./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 4e7fbc69 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_07ded017-93df-47ef-a66f-c480aac2cf79/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07ded017-93df-47ef-a66f-c480aac2cf79/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07ded017-93df-47ef-a66f-c480aac2cf79/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07ded017-93df-47ef-a66f-c480aac2cf79/bin/utaipan-Q6hlc19bkW/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_07ded017-93df-47ef-a66f-c480aac2cf79/bin/utaipan-Q6hlc19bkW/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07ded017-93df-47ef-a66f-c480aac2cf79/bin/utaipan-Q6hlc19bkW --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-4e7fbc6 [2022-11-23 13:42:42,119 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 13:42:42,121 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 13:42:42,163 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 13:42:42,164 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 13:42:42,165 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 13:42:42,166 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 13:42:42,168 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 13:42:42,170 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 13:42:42,174 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 13:42:42,176 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 13:42:42,179 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 13:42:42,180 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 13:42:42,185 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 13:42:42,188 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 13:42:42,190 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 13:42:42,192 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 13:42:42,194 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 13:42:42,196 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 13:42:42,203 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 13:42:42,205 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 13:42:42,207 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 13:42:42,209 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 13:42:42,210 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 13:42:42,218 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 13:42:42,218 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 13:42:42,219 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 13:42:42,220 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 13:42:42,221 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 13:42:42,222 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 13:42:42,223 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 13:42:42,224 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 13:42:42,226 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 13:42:42,227 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 13:42:42,228 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 13:42:42,228 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 13:42:42,229 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 13:42:42,229 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 13:42:42,229 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 13:42:42,230 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 13:42:42,251 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 13:42:42,252 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07ded017-93df-47ef-a66f-c480aac2cf79/bin/utaipan-Q6hlc19bkW/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-23 13:42:42,311 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 13:42:42,311 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 13:42:42,312 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 13:42:42,312 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 13:42:42,313 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 13:42:42,313 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 13:42:42,314 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 13:42:42,314 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 13:42:42,314 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 13:42:42,314 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 13:42:42,315 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 13:42:42,315 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 13:42:42,315 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 13:42:42,316 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 13:42:42,316 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 13:42:42,316 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 13:42:42,316 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 13:42:42,316 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 13:42:42,317 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 13:42:42,317 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 13:42:42,317 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 13:42:42,317 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 13:42:42,318 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 13:42:42,318 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 13:42:42,318 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 13:42:42,318 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 13:42:42,318 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 13:42:42,318 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-23 13:42:42,319 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 13:42:42,319 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 13:42:42,319 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 13:42:42,319 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 13:42:42,320 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 13:42:42,320 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 13:42:42,320 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 13:42:42,320 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 13:42:42,320 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 13:42:42,320 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 13:42:42,321 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 13:42:42,321 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 13:42:42,321 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 13:42:42,321 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 13:42:42,321 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 13:42:42,321 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_07ded017-93df-47ef-a66f-c480aac2cf79/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07ded017-93df-47ef-a66f-c480aac2cf79/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac3e81ad3f9db95a5de1f98d474d0156e76fb4d993d4f8e52a09f0c02342da59 [2022-11-23 13:42:42,541 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 13:42:42,620 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 13:42:42,623 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 13:42:42,624 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 13:42:42,624 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 13:42:42,625 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07ded017-93df-47ef-a66f-c480aac2cf79/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/ldv-races/race-3_2b-container_of-global.i [2022-11-23 13:42:45,626 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 13:42:46,011 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 13:42:46,012 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07ded017-93df-47ef-a66f-c480aac2cf79/sv-benchmarks/c/ldv-races/race-3_2b-container_of-global.i [2022-11-23 13:42:46,031 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07ded017-93df-47ef-a66f-c480aac2cf79/bin/utaipan-Q6hlc19bkW/data/42cb30da0/51ec241a27fc4a0194df9c01280f8519/FLAG1986f10fb [2022-11-23 13:42:46,057 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07ded017-93df-47ef-a66f-c480aac2cf79/bin/utaipan-Q6hlc19bkW/data/42cb30da0/51ec241a27fc4a0194df9c01280f8519 [2022-11-23 13:42:46,060 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 13:42:46,062 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 13:42:46,065 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 13:42:46,066 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 13:42:46,070 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 13:42:46,071 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:42:46" (1/1) ... [2022-11-23 13:42:46,072 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@595c023e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:42:46, skipping insertion in model container [2022-11-23 13:42:46,072 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:42:46" (1/1) ... [2022-11-23 13:42:46,079 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 13:42:46,148 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 13:42:46,835 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_07ded017-93df-47ef-a66f-c480aac2cf79/sv-benchmarks/c/ldv-races/race-3_2b-container_of-global.i[76084,76097] [2022-11-23 13:42:46,910 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 13:42:46,924 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 13:42:47,011 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_07ded017-93df-47ef-a66f-c480aac2cf79/sv-benchmarks/c/ldv-races/race-3_2b-container_of-global.i[76084,76097] [2022-11-23 13:42:47,033 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 13:42:47,176 INFO L208 MainTranslator]: Completed translation [2022-11-23 13:42:47,176 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:42:47 WrapperNode [2022-11-23 13:42:47,177 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 13:42:47,177 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 13:42:47,178 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 13:42:47,178 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 13:42:47,185 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:42:47" (1/1) ... [2022-11-23 13:42:47,215 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:42:47" (1/1) ... [2022-11-23 13:42:47,252 INFO L138 Inliner]: procedures = 481, calls = 45, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 206 [2022-11-23 13:42:47,252 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 13:42:47,253 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 13:42:47,253 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 13:42:47,253 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 13:42:47,263 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:42:47" (1/1) ... [2022-11-23 13:42:47,264 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:42:47" (1/1) ... [2022-11-23 13:42:47,271 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:42:47" (1/1) ... [2022-11-23 13:42:47,271 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:42:47" (1/1) ... [2022-11-23 13:42:47,294 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:42:47" (1/1) ... [2022-11-23 13:42:47,297 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:42:47" (1/1) ... [2022-11-23 13:42:47,301 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:42:47" (1/1) ... [2022-11-23 13:42:47,304 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:42:47" (1/1) ... [2022-11-23 13:42:47,310 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 13:42:47,311 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 13:42:47,311 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 13:42:47,311 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 13:42:47,312 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:42:47" (1/1) ... [2022-11-23 13:42:47,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 13:42:47,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07ded017-93df-47ef-a66f-c480aac2cf79/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 13:42:47,363 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07ded017-93df-47ef-a66f-c480aac2cf79/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 13:42:47,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07ded017-93df-47ef-a66f-c480aac2cf79/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 13:42:47,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 13:42:47,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 13:42:47,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 13:42:47,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 13:42:47,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 13:42:47,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 13:42:47,413 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2022-11-23 13:42:47,413 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2022-11-23 13:42:47,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 13:42:47,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 13:42:47,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 13:42:47,415 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-23 13:42:47,880 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 13:42:47,883 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 13:42:48,404 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 13:42:48,421 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 13:42:48,422 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 13:42:48,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:42:48 BoogieIcfgContainer [2022-11-23 13:42:48,426 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 13:42:48,429 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 13:42:48,429 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 13:42:48,432 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 13:42:48,433 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:42:46" (1/3) ... [2022-11-23 13:42:48,435 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6705c057 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:42:48, skipping insertion in model container [2022-11-23 13:42:48,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:42:47" (2/3) ... [2022-11-23 13:42:48,436 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6705c057 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:42:48, skipping insertion in model container [2022-11-23 13:42:48,436 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:42:48" (3/3) ... [2022-11-23 13:42:48,438 INFO L112 eAbstractionObserver]: Analyzing ICFG race-3_2b-container_of-global.i [2022-11-23 13:42:48,447 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-23 13:42:48,458 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 13:42:48,458 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 17 error locations. [2022-11-23 13:42:48,458 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-23 13:42:48,587 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-23 13:42:48,639 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-23 13:42:48,661 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 315 places, 317 transitions, 650 flow [2022-11-23 13:42:48,666 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 315 places, 317 transitions, 650 flow [2022-11-23 13:42:48,668 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 315 places, 317 transitions, 650 flow [2022-11-23 13:42:48,902 INFO L130 PetriNetUnfolder]: 10/394 cut-off events. [2022-11-23 13:42:48,903 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-23 13:42:48,914 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. [2022-11-23 13:42:48,924 INFO L119 LiptonReduction]: Number of co-enabled transitions 15120 [2022-11-23 13:43:42,052 WARN L233 SmtUtils]: Spent 8.21s 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) [2022-11-23 13:43:48,880 WARN L233 SmtUtils]: Spent 5.87s 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) [2022-11-23 13:44:08,808 WARN L233 SmtUtils]: Spent 9.72s 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) [2022-11-23 13:44:25,714 WARN L233 SmtUtils]: Spent 12.93s 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) [2022-11-23 13:44:49,890 WARN L233 SmtUtils]: Spent 21.13s 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) [2022-11-23 13:44:58,381 WARN L233 SmtUtils]: Spent 8.49s 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) [2022-11-23 13:45:20,816 WARN L233 SmtUtils]: Spent 22.43s 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) [2022-11-23 13:45:27,889 WARN L233 SmtUtils]: Spent 7.07s 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) [2022-11-23 13:45:28,117 INFO L134 LiptonReduction]: Checked pairs total: 191037 [2022-11-23 13:45:28,118 INFO L136 LiptonReduction]: Total number of compositions: 296 [2022-11-23 13:45:28,126 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 112 places, 110 transitions, 236 flow [2022-11-23 13:45:28,879 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) [2022-11-23 13:45:28,914 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 13:45:28,921 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;@19b4c75f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 13:45:28,921 INFO L358 AbstractCegarLoop]: Starting to check reachability of 27 error locations. [2022-11-23 13:45:29,040 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) [2022-11-23 13:45:29,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-11-23 13:45:29,045 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:45:29,046 INFO L195 NwaCegarLoop]: trace histogram [1] [2022-11-23 13:45:29,046 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)] === [2022-11-23 13:45:29,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:45:29,054 INFO L85 PathProgramCache]: Analyzing trace with hash 1007, now seen corresponding path program 1 times [2022-11-23 13:45:29,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:45:29,066 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036101916] [2022-11-23 13:45:29,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:45:29,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:45:29,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:45:29,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 13:45:29,311 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:45:29,312 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036101916] [2022-11-23 13:45:29,312 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1036101916] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:45:29,312 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:45:29,320 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-11-23 13:45:29,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433227909] [2022-11-23 13:45:29,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:45:29,327 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-23 13:45:29,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:45:29,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-23 13:45:29,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 13:45:29,382 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) [2022-11-23 13:45:29,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:45:29,970 INFO L93 Difference]: Finished difference Result 19864 states and 57022 transitions. [2022-11-23 13:45:29,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 13:45:29,974 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 [2022-11-23 13:45:29,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:45:30,112 INFO L225 Difference]: With dead ends: 19864 [2022-11-23 13:45:30,113 INFO L226 Difference]: Without dead ends: 19862 [2022-11-23 13:45:30,114 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 [2022-11-23 13:45:30,117 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 [2022-11-23 13:45:30,118 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] [2022-11-23 13:45:30,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19862 states. [2022-11-23 13:45:31,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19862 to 19862. [2022-11-23 13:45:31,272 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) [2022-11-23 13:45:31,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19862 states to 19862 states and 57018 transitions. [2022-11-23 13:45:31,526 INFO L78 Accepts]: Start accepts. Automaton has 19862 states and 57018 transitions. Word has length 1 [2022-11-23 13:45:31,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:45:31,527 INFO L495 AbstractCegarLoop]: Abstraction has 19862 states and 57018 transitions. [2022-11-23 13:45:31,527 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) [2022-11-23 13:45:31,528 INFO L276 IsEmpty]: Start isEmpty. Operand 19862 states and 57018 transitions. [2022-11-23 13:45:31,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-23 13:45:31,530 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:45:31,530 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:45:31,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 13:45:31,531 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)] === [2022-11-23 13:45:31,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:45:31,535 INFO L85 PathProgramCache]: Analyzing trace with hash -715760328, now seen corresponding path program 1 times [2022-11-23 13:45:31,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:45:31,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155564407] [2022-11-23 13:45:31,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:45:31,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:45:31,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:45:32,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 13:45:32,066 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:45:32,066 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155564407] [2022-11-23 13:45:32,072 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155564407] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:45:32,072 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:45:32,073 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 13:45:32,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406427051] [2022-11-23 13:45:32,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:45:32,074 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 13:45:32,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:45:32,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 13:45:32,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 13:45:32,076 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) [2022-11-23 13:45:32,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:45:32,721 INFO L93 Difference]: Finished difference Result 19879 states and 57034 transitions. [2022-11-23 13:45:32,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 13:45:32,721 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 [2022-11-23 13:45:32,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:45:32,831 INFO L225 Difference]: With dead ends: 19879 [2022-11-23 13:45:32,831 INFO L226 Difference]: Without dead ends: 19879 [2022-11-23 13:45:32,832 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 [2022-11-23 13:45:32,833 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 72 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.4s IncrementalHoareTripleChecker+Time [2022-11-23 13:45:32,833 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 163 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-23 13:45:32,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19879 states. [2022-11-23 13:45:33,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19879 to 19856. [2022-11-23 13:45:33,508 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) [2022-11-23 13:45:33,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19856 states to 19856 states and 57012 transitions. [2022-11-23 13:45:33,703 INFO L78 Accepts]: Start accepts. Automaton has 19856 states and 57012 transitions. Word has length 7 [2022-11-23 13:45:33,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:45:33,703 INFO L495 AbstractCegarLoop]: Abstraction has 19856 states and 57012 transitions. [2022-11-23 13:45:33,703 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) [2022-11-23 13:45:33,704 INFO L276 IsEmpty]: Start isEmpty. Operand 19856 states and 57012 transitions. [2022-11-23 13:45:33,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-23 13:45:33,705 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:45:33,705 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:45:33,705 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 13:45:33,706 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)] === [2022-11-23 13:45:33,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:45:33,706 INFO L85 PathProgramCache]: Analyzing trace with hash -453724825, now seen corresponding path program 1 times [2022-11-23 13:45:33,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:45:33,707 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230042930] [2022-11-23 13:45:33,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:45:33,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:45:33,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:45:34,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 13:45:34,319 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:45:34,320 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230042930] [2022-11-23 13:45:34,321 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1230042930] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:45:34,321 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:45:34,321 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 13:45:34,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272581763] [2022-11-23 13:45:34,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:45:34,322 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 13:45:34,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:45:34,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 13:45:34,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-23 13:45:34,324 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) [2022-11-23 13:45:35,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:45:35,580 INFO L93 Difference]: Finished difference Result 22446 states and 64554 transitions. [2022-11-23 13:45:35,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 13:45:35,580 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 [2022-11-23 13:45:35,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:45:35,679 INFO L225 Difference]: With dead ends: 22446 [2022-11-23 13:45:35,680 INFO L226 Difference]: Without dead ends: 22446 [2022-11-23 13:45:35,680 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 [2022-11-23 13:45:35,681 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 81 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 666 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s 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 [2022-11-23 13:45:35,682 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] [2022-11-23 13:45:35,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22446 states. [2022-11-23 13:45:36,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22446 to 21926. [2022-11-23 13:45:36,264 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) [2022-11-23 13:45:36,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21926 states to 21926 states and 63040 transitions. [2022-11-23 13:45:36,345 INFO L78 Accepts]: Start accepts. Automaton has 21926 states and 63040 transitions. Word has length 7 [2022-11-23 13:45:36,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:45:36,346 INFO L495 AbstractCegarLoop]: Abstraction has 21926 states and 63040 transitions. [2022-11-23 13:45:36,346 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) [2022-11-23 13:45:36,346 INFO L276 IsEmpty]: Start isEmpty. Operand 21926 states and 63040 transitions. [2022-11-23 13:45:36,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-23 13:45:36,347 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:45:36,348 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:45:36,348 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 13:45:36,348 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)] === [2022-11-23 13:45:36,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:45:36,349 INFO L85 PathProgramCache]: Analyzing trace with hash 18093864, now seen corresponding path program 1 times [2022-11-23 13:45:36,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:45:36,349 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927054220] [2022-11-23 13:45:36,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:45:36,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:45:36,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:45:36,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 13:45:36,951 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:45:36,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927054220] [2022-11-23 13:45:36,952 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927054220] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:45:36,952 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:45:36,953 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 13:45:36,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710083194] [2022-11-23 13:45:36,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:45:36,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 13:45:36,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:45:36,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 13:45:36,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-23 13:45:36,955 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) [2022-11-23 13:45:38,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:45:38,438 INFO L93 Difference]: Finished difference Result 26193 states and 75521 transitions. [2022-11-23 13:45:38,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 13:45:38,439 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 [2022-11-23 13:45:38,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:45:38,532 INFO L225 Difference]: With dead ends: 26193 [2022-11-23 13:45:38,532 INFO L226 Difference]: Without dead ends: 26193 [2022-11-23 13:45:38,533 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 [2022-11-23 13:45:38,538 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 115 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 793 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s 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 [2022-11-23 13:45:38,540 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] [2022-11-23 13:45:38,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26193 states. [2022-11-23 13:45:39,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26193 to 25265. [2022-11-23 13:45:39,319 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) [2022-11-23 13:45:39,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25265 states to 25265 states and 72804 transitions. [2022-11-23 13:45:39,408 INFO L78 Accepts]: Start accepts. Automaton has 25265 states and 72804 transitions. Word has length 9 [2022-11-23 13:45:39,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:45:39,409 INFO L495 AbstractCegarLoop]: Abstraction has 25265 states and 72804 transitions. [2022-11-23 13:45:39,409 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) [2022-11-23 13:45:39,409 INFO L276 IsEmpty]: Start isEmpty. Operand 25265 states and 72804 transitions. [2022-11-23 13:45:39,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-23 13:45:39,411 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:45:39,412 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:45:39,412 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 13:45:39,412 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)] === [2022-11-23 13:45:39,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:45:39,413 INFO L85 PathProgramCache]: Analyzing trace with hash 909118303, now seen corresponding path program 1 times [2022-11-23 13:45:39,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:45:39,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924626744] [2022-11-23 13:45:39,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:45:39,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:45:39,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:45:39,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 13:45:39,985 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:45:39,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924626744] [2022-11-23 13:45:39,986 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924626744] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:45:39,986 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:45:39,986 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 13:45:39,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007152429] [2022-11-23 13:45:39,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:45:39,987 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 13:45:39,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:45:39,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 13:45:39,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-23 13:45:39,988 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) [2022-11-23 13:45:41,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:45:41,045 INFO L93 Difference]: Finished difference Result 28150 states and 80399 transitions. [2022-11-23 13:45:41,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 13:45:41,046 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 [2022-11-23 13:45:41,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:45:41,159 INFO L225 Difference]: With dead ends: 28150 [2022-11-23 13:45:41,160 INFO L226 Difference]: Without dead ends: 28150 [2022-11-23 13:45:41,160 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 [2022-11-23 13:45:41,161 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 [2022-11-23 13:45:41,161 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] [2022-11-23 13:45:41,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28150 states. [2022-11-23 13:45:41,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28150 to 27333. [2022-11-23 13:45:42,019 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) [2022-11-23 13:45:42,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27333 states to 27333 states and 78824 transitions. [2022-11-23 13:45:42,091 INFO L78 Accepts]: Start accepts. Automaton has 27333 states and 78824 transitions. Word has length 11 [2022-11-23 13:45:42,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:45:42,092 INFO L495 AbstractCegarLoop]: Abstraction has 27333 states and 78824 transitions. [2022-11-23 13:45:42,093 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) [2022-11-23 13:45:42,093 INFO L276 IsEmpty]: Start isEmpty. Operand 27333 states and 78824 transitions. [2022-11-23 13:45:42,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-23 13:45:42,095 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:45:42,095 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:45:42,095 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-23 13:45:42,096 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)] === [2022-11-23 13:45:42,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:45:42,096 INFO L85 PathProgramCache]: Analyzing trace with hash -1560435840, now seen corresponding path program 1 times [2022-11-23 13:45:42,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:45:42,097 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257099984] [2022-11-23 13:45:42,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:45:42,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:45:42,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:45:42,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 13:45:42,644 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:45:42,644 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257099984] [2022-11-23 13:45:42,644 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [257099984] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:45:42,645 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:45:42,645 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 13:45:42,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499462451] [2022-11-23 13:45:42,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:45:42,645 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 13:45:42,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:45:42,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 13:45:42,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-23 13:45:42,646 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) [2022-11-23 13:45:44,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:45:44,412 INFO L93 Difference]: Finished difference Result 31869 states and 92055 transitions. [2022-11-23 13:45:44,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 13:45:44,413 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 [2022-11-23 13:45:44,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:45:44,491 INFO L225 Difference]: With dead ends: 31869 [2022-11-23 13:45:44,491 INFO L226 Difference]: Without dead ends: 31869 [2022-11-23 13:45:44,492 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 [2022-11-23 13:45:44,492 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 126 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 1120 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s 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, 1.6s IncrementalHoareTripleChecker+Time [2022-11-23 13:45:44,493 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 85 Invalid, 1125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1120 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-23 13:45:44,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31869 states. [2022-11-23 13:45:45,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31869 to 30701. [2022-11-23 13:45:45,234 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) [2022-11-23 13:45:45,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30701 states to 30701 states and 88636 transitions. [2022-11-23 13:45:45,308 INFO L78 Accepts]: Start accepts. Automaton has 30701 states and 88636 transitions. Word has length 11 [2022-11-23 13:45:45,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:45:45,309 INFO L495 AbstractCegarLoop]: Abstraction has 30701 states and 88636 transitions. [2022-11-23 13:45:45,309 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) [2022-11-23 13:45:45,309 INFO L276 IsEmpty]: Start isEmpty. Operand 30701 states and 88636 transitions. [2022-11-23 13:45:45,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-23 13:45:45,311 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:45:45,311 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:45:45,311 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-23 13:45:45,312 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)] === [2022-11-23 13:45:45,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:45:45,312 INFO L85 PathProgramCache]: Analyzing trace with hash -1661225204, now seen corresponding path program 1 times [2022-11-23 13:45:45,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:45:45,313 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94349729] [2022-11-23 13:45:45,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:45:45,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:45:45,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:45:45,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 13:45:45,981 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:45:45,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94349729] [2022-11-23 13:45:45,981 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [94349729] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:45:45,981 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:45:45,982 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 13:45:45,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788376288] [2022-11-23 13:45:45,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:45:45,982 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 13:45:45,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:45:45,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 13:45:45,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-23 13:45:45,983 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) [2022-11-23 13:45:46,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:45:46,902 INFO L93 Difference]: Finished difference Result 33461 states and 96680 transitions. [2022-11-23 13:45:46,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 13:45:46,903 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 [2022-11-23 13:45:46,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:45:47,001 INFO L225 Difference]: With dead ends: 33461 [2022-11-23 13:45:47,002 INFO L226 Difference]: Without dead ends: 33461 [2022-11-23 13:45:47,002 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 [2022-11-23 13:45:47,002 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 83 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 464 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s 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, 0.7s IncrementalHoareTripleChecker+Time [2022-11-23 13:45:47,003 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 82 Invalid, 473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 464 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-23 13:45:47,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33461 states. [2022-11-23 13:45:47,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33461 to 32764. [2022-11-23 13:45:47,853 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) [2022-11-23 13:45:47,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32764 states to 32764 states and 94643 transitions. [2022-11-23 13:45:47,931 INFO L78 Accepts]: Start accepts. Automaton has 32764 states and 94643 transitions. Word has length 13 [2022-11-23 13:45:47,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:45:47,931 INFO L495 AbstractCegarLoop]: Abstraction has 32764 states and 94643 transitions. [2022-11-23 13:45:47,931 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) [2022-11-23 13:45:47,932 INFO L276 IsEmpty]: Start isEmpty. Operand 32764 states and 94643 transitions. [2022-11-23 13:45:47,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-23 13:45:47,934 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:45:47,934 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:45:47,934 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-23 13:45:47,935 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)] === [2022-11-23 13:45:47,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:45:47,935 INFO L85 PathProgramCache]: Analyzing trace with hash -1597196513, now seen corresponding path program 1 times [2022-11-23 13:45:47,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:45:47,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550162709] [2022-11-23 13:45:47,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:45:47,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:45:47,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:45:48,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 13:45:48,537 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:45:48,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550162709] [2022-11-23 13:45:48,537 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1550162709] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:45:48,537 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:45:48,537 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-23 13:45:48,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785969234] [2022-11-23 13:45:48,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:45:48,538 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-23 13:45:48,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:45:48,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-23 13:45:48,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-11-23 13:45:48,538 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) [2022-11-23 13:45:51,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:45:51,010 INFO L93 Difference]: Finished difference Result 35420 states and 101657 transitions. [2022-11-23 13:45:51,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-23 13:45:51,011 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 [2022-11-23 13:45:51,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:45:51,102 INFO L225 Difference]: With dead ends: 35420 [2022-11-23 13:45:51,103 INFO L226 Difference]: Without dead ends: 35420 [2022-11-23 13:45:51,103 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 [2022-11-23 13:45:51,103 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, 2.2s IncrementalHoareTripleChecker+Time [2022-11-23 13:45:51,104 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [404 Valid, 113 Invalid, 1471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 1439 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-11-23 13:45:51,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35420 states. [2022-11-23 13:45:51,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35420 to 32985. [2022-11-23 13:45:51,832 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) [2022-11-23 13:45:51,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32985 states to 32985 states and 95305 transitions. [2022-11-23 13:45:51,911 INFO L78 Accepts]: Start accepts. Automaton has 32985 states and 95305 transitions. Word has length 14 [2022-11-23 13:45:51,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:45:51,911 INFO L495 AbstractCegarLoop]: Abstraction has 32985 states and 95305 transitions. [2022-11-23 13:45:51,912 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) [2022-11-23 13:45:51,912 INFO L276 IsEmpty]: Start isEmpty. Operand 32985 states and 95305 transitions. [2022-11-23 13:45:51,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-23 13:45:51,913 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:45:51,913 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:45:51,913 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-23 13:45:51,913 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)] === [2022-11-23 13:45:51,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:45:51,914 INFO L85 PathProgramCache]: Analyzing trace with hash -1597187895, now seen corresponding path program 1 times [2022-11-23 13:45:51,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:45:51,914 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90548919] [2022-11-23 13:45:51,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:45:51,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:45:51,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:45:52,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 13:45:52,015 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:45:52,015 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90548919] [2022-11-23 13:45:52,015 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90548919] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:45:52,016 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:45:52,016 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 13:45:52,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411247488] [2022-11-23 13:45:52,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:45:52,017 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 13:45:52,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:45:52,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 13:45:52,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 13:45:52,018 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) [2022-11-23 13:45:52,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:45:52,303 INFO L93 Difference]: Finished difference Result 8946 states and 25056 transitions. [2022-11-23 13:45:52,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 13:45:52,303 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 [2022-11-23 13:45:52,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:45:52,326 INFO L225 Difference]: With dead ends: 8946 [2022-11-23 13:45:52,327 INFO L226 Difference]: Without dead ends: 8946 [2022-11-23 13:45:52,327 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 [2022-11-23 13:45:52,328 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 [2022-11-23 13:45:52,328 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] [2022-11-23 13:45:52,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8946 states. [2022-11-23 13:45:52,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8946 to 8925. [2022-11-23 13:45:52,742 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) [2022-11-23 13:45:52,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8925 states to 8925 states and 25036 transitions. [2022-11-23 13:45:52,777 INFO L78 Accepts]: Start accepts. Automaton has 8925 states and 25036 transitions. Word has length 14 [2022-11-23 13:45:52,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:45:52,778 INFO L495 AbstractCegarLoop]: Abstraction has 8925 states and 25036 transitions. [2022-11-23 13:45:52,778 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) [2022-11-23 13:45:52,778 INFO L276 IsEmpty]: Start isEmpty. Operand 8925 states and 25036 transitions. [2022-11-23 13:45:52,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-23 13:45:52,780 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:45:52,780 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:45:52,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-23 13:45:52,781 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)] === [2022-11-23 13:45:52,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:45:52,781 INFO L85 PathProgramCache]: Analyzing trace with hash -1599009703, now seen corresponding path program 1 times [2022-11-23 13:45:52,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:45:52,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107229828] [2022-11-23 13:45:52,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:45:52,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:45:52,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 13:45:52,847 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 13:45:52,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 13:45:52,938 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-23 13:45:52,938 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-23 13:45:52,939 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (26 of 27 remaining) [2022-11-23 13:45:52,942 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (25 of 27 remaining) [2022-11-23 13:45:52,942 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (24 of 27 remaining) [2022-11-23 13:45:52,943 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (23 of 27 remaining) [2022-11-23 13:45:52,943 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (22 of 27 remaining) [2022-11-23 13:45:52,943 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (21 of 27 remaining) [2022-11-23 13:45:52,943 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (20 of 27 remaining) [2022-11-23 13:45:52,944 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (19 of 27 remaining) [2022-11-23 13:45:52,944 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (18 of 27 remaining) [2022-11-23 13:45:52,944 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (17 of 27 remaining) [2022-11-23 13:45:52,945 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (16 of 27 remaining) [2022-11-23 13:45:52,946 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (15 of 27 remaining) [2022-11-23 13:45:52,947 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (14 of 27 remaining) [2022-11-23 13:45:52,947 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (13 of 27 remaining) [2022-11-23 13:45:52,947 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 27 remaining) [2022-11-23 13:45:52,947 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 27 remaining) [2022-11-23 13:45:52,948 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (10 of 27 remaining) [2022-11-23 13:45:52,948 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (9 of 27 remaining) [2022-11-23 13:45:52,948 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (8 of 27 remaining) [2022-11-23 13:45:52,948 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr3ASSERT_VIOLATIONDATA_RACE (7 of 27 remaining) [2022-11-23 13:45:52,948 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (6 of 27 remaining) [2022-11-23 13:45:52,949 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (5 of 27 remaining) [2022-11-23 13:45:52,949 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr3ASSERT_VIOLATIONDATA_RACE (4 of 27 remaining) [2022-11-23 13:45:52,949 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (3 of 27 remaining) [2022-11-23 13:45:52,949 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (2 of 27 remaining) [2022-11-23 13:45:52,950 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (1 of 27 remaining) [2022-11-23 13:45:52,950 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location my_callbackErr3ASSERT_VIOLATIONDATA_RACE (0 of 27 remaining) [2022-11-23 13:45:52,951 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-23 13:45:52,953 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:45:52,962 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-23 13:45:52,963 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 13:45:53,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:45:53 BasicIcfg [2022-11-23 13:45:53,043 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 13:45:53,043 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 13:45:53,043 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 13:45:53,044 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 13:45:53,044 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:42:48" (3/4) ... [2022-11-23 13:45:53,047 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-23 13:45:53,047 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 13:45:53,047 INFO L158 Benchmark]: Toolchain (without parser) took 186985.30ms. Allocated memory was 201.3MB in the beginning and 10.0GB in the end (delta: 9.8GB). Free memory was 171.9MB in the beginning and 9.0GB in the end (delta: -8.8GB). Peak memory consumption was 921.2MB. Max. memory is 16.1GB. [2022-11-23 13:45:53,048 INFO L158 Benchmark]: CDTParser took 12.90ms. Allocated memory is still 130.0MB. Free memory was 105.1MB in the beginning and 104.9MB in the end (delta: 167.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 13:45:53,048 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1111.48ms. Allocated memory is still 201.3MB. Free memory was 171.9MB in the beginning and 114.3MB in the end (delta: 57.5MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2022-11-23 13:45:53,049 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.16ms. Allocated memory is still 201.3MB. Free memory was 114.3MB in the beginning and 110.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-23 13:45:53,049 INFO L158 Benchmark]: Boogie Preprocessor took 56.95ms. Allocated memory is still 201.3MB. Free memory was 110.1MB in the beginning and 106.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-23 13:45:53,049 INFO L158 Benchmark]: RCFGBuilder took 1115.38ms. Allocated memory is still 201.3MB. Free memory was 106.0MB in the beginning and 140.7MB in the end (delta: -34.7MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. [2022-11-23 13:45:53,050 INFO L158 Benchmark]: TraceAbstraction took 184613.87ms. Allocated memory was 201.3MB in the beginning and 10.0GB in the end (delta: 9.8GB). Free memory was 140.7MB in the beginning and 9.0GB in the end (delta: -8.9GB). Peak memory consumption was 893.2MB. Max. memory is 16.1GB. [2022-11-23 13:45:53,050 INFO L158 Benchmark]: Witness Printer took 3.79ms. Allocated memory is still 10.0GB. Free memory is still 9.0GB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 13:45:53,052 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 12.90ms. Allocated memory is still 130.0MB. Free memory was 105.1MB in the beginning and 104.9MB in the end (delta: 167.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1111.48ms. Allocated memory is still 201.3MB. Free memory was 171.9MB in the beginning and 114.3MB in the end (delta: 57.5MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.16ms. Allocated memory is still 201.3MB. Free memory was 114.3MB in the beginning and 110.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.95ms. Allocated memory is still 201.3MB. Free memory was 110.1MB in the beginning and 106.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1115.38ms. Allocated memory is still 201.3MB. Free memory was 106.0MB in the beginning and 140.7MB in the end (delta: -34.7MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. * TraceAbstraction took 184613.87ms. Allocated memory was 201.3MB in the beginning and 10.0GB in the end (delta: 9.8GB). Free memory was 140.7MB in the beginning and 9.0GB in the end (delta: -8.9GB). Peak memory consumption was 893.2MB. Max. memory is 16.1GB. * Witness Printer took 3.79ms. Allocated memory is still 10.0GB. Free memory is still 9.0GB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 159.5s, 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: 18526, independent: 549, independent conditional: 0, independent unconditional: 549, dependent: 1009, dependent conditional: 0, dependent unconditional: 1009, unknown: 16968, unknown conditional: 0, unknown unconditional: 16968] ], 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 [#in~arg={0:0}, #in~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 [#in~arg={0:0}, __mptr={5:24}, 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 [#in~arg={0:0}, #in~data={5:0}, __mptr={5:24}, arg={0:0}, 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 [#in~arg={0:0}, __mptr={5:24}, 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.a = 0 [1716] * C: data->shared.a = 0 [1716] * C: data->shared.a = 0 [1716] * C: data->shared.b = 0 [1717] * C: const typeof( ((struct my_data *)0)->dev ) *__mptr = (my_dev); [1709] * C: data->shared.b==0 [1719] * C: my_dev = &data->dev [1723] * C: data->shared.b = 0 [1717] * C: data->shared.a==0 [1718] * C: data->shared.b==0 [1719] * C: data->shared.a==0 [1718] * C: data->shared.b==0 [1719] * C: data->shared.a==0 [1718] * C: data->shared.b = 0 [1717] * C: data->shared.a = 0 [1716] * C: data->shared.b = 0 [1717] * 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: 184.3s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 11.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 160.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1071 SdHoareTripleChecker+Valid, 8.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1071 mSDsluCounter, 909 SdHoareTripleChecker+Invalid, 7.6s 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, 0.4s 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: 7.7s AutomataMinimizationTime, 9 MinimizatonAttempts, 6609 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 3.5s 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! [2022-11-23 13:45:53,185 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07ded017-93df-47ef-a66f-c480aac2cf79/bin/utaipan-Q6hlc19bkW/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