041 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521571669] [2022-11-22 02:20:53,041 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521571669] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:20:53,041 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:20:53,041 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 02:20:53,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207759183] [2022-11-22 02:20:53,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:20:53,042 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 02:20:53,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:20:53,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 02:20:53,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-22 02:20:53,043 INFO L87 Difference]: Start difference. First operand 23307 states and 67077 transitions. Second operand has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:20:54,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:20:54,951 INFO L93 Difference]: Finished difference Result 27596 states and 79582 transitions. [2022-11-22 02:20:54,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 02:20:54,952 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-11-22 02:20:54,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:20:55,077 INFO L225 Difference]: With dead ends: 27596 [2022-11-22 02:20:55,078 INFO L226 Difference]: Without dead ends: 27596 [2022-11-22 02:20:55,078 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 02:20:55,079 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 122 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 1092 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 1097 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1092 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-22 02:20:55,079 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 94 Invalid, 1097 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1092 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-22 02:20:55,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27596 states. [2022-11-22 02:20:55,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27596 to 26552. [2022-11-22 02:20:55,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26552 states, 26435 states have (on average 2.8949877056932096) internal successors, (76529), 26551 states have internal predecessors, (76529), 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 02:20:56,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26552 states to 26552 states and 76529 transitions. [2022-11-22 02:20:56,167 INFO L78 Accepts]: Start accepts. Automaton has 26552 states and 76529 transitions. Word has length 10 [2022-11-22 02:20:56,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:20:56,167 INFO L495 AbstractCegarLoop]: Abstraction has 26552 states and 76529 transitions. [2022-11-22 02:20:56,167 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:20:56,168 INFO L276 IsEmpty]: Start isEmpty. Operand 26552 states and 76529 transitions. [2022-11-22 02:20:56,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-22 02:20:56,172 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:20:56,172 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:20:56,172 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-22 02:20:56,172 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2022-11-22 02:20:56,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:20:56,173 INFO L85 PathProgramCache]: Analyzing trace with hash 2084821965, now seen corresponding path program 1 times [2022-11-22 02:20:56,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:20:56,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722595233] [2022-11-22 02:20:56,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:20:56,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:20:56,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:20:56,569 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 02:20:56,569 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:20:56,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722595233] [2022-11-22 02:20:56,569 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722595233] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:20:56,569 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:20:56,570 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 02:20:56,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092739009] [2022-11-22 02:20:56,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:20:56,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 02:20:56,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:20:56,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 02:20:56,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-22 02:20:56,572 INFO L87 Difference]: Start difference. First operand 26552 states and 76529 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 02:20:57,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:20:57,949 INFO L93 Difference]: Finished difference Result 29325 states and 83753 transitions. [2022-11-22 02:20:57,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 02:20:57,952 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 02:20:57,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:20:58,044 INFO L225 Difference]: With dead ends: 29325 [2022-11-22 02:20:58,045 INFO L226 Difference]: Without dead ends: 29325 [2022-11-22 02:20:58,045 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 02:20:58,046 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 86 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 608 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 608 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-22 02:20:58,046 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 87 Invalid, 654 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 608 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-22 02:20:58,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29325 states. [2022-11-22 02:20:58,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29325 to 28463. [2022-11-22 02:20:58,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28463 states, 28346 states have (on average 2.8958583221618572) internal successors, (82086), 28462 states have internal predecessors, (82086), 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 02:20:59,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28463 states to 28463 states and 82086 transitions. [2022-11-22 02:20:59,056 INFO L78 Accepts]: Start accepts. Automaton has 28463 states and 82086 transitions. Word has length 11 [2022-11-22 02:20:59,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:20:59,057 INFO L495 AbstractCegarLoop]: Abstraction has 28463 states and 82086 transitions. [2022-11-22 02:20:59,058 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 02:20:59,058 INFO L276 IsEmpty]: Start isEmpty. Operand 28463 states and 82086 transitions. [2022-11-22 02:20:59,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-22 02:20:59,061 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:20:59,061 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:20:59,061 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-22 02:20:59,062 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting my_callbackErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2022-11-22 02:20:59,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:20:59,062 INFO L85 PathProgramCache]: Analyzing trace with hash -1917785214, now seen corresponding path program 1 times [2022-11-22 02:20:59,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:20:59,063 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340505949] [2022-11-22 02:20:59,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:20:59,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:20:59,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-22 02:20:59,142 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-22 02:20:59,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-22 02:20:59,229 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-22 02:20:59,230 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-22 02:20:59,231 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (20 of 21 remaining) [2022-11-22 02:20:59,233 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (19 of 21 remaining) [2022-11-22 02:20:59,234 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (18 of 21 remaining) [2022-11-22 02:20:59,234 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (17 of 21 remaining) [2022-11-22 02:20:59,235 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (16 of 21 remaining) [2022-11-22 02:20:59,235 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (15 of 21 remaining) [2022-11-22 02:20:59,235 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (14 of 21 remaining) [2022-11-22 02:20:59,235 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (13 of 21 remaining) [2022-11-22 02:20:59,236 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (12 of 21 remaining) [2022-11-22 02:20:59,236 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (11 of 21 remaining) [2022-11-22 02:20:59,236 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (10 of 21 remaining) [2022-11-22 02:20:59,236 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 21 remaining) [2022-11-22 02:20:59,237 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 21 remaining) [2022-11-22 02:20:59,237 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (7 of 21 remaining) [2022-11-22 02:20:59,237 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (6 of 21 remaining) [2022-11-22 02:20:59,238 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (5 of 21 remaining) [2022-11-22 02:20:59,238 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (4 of 21 remaining) [2022-11-22 02:20:59,238 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (3 of 21 remaining) [2022-11-22 02:20:59,238 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (2 of 21 remaining) [2022-11-22 02:20:59,239 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (1 of 21 remaining) [2022-11-22 02:20:59,239 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (0 of 21 remaining) [2022-11-22 02:20:59,239 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-22 02:20:59,242 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:20:59,249 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-22 02:20:59,249 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-22 02:20:59,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 02:20:59 BasicIcfg [2022-11-22 02:20:59,302 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-22 02:20:59,303 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-22 02:20:59,303 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-22 02:20:59,303 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-22 02:20:59,304 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:19:02" (3/4) ... [2022-11-22 02:20:59,307 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-22 02:20:59,308 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-22 02:20:59,308 INFO L158 Benchmark]: Toolchain (without parser) took 119033.94ms. Allocated memory was 138.4MB in the beginning and 7.0GB in the end (delta: 6.8GB). Free memory was 91.3MB in the beginning and 6.2GB in the end (delta: -6.1GB). Peak memory consumption was 727.1MB. Max. memory is 16.1GB. [2022-11-22 02:20:59,309 INFO L158 Benchmark]: CDTParser took 0.83ms. Allocated memory is still 102.8MB. Free memory was 49.7MB in the beginning and 49.6MB in the end (delta: 142.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 02:20:59,309 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1326.79ms. Allocated memory is still 138.4MB. Free memory was 91.0MB in the beginning and 72.5MB in the end (delta: 18.5MB). Peak memory consumption was 32.7MB. Max. memory is 16.1GB. [2022-11-22 02:20:59,310 INFO L158 Benchmark]: Boogie Procedure Inliner took 111.61ms. Allocated memory is still 138.4MB. Free memory was 72.5MB in the beginning and 68.8MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-22 02:20:59,310 INFO L158 Benchmark]: Boogie Preprocessor took 79.04ms. Allocated memory is still 138.4MB. Free memory was 68.8MB in the beginning and 65.1MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-22 02:20:59,311 INFO L158 Benchmark]: RCFGBuilder took 990.88ms. Allocated memory was 138.4MB in the beginning and 195.0MB in the end (delta: 56.6MB). Free memory was 64.6MB in the beginning and 138.6MB in the end (delta: -74.0MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. [2022-11-22 02:20:59,311 INFO L158 Benchmark]: TraceAbstraction took 116513.65ms. Allocated memory was 195.0MB in the beginning and 7.0GB in the end (delta: 6.8GB). Free memory was 137.6MB in the beginning and 6.2GB in the end (delta: -6.0GB). Peak memory consumption was 712.9MB. Max. memory is 16.1GB. [2022-11-22 02:20:59,311 INFO L158 Benchmark]: Witness Printer took 5.29ms. Allocated memory is still 7.0GB. Free memory was 6.2GB in the beginning and 6.2GB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 02:20:59,315 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.83ms. Allocated memory is still 102.8MB. Free memory was 49.7MB in the beginning and 49.6MB in the end (delta: 142.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1326.79ms. Allocated memory is still 138.4MB. Free memory was 91.0MB in the beginning and 72.5MB in the end (delta: 18.5MB). Peak memory consumption was 32.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 111.61ms. Allocated memory is still 138.4MB. Free memory was 72.5MB in the beginning and 68.8MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 79.04ms. Allocated memory is still 138.4MB. Free memory was 68.8MB in the beginning and 65.1MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 990.88ms. Allocated memory was 138.4MB in the beginning and 195.0MB in the end (delta: 56.6MB). Free memory was 64.6MB in the beginning and 138.6MB in the end (delta: -74.0MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. * TraceAbstraction took 116513.65ms. Allocated memory was 195.0MB in the beginning and 7.0GB in the end (delta: 6.8GB). Free memory was 137.6MB in the beginning and 6.2GB in the end (delta: -6.0GB). Peak memory consumption was 712.9MB. Max. memory is 16.1GB. * Witness Printer took 5.29ms. Allocated memory is still 7.0GB. Free memory was 6.2GB in the beginning and 6.2GB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 98.6s, 273 PlacesBefore, 105 PlacesAfterwards, 273 TransitionsBefore, 102 TransitionsAfterwards, 14124 CoEnabledTransitionPairs, 20 FixpointIterations, 120 TrivialSequentialCompositions, 81 ConcurrentSequentialCompositions, 4 TrivialYvCompositions, 27 ConcurrentYvCompositions, 3 ChoiceCompositions, 235 TotalNumberOfCompositions, 186883 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 18319, independent: 15005, independent conditional: 0, independent unconditional: 15005, dependent: 3304, dependent conditional: 0, dependent unconditional: 3304, unknown: 10, unknown conditional: 0, unknown unconditional: 10] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7309, independent: 7067, independent conditional: 0, independent unconditional: 7067, dependent: 237, dependent conditional: 0, dependent unconditional: 237, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7309, independent: 6453, independent conditional: 0, independent unconditional: 6453, dependent: 856, dependent conditional: 0, dependent unconditional: 856, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 856, independent: 614, independent conditional: 0, independent unconditional: 614, dependent: 237, dependent conditional: 0, dependent unconditional: 237, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , SemanticIndependenceRelation.Query Time [ms]: [ total: 11957, independent: 405, independent conditional: 0, independent unconditional: 405, dependent: 939, dependent conditional: 0, dependent unconditional: 939, unknown: 10612, unknown conditional: 0, unknown unconditional: 10612] ], Cache Queries: [ total: 18319, independent: 7938, independent conditional: 0, independent unconditional: 7938, dependent: 3067, dependent conditional: 0, dependent unconditional: 3067, unknown: 7314, unknown conditional: 0, unknown unconditional: 7314] , Statistics on independence cache: Total cache size (in pairs): 598, Positive cache size: 443, Positive conditional cache size: 0, Positive unconditional cache size: 443, Negative cache size: 155, Negative conditional cache size: 0, Negative unconditional cache size: 155, Unknown cache size: 3, Unknown conditional cache size: 0, Unknown unconditional cache size: 3 - 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: 1710]: Data race detected Data race detected The following path leads to a data race: [L1694] 0 pthread_t t1,t2; [L1742] CALL, EXPR 0 my_drv_init() [L1736] 0 return 0; [L1742] RET, EXPR 0 my_drv_init() [L1742] 0 int ret = my_drv_init(); [L1743] COND TRUE 0 ret==0 [L1744] 0 int probe_ret; [L1745] 0 struct my_data data; [L1746] CALL 0 my_drv_probe(&data) [L1715] 0 struct device *d = &data->dev; [L1717] 0 data->shared.a = 0 [L1718] 0 data->shared.b = 0 [L1719] 0 int res = __VERIFIER_nondet_int(); [L1720] COND FALSE 0 !(\read(res)) [L1722] 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)=0, res=0, t1={3:0}, t2={4:0}] [L1723] FCALL, FORK 0 pthread_create(&t2, ((void *)0), my_callback, (void *)d) VAL [arg={5:24}, d={5:24}, data={5:0}, data={5:0}, pthread_create(&t2, ((void *)0), my_callback, (void *)d)=1, res=0, t1={3:0}, t2={4:0}] [L1707] 2 struct device *dev = (struct device*)arg; [L1708] 2 struct my_data *data; [L1709] 2 const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); [L1709] 2 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) [L1710] 2 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}] [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) );}) [L1710] 1 data->shared.a = 1 VAL [__mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, data->shared.a = 1=1155, 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.a = 0 [1717] * C: data->shared.a = 0 [1717] * C: data->shared.b = 0 [1718] * C: data->shared.b = 0 [1718] * C: data->shared.a = 0 [1717] * C: data->shared.a = 0 [1717] * C: data->shared.b = 0 [1718] * C: data->shared.b = 0 [1718] and C: data->shared.a = 1 [1710] - UnprovableResult [Line: 1717]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1718]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1753]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1731]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1754]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1732]: 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: 1749]: 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: 1750]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1722]: 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: 1723]: 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: 1711]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1711]: 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, 303 locations, 21 error locations. Started 1 CEGAR loops. OverallTime: 116.3s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 7.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 99.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 392 SdHoareTripleChecker+Valid, 5.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 392 mSDsluCounter, 547 SdHoareTripleChecker+Invalid, 4.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 131 mSDsCounter, 66 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3198 IncrementalHoareTripleChecker+Invalid, 3264 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 66 mSolverCounterUnsat, 416 mSDtfsCounter, 3198 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=28463occurred in iteration=6, InterpolantAutomatonStates: 29, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 5.5s AutomataMinimizationTime, 6 MinimizatonAttempts, 3278 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 56 NumberOfCodeBlocks, 56 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 38 ConstructedInterpolants, 0 QuantifiedInterpolants, 389 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 02:20:59,402 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5080ddc8-c095-40cd-a197-e790cf074381/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE