./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/ldv-races/race-3_2b-container_of-global.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3398d9d5-583e-4f10-90e1-5d6df4edbfac/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3398d9d5-583e-4f10-90e1-5d6df4edbfac/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_3398d9d5-583e-4f10-90e1-5d6df4edbfac/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3398d9d5-583e-4f10-90e1-5d6df4edbfac/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-races/race-3_2b-container_of-global.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3398d9d5-583e-4f10-90e1-5d6df4edbfac/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_3398d9d5-583e-4f10-90e1-5d6df4edbfac/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 ac3e81ad3f9db95a5de1f98d474d0156e76fb4d993d4f8e52a09f0c02342da59 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-22 01:40:17,298 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 01:40:17,300 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 01:40:17,330 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 01:40:17,330 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 01:40:17,331 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 01:40:17,333 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 01:40:17,337 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 01:40:17,341 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 01:40:17,348 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 01:40:17,349 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 01:40:17,353 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 01:40:17,353 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 01:40:17,358 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 01:40:17,360 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 01:40:17,361 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 01:40:17,362 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 01:40:17,363 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 01:40:17,364 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 01:40:17,366 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 01:40:17,367 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 01:40:17,368 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 01:40:17,369 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 01:40:17,370 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 01:40:17,374 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 01:40:17,374 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 01:40:17,374 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 01:40:17,375 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 01:40:17,376 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 01:40:17,377 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 01:40:17,377 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 01:40:17,378 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 01:40:17,378 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 01:40:17,379 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 01:40:17,380 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 01:40:17,381 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 01:40:17,381 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 01:40:17,382 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 01:40:17,382 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 01:40:17,383 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 01:40:17,384 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 01:40:17,385 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3398d9d5-583e-4f10-90e1-5d6df4edbfac/bin/utaipan-g80aRyZoba/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-22 01:40:17,407 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 01:40:17,407 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 01:40:17,407 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 01:40:17,408 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 01:40:17,408 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 01:40:17,409 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 01:40:17,409 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 01:40:17,409 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 01:40:17,410 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 01:40:17,410 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 01:40:17,410 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 01:40:17,410 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 01:40:17,411 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 01:40:17,411 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 01:40:17,411 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 01:40:17,411 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 01:40:17,412 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 01:40:17,412 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 01:40:17,413 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 01:40:17,413 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-22 01:40:17,413 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 01:40:17,414 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 01:40:17,414 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-22 01:40:17,414 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 01:40:17,414 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 01:40:17,415 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 01:40:17,415 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 01:40:17,415 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-22 01:40:17,415 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-22 01:40:17,416 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 01:40:17,416 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 01:40:17,416 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 01:40:17,416 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 01:40:17,417 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 01:40:17,417 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:40:17,417 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 01:40:17,417 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 01:40:17,418 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 01:40:17,418 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 01:40:17,418 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 01:40:17,419 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 01:40:17,419 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 01:40:17,419 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 01:40:17,419 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_3398d9d5-583e-4f10-90e1-5d6df4edbfac/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3398d9d5-583e-4f10-90e1-5d6df4edbfac/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac3e81ad3f9db95a5de1f98d474d0156e76fb4d993d4f8e52a09f0c02342da59 [2022-11-22 01:40:17,648 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 01:40:17,676 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 01:40:17,679 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 01:40:17,680 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 01:40:17,681 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 01:40:17,682 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3398d9d5-583e-4f10-90e1-5d6df4edbfac/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/ldv-races/race-3_2b-container_of-global.i [2022-11-22 01:40:20,809 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 01:40:21,164 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 01:40:21,165 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3398d9d5-583e-4f10-90e1-5d6df4edbfac/sv-benchmarks/c/ldv-races/race-3_2b-container_of-global.i [2022-11-22 01:40:21,194 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3398d9d5-583e-4f10-90e1-5d6df4edbfac/bin/utaipan-g80aRyZoba/data/6265f28dd/25627e24a6ff4385bf3ba35337b30830/FLAGfdf0a0e3f [2022-11-22 01:40:21,211 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3398d9d5-583e-4f10-90e1-5d6df4edbfac/bin/utaipan-g80aRyZoba/data/6265f28dd/25627e24a6ff4385bf3ba35337b30830 [2022-11-22 01:40:21,216 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 01:40:21,218 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 01:40:21,222 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 01:40:21,222 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 01:40:21,226 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 01:40:21,228 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:40:21" (1/1) ... [2022-11-22 01:40:21,229 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c9ea568 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:40:21, skipping insertion in model container [2022-11-22 01:40:21,230 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:40:21" (1/1) ... [2022-11-22 01:40:21,238 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 01:40:21,290 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 01:40:22,161 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_3398d9d5-583e-4f10-90e1-5d6df4edbfac/sv-benchmarks/c/ldv-races/race-3_2b-container_of-global.i[76084,76097] [2022-11-22 01:40:22,256 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:40:22,267 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 01:40:22,352 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_3398d9d5-583e-4f10-90e1-5d6df4edbfac/sv-benchmarks/c/ldv-races/race-3_2b-container_of-global.i[76084,76097] [2022-11-22 01:40:22,372 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:40:22,477 INFO L208 MainTranslator]: Completed translation [2022-11-22 01:40:22,478 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:40:22 WrapperNode [2022-11-22 01:40:22,478 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 01:40:22,479 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 01:40:22,479 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 01:40:22,480 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 01:40:22,488 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:40:22" (1/1) ... [2022-11-22 01:40:22,526 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:40:22" (1/1) ... [2022-11-22 01:40:22,559 INFO L138 Inliner]: procedures = 481, calls = 45, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 206 [2022-11-22 01:40:22,560 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 01:40:22,561 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 01:40:22,561 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 01:40:22,561 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 01:40:22,571 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:40:22" (1/1) ... [2022-11-22 01:40:22,571 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:40:22" (1/1) ... [2022-11-22 01:40:22,576 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:40:22" (1/1) ... [2022-11-22 01:40:22,577 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:40:22" (1/1) ... [2022-11-22 01:40:22,597 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:40:22" (1/1) ... [2022-11-22 01:40:22,599 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:40:22" (1/1) ... [2022-11-22 01:40:22,603 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:40:22" (1/1) ... [2022-11-22 01:40:22,606 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:40:22" (1/1) ... [2022-11-22 01:40:22,611 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 01:40:22,612 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 01:40:22,612 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 01:40:22,612 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 01:40:22,613 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:40:22" (1/1) ... [2022-11-22 01:40:22,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:40:22,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3398d9d5-583e-4f10-90e1-5d6df4edbfac/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:40:22,657 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3398d9d5-583e-4f10-90e1-5d6df4edbfac/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 01:40:22,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3398d9d5-583e-4f10-90e1-5d6df4edbfac/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 01:40:22,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 01:40:22,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 01:40:22,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 01:40:22,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-22 01:40:22,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 01:40:22,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 01:40:22,717 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2022-11-22 01:40:22,717 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2022-11-22 01:40:22,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 01:40:22,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 01:40:22,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 01:40:22,719 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-22 01:40:23,172 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 01:40:23,174 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 01:40:23,765 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 01:40:23,776 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 01:40:23,776 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-22 01:40:23,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:40:23 BoogieIcfgContainer [2022-11-22 01:40:23,779 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 01:40:23,781 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 01:40:23,781 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 01:40:23,785 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 01:40:23,785 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:40:21" (1/3) ... [2022-11-22 01:40:23,786 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41b436af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:40:23, skipping insertion in model container [2022-11-22 01:40:23,786 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:40:22" (2/3) ... [2022-11-22 01:40:23,787 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41b436af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:40:23, skipping insertion in model container [2022-11-22 01:40:23,787 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:40:23" (3/3) ... [2022-11-22 01:40:23,788 INFO L112 eAbstractionObserver]: Analyzing ICFG race-3_2b-container_of-global.i [2022-11-22 01:40:23,798 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-22 01:40:23,809 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 01:40:23,809 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 17 error locations. [2022-11-22 01:40:23,809 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-22 01:40:23,902 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-22 01:40:23,952 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-22 01:40:23,974 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 315 places, 317 transitions, 650 flow [2022-11-22 01:40:23,985 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 315 places, 317 transitions, 650 flow [2022-11-22 01:40:23,987 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 315 places, 317 transitions, 650 flow [2022-11-22 01:40:24,207 INFO L130 PetriNetUnfolder]: 10/394 cut-off events. [2022-11-22 01:40:24,209 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-22 01:40:24,220 INFO L83 FinitePrefix]: Finished finitePrefix Result has 403 conditions, 394 events. 10/394 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 794 event pairs, 0 based on Foata normal form. 0/356 useless extension candidates. Maximal degree in co-relation 226. Up to 4 conditions per place. [2022-11-22 01:40:24,234 INFO L119 LiptonReduction]: Number of co-enabled transitions 15120 [2022-11-22 01:41:17,926 WARN L233 SmtUtils]: Spent 8.51s on a formula simplification. DAG size of input: 176 DAG size of output: 172 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 01:41:24,844 WARN L233 SmtUtils]: Spent 5.88s on a formula simplification. DAG size of input: 176 DAG size of output: 172 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 01:41:45,783 WARN L233 SmtUtils]: Spent 10.05s on a formula simplification. DAG size of input: 201 DAG size of output: 199 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 01:42:02,033 WARN L233 SmtUtils]: Spent 12.34s on a formula simplification. DAG size of input: 210 DAG size of output: 206 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 01:42:28,052 WARN L233 SmtUtils]: Spent 23.06s on a formula simplification. DAG size of input: 217 DAG size of output: 215 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 01:42:37,167 WARN L233 SmtUtils]: Spent 9.11s on a formula simplification that was a NOOP. DAG size: 195 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 01:43:02,284 WARN L233 SmtUtils]: Spent 25.11s on a formula simplification. DAG size of input: 226 DAG size of output: 222 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 01:43:10,282 WARN L233 SmtUtils]: Spent 7.99s on a formula simplification that was a NOOP. DAG size: 201 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 01:43:10,494 INFO L134 LiptonReduction]: Checked pairs total: 191037 [2022-11-22 01:43:10,528 INFO L136 LiptonReduction]: Total number of compositions: 296 [2022-11-22 01:43:10,547 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 112 places, 110 transitions, 236 flow [2022-11-22 01:43:11,298 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 21621 states, 21429 states have (on average 2.9539409211815766) internal successors, (63300), 21620 states have internal predecessors, (63300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:43:11,336 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 01:43:11,341 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;@40b510a0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 01:43:11,342 INFO L358 AbstractCegarLoop]: Starting to check reachability of 27 error locations. [2022-11-22 01:43:11,384 INFO L276 IsEmpty]: Start isEmpty. Operand has 21621 states, 21429 states have (on average 2.9539409211815766) internal successors, (63300), 21620 states have internal predecessors, (63300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:43:11,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-11-22 01:43:11,389 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:43:11,389 INFO L195 NwaCegarLoop]: trace histogram [1] [2022-11-22 01:43:11,390 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-22 01:43:11,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:43:11,398 INFO L85 PathProgramCache]: Analyzing trace with hash 1007, now seen corresponding path program 1 times [2022-11-22 01:43:11,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:43:11,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67558248] [2022-11-22 01:43:11,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:43:11,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:43:11,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:43:11,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:43:11,629 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:43:11,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67558248] [2022-11-22 01:43:11,630 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [67558248] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:43:11,630 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:43:11,630 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-11-22 01:43:11,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872698513] [2022-11-22 01:43:11,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:43:11,637 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-22 01:43:11,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:43:11,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-22 01:43:11,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-22 01:43:11,700 INFO L87 Difference]: Start difference. First operand has 21621 states, 21429 states have (on average 2.9539409211815766) internal successors, (63300), 21620 states have internal predecessors, (63300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:43:12,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:43:12,200 INFO L93 Difference]: Finished difference Result 19864 states and 57022 transitions. [2022-11-22 01:43:12,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-22 01:43:12,204 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1 [2022-11-22 01:43:12,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:43:12,552 INFO L225 Difference]: With dead ends: 19864 [2022-11-22 01:43:12,553 INFO L226 Difference]: Without dead ends: 19862 [2022-11-22 01:43:12,554 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-22 01:43:12,565 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-22 01:43:12,567 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 67 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-22 01:43:12,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19862 states. [2022-11-22 01:43:13,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19862 to 19862. [2022-11-22 01:43:13,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19862 states, 19743 states have (on average 2.888010940586537) internal successors, (57018), 19861 states have internal predecessors, (57018), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:43:13,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19862 states to 19862 states and 57018 transitions. [2022-11-22 01:43:13,968 INFO L78 Accepts]: Start accepts. Automaton has 19862 states and 57018 transitions. Word has length 1 [2022-11-22 01:43:13,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:43:13,969 INFO L495 AbstractCegarLoop]: Abstraction has 19862 states and 57018 transitions. [2022-11-22 01:43:13,970 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:43:13,971 INFO L276 IsEmpty]: Start isEmpty. Operand 19862 states and 57018 transitions. [2022-11-22 01:43:13,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-22 01:43:13,972 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:43:13,973 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:43:13,973 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 01:43:13,974 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-22 01:43:13,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:43:13,977 INFO L85 PathProgramCache]: Analyzing trace with hash -715760328, now seen corresponding path program 1 times [2022-11-22 01:43:13,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:43:13,979 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977567191] [2022-11-22 01:43:13,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:43:13,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:43:14,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:43:14,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:43:14,444 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:43:14,444 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977567191] [2022-11-22 01:43:14,444 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977567191] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:43:14,445 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:43:14,445 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-22 01:43:14,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699307331] [2022-11-22 01:43:14,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:43:14,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:43:14,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:43:14,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:43:14,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:43:14,448 INFO L87 Difference]: Start difference. First operand 19862 states and 57018 transitions. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:43:14,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:43:14,973 INFO L93 Difference]: Finished difference Result 19879 states and 57034 transitions. [2022-11-22 01:43:14,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:43:14,974 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-11-22 01:43:14,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:43:15,061 INFO L225 Difference]: With dead ends: 19879 [2022-11-22 01:43:15,061 INFO L226 Difference]: Without dead ends: 19879 [2022-11-22 01:43:15,062 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:43:15,063 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 72 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-22 01:43:15,064 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 163 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-22 01:43:15,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19879 states. [2022-11-22 01:43:15,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19879 to 19856. [2022-11-22 01:43:15,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19856 states, 19738 states have (on average 2.888438544938697) internal successors, (57012), 19855 states have internal predecessors, (57012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:43:15,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19856 states to 19856 states and 57012 transitions. [2022-11-22 01:43:15,776 INFO L78 Accepts]: Start accepts. Automaton has 19856 states and 57012 transitions. Word has length 7 [2022-11-22 01:43:15,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:43:15,777 INFO L495 AbstractCegarLoop]: Abstraction has 19856 states and 57012 transitions. [2022-11-22 01:43:15,777 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:43:15,777 INFO L276 IsEmpty]: Start isEmpty. Operand 19856 states and 57012 transitions. [2022-11-22 01:43:15,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-22 01:43:15,778 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:43:15,778 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:43:15,778 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 01:43:15,779 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-22 01:43:15,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:43:15,779 INFO L85 PathProgramCache]: Analyzing trace with hash -453724825, now seen corresponding path program 1 times [2022-11-22 01:43:15,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:43:15,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464294711] [2022-11-22 01:43:15,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:43:15,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:43:15,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:43:16,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:43:16,533 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:43:16,533 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464294711] [2022-11-22 01:43:16,533 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [464294711] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:43:16,534 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:43:16,534 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 01:43:16,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731182971] [2022-11-22 01:43:16,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:43:16,535 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 01:43:16,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:43:16,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 01:43:16,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:43:16,537 INFO L87 Difference]: Start difference. First operand 19856 states and 57012 transitions. Second operand has 6 states, 5 states have (on average 1.4) internal successors, (7), 6 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:43:17,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:43:17,842 INFO L93 Difference]: Finished difference Result 22446 states and 64554 transitions. [2022-11-22 01:43:17,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 01:43:17,843 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.4) internal successors, (7), 6 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-11-22 01:43:17,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:43:17,933 INFO L225 Difference]: With dead ends: 22446 [2022-11-22 01:43:17,934 INFO L226 Difference]: Without dead ends: 22446 [2022-11-22 01:43:17,934 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:43:17,935 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 81 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 666 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 674 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 666 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:43:17,936 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 87 Invalid, 674 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 666 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-22 01:43:17,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22446 states. [2022-11-22 01:43:18,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22446 to 21926. [2022-11-22 01:43:18,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21926 states, 21809 states have (on average 2.890549773029483) internal successors, (63040), 21925 states have internal predecessors, (63040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:43:18,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21926 states to 21926 states and 63040 transitions. [2022-11-22 01:43:18,650 INFO L78 Accepts]: Start accepts. Automaton has 21926 states and 63040 transitions. Word has length 7 [2022-11-22 01:43:18,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:43:18,651 INFO L495 AbstractCegarLoop]: Abstraction has 21926 states and 63040 transitions. [2022-11-22 01:43:18,651 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.4) internal successors, (7), 6 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:43:18,651 INFO L276 IsEmpty]: Start isEmpty. Operand 21926 states and 63040 transitions. [2022-11-22 01:43:18,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-22 01:43:18,653 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:43:18,653 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:43:18,653 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-22 01:43:18,653 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting my_callbackErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-22 01:43:18,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:43:18,654 INFO L85 PathProgramCache]: Analyzing trace with hash 18093864, now seen corresponding path program 1 times [2022-11-22 01:43:18,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:43:18,654 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325967837] [2022-11-22 01:43:18,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:43:18,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:43:18,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:43:19,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:43:19,367 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:43:19,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325967837] [2022-11-22 01:43:19,368 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [325967837] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:43:19,368 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:43:19,368 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 01:43:19,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092195712] [2022-11-22 01:43:19,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:43:19,369 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 01:43:19,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:43:19,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 01:43:19,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:43:19,370 INFO L87 Difference]: Start difference. First operand 21926 states and 63040 transitions. Second operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:43:20,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:43:20,871 INFO L93 Difference]: Finished difference Result 26193 states and 75521 transitions. [2022-11-22 01:43:20,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 01:43:20,873 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-11-22 01:43:20,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:43:20,982 INFO L225 Difference]: With dead ends: 26193 [2022-11-22 01:43:20,982 INFO L226 Difference]: Without dead ends: 26193 [2022-11-22 01:43:20,982 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:43:20,983 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 115 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 793 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 800 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 793 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-22 01:43:20,984 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 74 Invalid, 800 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 793 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-22 01:43:21,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26193 states. [2022-11-22 01:43:21,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26193 to 25265. [2022-11-22 01:43:21,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25265 states, 25148 states have (on average 2.895021472880547) internal successors, (72804), 25264 states have internal predecessors, (72804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:43:21,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25265 states to 25265 states and 72804 transitions. [2022-11-22 01:43:21,883 INFO L78 Accepts]: Start accepts. Automaton has 25265 states and 72804 transitions. Word has length 9 [2022-11-22 01:43:21,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:43:21,883 INFO L495 AbstractCegarLoop]: Abstraction has 25265 states and 72804 transitions. [2022-11-22 01:43:21,884 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:43:21,885 INFO L276 IsEmpty]: Start isEmpty. Operand 25265 states and 72804 transitions. [2022-11-22 01:43:21,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-22 01:43:21,896 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:43:21,896 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:43:21,896 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-22 01:43:21,897 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-22 01:43:21,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:43:21,897 INFO L85 PathProgramCache]: Analyzing trace with hash 909118303, now seen corresponding path program 1 times [2022-11-22 01:43:21,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:43:21,899 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545142274] [2022-11-22 01:43:21,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:43:21,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:43:21,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:43:22,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:43:22,444 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:43:22,444 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545142274] [2022-11-22 01:43:22,444 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545142274] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:43:22,444 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:43:22,444 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 01:43:22,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561053756] [2022-11-22 01:43:22,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:43:22,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 01:43:22,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:43:22,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 01:43:22,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:43:22,446 INFO L87 Difference]: Start difference. First operand 25265 states and 72804 transitions. Second operand has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:43:23,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:43:23,695 INFO L93 Difference]: Finished difference Result 28150 states and 80399 transitions. [2022-11-22 01:43:23,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 01:43:23,697 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-22 01:43:23,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:43:23,810 INFO L225 Difference]: With dead ends: 28150 [2022-11-22 01:43:23,811 INFO L226 Difference]: Without dead ends: 28150 [2022-11-22 01:43:23,811 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:43:23,812 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 108 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 446 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 504 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 446 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-22 01:43:23,812 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 73 Invalid, 504 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 446 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-22 01:43:23,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28150 states. [2022-11-22 01:43:24,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28150 to 27333. [2022-11-22 01:43:24,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27333 states, 27216 states have (on average 2.8962375073486184) internal successors, (78824), 27332 states have internal predecessors, (78824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:43:24,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27333 states to 27333 states and 78824 transitions. [2022-11-22 01:43:24,942 INFO L78 Accepts]: Start accepts. Automaton has 27333 states and 78824 transitions. Word has length 11 [2022-11-22 01:43:24,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:43:24,943 INFO L495 AbstractCegarLoop]: Abstraction has 27333 states and 78824 transitions. [2022-11-22 01:43:24,943 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:43:24,943 INFO L276 IsEmpty]: Start isEmpty. Operand 27333 states and 78824 transitions. [2022-11-22 01:43:24,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-22 01:43:24,947 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:43:24,948 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:43:24,948 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-22 01:43:24,948 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting my_callbackErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-22 01:43:24,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:43:24,948 INFO L85 PathProgramCache]: Analyzing trace with hash -1560435840, now seen corresponding path program 1 times [2022-11-22 01:43:24,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:43:24,949 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549856518] [2022-11-22 01:43:24,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:43:24,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:43:24,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:43:25,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:43:25,346 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:43:25,346 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549856518] [2022-11-22 01:43:25,346 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549856518] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:43:25,346 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:43:25,346 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 01:43:25,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724048067] [2022-11-22 01:43:25,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:43:25,347 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 01:43:25,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:43:25,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 01:43:25,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:43:25,348 INFO L87 Difference]: Start difference. First operand 27333 states and 78824 transitions. Second operand has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:43:27,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:43:27,455 INFO L93 Difference]: Finished difference Result 31869 states and 92055 transitions. [2022-11-22 01:43:27,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 01:43:27,456 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-22 01:43:27,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:43:27,558 INFO L225 Difference]: With dead ends: 31869 [2022-11-22 01:43:27,558 INFO L226 Difference]: Without dead ends: 31869 [2022-11-22 01:43:27,559 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:43:27,559 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 126 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 1120 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 1125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-22 01:43:27,560 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 85 Invalid, 1125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1120 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-22 01:43:27,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31869 states. [2022-11-22 01:43:28,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31869 to 30701. [2022-11-22 01:43:28,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30701 states, 30584 states have (on average 2.8981166623070886) internal successors, (88636), 30700 states have internal predecessors, (88636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:43:28,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30701 states to 30701 states and 88636 transitions. [2022-11-22 01:43:28,466 INFO L78 Accepts]: Start accepts. Automaton has 30701 states and 88636 transitions. Word has length 11 [2022-11-22 01:43:28,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:43:28,466 INFO L495 AbstractCegarLoop]: Abstraction has 30701 states and 88636 transitions. [2022-11-22 01:43:28,466 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:43:28,466 INFO L276 IsEmpty]: Start isEmpty. Operand 30701 states and 88636 transitions. [2022-11-22 01:43:28,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-22 01:43:28,468 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:43:28,468 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:43:28,468 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-22 01:43:28,468 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-22 01:43:28,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:43:28,469 INFO L85 PathProgramCache]: Analyzing trace with hash -1661225204, now seen corresponding path program 1 times [2022-11-22 01:43:28,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:43:28,469 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461515345] [2022-11-22 01:43:28,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:43:28,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:43:28,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:43:29,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:43:29,121 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:43:29,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461515345] [2022-11-22 01:43:29,121 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1461515345] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:43:29,121 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:43:29,121 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 01:43:29,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796093264] [2022-11-22 01:43:29,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:43:29,122 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 01:43:29,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:43:29,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 01:43:29,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:43:29,123 INFO L87 Difference]: Start difference. First operand 30701 states and 88636 transitions. Second operand has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:43:30,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:43:30,156 INFO L93 Difference]: Finished difference Result 33461 states and 96680 transitions. [2022-11-22 01:43:30,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 01:43:30,157 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-22 01:43:30,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:43:30,262 INFO L225 Difference]: With dead ends: 33461 [2022-11-22 01:43:30,263 INFO L226 Difference]: Without dead ends: 33461 [2022-11-22 01:43:30,263 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:43:30,264 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 83 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 464 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 464 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-22 01:43:30,264 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 82 Invalid, 473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 464 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-22 01:43:30,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33461 states. [2022-11-22 01:43:31,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33461 to 32764. [2022-11-22 01:43:31,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32764 states, 32648 states have (on average 2.898891203136486) internal successors, (94643), 32763 states have internal predecessors, (94643), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:43:31,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32764 states to 32764 states and 94643 transitions. [2022-11-22 01:43:31,319 INFO L78 Accepts]: Start accepts. Automaton has 32764 states and 94643 transitions. Word has length 13 [2022-11-22 01:43:31,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:43:31,320 INFO L495 AbstractCegarLoop]: Abstraction has 32764 states and 94643 transitions. [2022-11-22 01:43:31,320 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:43:31,320 INFO L276 IsEmpty]: Start isEmpty. Operand 32764 states and 94643 transitions. [2022-11-22 01:43:31,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-22 01:43:31,322 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:43:31,322 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:43:31,322 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-22 01:43:31,322 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting my_callbackErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-22 01:43:31,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:43:31,323 INFO L85 PathProgramCache]: Analyzing trace with hash -1597196513, now seen corresponding path program 1 times [2022-11-22 01:43:31,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:43:31,323 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532277775] [2022-11-22 01:43:31,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:43:31,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:43:31,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:43:31,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:43:31,949 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:43:31,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532277775] [2022-11-22 01:43:31,950 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1532277775] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:43:31,950 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:43:31,950 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-22 01:43:31,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160105559] [2022-11-22 01:43:31,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:43:31,950 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-22 01:43:31,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:43:31,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-22 01:43:31,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-11-22 01:43:31,951 INFO L87 Difference]: Start difference. First operand 32764 states and 94643 transitions. Second operand has 9 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:43:34,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:43:34,681 INFO L93 Difference]: Finished difference Result 35420 states and 101657 transitions. [2022-11-22 01:43:34,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-22 01:43:34,683 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-11-22 01:43:34,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:43:34,793 INFO L225 Difference]: With dead ends: 35420 [2022-11-22 01:43:34,793 INFO L226 Difference]: Without dead ends: 35420 [2022-11-22 01:43:34,793 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2022-11-22 01:43:34,794 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 404 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 1439 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 404 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 1471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 1439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-22 01:43:34,795 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [404 Valid, 113 Invalid, 1471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 1439 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-22 01:43:34,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35420 states. [2022-11-22 01:43:35,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35420 to 32985. [2022-11-22 01:43:35,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32985 states, 32869 states have (on average 2.899540600565883) internal successors, (95305), 32984 states have internal predecessors, (95305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:43:35,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32985 states to 32985 states and 95305 transitions. [2022-11-22 01:43:35,650 INFO L78 Accepts]: Start accepts. Automaton has 32985 states and 95305 transitions. Word has length 14 [2022-11-22 01:43:35,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:43:35,651 INFO L495 AbstractCegarLoop]: Abstraction has 32985 states and 95305 transitions. [2022-11-22 01:43:35,651 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:43:35,651 INFO L276 IsEmpty]: Start isEmpty. Operand 32985 states and 95305 transitions. [2022-11-22 01:43:35,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-22 01:43:35,652 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:43:35,653 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:43:35,653 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-22 01:43:35,653 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting my_callbackErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-22 01:43:35,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:43:35,654 INFO L85 PathProgramCache]: Analyzing trace with hash -1597187895, now seen corresponding path program 1 times [2022-11-22 01:43:35,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:43:35,654 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203251444] [2022-11-22 01:43:35,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:43:35,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:43:35,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:43:35,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:43:35,736 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:43:35,736 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203251444] [2022-11-22 01:43:35,736 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1203251444] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:43:35,736 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:43:35,736 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:43:35,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192046032] [2022-11-22 01:43:35,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:43:35,737 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:43:35,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:43:35,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:43:35,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:43:35,738 INFO L87 Difference]: Start difference. First operand 32985 states and 95305 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:43:35,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:43:35,972 INFO L93 Difference]: Finished difference Result 8946 states and 25056 transitions. [2022-11-22 01:43:35,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:43:35,973 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-11-22 01:43:35,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:43:35,993 INFO L225 Difference]: With dead ends: 8946 [2022-11-22 01:43:35,993 INFO L226 Difference]: Without dead ends: 8946 [2022-11-22 01:43:35,993 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:43:35,994 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 82 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-22 01:43:35,994 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 165 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-22 01:43:36,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8946 states. [2022-11-22 01:43:36,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8946 to 8925. [2022-11-22 01:43:36,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8925 states, 8888 states have (on average 2.8168316831683167) internal successors, (25036), 8924 states have internal predecessors, (25036), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:43:36,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8925 states to 8925 states and 25036 transitions. [2022-11-22 01:43:36,461 INFO L78 Accepts]: Start accepts. Automaton has 8925 states and 25036 transitions. Word has length 14 [2022-11-22 01:43:36,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:43:36,462 INFO L495 AbstractCegarLoop]: Abstraction has 8925 states and 25036 transitions. [2022-11-22 01:43:36,462 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:43:36,463 INFO L276 IsEmpty]: Start isEmpty. Operand 8925 states and 25036 transitions. [2022-11-22 01:43:36,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-22 01:43:36,466 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:43:36,466 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:43:36,466 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-22 01:43:36,466 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting my_callbackErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-22 01:43:36,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:43:36,467 INFO L85 PathProgramCache]: Analyzing trace with hash -1599009703, now seen corresponding path program 1 times [2022-11-22 01:43:36,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:43:36,468 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591952659] [2022-11-22 01:43:36,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:43:36,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:43:36,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-22 01:43:36,542 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-22 01:43:36,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-22 01:43:36,635 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-22 01:43:36,635 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-22 01:43:36,636 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (26 of 27 remaining) [2022-11-22 01:43:36,639 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (25 of 27 remaining) [2022-11-22 01:43:36,640 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (24 of 27 remaining) [2022-11-22 01:43:36,640 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (23 of 27 remaining) [2022-11-22 01:43:36,640 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (22 of 27 remaining) [2022-11-22 01:43:36,641 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (21 of 27 remaining) [2022-11-22 01:43:36,641 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (20 of 27 remaining) [2022-11-22 01:43:36,641 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (19 of 27 remaining) [2022-11-22 01:43:36,641 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (18 of 27 remaining) [2022-11-22 01:43:36,642 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (17 of 27 remaining) [2022-11-22 01:43:36,642 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (16 of 27 remaining) [2022-11-22 01:43:36,644 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (15 of 27 remaining) [2022-11-22 01:43:36,644 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (14 of 27 remaining) [2022-11-22 01:43:36,645 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (13 of 27 remaining) [2022-11-22 01:43:36,645 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 27 remaining) [2022-11-22 01:43:36,645 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 27 remaining) [2022-11-22 01:43:36,645 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (10 of 27 remaining) [2022-11-22 01:43:36,646 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (9 of 27 remaining) [2022-11-22 01:43:36,646 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (8 of 27 remaining) [2022-11-22 01:43:36,646 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr3ASSERT_VIOLATIONDATA_RACE (7 of 27 remaining) [2022-11-22 01:43:36,646 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (6 of 27 remaining) [2022-11-22 01:43:36,647 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (5 of 27 remaining) [2022-11-22 01:43:36,647 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr3ASSERT_VIOLATIONDATA_RACE (4 of 27 remaining) [2022-11-22 01:43:36,647 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (3 of 27 remaining) [2022-11-22 01:43:36,647 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (2 of 27 remaining) [2022-11-22 01:43:36,648 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (1 of 27 remaining) [2022-11-22 01:43:36,648 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr3ASSERT_VIOLATIONDATA_RACE (0 of 27 remaining) [2022-11-22 01:43:36,648 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-22 01:43:36,651 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:43:36,658 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-22 01:43:36,658 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-22 01:43:36,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 01:43:36 BasicIcfg [2022-11-22 01:43:36,727 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-22 01:43:36,728 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-22 01:43:36,728 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-22 01:43:36,728 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-22 01:43:36,729 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:40:23" (3/4) ... [2022-11-22 01:43:36,732 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-22 01:43:36,732 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-22 01:43:36,733 INFO L158 Benchmark]: Toolchain (without parser) took 195514.57ms. Allocated memory was 132.1MB in the beginning and 9.6GB in the end (delta: 9.5GB). Free memory was 91.0MB in the beginning and 8.6GB in the end (delta: -8.5GB). Peak memory consumption was 943.6MB. Max. memory is 16.1GB. [2022-11-22 01:43:36,733 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 107.0MB. Free memory was 55.3MB in the beginning and 55.2MB in the end (delta: 117.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 01:43:36,734 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1256.69ms. Allocated memory is still 132.1MB. Free memory was 91.0MB in the beginning and 66.7MB in the end (delta: 24.3MB). Peak memory consumption was 31.8MB. Max. memory is 16.1GB. [2022-11-22 01:43:36,734 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.85ms. Allocated memory is still 132.1MB. Free memory was 66.7MB in the beginning and 62.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-22 01:43:36,734 INFO L158 Benchmark]: Boogie Preprocessor took 50.78ms. Allocated memory is still 132.1MB. Free memory was 62.5MB in the beginning and 58.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-22 01:43:36,735 INFO L158 Benchmark]: RCFGBuilder took 1167.08ms. Allocated memory is still 132.1MB. Free memory was 58.3MB in the beginning and 71.3MB in the end (delta: -13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-22 01:43:36,736 INFO L158 Benchmark]: TraceAbstraction took 192946.51ms. Allocated memory was 132.1MB in the beginning and 9.6GB in the end (delta: 9.5GB). Free memory was 70.6MB in the beginning and 8.6GB in the end (delta: -8.5GB). Peak memory consumption was 922.2MB. Max. memory is 16.1GB. [2022-11-22 01:43:36,736 INFO L158 Benchmark]: Witness Printer took 4.13ms. Allocated memory is still 9.6GB. Free memory is still 8.6GB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 01:43:36,738 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 107.0MB. Free memory was 55.3MB in the beginning and 55.2MB in the end (delta: 117.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1256.69ms. Allocated memory is still 132.1MB. Free memory was 91.0MB in the beginning and 66.7MB in the end (delta: 24.3MB). Peak memory consumption was 31.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.85ms. Allocated memory is still 132.1MB. Free memory was 66.7MB in the beginning and 62.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.78ms. Allocated memory is still 132.1MB. Free memory was 62.5MB in the beginning and 58.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1167.08ms. Allocated memory is still 132.1MB. Free memory was 58.3MB in the beginning and 71.3MB in the end (delta: -13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 192946.51ms. Allocated memory was 132.1MB in the beginning and 9.6GB in the end (delta: 9.5GB). Free memory was 70.6MB in the beginning and 8.6GB in the end (delta: -8.5GB). Peak memory consumption was 922.2MB. Max. memory is 16.1GB. * Witness Printer took 4.13ms. Allocated memory is still 9.6GB. Free memory is still 8.6GB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 166.5s, 315 PlacesBefore, 112 PlacesAfterwards, 317 TransitionsBefore, 110 TransitionsAfterwards, 15120 CoEnabledTransitionPairs, 18 FixpointIterations, 166 TrivialSequentialCompositions, 88 ConcurrentSequentialCompositions, 9 TrivialYvCompositions, 29 ConcurrentYvCompositions, 4 ChoiceCompositions, 296 TotalNumberOfCompositions, 191037 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 20168, independent: 17043, independent conditional: 0, independent unconditional: 17043, dependent: 3100, dependent conditional: 0, dependent unconditional: 3100, unknown: 25, unknown conditional: 0, unknown unconditional: 25] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8462, independent: 8191, independent conditional: 0, independent unconditional: 8191, dependent: 263, dependent conditional: 0, dependent unconditional: 263, unknown: 8, unknown conditional: 0, unknown unconditional: 8] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 8462, independent: 7560, independent conditional: 0, independent unconditional: 7560, dependent: 902, dependent conditional: 0, dependent unconditional: 902, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 902, independent: 631, independent conditional: 0, independent unconditional: 631, dependent: 263, dependent conditional: 0, dependent unconditional: 263, unknown: 8, unknown conditional: 0, unknown unconditional: 8] , SemanticIndependenceRelation.Query Time [ms]: [ total: 18423, independent: 517, independent conditional: 0, independent unconditional: 517, dependent: 1019, dependent conditional: 0, dependent unconditional: 1019, unknown: 16887, unknown conditional: 0, unknown unconditional: 16887] ], Cache Queries: [ total: 20168, independent: 8852, independent conditional: 0, independent unconditional: 8852, dependent: 2837, dependent conditional: 0, dependent unconditional: 2837, unknown: 8479, unknown conditional: 0, unknown unconditional: 8479] , Statistics on independence cache: Total cache size (in pairs): 877, Positive cache size: 678, Positive conditional cache size: 0, Positive unconditional cache size: 678, Negative cache size: 199, Negative conditional cache size: 0, Negative unconditional cache size: 199, Unknown cache size: 1, Unknown conditional cache size: 0, Unknown unconditional cache size: 1 - 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; [L1706] 0 struct device *my_dev; [L1744] CALL, EXPR 0 my_drv_init() [L1738] 0 return 0; [L1744] RET, EXPR 0 my_drv_init() [L1744] 0 int ret = my_drv_init(); [L1745] COND TRUE 0 ret==0 [L1746] 0 int probe_ret; [L1747] 0 struct my_data data; [L1748] CALL 0 my_drv_probe(&data) [L1716] 0 data->shared.a = 0 [L1717] 0 data->shared.b = 0 [L1718] EXPR 0 data->shared.a [L1718] EXPR 0 data->shared.a==0 [L1718] CALL 0 ldv_assert(data->shared.a==0) [L1693] COND FALSE 0 !(!expression) [L1718] RET 0 ldv_assert(data->shared.a==0) [L1719] EXPR 0 data->shared.b [L1719] EXPR 0 data->shared.b==0 [L1719] CALL 0 ldv_assert(data->shared.b==0) [L1693] COND FALSE 0 !(!expression) [L1719] RET 0 ldv_assert(data->shared.b==0) [L1720] 0 int res = __VERIFIER_nondet_int(); [L1721] COND FALSE 0 !(\read(res)) [L1723] 0 my_dev = &data->dev [L1724] FCALL, FORK 0 pthread_create(&t1, ((void *)0), my_callback, ((void *)0)) VAL [arg={0:0}, data={5:0}, data={5:0}, my_dev={5:24}, pthread_create(&t1, ((void *)0), my_callback, ((void *)0))=-2, res=0, t1={3:0}, t2={4:0}] [L1708] 1 struct my_data *data; [L1709] 1 const typeof( ((struct my_data *)0)->dev ) *__mptr = (my_dev); [L1709] 1 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (my_dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) [L1710] 1 data->shared.a = 1 VAL [__mptr={5:24}, arg={0:0}, arg={0:0}, data={5:0}, my_dev={5:24}, t1={3:0}, t2={4:0}] [L1725] FCALL, FORK 0 pthread_create(&t2, ((void *)0), my_callback, ((void *)0)) VAL [__mptr={5:24}, arg={0:0}, arg={0:0}, data={5:0}, data={5:0}, data={5:0}, data->shared.a = 1=1159, my_dev={5:24}, pthread_create(&t2, ((void *)0), my_callback, ((void *)0))=-1, res=0, t1={3:0}, t2={4:0}] [L1708] 2 struct my_data *data; [L1709] 2 const typeof( ((struct my_data *)0)->dev ) *__mptr = (my_dev); [L1709] 2 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (my_dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) [L1710] 2 data->shared.a = 1 VAL [__mptr={5:24}, arg={0:0}, arg={0:0}, data={5:0}, data->shared.a = 1=1160, my_dev={5:24}, t1={3:0}, t2={4:0}] Now there is a data race, but we were unable to determine exactly which statements and variables are involved. There could be a race between one of the statements * C: data->shared.b = 0 [1717] * C: my_dev = &data->dev [1723] * C: data->shared.a==0 [1718] * C: data->shared.a = 0 [1716] * C: data->shared.b==0 [1719] * C: data->shared.b = 0 [1717] * C: data->shared.b = 0 [1717] * C: const typeof( ((struct my_data *)0)->dev ) *__mptr = (my_dev); [1709] * C: data->shared.b = 0 [1717] * C: data->shared.a==0 [1718] * C: data->shared.a==0 [1718] * C: data->shared.b==0 [1719] * C: data->shared.a = 0 [1716] * C: data->shared.a = 0 [1716] * C: data->shared.b==0 [1719] * C: data->shared.a = 0 [1716] * C: data->shared.a==0 [1718] * C: data->shared.b==0 [1719] and C: data->shared.a = 1 [1710] - UnprovableResult [Line: 1716]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - 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: 1719]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1723]: 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: 1733]: 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: 1734]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1757]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1751]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1758]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1752]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1725]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 1724]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 1709]: 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. - 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, 347 locations, 27 error locations. Started 1 CEGAR loops. OverallTime: 192.7s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 12.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 167.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1071 SdHoareTripleChecker+Valid, 9.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1071 mSDsluCounter, 909 SdHoareTripleChecker+Invalid, 7.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 242 mSDsCounter, 120 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5089 IncrementalHoareTripleChecker+Invalid, 5209 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 120 mSolverCounterUnsat, 667 mSDtfsCounter, 5089 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=32985occurred in iteration=8, InterpolantAutomatonStates: 52, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 8.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 6609 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.8s InterpolantComputationTime, 101 NumberOfCodeBlocks, 101 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 78 ConstructedInterpolants, 0 QuantifiedInterpolants, 812 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-11-22 01:43:36,859 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3398d9d5-583e-4f10-90e1-5d6df4edbfac/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