./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/ldv-races/race-3_1-container_of-global.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f833f83-058f-407a-a8c1-e0ff8d6dd4fb/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f833f83-058f-407a-a8c1-e0ff8d6dd4fb/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f833f83-058f-407a-a8c1-e0ff8d6dd4fb/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f833f83-058f-407a-a8c1-e0ff8d6dd4fb/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-races/race-3_1-container_of-global.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f833f83-058f-407a-a8c1-e0ff8d6dd4fb/bin/utaipan-g80aRyZoba/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f833f83-058f-407a-a8c1-e0ff8d6dd4fb/bin/utaipan-g80aRyZoba --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 79b55bbc1c83a113dd61cfbd1c59324170026eea9fc3fed8c2e488e492b32e33 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-22 01:18:52,541 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 01:18:52,544 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 01:18:52,582 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 01:18:52,586 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 01:18:52,590 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 01:18:52,591 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 01:18:52,595 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 01:18:52,597 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 01:18:52,600 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 01:18:52,602 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 01:18:52,604 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 01:18:52,605 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 01:18:52,610 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 01:18:52,611 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 01:18:52,613 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 01:18:52,615 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 01:18:52,616 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 01:18:52,618 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 01:18:52,623 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 01:18:52,625 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 01:18:52,627 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 01:18:52,629 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 01:18:52,630 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 01:18:52,639 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 01:18:52,642 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 01:18:52,642 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 01:18:52,643 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 01:18:52,645 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 01:18:52,646 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 01:18:52,647 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 01:18:52,648 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 01:18:52,650 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 01:18:52,651 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 01:18:52,652 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 01:18:52,653 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 01:18:52,654 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 01:18:52,654 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 01:18:52,654 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 01:18:52,657 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 01:18:52,658 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 01:18:52,659 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f833f83-058f-407a-a8c1-e0ff8d6dd4fb/bin/utaipan-g80aRyZoba/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-22 01:18:52,693 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 01:18:52,693 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 01:18:52,694 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 01:18:52,694 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 01:18:52,695 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 01:18:52,695 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 01:18:52,696 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 01:18:52,696 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 01:18:52,696 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 01:18:52,696 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 01:18:52,697 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 01:18:52,698 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 01:18:52,698 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 01:18:52,698 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 01:18:52,698 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 01:18:52,699 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 01:18:52,699 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 01:18:52,699 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 01:18:52,700 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 01:18:52,700 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-22 01:18:52,700 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 01:18:52,700 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 01:18:52,701 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-22 01:18:52,701 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 01:18:52,701 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 01:18:52,701 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 01:18:52,701 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 01:18:52,702 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-22 01:18:52,702 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-22 01:18:52,702 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 01:18:52,702 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 01:18:52,703 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 01:18:52,703 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 01:18:52,703 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 01:18:52,703 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:18:52,704 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 01:18:52,704 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 01:18:52,704 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 01:18:52,704 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 01:18:52,705 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 01:18:52,705 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 01:18:52,705 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 01:18:52,705 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 01:18:52,705 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_3f833f83-058f-407a-a8c1-e0ff8d6dd4fb/bin/utaipan-g80aRyZoba/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f833f83-058f-407a-a8c1-e0ff8d6dd4fb/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 79b55bbc1c83a113dd61cfbd1c59324170026eea9fc3fed8c2e488e492b32e33 [2022-11-22 01:18:52,986 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 01:18:53,020 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 01:18:53,022 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 01:18:53,023 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 01:18:53,024 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 01:18:53,025 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f833f83-058f-407a-a8c1-e0ff8d6dd4fb/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/ldv-races/race-3_1-container_of-global.i [2022-11-22 01:18:56,000 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 01:18:56,408 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 01:18:56,409 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f833f83-058f-407a-a8c1-e0ff8d6dd4fb/sv-benchmarks/c/ldv-races/race-3_1-container_of-global.i [2022-11-22 01:18:56,429 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f833f83-058f-407a-a8c1-e0ff8d6dd4fb/bin/utaipan-g80aRyZoba/data/d92bb1531/2c454497c65a4753894560134b902f68/FLAG17a41cb2d [2022-11-22 01:18:56,444 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f833f83-058f-407a-a8c1-e0ff8d6dd4fb/bin/utaipan-g80aRyZoba/data/d92bb1531/2c454497c65a4753894560134b902f68 [2022-11-22 01:18:56,447 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 01:18:56,449 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 01:18:56,450 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 01:18:56,450 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 01:18:56,454 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 01:18:56,455 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:18:56" (1/1) ... [2022-11-22 01:18:56,456 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@423152af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:18:56, skipping insertion in model container [2022-11-22 01:18:56,456 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:18:56" (1/1) ... [2022-11-22 01:18:56,469 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 01:18:56,524 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 01:18:57,384 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_3f833f83-058f-407a-a8c1-e0ff8d6dd4fb/sv-benchmarks/c/ldv-races/race-3_1-container_of-global.i[76084,76097] [2022-11-22 01:18:57,464 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:18:57,479 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 01:18:57,559 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_3f833f83-058f-407a-a8c1-e0ff8d6dd4fb/sv-benchmarks/c/ldv-races/race-3_1-container_of-global.i[76084,76097] [2022-11-22 01:18:57,612 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:18:57,743 INFO L208 MainTranslator]: Completed translation [2022-11-22 01:18:57,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:18:57 WrapperNode [2022-11-22 01:18:57,745 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 01:18:57,746 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 01:18:57,746 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 01:18:57,746 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 01:18:57,755 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:18:57" (1/1) ... [2022-11-22 01:18:57,805 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:18:57" (1/1) ... [2022-11-22 01:18:57,844 INFO L138 Inliner]: procedures = 482, calls = 46, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 206 [2022-11-22 01:18:57,845 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 01:18:57,846 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 01:18:57,846 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 01:18:57,846 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 01:18:57,856 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:18:57" (1/1) ... [2022-11-22 01:18:57,856 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:18:57" (1/1) ... [2022-11-22 01:18:57,862 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:18:57" (1/1) ... [2022-11-22 01:18:57,863 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:18:57" (1/1) ... [2022-11-22 01:18:57,888 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:18:57" (1/1) ... [2022-11-22 01:18:57,902 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:18:57" (1/1) ... [2022-11-22 01:18:57,906 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:18:57" (1/1) ... [2022-11-22 01:18:57,909 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:18:57" (1/1) ... [2022-11-22 01:18:57,946 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 01:18:57,947 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 01:18:57,947 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 01:18:57,947 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 01:18:57,948 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:18:57" (1/1) ... [2022-11-22 01:18:57,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:18:57,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f833f83-058f-407a-a8c1-e0ff8d6dd4fb/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:18:57,996 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f833f83-058f-407a-a8c1-e0ff8d6dd4fb/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 01:18:58,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f833f83-058f-407a-a8c1-e0ff8d6dd4fb/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 01:18:58,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 01:18:58,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 01:18:58,077 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-22 01:18:58,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 01:18:58,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-22 01:18:58,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 01:18:58,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 01:18:58,078 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2022-11-22 01:18:58,078 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2022-11-22 01:18:58,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 01:18:58,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 01:18:58,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 01:18:58,080 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-22 01:18:58,436 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 01:18:58,438 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 01:18:58,862 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 01:18:58,872 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 01:18:58,873 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-22 01:18:58,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:18:58 BoogieIcfgContainer [2022-11-22 01:18:58,876 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 01:18:58,878 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 01:18:58,878 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 01:18:58,881 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 01:18:58,882 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:18:56" (1/3) ... [2022-11-22 01:18:58,882 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dbadce5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:18:58, skipping insertion in model container [2022-11-22 01:18:58,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:18:57" (2/3) ... [2022-11-22 01:18:58,883 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dbadce5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:18:58, skipping insertion in model container [2022-11-22 01:18:58,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:18:58" (3/3) ... [2022-11-22 01:18:58,885 INFO L112 eAbstractionObserver]: Analyzing ICFG race-3_1-container_of-global.i [2022-11-22 01:18:58,894 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-22 01:18:58,903 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 01:18:58,903 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 17 error locations. [2022-11-22 01:18:58,903 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-22 01:18:59,046 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-22 01:18:59,106 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-22 01:18:59,132 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 321 places, 323 transitions, 662 flow [2022-11-22 01:18:59,137 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 321 places, 323 transitions, 662 flow [2022-11-22 01:18:59,139 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 321 places, 323 transitions, 662 flow [2022-11-22 01:18:59,397 INFO L130 PetriNetUnfolder]: 10/400 cut-off events. [2022-11-22 01:18:59,399 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-22 01:18:59,410 INFO L83 FinitePrefix]: Finished finitePrefix Result has 409 conditions, 400 events. 10/400 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 830 event pairs, 0 based on Foata normal form. 0/362 useless extension candidates. Maximal degree in co-relation 229. Up to 4 conditions per place. [2022-11-22 01:18:59,421 INFO L119 LiptonReduction]: Number of co-enabled transitions 16644 [2022-11-22 01:19:41,376 WARN L233 SmtUtils]: Spent 5.10s on a formula simplification. DAG size of input: 102 DAG size of output: 100 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 01:19:53,484 WARN L233 SmtUtils]: Spent 5.76s on a formula simplification. DAG size of input: 129 DAG size of output: 123 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 01:20:02,667 WARN L233 SmtUtils]: Spent 7.16s on a formula simplification. DAG size of input: 135 DAG size of output: 131 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 01:20:16,577 WARN L233 SmtUtils]: Spent 11.14s on a formula simplification. DAG size of input: 149 DAG size of output: 145 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 01:20:38,213 WARN L233 SmtUtils]: Spent 17.27s on a formula simplification. DAG size of input: 155 DAG size of output: 151 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 01:20:44,592 WARN L233 SmtUtils]: Spent 6.38s on a formula simplification that was a NOOP. DAG size: 139 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 01:21:26,037 INFO L134 LiptonReduction]: Checked pairs total: 209118 [2022-11-22 01:21:26,038 INFO L136 LiptonReduction]: Total number of compositions: 314 [2022-11-22 01:21:26,048 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 116 places, 114 transitions, 244 flow [2022-11-22 01:21:26,987 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 25343 states, 25151 states have (on average 2.957973838018369) internal successors, (74396), 25342 states have internal predecessors, (74396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:21:27,010 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 01:21:27,019 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;@3cebb04f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 01:21:27,019 INFO L358 AbstractCegarLoop]: Starting to check reachability of 27 error locations. [2022-11-22 01:21:27,072 INFO L276 IsEmpty]: Start isEmpty. Operand has 25343 states, 25151 states have (on average 2.957973838018369) internal successors, (74396), 25342 states have internal predecessors, (74396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:21:27,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-11-22 01:21:27,078 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:21:27,079 INFO L195 NwaCegarLoop]: trace histogram [1] [2022-11-22 01:21:27,079 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-22 01:21:27,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:21:27,087 INFO L85 PathProgramCache]: Analyzing trace with hash 1023, now seen corresponding path program 1 times [2022-11-22 01:21:27,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:21:27,097 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336103937] [2022-11-22 01:21:27,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:21:27,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:21:27,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:21:27,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:21:27,380 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:21:27,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336103937] [2022-11-22 01:21:27,381 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336103937] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:21:27,382 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:21:27,382 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-11-22 01:21:27,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109345239] [2022-11-22 01:21:27,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:21:27,388 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-22 01:21:27,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:21:27,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-22 01:21:27,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-22 01:21:27,457 INFO L87 Difference]: Start difference. First operand has 25343 states, 25151 states have (on average 2.957973838018369) internal successors, (74396), 25342 states have internal predecessors, (74396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:21:28,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:21:28,287 INFO L93 Difference]: Finished difference Result 23438 states and 67478 transitions. [2022-11-22 01:21:28,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-22 01:21:28,292 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1 [2022-11-22 01:21:28,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:21:28,654 INFO L225 Difference]: With dead ends: 23438 [2022-11-22 01:21:28,654 INFO L226 Difference]: Without dead ends: 23433 [2022-11-22 01:21:28,655 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-22 01:21:28,659 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-22 01:21:28,660 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 65 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-22 01:21:28,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23433 states. [2022-11-22 01:21:30,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23433 to 23433. [2022-11-22 01:21:30,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23433 states, 23314 states have (on average 2.893754825426782) internal successors, (67465), 23432 states have internal predecessors, (67465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:21:30,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23433 states to 23433 states and 67465 transitions. [2022-11-22 01:21:30,428 INFO L78 Accepts]: Start accepts. Automaton has 23433 states and 67465 transitions. Word has length 1 [2022-11-22 01:21:30,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:21:30,429 INFO L495 AbstractCegarLoop]: Abstraction has 23433 states and 67465 transitions. [2022-11-22 01:21:30,429 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:21:30,431 INFO L276 IsEmpty]: Start isEmpty. Operand 23433 states and 67465 transitions. [2022-11-22 01:21:30,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-22 01:21:30,434 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:21:30,434 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:21:30,434 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 01:21:30,435 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-22 01:21:30,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:21:30,437 INFO L85 PathProgramCache]: Analyzing trace with hash -885828247, now seen corresponding path program 1 times [2022-11-22 01:21:30,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:21:30,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476804] [2022-11-22 01:21:30,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:21:30,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:21:30,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:21:31,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:21:31,285 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:21:31,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476804] [2022-11-22 01:21:31,285 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476804] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:21:31,286 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:21:31,286 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 01:21:31,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43896837] [2022-11-22 01:21:31,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:21:31,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 01:21:31,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:21:31,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 01:21:31,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:21:31,289 INFO L87 Difference]: Start difference. First operand 23433 states and 67465 transitions. Second operand has 6 states, 5 states have (on average 1.4) internal successors, (7), 6 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:21:32,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:21:32,858 INFO L93 Difference]: Finished difference Result 26461 states and 76301 transitions. [2022-11-22 01:21:32,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 01:21:32,859 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.4) internal successors, (7), 6 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-11-22 01:21:32,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:21:33,084 INFO L225 Difference]: With dead ends: 26461 [2022-11-22 01:21:33,084 INFO L226 Difference]: Without dead ends: 26461 [2022-11-22 01:21:33,085 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:21:33,086 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 98 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 706 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 714 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 706 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-22 01:21:33,087 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 71 Invalid, 714 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 706 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-22 01:21:33,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26461 states. [2022-11-22 01:21:33,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26461 to 25852. [2022-11-22 01:21:33,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25852 states, 25734 states have (on average 2.895935338462734) internal successors, (74524), 25851 states have internal predecessors, (74524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:21:34,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25852 states to 25852 states and 74524 transitions. [2022-11-22 01:21:34,140 INFO L78 Accepts]: Start accepts. Automaton has 25852 states and 74524 transitions. Word has length 7 [2022-11-22 01:21:34,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:21:34,140 INFO L495 AbstractCegarLoop]: Abstraction has 25852 states and 74524 transitions. [2022-11-22 01:21:34,141 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.4) internal successors, (7), 6 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:21:34,141 INFO L276 IsEmpty]: Start isEmpty. Operand 25852 states and 74524 transitions. [2022-11-22 01:21:34,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-22 01:21:34,148 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:21:34,149 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:21:34,149 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 01:21:34,149 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-22 01:21:34,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:21:34,150 INFO L85 PathProgramCache]: Analyzing trace with hash -1586601858, now seen corresponding path program 1 times [2022-11-22 01:21:34,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:21:34,151 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157281944] [2022-11-22 01:21:34,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:21:34,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:21:34,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:21:34,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:21:34,315 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:21:34,315 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157281944] [2022-11-22 01:21:34,315 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157281944] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:21:34,316 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:21:34,316 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-22 01:21:34,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156394419] [2022-11-22 01:21:34,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:21:34,317 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:21:34,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:21:34,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:21:34,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:21:34,318 INFO L87 Difference]: Start difference. First operand 25852 states and 74524 transitions. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:21:34,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:21:34,949 INFO L93 Difference]: Finished difference Result 25846 states and 74518 transitions. [2022-11-22 01:21:34,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:21:34,951 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-11-22 01:21:34,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:21:35,105 INFO L225 Difference]: With dead ends: 25846 [2022-11-22 01:21:35,105 INFO L226 Difference]: Without dead ends: 25846 [2022-11-22 01:21:35,106 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:21:35,107 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 0 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-22 01:21:35,107 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 130 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-22 01:21:35,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25846 states. [2022-11-22 01:21:35,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25846 to 25846. [2022-11-22 01:21:35,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25846 states, 25729 states have (on average 2.896264915076373) internal successors, (74518), 25845 states have internal predecessors, (74518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:21:36,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25846 states to 25846 states and 74518 transitions. [2022-11-22 01:21:36,144 INFO L78 Accepts]: Start accepts. Automaton has 25846 states and 74518 transitions. Word has length 7 [2022-11-22 01:21:36,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:21:36,144 INFO L495 AbstractCegarLoop]: Abstraction has 25846 states and 74518 transitions. [2022-11-22 01:21:36,145 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:21:36,145 INFO L276 IsEmpty]: Start isEmpty. Operand 25846 states and 74518 transitions. [2022-11-22 01:21:36,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-22 01:21:36,153 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:21:36,153 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:21:36,153 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-22 01:21:36,157 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting my_callbackErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-22 01:21:36,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:21:36,157 INFO L85 PathProgramCache]: Analyzing trace with hash -1661020964, now seen corresponding path program 1 times [2022-11-22 01:21:36,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:21:36,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155804396] [2022-11-22 01:21:36,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:21:36,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:21:36,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:21:36,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:21:36,737 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:21:36,738 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155804396] [2022-11-22 01:21:36,738 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155804396] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:21:36,738 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:21:36,738 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 01:21:36,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441628228] [2022-11-22 01:21:36,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:21:36,739 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 01:21:36,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:21:36,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 01:21:36,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:21:36,740 INFO L87 Difference]: Start difference. First operand 25846 states and 74518 transitions. Second operand has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:21:38,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:21:38,989 INFO L93 Difference]: Finished difference Result 30465 states and 88039 transitions. [2022-11-22 01:21:38,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 01:21:38,990 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-11-22 01:21:38,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:21:39,119 INFO L225 Difference]: With dead ends: 30465 [2022-11-22 01:21:39,120 INFO L226 Difference]: Without dead ends: 30465 [2022-11-22 01:21:39,120 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:21:39,124 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 121 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 1106 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 1111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-22 01:21:39,125 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 73 Invalid, 1111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1106 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-22 01:21:39,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30465 states. [2022-11-22 01:21:39,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30465 to 29460. [2022-11-22 01:21:40,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29460 states, 29343 states have (on average 2.8999761442251986) internal successors, (85094), 29459 states have internal predecessors, (85094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:21:40,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29460 states to 29460 states and 85094 transitions. [2022-11-22 01:21:40,123 INFO L78 Accepts]: Start accepts. Automaton has 29460 states and 85094 transitions. Word has length 10 [2022-11-22 01:21:40,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:21:40,123 INFO L495 AbstractCegarLoop]: Abstraction has 29460 states and 85094 transitions. [2022-11-22 01:21:40,124 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:21:40,125 INFO L276 IsEmpty]: Start isEmpty. Operand 29460 states and 85094 transitions. [2022-11-22 01:21:40,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-22 01:21:40,132 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:21:40,135 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:21:40,135 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-22 01:21:40,136 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-22 01:21:40,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:21:40,137 INFO L85 PathProgramCache]: Analyzing trace with hash -1582711914, now seen corresponding path program 1 times [2022-11-22 01:21:40,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:21:40,137 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149635071] [2022-11-22 01:21:40,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:21:40,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:21:40,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:21:40,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:21:40,792 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:21:40,792 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149635071] [2022-11-22 01:21:40,792 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149635071] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:21:40,792 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:21:40,792 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 01:21:40,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033446385] [2022-11-22 01:21:40,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:21:40,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 01:21:40,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:21:40,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 01:21:40,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:21:40,794 INFO L87 Difference]: Start difference. First operand 29460 states and 85094 transitions. Second operand has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:21:42,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:21:42,398 INFO L93 Difference]: Finished difference Result 32807 states and 93941 transitions. [2022-11-22 01:21:42,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 01:21:42,400 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-22 01:21:42,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:21:42,498 INFO L225 Difference]: With dead ends: 32807 [2022-11-22 01:21:42,498 INFO L226 Difference]: Without dead ends: 32807 [2022-11-22 01:21:42,498 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:21:42,499 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 103 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 752 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 794 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 752 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-22 01:21:42,499 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 73 Invalid, 794 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 752 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-22 01:21:42,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32807 states. [2022-11-22 01:21:43,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32807 to 31876. [2022-11-22 01:21:43,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31876 states, 31759 states have (on average 2.9012878239239273) internal successors, (92142), 31875 states have internal predecessors, (92142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:21:43,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31876 states to 31876 states and 92142 transitions. [2022-11-22 01:21:43,442 INFO L78 Accepts]: Start accepts. Automaton has 31876 states and 92142 transitions. Word has length 11 [2022-11-22 01:21:43,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:21:43,443 INFO L495 AbstractCegarLoop]: Abstraction has 31876 states and 92142 transitions. [2022-11-22 01:21:43,443 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:21:43,444 INFO L276 IsEmpty]: Start isEmpty. Operand 31876 states and 92142 transitions. [2022-11-22 01:21:43,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-22 01:21:43,448 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:21:43,448 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:21:43,448 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-22 01:21:43,448 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting my_callbackErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-22 01:21:43,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:21:43,449 INFO L85 PathProgramCache]: Analyzing trace with hash -1946539051, now seen corresponding path program 1 times [2022-11-22 01:21:43,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:21:43,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137894849] [2022-11-22 01:21:43,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:21:43,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:21:43,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:21:44,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:21:44,181 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:21:44,182 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137894849] [2022-11-22 01:21:44,182 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2137894849] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:21:44,182 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:21:44,182 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 01:21:44,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993494855] [2022-11-22 01:21:44,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:21:44,183 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 01:21:44,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:21:44,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 01:21:44,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:21:44,184 INFO L87 Difference]: Start difference. First operand 31876 states and 92142 transitions. Second operand has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:21:46,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:21:46,387 INFO L93 Difference]: Finished difference Result 36770 states and 106431 transitions. [2022-11-22 01:21:46,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 01:21:46,389 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 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 12 [2022-11-22 01:21:46,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:21:46,530 INFO L225 Difference]: With dead ends: 36770 [2022-11-22 01:21:46,530 INFO L226 Difference]: Without dead ends: 36770 [2022-11-22 01:21:46,531 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:21:46,531 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 133 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1209 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 1214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-22 01:21:46,532 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 61 Invalid, 1214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1209 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-22 01:21:46,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36770 states. [2022-11-22 01:21:47,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36770 to 35518. [2022-11-22 01:21:47,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35518 states, 35401 states have (on average 2.902827603740007) internal successors, (102763), 35517 states have internal predecessors, (102763), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:21:47,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35518 states to 35518 states and 102763 transitions. [2022-11-22 01:21:47,591 INFO L78 Accepts]: Start accepts. Automaton has 35518 states and 102763 transitions. Word has length 12 [2022-11-22 01:21:47,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:21:47,591 INFO L495 AbstractCegarLoop]: Abstraction has 35518 states and 102763 transitions. [2022-11-22 01:21:47,592 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:21:47,592 INFO L276 IsEmpty]: Start isEmpty. Operand 35518 states and 102763 transitions. [2022-11-22 01:21:47,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-22 01:21:47,593 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:21:47,593 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:21:47,593 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-22 01:21:47,593 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-22 01:21:47,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:21:47,594 INFO L85 PathProgramCache]: Analyzing trace with hash -928469045, now seen corresponding path program 1 times [2022-11-22 01:21:47,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:21:47,594 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534586139] [2022-11-22 01:21:47,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:21:47,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:21:47,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:21:48,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:21:48,186 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:21:48,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534586139] [2022-11-22 01:21:48,187 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1534586139] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:21:48,187 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:21:48,187 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 01:21:48,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113134239] [2022-11-22 01:21:48,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:21:48,188 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 01:21:48,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:21:48,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 01:21:48,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:21:48,189 INFO L87 Difference]: Start difference. First operand 35518 states and 102763 transitions. Second operand has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:21:49,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:21:49,528 INFO L93 Difference]: Finished difference Result 38728 states and 112137 transitions. [2022-11-22 01:21:49,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 01:21:49,529 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-22 01:21:49,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:21:49,631 INFO L225 Difference]: With dead ends: 38728 [2022-11-22 01:21:49,631 INFO L226 Difference]: Without dead ends: 38728 [2022-11-22 01:21:49,631 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:21:49,632 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 98 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 709 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 715 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 709 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-22 01:21:49,632 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 71 Invalid, 715 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 709 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-22 01:21:49,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38728 states. [2022-11-22 01:21:50,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38728 to 37928. [2022-11-22 01:21:50,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37928 states, 37812 states have (on average 2.9037078176240345) internal successors, (109795), 37927 states have internal predecessors, (109795), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:21:50,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37928 states to 37928 states and 109795 transitions. [2022-11-22 01:21:50,540 INFO L78 Accepts]: Start accepts. Automaton has 37928 states and 109795 transitions. Word has length 13 [2022-11-22 01:21:50,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:21:50,540 INFO L495 AbstractCegarLoop]: Abstraction has 37928 states and 109795 transitions. [2022-11-22 01:21:50,540 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:21:50,540 INFO L276 IsEmpty]: Start isEmpty. Operand 37928 states and 109795 transitions. [2022-11-22 01:21:50,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-22 01:21:50,543 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:21:50,543 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:21:50,544 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-22 01:21:50,544 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-22 01:21:50,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:21:50,544 INFO L85 PathProgramCache]: Analyzing trace with hash -6081689, now seen corresponding path program 1 times [2022-11-22 01:21:50,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:21:50,545 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986138987] [2022-11-22 01:21:50,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:21:50,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:21:50,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:21:50,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:21:50,669 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:21:50,669 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986138987] [2022-11-22 01:21:50,670 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986138987] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:21:50,670 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:21:50,670 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:21:50,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073888263] [2022-11-22 01:21:50,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:21:50,671 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:21:50,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:21:50,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:21:50,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:21:50,672 INFO L87 Difference]: Start difference. First operand 37928 states and 109795 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:21:51,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:21:51,050 INFO L93 Difference]: Finished difference Result 10051 states and 28229 transitions. [2022-11-22 01:21:51,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:21:51,051 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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 15 [2022-11-22 01:21:51,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:21:51,070 INFO L225 Difference]: With dead ends: 10051 [2022-11-22 01:21:51,070 INFO L226 Difference]: Without dead ends: 10051 [2022-11-22 01:21:51,070 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:21:51,071 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 48 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-22 01:21:51,071 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 159 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-22 01:21:51,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10051 states. [2022-11-22 01:21:51,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10051 to 10051. [2022-11-22 01:21:51,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10051 states, 10014 states have (on average 2.8189534651487915) internal successors, (28229), 10050 states have internal predecessors, (28229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:21:51,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10051 states to 10051 states and 28229 transitions. [2022-11-22 01:21:51,558 INFO L78 Accepts]: Start accepts. Automaton has 10051 states and 28229 transitions. Word has length 15 [2022-11-22 01:21:51,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:21:51,558 INFO L495 AbstractCegarLoop]: Abstraction has 10051 states and 28229 transitions. [2022-11-22 01:21:51,558 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:21:51,558 INFO L276 IsEmpty]: Start isEmpty. Operand 10051 states and 28229 transitions. [2022-11-22 01:21:51,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-22 01:21:51,561 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:21:51,561 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:21:51,561 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-22 01:21:51,561 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-22 01:21:51,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:21:51,562 INFO L85 PathProgramCache]: Analyzing trace with hash -445078880, now seen corresponding path program 1 times [2022-11-22 01:21:51,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:21:51,562 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527183406] [2022-11-22 01:21:51,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:21:51,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:21:51,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:21:52,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:21:52,409 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:21:52,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527183406] [2022-11-22 01:21:52,409 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [527183406] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:21:52,410 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:21:52,410 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-22 01:21:52,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776020638] [2022-11-22 01:21:52,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:21:52,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-22 01:21:52,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:21:52,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-22 01:21:52,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-11-22 01:21:52,411 INFO L87 Difference]: Start difference. First operand 10051 states and 28229 transitions. Second operand has 9 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:21:55,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:21:55,654 INFO L93 Difference]: Finished difference Result 13644 states and 37793 transitions. [2022-11-22 01:21:55,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-22 01:21:55,654 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 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 15 [2022-11-22 01:21:55,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:21:55,688 INFO L225 Difference]: With dead ends: 13644 [2022-11-22 01:21:55,689 INFO L226 Difference]: Without dead ends: 13644 [2022-11-22 01:21:55,689 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2022-11-22 01:21:55,689 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 295 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 1638 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 295 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 1718 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 1638 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-11-22 01:21:55,690 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [295 Valid, 78 Invalid, 1718 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 1638 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-11-22 01:21:55,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13644 states. [2022-11-22 01:21:56,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13644 to 10635. [2022-11-22 01:21:56,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10635 states, 10598 states have (on average 2.826665408567654) internal successors, (29957), 10634 states have internal predecessors, (29957), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:21:56,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10635 states to 10635 states and 29957 transitions. [2022-11-22 01:21:56,081 INFO L78 Accepts]: Start accepts. Automaton has 10635 states and 29957 transitions. Word has length 15 [2022-11-22 01:21:56,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:21:56,081 INFO L495 AbstractCegarLoop]: Abstraction has 10635 states and 29957 transitions. [2022-11-22 01:21:56,081 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:21:56,081 INFO L276 IsEmpty]: Start isEmpty. Operand 10635 states and 29957 transitions. [2022-11-22 01:21:56,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-22 01:21:56,083 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:21:56,083 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:21:56,083 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-22 01:21:56,083 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting my_callbackErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-22 01:21:56,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:21:56,084 INFO L85 PathProgramCache]: Analyzing trace with hash -621252382, now seen corresponding path program 1 times [2022-11-22 01:21:56,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:21:56,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058373773] [2022-11-22 01:21:56,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:21:56,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:21:56,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:21:56,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:21:56,597 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:21:56,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058373773] [2022-11-22 01:21:56,598 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1058373773] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:21:56,598 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:21:56,598 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-22 01:21:56,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749161126] [2022-11-22 01:21:56,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:21:56,598 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-22 01:21:56,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:21:56,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-22 01:21:56,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-11-22 01:21:56,599 INFO L87 Difference]: Start difference. First operand 10635 states and 29957 transitions. Second operand has 9 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:21:58,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:21:58,704 INFO L93 Difference]: Finished difference Result 11681 states and 32898 transitions. [2022-11-22 01:21:58,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-22 01:21:58,704 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 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 15 [2022-11-22 01:21:58,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:21:58,727 INFO L225 Difference]: With dead ends: 11681 [2022-11-22 01:21:58,727 INFO L226 Difference]: Without dead ends: 11681 [2022-11-22 01:21:58,728 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2022-11-22 01:21:58,728 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 255 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 1169 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 1195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 1169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-22 01:21:58,728 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [255 Valid, 73 Invalid, 1195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 1169 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-22 01:21:58,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11681 states. [2022-11-22 01:21:58,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11681 to 10455. [2022-11-22 01:21:58,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10455 states, 10418 states have (on average 2.8255903244384717) internal successors, (29437), 10454 states have internal predecessors, (29437), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:21:58,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10455 states to 10455 states and 29437 transitions. [2022-11-22 01:21:58,929 INFO L78 Accepts]: Start accepts. Automaton has 10455 states and 29437 transitions. Word has length 15 [2022-11-22 01:21:58,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:21:58,929 INFO L495 AbstractCegarLoop]: Abstraction has 10455 states and 29437 transitions. [2022-11-22 01:21:58,929 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:21:58,929 INFO L276 IsEmpty]: Start isEmpty. Operand 10455 states and 29437 transitions. [2022-11-22 01:21:58,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-22 01:21:58,930 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:21:58,931 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:21:58,931 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-22 01:21:58,931 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-22 01:21:58,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:21:58,931 INFO L85 PathProgramCache]: Analyzing trace with hash 1088825348, now seen corresponding path program 2 times [2022-11-22 01:21:58,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:21:58,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890832481] [2022-11-22 01:21:58,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:21:58,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:21:58,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:21:59,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:21:59,517 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:21:59,517 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890832481] [2022-11-22 01:21:59,517 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1890832481] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:21:59,517 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:21:59,517 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-22 01:21:59,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216860233] [2022-11-22 01:21:59,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:21:59,518 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-22 01:21:59,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:21:59,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-22 01:21:59,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-11-22 01:21:59,518 INFO L87 Difference]: Start difference. First operand 10455 states and 29437 transitions. Second operand has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:22:02,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:22:02,609 INFO L93 Difference]: Finished difference Result 15830 states and 43312 transitions. [2022-11-22 01:22:02,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-22 01:22:02,611 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 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 15 [2022-11-22 01:22:02,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:22:02,643 INFO L225 Difference]: With dead ends: 15830 [2022-11-22 01:22:02,643 INFO L226 Difference]: Without dead ends: 15830 [2022-11-22 01:22:02,643 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=84, Invalid=156, Unknown=0, NotChecked=0, Total=240 [2022-11-22 01:22:02,643 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 266 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 1435 mSolverCounterSat, 115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 1550 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 1435 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-11-22 01:22:02,644 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [266 Valid, 60 Invalid, 1550 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 1435 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-11-22 01:22:02,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15830 states. [2022-11-22 01:22:02,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15830 to 10455. [2022-11-22 01:22:02,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10455 states, 10418 states have (on average 2.8255903244384717) internal successors, (29437), 10454 states have internal predecessors, (29437), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:22:02,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10455 states to 10455 states and 29437 transitions. [2022-11-22 01:22:02,833 INFO L78 Accepts]: Start accepts. Automaton has 10455 states and 29437 transitions. Word has length 15 [2022-11-22 01:22:02,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:22:02,834 INFO L495 AbstractCegarLoop]: Abstraction has 10455 states and 29437 transitions. [2022-11-22 01:22:02,834 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:22:02,834 INFO L276 IsEmpty]: Start isEmpty. Operand 10455 states and 29437 transitions. [2022-11-22 01:22:02,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-22 01:22:02,835 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:22:02,836 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:22:02,836 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-22 01:22:02,838 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-22 01:22:02,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:22:02,839 INFO L85 PathProgramCache]: Analyzing trace with hash 1605999456, now seen corresponding path program 3 times [2022-11-22 01:22:02,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:22:02,839 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174687372] [2022-11-22 01:22:02,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:22:02,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:22:02,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:22:03,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:22:03,383 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:22:03,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174687372] [2022-11-22 01:22:03,383 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174687372] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:22:03,384 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:22:03,384 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-22 01:22:03,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701294204] [2022-11-22 01:22:03,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:22:03,384 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-22 01:22:03,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:22:03,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-22 01:22:03,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-22 01:22:03,385 INFO L87 Difference]: Start difference. First operand 10455 states and 29437 transitions. Second operand has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:22:06,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:22:06,483 INFO L93 Difference]: Finished difference Result 17585 states and 48436 transitions. [2022-11-22 01:22:06,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-22 01:22:06,484 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 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 15 [2022-11-22 01:22:06,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:22:06,520 INFO L225 Difference]: With dead ends: 17585 [2022-11-22 01:22:06,521 INFO L226 Difference]: Without dead ends: 17585 [2022-11-22 01:22:06,521 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2022-11-22 01:22:06,521 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 277 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 1428 mSolverCounterSat, 138 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 1566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 138 IncrementalHoareTripleChecker+Valid, 1428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-11-22 01:22:06,521 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [277 Valid, 61 Invalid, 1566 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [138 Valid, 1428 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-11-22 01:22:06,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17585 states. [2022-11-22 01:22:06,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17585 to 10455. [2022-11-22 01:22:06,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10455 states, 10418 states have (on average 2.8255903244384717) internal successors, (29437), 10454 states have internal predecessors, (29437), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:22:06,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10455 states to 10455 states and 29437 transitions. [2022-11-22 01:22:06,726 INFO L78 Accepts]: Start accepts. Automaton has 10455 states and 29437 transitions. Word has length 15 [2022-11-22 01:22:06,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:22:06,726 INFO L495 AbstractCegarLoop]: Abstraction has 10455 states and 29437 transitions. [2022-11-22 01:22:06,726 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:22:06,726 INFO L276 IsEmpty]: Start isEmpty. Operand 10455 states and 29437 transitions. [2022-11-22 01:22:06,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-22 01:22:06,728 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:22:06,728 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:22:06,728 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-22 01:22:06,728 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-22 01:22:06,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:22:06,729 INFO L85 PathProgramCache]: Analyzing trace with hash 852352900, now seen corresponding path program 4 times [2022-11-22 01:22:06,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:22:06,729 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707060381] [2022-11-22 01:22:06,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:22:06,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:22:06,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:22:07,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:22:07,271 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:22:07,271 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707060381] [2022-11-22 01:22:07,271 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707060381] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:22:07,271 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:22:07,271 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-22 01:22:07,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327480106] [2022-11-22 01:22:07,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:22:07,272 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-22 01:22:07,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:22:07,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-22 01:22:07,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-11-22 01:22:07,272 INFO L87 Difference]: Start difference. First operand 10455 states and 29437 transitions. Second operand has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:22:10,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:22:10,261 INFO L93 Difference]: Finished difference Result 18155 states and 50080 transitions. [2022-11-22 01:22:10,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-22 01:22:10,262 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 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 15 [2022-11-22 01:22:10,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:22:10,300 INFO L225 Difference]: With dead ends: 18155 [2022-11-22 01:22:10,300 INFO L226 Difference]: Without dead ends: 18155 [2022-11-22 01:22:10,300 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2022-11-22 01:22:10,301 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 361 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 1389 mSolverCounterSat, 134 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 361 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 1523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 134 IncrementalHoareTripleChecker+Valid, 1389 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-11-22 01:22:10,301 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [361 Valid, 60 Invalid, 1523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [134 Valid, 1389 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-11-22 01:22:10,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18155 states. [2022-11-22 01:22:10,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18155 to 9855. [2022-11-22 01:22:10,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9855 states, 9818 states have (on average 2.81778366266042) internal successors, (27665), 9854 states have internal predecessors, (27665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:22:10,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9855 states to 9855 states and 27665 transitions. [2022-11-22 01:22:10,507 INFO L78 Accepts]: Start accepts. Automaton has 9855 states and 27665 transitions. Word has length 15 [2022-11-22 01:22:10,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:22:10,508 INFO L495 AbstractCegarLoop]: Abstraction has 9855 states and 27665 transitions. [2022-11-22 01:22:10,508 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:22:10,508 INFO L276 IsEmpty]: Start isEmpty. Operand 9855 states and 27665 transitions. [2022-11-22 01:22:10,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-22 01:22:10,509 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:22:10,509 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:22:10,509 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-22 01:22:10,509 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting my_callbackErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-22 01:22:10,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:22:10,510 INFO L85 PathProgramCache]: Analyzing trace with hash -634686509, now seen corresponding path program 1 times [2022-11-22 01:22:10,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:22:10,510 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879059950] [2022-11-22 01:22:10,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:22:10,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:22:10,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:22:11,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:22:11,002 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:22:11,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879059950] [2022-11-22 01:22:11,002 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879059950] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:22:11,002 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:22:11,002 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-22 01:22:11,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32985419] [2022-11-22 01:22:11,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:22:11,003 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-22 01:22:11,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:22:11,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-22 01:22:11,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-11-22 01:22:11,003 INFO L87 Difference]: Start difference. First operand 9855 states and 27665 transitions. Second operand has 9 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:22:13,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:22:13,243 INFO L93 Difference]: Finished difference Result 10979 states and 30822 transitions. [2022-11-22 01:22:13,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-22 01:22:13,243 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 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 15 [2022-11-22 01:22:13,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:22:13,271 INFO L225 Difference]: With dead ends: 10979 [2022-11-22 01:22:13,271 INFO L226 Difference]: Without dead ends: 10979 [2022-11-22 01:22:13,271 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=65, Invalid=117, Unknown=0, NotChecked=0, Total=182 [2022-11-22 01:22:13,271 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 269 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 1320 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 269 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 1345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1320 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:22:13,272 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [269 Valid, 63 Invalid, 1345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1320 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-11-22 01:22:13,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10979 states. [2022-11-22 01:22:13,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10979 to 10050. [2022-11-22 01:22:13,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10050 states, 10013 states have (on average 2.8218316188954358) internal successors, (28255), 10049 states have internal predecessors, (28255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:22:13,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10050 states to 10050 states and 28255 transitions. [2022-11-22 01:22:13,503 INFO L78 Accepts]: Start accepts. Automaton has 10050 states and 28255 transitions. Word has length 15 [2022-11-22 01:22:13,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:22:13,503 INFO L495 AbstractCegarLoop]: Abstraction has 10050 states and 28255 transitions. [2022-11-22 01:22:13,503 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:22:13,503 INFO L276 IsEmpty]: Start isEmpty. Operand 10050 states and 28255 transitions. [2022-11-22 01:22:13,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-22 01:22:13,505 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:22:13,505 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:22:13,506 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-22 01:22:13,506 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-22 01:22:13,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:22:13,507 INFO L85 PathProgramCache]: Analyzing trace with hash -1309347781, now seen corresponding path program 1 times [2022-11-22 01:22:13,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:22:13,507 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268556987] [2022-11-22 01:22:13,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:22:13,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:22:13,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:22:14,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:22:14,084 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:22:14,084 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268556987] [2022-11-22 01:22:14,084 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [268556987] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:22:14,084 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:22:14,084 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-22 01:22:14,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090614703] [2022-11-22 01:22:14,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:22:14,085 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-22 01:22:14,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:22:14,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-22 01:22:14,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-11-22 01:22:14,086 INFO L87 Difference]: Start difference. First operand 10050 states and 28255 transitions. Second operand has 9 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:22:16,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:22:16,350 INFO L93 Difference]: Finished difference Result 15621 states and 43528 transitions. [2022-11-22 01:22:16,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-22 01:22:16,350 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 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 15 [2022-11-22 01:22:16,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:22:16,390 INFO L225 Difference]: With dead ends: 15621 [2022-11-22 01:22:16,390 INFO L226 Difference]: Without dead ends: 15621 [2022-11-22 01:22:16,391 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2022-11-22 01:22:16,391 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 297 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 1277 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 297 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 1373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 1277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:22:16,392 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [297 Valid, 64 Invalid, 1373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 1277 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-11-22 01:22:16,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15621 states. [2022-11-22 01:22:16,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15621 to 13490. [2022-11-22 01:22:16,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13490 states, 13453 states have (on average 2.885824723110087) internal successors, (38823), 13489 states have internal predecessors, (38823), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:22:16,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13490 states to 13490 states and 38823 transitions. [2022-11-22 01:22:16,706 INFO L78 Accepts]: Start accepts. Automaton has 13490 states and 38823 transitions. Word has length 15 [2022-11-22 01:22:16,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:22:16,706 INFO L495 AbstractCegarLoop]: Abstraction has 13490 states and 38823 transitions. [2022-11-22 01:22:16,707 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:22:16,707 INFO L276 IsEmpty]: Start isEmpty. Operand 13490 states and 38823 transitions. [2022-11-22 01:22:16,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-22 01:22:16,708 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:22:16,709 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:22:16,709 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-22 01:22:16,709 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-22 01:22:16,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:22:16,710 INFO L85 PathProgramCache]: Analyzing trace with hash 1114260831, now seen corresponding path program 2 times [2022-11-22 01:22:16,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:22:16,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000551630] [2022-11-22 01:22:16,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:22:16,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:22:16,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:22:17,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:22:17,310 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:22:17,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000551630] [2022-11-22 01:22:17,311 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000551630] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:22:17,311 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:22:17,311 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-22 01:22:17,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819636169] [2022-11-22 01:22:17,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:22:17,311 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-22 01:22:17,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:22:17,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-22 01:22:17,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-11-22 01:22:17,312 INFO L87 Difference]: Start difference. First operand 13490 states and 38823 transitions. Second operand has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:22:20,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:22:20,835 INFO L93 Difference]: Finished difference Result 17810 states and 49243 transitions. [2022-11-22 01:22:20,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-22 01:22:20,836 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 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 15 [2022-11-22 01:22:20,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:22:20,884 INFO L225 Difference]: With dead ends: 17810 [2022-11-22 01:22:20,884 INFO L226 Difference]: Without dead ends: 17810 [2022-11-22 01:22:20,885 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=84, Invalid=156, Unknown=0, NotChecked=0, Total=240 [2022-11-22 01:22:20,885 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 349 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 1651 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 349 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 1753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 1651 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-11-22 01:22:20,886 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [349 Valid, 53 Invalid, 1753 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 1651 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-11-22 01:22:20,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17810 states. [2022-11-22 01:22:21,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17810 to 13650. [2022-11-22 01:22:21,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13650 states, 13613 states have (on average 2.8865790053625213) internal successors, (39295), 13649 states have internal predecessors, (39295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:22:21,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13650 states to 13650 states and 39295 transitions. [2022-11-22 01:22:21,175 INFO L78 Accepts]: Start accepts. Automaton has 13650 states and 39295 transitions. Word has length 15 [2022-11-22 01:22:21,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:22:21,176 INFO L495 AbstractCegarLoop]: Abstraction has 13650 states and 39295 transitions. [2022-11-22 01:22:21,176 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:22:21,176 INFO L276 IsEmpty]: Start isEmpty. Operand 13650 states and 39295 transitions. [2022-11-22 01:22:21,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-22 01:22:21,178 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:22:21,178 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:22:21,178 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-22 01:22:21,178 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-22 01:22:21,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:22:21,179 INFO L85 PathProgramCache]: Analyzing trace with hash 1916534809, now seen corresponding path program 3 times [2022-11-22 01:22:21,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:22:21,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416617071] [2022-11-22 01:22:21,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:22:21,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:22:21,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:22:21,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:22:21,676 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:22:21,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416617071] [2022-11-22 01:22:21,676 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1416617071] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:22:21,676 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:22:21,676 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-22 01:22:21,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171506887] [2022-11-22 01:22:21,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:22:21,677 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-22 01:22:21,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:22:21,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-22 01:22:21,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-22 01:22:21,677 INFO L87 Difference]: Start difference. First operand 13650 states and 39295 transitions. Second operand has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:22:25,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:22:25,439 INFO L93 Difference]: Finished difference Result 19559 states and 54349 transitions. [2022-11-22 01:22:25,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-22 01:22:25,441 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 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 15 [2022-11-22 01:22:25,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:22:25,486 INFO L225 Difference]: With dead ends: 19559 [2022-11-22 01:22:25,486 INFO L226 Difference]: Without dead ends: 19559 [2022-11-22 01:22:25,486 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2022-11-22 01:22:25,487 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 261 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 1796 mSolverCounterSat, 121 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 261 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 1917 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 121 IncrementalHoareTripleChecker+Valid, 1796 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-11-22 01:22:25,487 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [261 Valid, 46 Invalid, 1917 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [121 Valid, 1796 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-11-22 01:22:25,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19559 states. [2022-11-22 01:22:25,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19559 to 13650. [2022-11-22 01:22:25,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13650 states, 13613 states have (on average 2.8865790053625213) internal successors, (39295), 13649 states have internal predecessors, (39295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:22:25,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13650 states to 13650 states and 39295 transitions. [2022-11-22 01:22:25,812 INFO L78 Accepts]: Start accepts. Automaton has 13650 states and 39295 transitions. Word has length 15 [2022-11-22 01:22:25,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:22:25,812 INFO L495 AbstractCegarLoop]: Abstraction has 13650 states and 39295 transitions. [2022-11-22 01:22:25,812 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:22:25,812 INFO L276 IsEmpty]: Start isEmpty. Operand 13650 states and 39295 transitions. [2022-11-22 01:22:25,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-22 01:22:25,814 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:22:25,814 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:22:25,814 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-22 01:22:25,814 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-22 01:22:25,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:22:25,815 INFO L85 PathProgramCache]: Analyzing trace with hash -1554047425, now seen corresponding path program 4 times [2022-11-22 01:22:25,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:22:25,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628732399] [2022-11-22 01:22:25,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:22:25,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:22:25,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:22:26,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:22:26,379 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:22:26,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628732399] [2022-11-22 01:22:26,379 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628732399] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:22:26,379 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:22:26,380 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-22 01:22:26,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011192928] [2022-11-22 01:22:26,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:22:26,380 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-22 01:22:26,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:22:26,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-22 01:22:26,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-11-22 01:22:26,381 INFO L87 Difference]: Start difference. First operand 13650 states and 39295 transitions. Second operand has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:22:29,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:22:29,526 INFO L93 Difference]: Finished difference Result 20133 states and 56005 transitions. [2022-11-22 01:22:29,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-22 01:22:29,527 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 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 15 [2022-11-22 01:22:29,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:22:29,579 INFO L225 Difference]: With dead ends: 20133 [2022-11-22 01:22:29,579 INFO L226 Difference]: Without dead ends: 20133 [2022-11-22 01:22:29,580 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2022-11-22 01:22:29,580 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 368 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 1364 mSolverCounterSat, 141 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 368 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 1505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 141 IncrementalHoareTripleChecker+Valid, 1364 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-11-22 01:22:29,580 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [368 Valid, 43 Invalid, 1505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [141 Valid, 1364 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-11-22 01:22:29,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20133 states. [2022-11-22 01:22:29,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20133 to 13218. [2022-11-22 01:22:29,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13218 states, 13181 states have (on average 2.884379030422578) internal successors, (38019), 13217 states have internal predecessors, (38019), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:22:29,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13218 states to 13218 states and 38019 transitions. [2022-11-22 01:22:29,933 INFO L78 Accepts]: Start accepts. Automaton has 13218 states and 38019 transitions. Word has length 15 [2022-11-22 01:22:29,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:22:29,933 INFO L495 AbstractCegarLoop]: Abstraction has 13218 states and 38019 transitions. [2022-11-22 01:22:29,933 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:22:29,933 INFO L276 IsEmpty]: Start isEmpty. Operand 13218 states and 38019 transitions. [2022-11-22 01:22:29,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-22 01:22:29,935 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:22:29,935 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:22:29,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-22 01:22:29,936 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting my_callbackErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-22 01:22:29,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:22:29,936 INFO L85 PathProgramCache]: Analyzing trace with hash -558258409, now seen corresponding path program 1 times [2022-11-22 01:22:29,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:22:29,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989639357] [2022-11-22 01:22:29,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:22:29,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:22:29,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:22:30,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:22:30,586 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:22:30,586 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989639357] [2022-11-22 01:22:30,586 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989639357] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:22:30,586 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:22:30,587 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:22:30,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668202855] [2022-11-22 01:22:30,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:22:30,588 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:22:30,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:22:30,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:22:30,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:22:30,589 INFO L87 Difference]: Start difference. First operand 13218 states and 38019 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:22:31,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:22:31,221 INFO L93 Difference]: Finished difference Result 13489 states and 38296 transitions. [2022-11-22 01:22:31,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:22:31,223 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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 16 [2022-11-22 01:22:31,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:22:31,261 INFO L225 Difference]: With dead ends: 13489 [2022-11-22 01:22:31,262 INFO L226 Difference]: Without dead ends: 13489 [2022-11-22 01:22:31,262 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:22:31,262 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 49 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-22 01:22:31,263 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 115 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-22 01:22:31,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13489 states. [2022-11-22 01:22:31,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13489 to 13082. [2022-11-22 01:22:31,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13082 states, 13043 states have (on average 2.8707352602928773) internal successors, (37443), 13081 states have internal predecessors, (37443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:22:31,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13082 states to 13082 states and 37443 transitions. [2022-11-22 01:22:31,555 INFO L78 Accepts]: Start accepts. Automaton has 13082 states and 37443 transitions. Word has length 16 [2022-11-22 01:22:31,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:22:31,556 INFO L495 AbstractCegarLoop]: Abstraction has 13082 states and 37443 transitions. [2022-11-22 01:22:31,556 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:22:31,556 INFO L276 IsEmpty]: Start isEmpty. Operand 13082 states and 37443 transitions. [2022-11-22 01:22:31,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-22 01:22:31,557 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:22:31,557 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:22:31,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-22 01:22:31,558 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting my_callbackErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-22 01:22:31,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:22:31,558 INFO L85 PathProgramCache]: Analyzing trace with hash -1478371312, now seen corresponding path program 1 times [2022-11-22 01:22:31,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:22:31,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529404355] [2022-11-22 01:22:31,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:22:31,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:22:31,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:22:31,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:22:31,930 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:22:31,931 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529404355] [2022-11-22 01:22:31,931 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529404355] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:22:31,931 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:22:31,931 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 01:22:31,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362266540] [2022-11-22 01:22:31,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:22:31,932 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 01:22:31,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:22:31,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 01:22:31,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:22:31,933 INFO L87 Difference]: Start difference. First operand 13082 states and 37443 transitions. Second operand has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:22:33,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:22:33,393 INFO L93 Difference]: Finished difference Result 15207 states and 43591 transitions. [2022-11-22 01:22:33,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 01:22:33,395 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 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 16 [2022-11-22 01:22:33,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:22:33,435 INFO L225 Difference]: With dead ends: 15207 [2022-11-22 01:22:33,435 INFO L226 Difference]: Without dead ends: 15207 [2022-11-22 01:22:33,435 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:22:33,436 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 70 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 668 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 705 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 668 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-22 01:22:33,436 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 70 Invalid, 705 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 668 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-22 01:22:33,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15207 states. [2022-11-22 01:22:33,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15207 to 14391. [2022-11-22 01:22:33,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14391 states, 14353 states have (on average 2.8722218351564135) internal successors, (41225), 14390 states have internal predecessors, (41225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:22:33,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14391 states to 14391 states and 41225 transitions. [2022-11-22 01:22:33,777 INFO L78 Accepts]: Start accepts. Automaton has 14391 states and 41225 transitions. Word has length 16 [2022-11-22 01:22:33,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:22:33,777 INFO L495 AbstractCegarLoop]: Abstraction has 14391 states and 41225 transitions. [2022-11-22 01:22:33,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:22:33,778 INFO L276 IsEmpty]: Start isEmpty. Operand 14391 states and 41225 transitions. [2022-11-22 01:22:33,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-22 01:22:33,779 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:22:33,780 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:22:33,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-22 01:22:33,780 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting my_callbackErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-22 01:22:33,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:22:33,781 INFO L85 PathProgramCache]: Analyzing trace with hash 49494963, now seen corresponding path program 2 times [2022-11-22 01:22:33,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:22:33,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72478610] [2022-11-22 01:22:33,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:22:33,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:22:33,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:22:34,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:22:34,255 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:22:34,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72478610] [2022-11-22 01:22:34,255 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72478610] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:22:34,255 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:22:34,255 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:22:34,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467151903] [2022-11-22 01:22:34,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:22:34,256 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:22:34,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:22:34,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:22:34,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:22:34,257 INFO L87 Difference]: Start difference. First operand 14391 states and 41225 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:22:34,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:22:34,753 INFO L93 Difference]: Finished difference Result 1767 states and 3797 transitions. [2022-11-22 01:22:34,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:22:34,754 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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 16 [2022-11-22 01:22:34,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:22:34,758 INFO L225 Difference]: With dead ends: 1767 [2022-11-22 01:22:34,758 INFO L226 Difference]: Without dead ends: 1767 [2022-11-22 01:22:34,758 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:22:34,759 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 38 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-22 01:22:34,759 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 99 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-22 01:22:34,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1767 states. [2022-11-22 01:22:34,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1767 to 1631. [2022-11-22 01:22:34,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1631 states, 1614 states have (on average 2.146840148698885) internal successors, (3465), 1630 states have internal predecessors, (3465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:22:34,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1631 states to 1631 states and 3465 transitions. [2022-11-22 01:22:34,795 INFO L78 Accepts]: Start accepts. Automaton has 1631 states and 3465 transitions. Word has length 16 [2022-11-22 01:22:34,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:22:34,795 INFO L495 AbstractCegarLoop]: Abstraction has 1631 states and 3465 transitions. [2022-11-22 01:22:34,795 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:22:34,795 INFO L276 IsEmpty]: Start isEmpty. Operand 1631 states and 3465 transitions. [2022-11-22 01:22:34,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-22 01:22:34,797 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:22:34,797 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:22:34,797 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-22 01:22:34,797 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting my_callbackErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-22 01:22:34,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:22:34,798 INFO L85 PathProgramCache]: Analyzing trace with hash 1947263593, now seen corresponding path program 1 times [2022-11-22 01:22:34,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:22:34,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29474601] [2022-11-22 01:22:34,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:22:34,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:22:34,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:22:35,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:22:35,173 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:22:35,173 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29474601] [2022-11-22 01:22:35,173 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [29474601] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:22:35,173 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:22:35,173 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 01:22:35,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838173005] [2022-11-22 01:22:35,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:22:35,174 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 01:22:35,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:22:35,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 01:22:35,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:22:35,175 INFO L87 Difference]: Start difference. First operand 1631 states and 3465 transitions. Second operand has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:22:36,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:22:36,156 INFO L93 Difference]: Finished difference Result 1593 states and 3384 transitions. [2022-11-22 01:22:36,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 01:22:36,157 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 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 18 [2022-11-22 01:22:36,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:22:36,159 INFO L225 Difference]: With dead ends: 1593 [2022-11-22 01:22:36,159 INFO L226 Difference]: Without dead ends: 1593 [2022-11-22 01:22:36,159 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:22:36,160 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 42 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 470 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 506 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 470 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-22 01:22:36,160 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 55 Invalid, 506 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 470 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-22 01:22:36,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1593 states. [2022-11-22 01:22:36,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1593 to 1593. [2022-11-22 01:22:36,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1593 states, 1580 states have (on average 2.141772151898734) internal successors, (3384), 1592 states have internal predecessors, (3384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:22:36,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1593 states to 1593 states and 3384 transitions. [2022-11-22 01:22:36,179 INFO L78 Accepts]: Start accepts. Automaton has 1593 states and 3384 transitions. Word has length 18 [2022-11-22 01:22:36,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:22:36,179 INFO L495 AbstractCegarLoop]: Abstraction has 1593 states and 3384 transitions. [2022-11-22 01:22:36,179 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:22:36,180 INFO L276 IsEmpty]: Start isEmpty. Operand 1593 states and 3384 transitions. [2022-11-22 01:22:36,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-22 01:22:36,180 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:22:36,181 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:22:36,181 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-22 01:22:36,181 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-22 01:22:36,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:22:36,181 INFO L85 PathProgramCache]: Analyzing trace with hash 171826040, now seen corresponding path program 1 times [2022-11-22 01:22:36,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:22:36,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687438620] [2022-11-22 01:22:36,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:22:36,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:22:36,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:22:36,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:22:36,520 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:22:36,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687438620] [2022-11-22 01:22:36,521 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1687438620] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:22:36,521 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:22:36,521 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 01:22:36,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284861860] [2022-11-22 01:22:36,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:22:36,522 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 01:22:36,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:22:36,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 01:22:36,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:22:36,522 INFO L87 Difference]: Start difference. First operand 1593 states and 3384 transitions. Second operand has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:22:37,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:22:37,071 INFO L93 Difference]: Finished difference Result 1592 states and 3383 transitions. [2022-11-22 01:22:37,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 01:22:37,072 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 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 19 [2022-11-22 01:22:37,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:22:37,074 INFO L225 Difference]: With dead ends: 1592 [2022-11-22 01:22:37,075 INFO L226 Difference]: Without dead ends: 1592 [2022-11-22 01:22:37,075 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:22:37,075 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 32 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-22 01:22:37,076 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 47 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-22 01:22:37,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1592 states. [2022-11-22 01:22:37,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1592 to 1592. [2022-11-22 01:22:37,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1592 states, 1580 states have (on average 2.141139240506329) internal successors, (3383), 1591 states have internal predecessors, (3383), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:22:37,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1592 states to 1592 states and 3383 transitions. [2022-11-22 01:22:37,093 INFO L78 Accepts]: Start accepts. Automaton has 1592 states and 3383 transitions. Word has length 19 [2022-11-22 01:22:37,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:22:37,093 INFO L495 AbstractCegarLoop]: Abstraction has 1592 states and 3383 transitions. [2022-11-22 01:22:37,093 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:22:37,093 INFO L276 IsEmpty]: Start isEmpty. Operand 1592 states and 3383 transitions. [2022-11-22 01:22:37,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-22 01:22:37,095 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:22:37,095 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:22:37,095 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-22 01:22:37,095 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting my_callbackErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-22 01:22:37,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:22:37,096 INFO L85 PathProgramCache]: Analyzing trace with hash -1454633212, now seen corresponding path program 1 times [2022-11-22 01:22:37,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:22:37,096 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793594286] [2022-11-22 01:22:37,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:22:37,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:22:37,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:22:37,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:22:37,398 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:22:37,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793594286] [2022-11-22 01:22:37,398 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1793594286] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:22:37,399 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:22:37,399 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 01:22:37,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156340087] [2022-11-22 01:22:37,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:22:37,402 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 01:22:37,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:22:37,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 01:22:37,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:22:37,403 INFO L87 Difference]: Start difference. First operand 1592 states and 3383 transitions. Second operand has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:22:38,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:22:38,494 INFO L93 Difference]: Finished difference Result 1656 states and 3516 transitions. [2022-11-22 01:22:38,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 01:22:38,495 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 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 22 [2022-11-22 01:22:38,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:22:38,497 INFO L225 Difference]: With dead ends: 1656 [2022-11-22 01:22:38,497 INFO L226 Difference]: Without dead ends: 1656 [2022-11-22 01:22:38,497 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:22:38,498 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 28 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 433 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 433 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:22:38,498 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 59 Invalid, 436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 433 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-22 01:22:38,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1656 states. [2022-11-22 01:22:38,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1656 to 1656. [2022-11-22 01:22:38,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1656 states, 1644 states have (on average 2.1386861313868613) internal successors, (3516), 1655 states have internal predecessors, (3516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:22:38,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1656 states to 1656 states and 3516 transitions. [2022-11-22 01:22:38,521 INFO L78 Accepts]: Start accepts. Automaton has 1656 states and 3516 transitions. Word has length 22 [2022-11-22 01:22:38,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:22:38,522 INFO L495 AbstractCegarLoop]: Abstraction has 1656 states and 3516 transitions. [2022-11-22 01:22:38,522 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:22:38,522 INFO L276 IsEmpty]: Start isEmpty. Operand 1656 states and 3516 transitions. [2022-11-22 01:22:38,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-22 01:22:38,523 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:22:38,523 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:22:38,524 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-22 01:22:38,524 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting my_callbackErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-22 01:22:38,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:22:38,524 INFO L85 PathProgramCache]: Analyzing trace with hash 133518483, now seen corresponding path program 1 times [2022-11-22 01:22:38,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:22:38,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000228635] [2022-11-22 01:22:38,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:22:38,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:22:38,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:22:38,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:22:38,916 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:22:38,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000228635] [2022-11-22 01:22:38,917 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000228635] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:22:38,917 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:22:38,917 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 01:22:38,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612247621] [2022-11-22 01:22:38,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:22:38,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 01:22:38,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:22:38,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 01:22:38,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:22:38,919 INFO L87 Difference]: Start difference. First operand 1656 states and 3516 transitions. Second operand has 6 states, 5 states have (on average 4.8) internal successors, (24), 6 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:22:40,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:22:40,126 INFO L93 Difference]: Finished difference Result 1792 states and 3798 transitions. [2022-11-22 01:22:40,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 01:22:40,127 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 6 states have internal predecessors, (24), 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 24 [2022-11-22 01:22:40,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:22:40,129 INFO L225 Difference]: With dead ends: 1792 [2022-11-22 01:22:40,129 INFO L226 Difference]: Without dead ends: 1792 [2022-11-22 01:22:40,130 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:22:40,130 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 42 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 521 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 526 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 521 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-22 01:22:40,130 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 56 Invalid, 526 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 521 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-22 01:22:40,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1792 states. [2022-11-22 01:22:40,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1792 to 1758. [2022-11-22 01:22:40,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1758 states, 1746 states have (on average 2.1334478808705613) internal successors, (3725), 1757 states have internal predecessors, (3725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:22:40,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1758 states to 1758 states and 3725 transitions. [2022-11-22 01:22:40,158 INFO L78 Accepts]: Start accepts. Automaton has 1758 states and 3725 transitions. Word has length 24 [2022-11-22 01:22:40,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:22:40,158 INFO L495 AbstractCegarLoop]: Abstraction has 1758 states and 3725 transitions. [2022-11-22 01:22:40,158 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 6 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:22:40,158 INFO L276 IsEmpty]: Start isEmpty. Operand 1758 states and 3725 transitions. [2022-11-22 01:22:40,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-22 01:22:40,160 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:22:40,160 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:22:40,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-11-22 01:22:40,160 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-22 01:22:40,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:22:40,160 INFO L85 PathProgramCache]: Analyzing trace with hash 2145039199, now seen corresponding path program 1 times [2022-11-22 01:22:40,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:22:40,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003525508] [2022-11-22 01:22:40,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:22:40,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:22:40,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:22:40,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:22:40,586 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:22:40,586 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003525508] [2022-11-22 01:22:40,586 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2003525508] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:22:40,586 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:22:40,586 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 01:22:40,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218244447] [2022-11-22 01:22:40,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:22:40,587 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 01:22:40,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:22:40,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 01:22:40,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:22:40,588 INFO L87 Difference]: Start difference. First operand 1758 states and 3725 transitions. Second operand has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:22:41,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:22:41,163 INFO L93 Difference]: Finished difference Result 1757 states and 3724 transitions. [2022-11-22 01:22:41,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 01:22:41,164 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 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 25 [2022-11-22 01:22:41,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:22:41,168 INFO L225 Difference]: With dead ends: 1757 [2022-11-22 01:22:41,168 INFO L226 Difference]: Without dead ends: 1710 [2022-11-22 01:22:41,169 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:22:41,170 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 30 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 279 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-22 01:22:41,171 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 48 Invalid, 304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 279 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-22 01:22:41,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1710 states. [2022-11-22 01:22:41,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1710 to 1710. [2022-11-22 01:22:41,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1710 states, 1699 states have (on average 2.150088287227781) internal successors, (3653), 1709 states have internal predecessors, (3653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:22:41,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1710 states to 1710 states and 3653 transitions. [2022-11-22 01:22:41,216 INFO L78 Accepts]: Start accepts. Automaton has 1710 states and 3653 transitions. Word has length 25 [2022-11-22 01:22:41,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:22:41,216 INFO L495 AbstractCegarLoop]: Abstraction has 1710 states and 3653 transitions. [2022-11-22 01:22:41,216 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:22:41,216 INFO L276 IsEmpty]: Start isEmpty. Operand 1710 states and 3653 transitions. [2022-11-22 01:22:41,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-22 01:22:41,219 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:22:41,219 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:22:41,219 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-11-22 01:22:41,220 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting my_callbackErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-22 01:22:41,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:22:41,220 INFO L85 PathProgramCache]: Analyzing trace with hash 1667447098, now seen corresponding path program 1 times [2022-11-22 01:22:41,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:22:41,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576782214] [2022-11-22 01:22:41,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:22:41,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:22:41,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:22:41,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:22:41,841 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:22:41,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576782214] [2022-11-22 01:22:41,841 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [576782214] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:22:41,841 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:22:41,842 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-22 01:22:41,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563279970] [2022-11-22 01:22:41,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:22:41,842 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-22 01:22:41,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:22:41,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-22 01:22:41,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-11-22 01:22:41,843 INFO L87 Difference]: Start difference. First operand 1710 states and 3653 transitions. Second operand has 9 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:22:42,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:22:42,463 INFO L93 Difference]: Finished difference Result 1691 states and 3605 transitions. [2022-11-22 01:22:42,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-22 01:22:42,464 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 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 27 [2022-11-22 01:22:42,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:22:42,466 INFO L225 Difference]: With dead ends: 1691 [2022-11-22 01:22:42,466 INFO L226 Difference]: Without dead ends: 1691 [2022-11-22 01:22:42,466 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2022-11-22 01:22:42,467 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 131 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 440 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 440 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-22 01:22:42,467 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 58 Invalid, 462 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 440 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-22 01:22:42,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1691 states. [2022-11-22 01:22:42,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1691 to 1615. [2022-11-22 01:22:42,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1615 states, 1607 states have (on average 2.1437461107654014) internal successors, (3445), 1614 states have internal predecessors, (3445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:22:42,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1615 states to 1615 states and 3445 transitions. [2022-11-22 01:22:42,493 INFO L78 Accepts]: Start accepts. Automaton has 1615 states and 3445 transitions. Word has length 27 [2022-11-22 01:22:42,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:22:42,493 INFO L495 AbstractCegarLoop]: Abstraction has 1615 states and 3445 transitions. [2022-11-22 01:22:42,494 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:22:42,494 INFO L276 IsEmpty]: Start isEmpty. Operand 1615 states and 3445 transitions. [2022-11-22 01:22:42,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-22 01:22:42,495 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:22:42,495 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:22:42,495 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-11-22 01:22:42,495 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting my_callbackErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-22 01:22:42,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:22:42,496 INFO L85 PathProgramCache]: Analyzing trace with hash 600219647, now seen corresponding path program 1 times [2022-11-22 01:22:42,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:22:42,496 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660398600] [2022-11-22 01:22:42,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:22:42,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:22:42,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:22:43,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:22:43,114 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:22:43,115 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660398600] [2022-11-22 01:22:43,115 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660398600] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:22:43,115 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:22:43,115 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-22 01:22:43,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784821575] [2022-11-22 01:22:43,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:22:43,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-22 01:22:43,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:22:43,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-22 01:22:43,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-11-22 01:22:43,116 INFO L87 Difference]: Start difference. First operand 1615 states and 3445 transitions. Second operand has 9 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:22:43,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:22:43,819 INFO L93 Difference]: Finished difference Result 1598 states and 3399 transitions. [2022-11-22 01:22:43,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-22 01:22:43,819 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 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 27 [2022-11-22 01:22:43,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:22:43,822 INFO L225 Difference]: With dead ends: 1598 [2022-11-22 01:22:43,822 INFO L226 Difference]: Without dead ends: 1598 [2022-11-22 01:22:43,822 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2022-11-22 01:22:43,823 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 162 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 441 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-22 01:22:43,823 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 55 Invalid, 471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 441 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-22 01:22:43,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1598 states. [2022-11-22 01:22:43,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1598 to 1505. [2022-11-22 01:22:43,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1505 states, 1499 states have (on average 2.1360907271514344) internal successors, (3202), 1504 states have internal predecessors, (3202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:22:43,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1505 states to 1505 states and 3202 transitions. [2022-11-22 01:22:43,853 INFO L78 Accepts]: Start accepts. Automaton has 1505 states and 3202 transitions. Word has length 27 [2022-11-22 01:22:43,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:22:43,854 INFO L495 AbstractCegarLoop]: Abstraction has 1505 states and 3202 transitions. [2022-11-22 01:22:43,854 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:22:43,854 INFO L276 IsEmpty]: Start isEmpty. Operand 1505 states and 3202 transitions. [2022-11-22 01:22:43,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-22 01:22:43,855 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:22:43,855 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:22:43,856 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-11-22 01:22:43,856 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-22 01:22:43,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:22:43,856 INFO L85 PathProgramCache]: Analyzing trace with hash -2065275639, now seen corresponding path program 1 times [2022-11-22 01:22:43,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:22:43,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422886749] [2022-11-22 01:22:43,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:22:43,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:22:43,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:22:45,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:22:45,264 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:22:45,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422886749] [2022-11-22 01:22:45,264 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422886749] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:22:45,264 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:22:45,264 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-22 01:22:45,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887669635] [2022-11-22 01:22:45,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:22:45,265 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-22 01:22:45,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:22:45,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-22 01:22:45,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2022-11-22 01:22:45,266 INFO L87 Difference]: Start difference. First operand 1505 states and 3202 transitions. Second operand has 11 states, 10 states have (on average 3.6) internal successors, (36), 10 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:22:46,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:22:46,955 INFO L93 Difference]: Finished difference Result 2397 states and 4906 transitions. [2022-11-22 01:22:46,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-22 01:22:46,955 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.6) internal successors, (36), 10 states have internal predecessors, (36), 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 36 [2022-11-22 01:22:46,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:22:46,959 INFO L225 Difference]: With dead ends: 2397 [2022-11-22 01:22:46,959 INFO L226 Difference]: Without dead ends: 2397 [2022-11-22 01:22:46,959 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2022-11-22 01:22:46,960 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 278 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 1181 mSolverCounterSat, 160 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 278 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 1341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 160 IncrementalHoareTripleChecker+Valid, 1181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-22 01:22:46,960 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [278 Valid, 63 Invalid, 1341 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [160 Valid, 1181 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-22 01:22:46,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2397 states. [2022-11-22 01:22:46,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2397 to 1659. [2022-11-22 01:22:46,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1659 states, 1653 states have (on average 2.1681790683605566) internal successors, (3584), 1658 states have internal predecessors, (3584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:22:46,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1659 states to 1659 states and 3584 transitions. [2022-11-22 01:22:46,998 INFO L78 Accepts]: Start accepts. Automaton has 1659 states and 3584 transitions. Word has length 36 [2022-11-22 01:22:46,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:22:46,998 INFO L495 AbstractCegarLoop]: Abstraction has 1659 states and 3584 transitions. [2022-11-22 01:22:46,999 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.6) internal successors, (36), 10 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:22:46,999 INFO L276 IsEmpty]: Start isEmpty. Operand 1659 states and 3584 transitions. [2022-11-22 01:22:47,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-22 01:22:47,000 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:22:47,001 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:22:47,001 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-11-22 01:22:47,001 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-11-22 01:22:47,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:22:47,001 INFO L85 PathProgramCache]: Analyzing trace with hash 644467555, now seen corresponding path program 2 times [2022-11-22 01:22:47,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:22:47,001 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396356569] [2022-11-22 01:22:47,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:22:47,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:22:47,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat