./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/09-regions_05-ptra_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d8b72e5-b2d4-4b4f-ba6c-4f4ee1ca759a/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d8b72e5-b2d4-4b4f-ba6c-4f4ee1ca759a/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d8b72e5-b2d4-4b4f-ba6c-4f4ee1ca759a/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d8b72e5-b2d4-4b4f-ba6c-4f4ee1ca759a/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_05-ptra_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d8b72e5-b2d4-4b4f-ba6c-4f4ee1ca759a/bin/utaipan-Q6hlc19bkW/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d8b72e5-b2d4-4b4f-ba6c-4f4ee1ca759a/bin/utaipan-Q6hlc19bkW --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5d221fe111612a5fd289edcbc5a129acf7ca50098e249efcc8da191d610ed6fb --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 15:39:34,344 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 15:39:34,345 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 15:39:34,369 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 15:39:34,372 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 15:39:34,376 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 15:39:34,379 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 15:39:34,382 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 15:39:34,384 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 15:39:34,390 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 15:39:34,392 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 15:39:34,393 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 15:39:34,394 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 15:39:34,399 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 15:39:34,400 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 15:39:34,403 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 15:39:34,405 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 15:39:34,406 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 15:39:34,407 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 15:39:34,414 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 15:39:34,415 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 15:39:34,418 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 15:39:34,419 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 15:39:34,420 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 15:39:34,429 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 15:39:34,430 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 15:39:34,431 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 15:39:34,432 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 15:39:34,433 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 15:39:34,434 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 15:39:34,435 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 15:39:34,436 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 15:39:34,438 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 15:39:34,439 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 15:39:34,442 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 15:39:34,442 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 15:39:34,443 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 15:39:34,443 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 15:39:34,444 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 15:39:34,445 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 15:39:34,446 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 15:39:34,447 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d8b72e5-b2d4-4b4f-ba6c-4f4ee1ca759a/bin/utaipan-Q6hlc19bkW/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-23 15:39:34,492 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 15:39:34,493 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 15:39:34,494 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 15:39:34,494 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 15:39:34,495 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 15:39:34,495 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 15:39:34,496 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 15:39:34,496 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 15:39:34,496 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 15:39:34,497 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 15:39:34,498 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 15:39:34,498 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 15:39:34,498 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 15:39:34,499 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 15:39:34,499 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 15:39:34,499 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 15:39:34,500 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 15:39:34,500 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 15:39:34,501 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 15:39:34,501 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 15:39:34,501 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 15:39:34,502 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 15:39:34,502 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 15:39:34,502 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 15:39:34,503 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 15:39:34,503 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 15:39:34,503 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 15:39:34,503 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-23 15:39:34,504 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 15:39:34,504 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 15:39:34,504 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 15:39:34,505 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 15:39:34,505 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 15:39:34,505 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 15:39:34,506 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:39:34,506 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 15:39:34,506 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 15:39:34,507 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 15:39:34,507 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 15:39:34,507 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 15:39:34,508 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 15:39:34,508 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 15:39:34,508 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 15:39:34,514 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_2d8b72e5-b2d4-4b4f-ba6c-4f4ee1ca759a/bin/utaipan-Q6hlc19bkW/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d8b72e5-b2d4-4b4f-ba6c-4f4ee1ca759a/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5d221fe111612a5fd289edcbc5a129acf7ca50098e249efcc8da191d610ed6fb [2022-11-23 15:39:34,814 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 15:39:34,848 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 15:39:34,850 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 15:39:34,852 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 15:39:34,852 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 15:39:34,853 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d8b72e5-b2d4-4b4f-ba6c-4f4ee1ca759a/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/goblint-regression/09-regions_05-ptra_rc.i [2022-11-23 15:39:37,931 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 15:39:38,259 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 15:39:38,260 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d8b72e5-b2d4-4b4f-ba6c-4f4ee1ca759a/sv-benchmarks/c/goblint-regression/09-regions_05-ptra_rc.i [2022-11-23 15:39:38,282 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d8b72e5-b2d4-4b4f-ba6c-4f4ee1ca759a/bin/utaipan-Q6hlc19bkW/data/bafbd4bc5/d88f23f5b37a4ed28fc146bfc5af795d/FLAG588900c3b [2022-11-23 15:39:38,301 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d8b72e5-b2d4-4b4f-ba6c-4f4ee1ca759a/bin/utaipan-Q6hlc19bkW/data/bafbd4bc5/d88f23f5b37a4ed28fc146bfc5af795d [2022-11-23 15:39:38,305 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 15:39:38,308 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 15:39:38,311 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 15:39:38,311 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 15:39:38,316 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 15:39:38,317 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:39:38" (1/1) ... [2022-11-23 15:39:38,318 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15f3da79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:38, skipping insertion in model container [2022-11-23 15:39:38,319 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:39:38" (1/1) ... [2022-11-23 15:39:38,326 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 15:39:38,388 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 15:39:39,037 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:39:39,052 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 15:39:39,127 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:39:39,209 INFO L208 MainTranslator]: Completed translation [2022-11-23 15:39:39,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:39 WrapperNode [2022-11-23 15:39:39,211 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 15:39:39,213 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 15:39:39,213 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 15:39:39,213 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 15:39:39,221 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:39" (1/1) ... [2022-11-23 15:39:39,272 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:39" (1/1) ... [2022-11-23 15:39:39,318 INFO L138 Inliner]: procedures = 369, calls = 37, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 207 [2022-11-23 15:39:39,318 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 15:39:39,319 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 15:39:39,319 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 15:39:39,319 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 15:39:39,333 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:39" (1/1) ... [2022-11-23 15:39:39,333 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:39" (1/1) ... [2022-11-23 15:39:39,352 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:39" (1/1) ... [2022-11-23 15:39:39,355 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:39" (1/1) ... [2022-11-23 15:39:39,387 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:39" (1/1) ... [2022-11-23 15:39:39,392 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:39" (1/1) ... [2022-11-23 15:39:39,394 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:39" (1/1) ... [2022-11-23 15:39:39,396 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:39" (1/1) ... [2022-11-23 15:39:39,399 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 15:39:39,400 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 15:39:39,400 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 15:39:39,400 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 15:39:39,401 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:39" (1/1) ... [2022-11-23 15:39:39,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:39:39,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d8b72e5-b2d4-4b4f-ba6c-4f4ee1ca759a/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:39:39,444 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d8b72e5-b2d4-4b4f-ba6c-4f4ee1ca759a/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 15:39:39,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d8b72e5-b2d4-4b4f-ba6c-4f4ee1ca759a/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 15:39:39,495 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 15:39:39,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 15:39:39,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 15:39:39,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 15:39:39,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 15:39:39,496 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-23 15:39:39,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 15:39:39,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 15:39:39,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 15:39:39,496 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-23 15:39:39,496 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-23 15:39:39,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 15:39:39,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 15:39:39,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 15:39:39,498 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-23 15:39:39,658 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 15:39:39,660 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 15:39:40,287 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 15:39:40,297 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 15:39:40,298 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 15:39:40,300 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:39:40 BoogieIcfgContainer [2022-11-23 15:39:40,300 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 15:39:40,303 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 15:39:40,303 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 15:39:40,307 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 15:39:40,307 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:39:38" (1/3) ... [2022-11-23 15:39:40,308 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cb0a922 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:39:40, skipping insertion in model container [2022-11-23 15:39:40,308 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:39" (2/3) ... [2022-11-23 15:39:40,308 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cb0a922 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:39:40, skipping insertion in model container [2022-11-23 15:39:40,309 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:39:40" (3/3) ... [2022-11-23 15:39:40,310 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_05-ptra_rc.i [2022-11-23 15:39:40,322 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-23 15:39:40,334 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 15:39:40,334 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2022-11-23 15:39:40,335 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-23 15:39:40,454 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-23 15:39:40,497 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-23 15:39:40,514 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 249 places, 245 transitions, 495 flow [2022-11-23 15:39:40,517 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 249 places, 245 transitions, 495 flow [2022-11-23 15:39:40,520 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 249 places, 245 transitions, 495 flow [2022-11-23 15:39:40,651 INFO L130 PetriNetUnfolder]: 0/244 cut-off events. [2022-11-23 15:39:40,651 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-23 15:39:40,655 INFO L83 FinitePrefix]: Finished finitePrefix Result has 248 conditions, 244 events. 0/244 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 92 event pairs, 0 based on Foata normal form. 0/222 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2022-11-23 15:39:40,659 INFO L119 LiptonReduction]: Number of co-enabled transitions 4760 [2022-11-23 15:40:41,350 WARN L233 SmtUtils]: Spent 15.51s on a formula simplification. DAG size of input: 162 DAG size of output: 155 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 15:40:53,534 WARN L233 SmtUtils]: Spent 12.18s on a formula simplification that was a NOOP. DAG size: 147 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 15:41:08,485 WARN L233 SmtUtils]: Spent 14.95s on a formula simplification. DAG size of input: 162 DAG size of output: 155 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 15:41:18,589 WARN L233 SmtUtils]: Spent 10.10s on a formula simplification that was a NOOP. DAG size: 147 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 15:42:01,404 WARN L233 SmtUtils]: Spent 37.91s on a formula simplification that was a NOOP. DAG size: 224 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 15:42:19,079 WARN L233 SmtUtils]: Spent 17.67s on a formula simplification that was a NOOP. DAG size: 189 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 15:42:48,320 WARN L233 SmtUtils]: Spent 29.24s on a formula simplification that was a NOOP. DAG size: 224 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 15:42:58,752 WARN L233 SmtUtils]: Spent 10.43s on a formula simplification that was a NOOP. DAG size: 189 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 15:44:23,040 WARN L233 SmtUtils]: Spent 1.40m on a formula simplification that was a NOOP. DAG size: 335 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 15:45:04,858 WARN L233 SmtUtils]: Spent 41.81s on a formula simplification that was a NOOP. DAG size: 305 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 15:46:13,253 WARN L233 SmtUtils]: Spent 1.14m on a formula simplification that was a NOOP. DAG size: 335 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 15:47:06,770 WARN L233 SmtUtils]: Spent 53.51s on a formula simplification that was a NOOP. DAG size: 305 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 15:47:07,114 INFO L134 LiptonReduction]: Checked pairs total: 61094 [2022-11-23 15:47:07,115 INFO L136 LiptonReduction]: Total number of compositions: 272 [2022-11-23 15:47:07,124 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 76 places, 72 transitions, 149 flow [2022-11-23 15:47:07,195 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 768 states, 725 states have (on average 2.017931034482759) internal successors, (1463), 767 states have internal predecessors, (1463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:47:07,214 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 15:47:07,225 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;@281ec135, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 15:47:07,225 INFO L358 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2022-11-23 15:47:07,230 INFO L276 IsEmpty]: Start isEmpty. Operand has 768 states, 725 states have (on average 2.017931034482759) internal successors, (1463), 767 states have internal predecessors, (1463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:47:07,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-11-23 15:47:07,235 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:47:07,236 INFO L195 NwaCegarLoop]: trace histogram [1] [2022-11-23 15:47:07,237 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-23 15:47:07,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:47:07,245 INFO L85 PathProgramCache]: Analyzing trace with hash 840, now seen corresponding path program 1 times [2022-11-23 15:47:07,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:47:07,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798914704] [2022-11-23 15:47:07,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:47:07,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:47:07,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:47:07,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:47:07,372 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:47:07,372 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798914704] [2022-11-23 15:47:07,373 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1798914704] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:47:07,373 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:47:07,373 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-11-23 15:47:07,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590301140] [2022-11-23 15:47:07,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:47:07,380 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-23 15:47:07,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:47:07,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-23 15:47:07,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 15:47:07,407 INFO L87 Difference]: Start difference. First operand has 768 states, 725 states have (on average 2.017931034482759) internal successors, (1463), 767 states have internal predecessors, (1463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:47:07,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:47:07,801 INFO L93 Difference]: Finished difference Result 680 states and 1302 transitions. [2022-11-23 15:47:07,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 15:47:07,804 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1 [2022-11-23 15:47:07,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:47:07,820 INFO L225 Difference]: With dead ends: 680 [2022-11-23 15:47:07,821 INFO L226 Difference]: Without dead ends: 680 [2022-11-23 15:47:07,828 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 15:47:07,831 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-23 15:47:07,832 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 33 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-23 15:47:07,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 680 states. [2022-11-23 15:47:07,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 680 to 680. [2022-11-23 15:47:07,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 680 states, 663 states have (on average 1.9638009049773755) internal successors, (1302), 679 states have internal predecessors, (1302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:47:07,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 680 states and 1302 transitions. [2022-11-23 15:47:07,928 INFO L78 Accepts]: Start accepts. Automaton has 680 states and 1302 transitions. Word has length 1 [2022-11-23 15:47:07,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:47:07,928 INFO L495 AbstractCegarLoop]: Abstraction has 680 states and 1302 transitions. [2022-11-23 15:47:07,930 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:47:07,932 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 1302 transitions. [2022-11-23 15:47:07,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-23 15:47:07,936 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:47:07,936 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:47:07,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 15:47:07,937 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-23 15:47:07,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:47:07,938 INFO L85 PathProgramCache]: Analyzing trace with hash 808546313, now seen corresponding path program 1 times [2022-11-23 15:47:07,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:47:07,938 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621311071] [2022-11-23 15:47:07,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:47:07,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:47:08,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:47:08,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:47:08,985 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:47:08,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621311071] [2022-11-23 15:47:08,986 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [621311071] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:47:08,986 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:47:08,986 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 15:47:08,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84333650] [2022-11-23 15:47:08,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:47:08,988 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 15:47:08,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:47:08,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 15:47:08,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-23 15:47:08,990 INFO L87 Difference]: Start difference. First operand 680 states and 1302 transitions. Second operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:47:10,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:47:10,414 INFO L93 Difference]: Finished difference Result 737 states and 1412 transitions. [2022-11-23 15:47:10,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 15:47:10,414 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-11-23 15:47:10,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:47:10,419 INFO L225 Difference]: With dead ends: 737 [2022-11-23 15:47:10,420 INFO L226 Difference]: Without dead ends: 737 [2022-11-23 15:47:10,420 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-23 15:47:10,421 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 36 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 297 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-23 15:47:10,422 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 40 Invalid, 301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 297 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-23 15:47:10,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 737 states. [2022-11-23 15:47:10,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 737 to 737. [2022-11-23 15:47:10,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 737 states, 720 states have (on average 1.961111111111111) internal successors, (1412), 736 states have internal predecessors, (1412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:47:10,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 737 states and 1412 transitions. [2022-11-23 15:47:10,483 INFO L78 Accepts]: Start accepts. Automaton has 737 states and 1412 transitions. Word has length 9 [2022-11-23 15:47:10,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:47:10,483 INFO L495 AbstractCegarLoop]: Abstraction has 737 states and 1412 transitions. [2022-11-23 15:47:10,483 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:47:10,484 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 1412 transitions. [2022-11-23 15:47:10,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-23 15:47:10,484 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:47:10,485 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:47:10,485 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 15:47:10,485 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-23 15:47:10,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:47:10,486 INFO L85 PathProgramCache]: Analyzing trace with hash 268314491, now seen corresponding path program 1 times [2022-11-23 15:47:10,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:47:10,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277605390] [2022-11-23 15:47:10,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:47:10,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:47:10,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:47:10,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:47:10,955 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:47:10,955 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277605390] [2022-11-23 15:47:10,956 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277605390] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:47:10,956 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:47:10,956 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 15:47:10,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707599171] [2022-11-23 15:47:10,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:47:10,957 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 15:47:10,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:47:10,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 15:47:10,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-23 15:47:10,958 INFO L87 Difference]: Start difference. First operand 737 states and 1412 transitions. Second operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:47:12,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:47:12,245 INFO L93 Difference]: Finished difference Result 1270 states and 2420 transitions. [2022-11-23 15:47:12,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 15:47:12,246 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-11-23 15:47:12,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:47:12,253 INFO L225 Difference]: With dead ends: 1270 [2022-11-23 15:47:12,254 INFO L226 Difference]: Without dead ends: 1270 [2022-11-23 15:47:12,254 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-23 15:47:12,255 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 105 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 406 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 406 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-23 15:47:12,256 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 27 Invalid, 470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 406 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-23 15:47:12,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1270 states. [2022-11-23 15:47:12,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1270 to 842. [2022-11-23 15:47:12,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 842 states, 828 states have (on average 1.958937198067633) internal successors, (1622), 841 states have internal predecessors, (1622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:47:12,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 842 states to 842 states and 1622 transitions. [2022-11-23 15:47:12,289 INFO L78 Accepts]: Start accepts. Automaton has 842 states and 1622 transitions. Word has length 9 [2022-11-23 15:47:12,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:47:12,290 INFO L495 AbstractCegarLoop]: Abstraction has 842 states and 1622 transitions. [2022-11-23 15:47:12,290 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:47:12,290 INFO L276 IsEmpty]: Start isEmpty. Operand 842 states and 1622 transitions. [2022-11-23 15:47:12,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-23 15:47:12,291 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:47:12,291 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:47:12,292 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 15:47:12,292 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-23 15:47:12,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:47:12,293 INFO L85 PathProgramCache]: Analyzing trace with hash 1095713088, now seen corresponding path program 1 times [2022-11-23 15:47:12,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:47:12,293 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878559355] [2022-11-23 15:47:12,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:47:12,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:47:12,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:47:13,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:47:13,027 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:47:13,027 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878559355] [2022-11-23 15:47:13,028 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878559355] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:47:13,028 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:47:13,028 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-23 15:47:13,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326040355] [2022-11-23 15:47:13,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:47:13,029 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-23 15:47:13,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:47:13,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-23 15:47:13,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-11-23 15:47:13,031 INFO L87 Difference]: Start difference. First operand 842 states and 1622 transitions. Second operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 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) [2022-11-23 15:47:15,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:47:15,194 INFO L93 Difference]: Finished difference Result 844 states and 1626 transitions. [2022-11-23 15:47:15,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-23 15:47:15,195 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 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 [2022-11-23 15:47:15,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:47:15,199 INFO L225 Difference]: With dead ends: 844 [2022-11-23 15:47:15,199 INFO L226 Difference]: Without dead ends: 844 [2022-11-23 15:47:15,199 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 [2022-11-23 15:47:15,201 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 151 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 463 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 472 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 463 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:47:15,201 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 38 Invalid, 472 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 463 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-11-23 15:47:15,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 844 states. [2022-11-23 15:47:15,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 844 to 841. [2022-11-23 15:47:15,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 841 states, 827 states have (on average 1.958887545344619) internal successors, (1620), 840 states have internal predecessors, (1620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:47:15,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 841 states to 841 states and 1620 transitions. [2022-11-23 15:47:15,227 INFO L78 Accepts]: Start accepts. Automaton has 841 states and 1620 transitions. Word has length 12 [2022-11-23 15:47:15,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:47:15,228 INFO L495 AbstractCegarLoop]: Abstraction has 841 states and 1620 transitions. [2022-11-23 15:47:15,228 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 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) [2022-11-23 15:47:15,228 INFO L276 IsEmpty]: Start isEmpty. Operand 841 states and 1620 transitions. [2022-11-23 15:47:15,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-23 15:47:15,229 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:47:15,230 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:47:15,230 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 15:47:15,230 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-23 15:47:15,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:47:15,231 INFO L85 PathProgramCache]: Analyzing trace with hash 1136824668, now seen corresponding path program 2 times [2022-11-23 15:47:15,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:47:15,231 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208409838] [2022-11-23 15:47:15,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:47:15,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:47:15,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:47:16,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:47:16,078 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:47:16,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208409838] [2022-11-23 15:47:16,078 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208409838] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:47:16,078 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:47:16,078 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-23 15:47:16,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011854156] [2022-11-23 15:47:16,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:47:16,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-23 15:47:16,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:47:16,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-23 15:47:16,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-11-23 15:47:16,080 INFO L87 Difference]: Start difference. First operand 841 states and 1620 transitions. Second operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 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) [2022-11-23 15:47:18,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:47:18,132 INFO L93 Difference]: Finished difference Result 830 states and 1598 transitions. [2022-11-23 15:47:18,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-23 15:47:18,133 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 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 [2022-11-23 15:47:18,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:47:18,137 INFO L225 Difference]: With dead ends: 830 [2022-11-23 15:47:18,137 INFO L226 Difference]: Without dead ends: 830 [2022-11-23 15:47:18,137 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=117, Unknown=0, NotChecked=0, Total=182 [2022-11-23 15:47:18,138 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 157 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 519 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 519 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-23 15:47:18,139 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 41 Invalid, 546 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 519 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-23 15:47:18,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 830 states. [2022-11-23 15:47:18,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 830 to 804. [2022-11-23 15:47:18,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 804 states, 791 states have (on average 1.95448798988622) internal successors, (1546), 803 states have internal predecessors, (1546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:47:18,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 804 states and 1546 transitions. [2022-11-23 15:47:18,164 INFO L78 Accepts]: Start accepts. Automaton has 804 states and 1546 transitions. Word has length 12 [2022-11-23 15:47:18,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:47:18,164 INFO L495 AbstractCegarLoop]: Abstraction has 804 states and 1546 transitions. [2022-11-23 15:47:18,164 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 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) [2022-11-23 15:47:18,165 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 1546 transitions. [2022-11-23 15:47:18,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-23 15:47:18,166 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:47:18,166 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:47:18,166 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-23 15:47:18,166 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-23 15:47:18,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:47:18,167 INFO L85 PathProgramCache]: Analyzing trace with hash -1675638946, now seen corresponding path program 1 times [2022-11-23 15:47:18,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:47:18,167 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926829945] [2022-11-23 15:47:18,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:47:18,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:47:18,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:47:18,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:47:18,849 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:47:18,850 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926829945] [2022-11-23 15:47:18,850 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [926829945] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:47:18,850 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:47:18,850 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-23 15:47:18,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688071134] [2022-11-23 15:47:18,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:47:18,851 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-23 15:47:18,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:47:18,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-23 15:47:18,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-11-23 15:47:18,852 INFO L87 Difference]: Start difference. First operand 804 states and 1546 transitions. Second operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 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) [2022-11-23 15:47:21,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:47:21,539 INFO L93 Difference]: Finished difference Result 1227 states and 2334 transitions. [2022-11-23 15:47:21,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-23 15:47:21,540 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 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 [2022-11-23 15:47:21,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:47:21,546 INFO L225 Difference]: With dead ends: 1227 [2022-11-23 15:47:21,546 INFO L226 Difference]: Without dead ends: 1227 [2022-11-23 15:47:21,546 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=76, Unknown=0, NotChecked=0, Total=132 [2022-11-23 15:47:21,547 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 215 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 668 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 215 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 733 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 668 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-11-23 15:47:21,548 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [215 Valid, 17 Invalid, 733 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 668 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-11-23 15:47:21,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1227 states. [2022-11-23 15:47:21,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1227 to 803. [2022-11-23 15:47:21,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 803 states, 790 states have (on average 1.9544303797468354) internal successors, (1544), 802 states have internal predecessors, (1544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:47:21,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 803 states and 1544 transitions. [2022-11-23 15:47:21,578 INFO L78 Accepts]: Start accepts. Automaton has 803 states and 1544 transitions. Word has length 12 [2022-11-23 15:47:21,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:47:21,578 INFO L495 AbstractCegarLoop]: Abstraction has 803 states and 1544 transitions. [2022-11-23 15:47:21,578 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 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) [2022-11-23 15:47:21,579 INFO L276 IsEmpty]: Start isEmpty. Operand 803 states and 1544 transitions. [2022-11-23 15:47:21,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-23 15:47:21,580 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:47:21,580 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:47:21,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-23 15:47:21,580 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-23 15:47:21,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:47:21,581 INFO L85 PathProgramCache]: Analyzing trace with hash -1887452956, now seen corresponding path program 2 times [2022-11-23 15:47:21,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:47:21,581 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173670109] [2022-11-23 15:47:21,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:47:21,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:47:21,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:47:22,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:47:22,341 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:47:22,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173670109] [2022-11-23 15:47:22,342 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1173670109] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:47:22,342 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:47:22,342 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-23 15:47:22,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880706966] [2022-11-23 15:47:22,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:47:22,343 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-23 15:47:22,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:47:22,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-23 15:47:22,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-11-23 15:47:22,343 INFO L87 Difference]: Start difference. First operand 803 states and 1544 transitions. Second operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 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) [2022-11-23 15:47:24,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:47:24,472 INFO L93 Difference]: Finished difference Result 1241 states and 2362 transitions. [2022-11-23 15:47:24,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-23 15:47:24,473 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 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 [2022-11-23 15:47:24,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:47:24,479 INFO L225 Difference]: With dead ends: 1241 [2022-11-23 15:47:24,479 INFO L226 Difference]: Without dead ends: 1241 [2022-11-23 15:47:24,479 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2022-11-23 15:47:24,480 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 259 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 511 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 259 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 613 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 511 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-23 15:47:24,480 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [259 Valid, 15 Invalid, 613 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 511 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-23 15:47:24,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1241 states. [2022-11-23 15:47:24,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1241 to 807. [2022-11-23 15:47:24,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 807 states, 794 states have (on average 1.9546599496221662) internal successors, (1552), 806 states have internal predecessors, (1552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:47:24,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 807 states and 1552 transitions. [2022-11-23 15:47:24,510 INFO L78 Accepts]: Start accepts. Automaton has 807 states and 1552 transitions. Word has length 12 [2022-11-23 15:47:24,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:47:24,511 INFO L495 AbstractCegarLoop]: Abstraction has 807 states and 1552 transitions. [2022-11-23 15:47:24,512 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 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) [2022-11-23 15:47:24,512 INFO L276 IsEmpty]: Start isEmpty. Operand 807 states and 1552 transitions. [2022-11-23 15:47:24,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-23 15:47:24,513 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:47:24,518 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:47:24,518 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-23 15:47:24,519 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-23 15:47:24,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:47:24,520 INFO L85 PathProgramCache]: Analyzing trace with hash -1898547856, now seen corresponding path program 3 times [2022-11-23 15:47:24,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:47:24,520 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432496649] [2022-11-23 15:47:24,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:47:24,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:47:24,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:47:25,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:47:25,594 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:47:25,594 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432496649] [2022-11-23 15:47:25,595 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432496649] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:47:25,595 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:47:25,595 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-23 15:47:25,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658182523] [2022-11-23 15:47:25,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:47:25,596 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-23 15:47:25,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:47:25,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-23 15:47:25,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-11-23 15:47:25,596 INFO L87 Difference]: Start difference. First operand 807 states and 1552 transitions. Second operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 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) [2022-11-23 15:47:28,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:47:28,050 INFO L93 Difference]: Finished difference Result 1227 states and 2335 transitions. [2022-11-23 15:47:28,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-23 15:47:28,051 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 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 [2022-11-23 15:47:28,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:47:28,056 INFO L225 Difference]: With dead ends: 1227 [2022-11-23 15:47:28,056 INFO L226 Difference]: Without dead ends: 1227 [2022-11-23 15:47:28,057 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2022-11-23 15:47:28,057 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 236 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 578 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 672 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 578 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-23 15:47:28,059 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 17 Invalid, 672 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 578 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-23 15:47:28,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1227 states. [2022-11-23 15:47:28,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1227 to 811. [2022-11-23 15:47:28,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 811 states, 798 states have (on average 1.9548872180451127) internal successors, (1560), 810 states have internal predecessors, (1560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:47:28,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 1560 transitions. [2022-11-23 15:47:28,091 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 1560 transitions. Word has length 12 [2022-11-23 15:47:28,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:47:28,091 INFO L495 AbstractCegarLoop]: Abstraction has 811 states and 1560 transitions. [2022-11-23 15:47:28,092 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 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) [2022-11-23 15:47:28,092 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 1560 transitions. [2022-11-23 15:47:28,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-23 15:47:28,094 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:47:28,094 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:47:28,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-23 15:47:28,097 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-23 15:47:28,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:47:28,097 INFO L85 PathProgramCache]: Analyzing trace with hash 1249353096, now seen corresponding path program 4 times [2022-11-23 15:47:28,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:47:28,097 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381365959] [2022-11-23 15:47:28,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:47:28,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:47:28,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:47:28,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:47:28,856 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:47:28,856 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381365959] [2022-11-23 15:47:28,856 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1381365959] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:47:28,856 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:47:28,856 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-23 15:47:28,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765281592] [2022-11-23 15:47:28,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:47:28,857 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-23 15:47:28,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:47:28,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-23 15:47:28,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-23 15:47:28,858 INFO L87 Difference]: Start difference. First operand 811 states and 1560 transitions. Second operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 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) [2022-11-23 15:47:31,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:47:31,499 INFO L93 Difference]: Finished difference Result 1565 states and 2985 transitions. [2022-11-23 15:47:31,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-23 15:47:31,508 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 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 [2022-11-23 15:47:31,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:47:31,516 INFO L225 Difference]: With dead ends: 1565 [2022-11-23 15:47:31,517 INFO L226 Difference]: Without dead ends: 1565 [2022-11-23 15:47:31,517 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=91, Invalid=181, Unknown=0, NotChecked=0, Total=272 [2022-11-23 15:47:31,518 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 218 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 1070 mSolverCounterSat, 191 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 1261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 191 IncrementalHoareTripleChecker+Valid, 1070 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-23 15:47:31,519 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 38 Invalid, 1261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [191 Valid, 1070 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-11-23 15:47:31,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1565 states. [2022-11-23 15:47:31,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1565 to 843. [2022-11-23 15:47:31,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 843 states, 830 states have (on average 1.9566265060240964) internal successors, (1624), 842 states have internal predecessors, (1624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:47:31,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 843 states to 843 states and 1624 transitions. [2022-11-23 15:47:31,550 INFO L78 Accepts]: Start accepts. Automaton has 843 states and 1624 transitions. Word has length 12 [2022-11-23 15:47:31,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:47:31,551 INFO L495 AbstractCegarLoop]: Abstraction has 843 states and 1624 transitions. [2022-11-23 15:47:31,551 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 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) [2022-11-23 15:47:31,551 INFO L276 IsEmpty]: Start isEmpty. Operand 843 states and 1624 transitions. [2022-11-23 15:47:31,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-23 15:47:31,552 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:47:31,552 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:47:31,552 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-23 15:47:31,553 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-23 15:47:31,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:47:31,553 INFO L85 PathProgramCache]: Analyzing trace with hash -496084896, now seen corresponding path program 1 times [2022-11-23 15:47:31,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:47:31,554 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151313399] [2022-11-23 15:47:31,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:47:31,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:47:31,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:47:32,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:47:32,358 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:47:32,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151313399] [2022-11-23 15:47:32,359 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1151313399] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:47:32,359 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:47:32,359 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-23 15:47:32,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3570050] [2022-11-23 15:47:32,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:47:32,360 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-23 15:47:32,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:47:32,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-23 15:47:32,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-11-23 15:47:32,361 INFO L87 Difference]: Start difference. First operand 843 states and 1624 transitions. Second operand has 9 states, 8 states have (on average 1.625) internal successors, (13), 8 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:47:34,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:47:34,451 INFO L93 Difference]: Finished difference Result 1212 states and 2311 transitions. [2022-11-23 15:47:34,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-23 15:47:34,454 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 1.625) internal successors, (13), 8 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-23 15:47:34,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:47:34,459 INFO L225 Difference]: With dead ends: 1212 [2022-11-23 15:47:34,459 INFO L226 Difference]: Without dead ends: 1212 [2022-11-23 15:47:34,459 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2022-11-23 15:47:34,460 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 225 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 638 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 225 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 736 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 638 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-23 15:47:34,460 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [225 Valid, 18 Invalid, 736 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 638 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-23 15:47:34,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1212 states. [2022-11-23 15:47:34,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1212 to 818. [2022-11-23 15:47:34,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 818 states, 805 states have (on average 1.95527950310559) internal successors, (1574), 817 states have internal predecessors, (1574), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:47:34,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 818 states and 1574 transitions. [2022-11-23 15:47:34,487 INFO L78 Accepts]: Start accepts. Automaton has 818 states and 1574 transitions. Word has length 13 [2022-11-23 15:47:34,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:47:34,488 INFO L495 AbstractCegarLoop]: Abstraction has 818 states and 1574 transitions. [2022-11-23 15:47:34,488 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 1.625) internal successors, (13), 8 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:47:34,488 INFO L276 IsEmpty]: Start isEmpty. Operand 818 states and 1574 transitions. [2022-11-23 15:47:34,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-23 15:47:34,489 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:47:34,489 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:47:34,489 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-23 15:47:34,490 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-23 15:47:34,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:47:34,490 INFO L85 PathProgramCache]: Analyzing trace with hash -1063095496, now seen corresponding path program 1 times [2022-11-23 15:47:34,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:47:34,491 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727257662] [2022-11-23 15:47:34,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:47:34,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:47:34,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:47:34,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:47:34,865 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:47:34,865 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727257662] [2022-11-23 15:47:34,866 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [727257662] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:47:34,866 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:47:34,866 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 15:47:34,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618973270] [2022-11-23 15:47:34,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:47:34,867 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 15:47:34,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:47:34,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 15:47:34,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-23 15:47:34,869 INFO L87 Difference]: Start difference. First operand 818 states and 1574 transitions. Second operand has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 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) [2022-11-23 15:47:35,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:47:35,940 INFO L93 Difference]: Finished difference Result 887 states and 1708 transitions. [2022-11-23 15:47:35,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 15:47:35,941 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 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 [2022-11-23 15:47:35,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:47:35,945 INFO L225 Difference]: With dead ends: 887 [2022-11-23 15:47:35,945 INFO L226 Difference]: Without dead ends: 887 [2022-11-23 15:47:35,945 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-23 15:47:35,946 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 36 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 285 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:47:35,946 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 38 Invalid, 289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 285 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-23 15:47:35,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 887 states. [2022-11-23 15:47:35,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 887 to 887. [2022-11-23 15:47:35,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 887 states, 874 states have (on average 1.954233409610984) internal successors, (1708), 886 states have internal predecessors, (1708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:47:35,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 887 states and 1708 transitions. [2022-11-23 15:47:35,982 INFO L78 Accepts]: Start accepts. Automaton has 887 states and 1708 transitions. Word has length 15 [2022-11-23 15:47:35,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:47:35,982 INFO L495 AbstractCegarLoop]: Abstraction has 887 states and 1708 transitions. [2022-11-23 15:47:35,983 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 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) [2022-11-23 15:47:35,983 INFO L276 IsEmpty]: Start isEmpty. Operand 887 states and 1708 transitions. [2022-11-23 15:47:35,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-23 15:47:35,984 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:47:35,984 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:47:35,984 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-23 15:47:35,985 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-23 15:47:35,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:47:35,985 INFO L85 PathProgramCache]: Analyzing trace with hash -657929368, now seen corresponding path program 1 times [2022-11-23 15:47:35,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:47:35,986 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89803541] [2022-11-23 15:47:35,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:47:35,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:47:36,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:47:36,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:47:36,327 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:47:36,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89803541] [2022-11-23 15:47:36,327 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [89803541] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:47:36,327 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:47:36,327 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 15:47:36,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271862646] [2022-11-23 15:47:36,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:47:36,328 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 15:47:36,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:47:36,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 15:47:36,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-23 15:47:36,329 INFO L87 Difference]: Start difference. First operand 887 states and 1708 transitions. Second operand has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 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) [2022-11-23 15:47:37,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:47:37,502 INFO L93 Difference]: Finished difference Result 1132 states and 2151 transitions. [2022-11-23 15:47:37,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 15:47:37,503 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 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 [2022-11-23 15:47:37,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:47:37,508 INFO L225 Difference]: With dead ends: 1132 [2022-11-23 15:47:37,508 INFO L226 Difference]: Without dead ends: 1106 [2022-11-23 15:47:37,509 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-23 15:47:37,510 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 76 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 348 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 348 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-23 15:47:37,510 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 31 Invalid, 374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 348 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-23 15:47:37,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1106 states. [2022-11-23 15:47:37,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1106 to 992. [2022-11-23 15:47:37,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 992 states, 979 states have (on average 1.9530132788559755) internal successors, (1912), 991 states have internal predecessors, (1912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:47:37,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 992 states to 992 states and 1912 transitions. [2022-11-23 15:47:37,539 INFO L78 Accepts]: Start accepts. Automaton has 992 states and 1912 transitions. Word has length 15 [2022-11-23 15:47:37,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:47:37,542 INFO L495 AbstractCegarLoop]: Abstraction has 992 states and 1912 transitions. [2022-11-23 15:47:37,542 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 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) [2022-11-23 15:47:37,542 INFO L276 IsEmpty]: Start isEmpty. Operand 992 states and 1912 transitions. [2022-11-23 15:47:37,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-23 15:47:37,543 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:47:37,543 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:47:37,543 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-23 15:47:37,544 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-23 15:47:37,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:47:37,544 INFO L85 PathProgramCache]: Analyzing trace with hash 913733976, now seen corresponding path program 1 times [2022-11-23 15:47:37,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:47:37,545 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453967376] [2022-11-23 15:47:37,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:47:37,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:47:37,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:47:38,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:47:38,672 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:47:38,672 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453967376] [2022-11-23 15:47:38,673 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [453967376] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:47:38,673 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:47:38,673 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-23 15:47:38,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839067000] [2022-11-23 15:47:38,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:47:38,673 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-23 15:47:38,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:47:38,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-23 15:47:38,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2022-11-23 15:47:38,674 INFO L87 Difference]: Start difference. First operand 992 states and 1912 transitions. Second operand has 11 states, 10 states have (on average 1.8) internal successors, (18), 10 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) [2022-11-23 15:47:42,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:47:42,122 INFO L93 Difference]: Finished difference Result 1405 states and 2705 transitions. [2022-11-23 15:47:42,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-23 15:47:42,122 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.8) internal successors, (18), 10 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 [2022-11-23 15:47:42,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:47:42,127 INFO L225 Difference]: With dead ends: 1405 [2022-11-23 15:47:42,127 INFO L226 Difference]: Without dead ends: 1405 [2022-11-23 15:47:42,128 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=205, Invalid=497, Unknown=0, NotChecked=0, Total=702 [2022-11-23 15:47:42,129 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 154 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 959 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 1043 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 959 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-11-23 15:47:42,129 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 81 Invalid, 1043 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 959 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-11-23 15:47:42,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1405 states. [2022-11-23 15:47:42,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1405 to 1045. [2022-11-23 15:47:42,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1045 states, 1032 states have (on average 1.9554263565891472) internal successors, (2018), 1044 states have internal predecessors, (2018), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:47:42,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1045 states to 1045 states and 2018 transitions. [2022-11-23 15:47:42,160 INFO L78 Accepts]: Start accepts. Automaton has 1045 states and 2018 transitions. Word has length 18 [2022-11-23 15:47:42,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:47:42,160 INFO L495 AbstractCegarLoop]: Abstraction has 1045 states and 2018 transitions. [2022-11-23 15:47:42,160 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.8) internal successors, (18), 10 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) [2022-11-23 15:47:42,160 INFO L276 IsEmpty]: Start isEmpty. Operand 1045 states and 2018 transitions. [2022-11-23 15:47:42,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-23 15:47:42,161 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:47:42,162 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:47:42,162 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-23 15:47:42,162 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-23 15:47:42,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:47:42,163 INFO L85 PathProgramCache]: Analyzing trace with hash -914817069, now seen corresponding path program 1 times [2022-11-23 15:47:42,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:47:42,163 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040377293] [2022-11-23 15:47:42,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:47:42,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:47:42,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:47:42,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:47:42,903 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:47:42,903 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040377293] [2022-11-23 15:47:42,903 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040377293] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:47:42,904 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:47:42,904 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-23 15:47:42,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132469576] [2022-11-23 15:47:42,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:47:42,904 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-23 15:47:42,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:47:42,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-23 15:47:42,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-11-23 15:47:42,905 INFO L87 Difference]: Start difference. First operand 1045 states and 2018 transitions. Second operand has 9 states, 8 states have (on average 2.25) internal successors, (18), 8 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) [2022-11-23 15:47:45,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:47:45,665 INFO L93 Difference]: Finished difference Result 1352 states and 2564 transitions. [2022-11-23 15:47:45,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-23 15:47:45,666 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.25) internal successors, (18), 8 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 [2022-11-23 15:47:45,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:47:45,673 INFO L225 Difference]: With dead ends: 1352 [2022-11-23 15:47:45,673 INFO L226 Difference]: Without dead ends: 1352 [2022-11-23 15:47:45,673 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2022-11-23 15:47:45,674 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 211 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 881 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 211 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 998 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 881 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-11-23 15:47:45,674 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [211 Valid, 34 Invalid, 998 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 881 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-11-23 15:47:45,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1352 states. [2022-11-23 15:47:45,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1352 to 938. [2022-11-23 15:47:45,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 938 states, 926 states have (on average 1.951403887688985) internal successors, (1807), 937 states have internal predecessors, (1807), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:47:45,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 938 states to 938 states and 1807 transitions. [2022-11-23 15:47:45,703 INFO L78 Accepts]: Start accepts. Automaton has 938 states and 1807 transitions. Word has length 18 [2022-11-23 15:47:45,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:47:45,703 INFO L495 AbstractCegarLoop]: Abstraction has 938 states and 1807 transitions. [2022-11-23 15:47:45,703 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.25) internal successors, (18), 8 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) [2022-11-23 15:47:45,704 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 1807 transitions. [2022-11-23 15:47:45,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-23 15:47:45,704 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:47:45,705 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:47:45,705 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-23 15:47:45,705 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-23 15:47:45,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:47:45,706 INFO L85 PathProgramCache]: Analyzing trace with hash -398652239, now seen corresponding path program 1 times [2022-11-23 15:47:45,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:47:45,706 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916739245] [2022-11-23 15:47:45,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:47:45,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:47:45,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:47:46,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:47:46,314 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:47:46,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916739245] [2022-11-23 15:47:46,314 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916739245] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:47:46,314 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:47:46,314 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-23 15:47:46,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169905301] [2022-11-23 15:47:46,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:47:46,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-23 15:47:46,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:47:46,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-23 15:47:46,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-11-23 15:47:46,316 INFO L87 Difference]: Start difference. First operand 938 states and 1807 transitions. Second operand has 9 states, 8 states have (on average 2.25) internal successors, (18), 8 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) [2022-11-23 15:47:47,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:47:47,771 INFO L93 Difference]: Finished difference Result 964 states and 1826 transitions. [2022-11-23 15:47:47,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-23 15:47:47,772 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.25) internal successors, (18), 8 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 [2022-11-23 15:47:47,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:47:47,776 INFO L225 Difference]: With dead ends: 964 [2022-11-23 15:47:47,776 INFO L226 Difference]: Without dead ends: 964 [2022-11-23 15:47:47,776 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=97, Invalid=175, Unknown=0, NotChecked=0, Total=272 [2022-11-23 15:47:47,777 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 166 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 322 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-23 15:47:47,777 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 42 Invalid, 366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 322 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-23 15:47:47,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 964 states. [2022-11-23 15:47:47,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 964 to 908. [2022-11-23 15:47:47,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 908 states, 896 states have (on average 1.9497767857142858) internal successors, (1747), 907 states have internal predecessors, (1747), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:47:47,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 908 states and 1747 transitions. [2022-11-23 15:47:47,798 INFO L78 Accepts]: Start accepts. Automaton has 908 states and 1747 transitions. Word has length 18 [2022-11-23 15:47:47,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:47:47,799 INFO L495 AbstractCegarLoop]: Abstraction has 908 states and 1747 transitions. [2022-11-23 15:47:47,799 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.25) internal successors, (18), 8 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) [2022-11-23 15:47:47,799 INFO L276 IsEmpty]: Start isEmpty. Operand 908 states and 1747 transitions. [2022-11-23 15:47:47,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-23 15:47:47,800 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:47:47,800 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:47:47,801 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-23 15:47:47,801 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-23 15:47:47,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:47:47,801 INFO L85 PathProgramCache]: Analyzing trace with hash -275624300, now seen corresponding path program 2 times [2022-11-23 15:47:47,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:47:47,802 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991509391] [2022-11-23 15:47:47,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:47:47,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:47:47,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:47:48,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:47:48,945 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:47:48,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991509391] [2022-11-23 15:47:48,945 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [991509391] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:47:48,945 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:47:48,946 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-23 15:47:48,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362419064] [2022-11-23 15:47:48,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:47:48,946 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-23 15:47:48,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:47:48,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-23 15:47:48,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2022-11-23 15:47:48,947 INFO L87 Difference]: Start difference. First operand 908 states and 1747 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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) [2022-11-23 15:47:51,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:47:51,263 INFO L93 Difference]: Finished difference Result 1558 states and 3004 transitions. [2022-11-23 15:47:51,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-11-23 15:47:51,264 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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 [2022-11-23 15:47:51,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:47:51,272 INFO L225 Difference]: With dead ends: 1558 [2022-11-23 15:47:51,272 INFO L226 Difference]: Without dead ends: 1558 [2022-11-23 15:47:51,272 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=235, Invalid=635, Unknown=0, NotChecked=0, Total=870 [2022-11-23 15:47:51,272 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 229 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 735 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 826 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 735 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-23 15:47:51,273 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [229 Valid, 104 Invalid, 826 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 735 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-23 15:47:51,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1558 states. [2022-11-23 15:47:51,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1558 to 918. [2022-11-23 15:47:51,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 918 states, 906 states have (on average 1.9503311258278146) internal successors, (1767), 917 states have internal predecessors, (1767), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:47:51,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 918 states and 1767 transitions. [2022-11-23 15:47:51,300 INFO L78 Accepts]: Start accepts. Automaton has 918 states and 1767 transitions. Word has length 18 [2022-11-23 15:47:51,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:47:51,300 INFO L495 AbstractCegarLoop]: Abstraction has 918 states and 1767 transitions. [2022-11-23 15:47:51,301 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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) [2022-11-23 15:47:51,301 INFO L276 IsEmpty]: Start isEmpty. Operand 918 states and 1767 transitions. [2022-11-23 15:47:51,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-23 15:47:51,302 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:47:51,302 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:47:51,302 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-23 15:47:51,302 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-23 15:47:51,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:47:51,303 INFO L85 PathProgramCache]: Analyzing trace with hash 2073214498, now seen corresponding path program 3 times [2022-11-23 15:47:51,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:47:51,303 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883168528] [2022-11-23 15:47:51,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:47:51,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:47:51,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:47:52,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:47:52,514 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:47:52,514 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883168528] [2022-11-23 15:47:52,514 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1883168528] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:47:52,514 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:47:52,515 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-23 15:47:52,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133174644] [2022-11-23 15:47:52,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:47:52,516 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-23 15:47:52,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:47:52,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-23 15:47:52,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2022-11-23 15:47:52,517 INFO L87 Difference]: Start difference. First operand 918 states and 1767 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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) [2022-11-23 15:47:56,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:47:56,311 INFO L93 Difference]: Finished difference Result 1991 states and 3821 transitions. [2022-11-23 15:47:56,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-11-23 15:47:56,312 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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 [2022-11-23 15:47:56,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:47:56,320 INFO L225 Difference]: With dead ends: 1991 [2022-11-23 15:47:56,320 INFO L226 Difference]: Without dead ends: 1991 [2022-11-23 15:47:56,321 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 226 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=299, Invalid=693, Unknown=0, NotChecked=0, Total=992 [2022-11-23 15:47:56,322 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 312 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 1097 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 312 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 1177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 1097 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:47:56,322 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [312 Valid, 124 Invalid, 1177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 1097 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-11-23 15:47:56,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1991 states. [2022-11-23 15:47:56,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1991 to 931. [2022-11-23 15:47:56,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 931 states, 919 states have (on average 1.9510337323177367) internal successors, (1793), 930 states have internal predecessors, (1793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:47:56,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 931 states to 931 states and 1793 transitions. [2022-11-23 15:47:56,352 INFO L78 Accepts]: Start accepts. Automaton has 931 states and 1793 transitions. Word has length 18 [2022-11-23 15:47:56,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:47:56,353 INFO L495 AbstractCegarLoop]: Abstraction has 931 states and 1793 transitions. [2022-11-23 15:47:56,353 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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) [2022-11-23 15:47:56,353 INFO L276 IsEmpty]: Start isEmpty. Operand 931 states and 1793 transitions. [2022-11-23 15:47:56,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-23 15:47:56,354 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:47:56,354 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:47:56,354 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-23 15:47:56,355 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-23 15:47:56,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:47:56,355 INFO L85 PathProgramCache]: Analyzing trace with hash -1272209449, now seen corresponding path program 1 times [2022-11-23 15:47:56,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:47:56,356 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641289723] [2022-11-23 15:47:56,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:47:56,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:47:56,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:47:57,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:47:57,943 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:47:57,943 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641289723] [2022-11-23 15:47:57,943 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641289723] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:47:57,943 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:47:57,943 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-23 15:47:57,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522471687] [2022-11-23 15:47:57,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:47:57,944 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-23 15:47:57,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:47:57,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-23 15:47:57,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2022-11-23 15:47:57,945 INFO L87 Difference]: Start difference. First operand 931 states and 1793 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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) [2022-11-23 15:48:01,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:48:01,688 INFO L93 Difference]: Finished difference Result 2129 states and 4020 transitions. [2022-11-23 15:48:01,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-23 15:48:01,689 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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 [2022-11-23 15:48:01,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:48:01,696 INFO L225 Difference]: With dead ends: 2129 [2022-11-23 15:48:01,697 INFO L226 Difference]: Without dead ends: 2129 [2022-11-23 15:48:01,697 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=119, Invalid=387, Unknown=0, NotChecked=0, Total=506 [2022-11-23 15:48:01,698 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 358 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 1362 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 358 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 1470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 1362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-11-23 15:48:01,698 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [358 Valid, 94 Invalid, 1470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 1362 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-11-23 15:48:01,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2129 states. [2022-11-23 15:48:01,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2129 to 992. [2022-11-23 15:48:01,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 992 states, 980 states have (on average 1.9540816326530612) internal successors, (1915), 991 states have internal predecessors, (1915), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:48:01,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 992 states to 992 states and 1915 transitions. [2022-11-23 15:48:01,736 INFO L78 Accepts]: Start accepts. Automaton has 992 states and 1915 transitions. Word has length 18 [2022-11-23 15:48:01,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:48:01,736 INFO L495 AbstractCegarLoop]: Abstraction has 992 states and 1915 transitions. [2022-11-23 15:48:01,736 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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) [2022-11-23 15:48:01,737 INFO L276 IsEmpty]: Start isEmpty. Operand 992 states and 1915 transitions. [2022-11-23 15:48:01,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-23 15:48:01,738 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:48:01,738 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:48:01,738 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-23 15:48:01,738 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-23 15:48:01,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:48:01,739 INFO L85 PathProgramCache]: Analyzing trace with hash 330506296, now seen corresponding path program 4 times [2022-11-23 15:48:01,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:48:01,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783974058] [2022-11-23 15:48:01,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:48:01,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:48:01,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:48:02,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:48:02,746 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:48:02,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783974058] [2022-11-23 15:48:02,746 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783974058] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:48:02,747 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:48:02,747 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-23 15:48:02,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825029581] [2022-11-23 15:48:02,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:48:02,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-23 15:48:02,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:48:02,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-23 15:48:02,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2022-11-23 15:48:02,748 INFO L87 Difference]: Start difference. First operand 992 states and 1915 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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) [2022-11-23 15:48:06,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:48:06,858 INFO L93 Difference]: Finished difference Result 1829 states and 3569 transitions. [2022-11-23 15:48:06,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-11-23 15:48:06,859 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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 [2022-11-23 15:48:06,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:48:06,864 INFO L225 Difference]: With dead ends: 1829 [2022-11-23 15:48:06,864 INFO L226 Difference]: Without dead ends: 1829 [2022-11-23 15:48:06,865 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 252 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=249, Invalid=873, Unknown=0, NotChecked=0, Total=1122 [2022-11-23 15:48:06,866 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 204 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 1793 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 1849 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 1793 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-11-23 15:48:06,866 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 189 Invalid, 1849 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 1793 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-11-23 15:48:06,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1829 states. [2022-11-23 15:48:06,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1829 to 1025. [2022-11-23 15:48:06,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1025 states, 1013 states have (on average 1.9555774925962488) internal successors, (1981), 1024 states have internal predecessors, (1981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:48:06,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1025 states to 1025 states and 1981 transitions. [2022-11-23 15:48:06,892 INFO L78 Accepts]: Start accepts. Automaton has 1025 states and 1981 transitions. Word has length 18 [2022-11-23 15:48:06,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:48:06,893 INFO L495 AbstractCegarLoop]: Abstraction has 1025 states and 1981 transitions. [2022-11-23 15:48:06,893 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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) [2022-11-23 15:48:06,893 INFO L276 IsEmpty]: Start isEmpty. Operand 1025 states and 1981 transitions. [2022-11-23 15:48:06,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-23 15:48:06,894 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:48:06,894 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:48:06,894 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-23 15:48:06,895 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-23 15:48:06,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:48:06,895 INFO L85 PathProgramCache]: Analyzing trace with hash -1615622202, now seen corresponding path program 5 times [2022-11-23 15:48:06,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:48:06,895 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806654282] [2022-11-23 15:48:06,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:48:06,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:48:06,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:48:07,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:48:07,931 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:48:07,931 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806654282] [2022-11-23 15:48:07,931 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806654282] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:48:07,931 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:48:07,932 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-23 15:48:07,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272329810] [2022-11-23 15:48:07,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:48:07,932 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-23 15:48:07,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:48:07,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-23 15:48:07,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-11-23 15:48:07,933 INFO L87 Difference]: Start difference. First operand 1025 states and 1981 transitions. Second operand has 11 states, 10 states have (on average 1.8) internal successors, (18), 10 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) [2022-11-23 15:48:11,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:48:11,813 INFO L93 Difference]: Finished difference Result 2100 states and 4054 transitions. [2022-11-23 15:48:11,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-23 15:48:11,815 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.8) internal successors, (18), 10 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 [2022-11-23 15:48:11,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:48:11,820 INFO L225 Difference]: With dead ends: 2100 [2022-11-23 15:48:11,820 INFO L226 Difference]: Without dead ends: 2100 [2022-11-23 15:48:11,821 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=144, Invalid=506, Unknown=0, NotChecked=0, Total=650 [2022-11-23 15:48:11,822 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 187 mSDsluCounter, 219 mSDsCounter, 0 mSdLazyCounter, 1836 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 1863 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1836 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-11-23 15:48:11,822 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 298 Invalid, 1863 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 1836 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-11-23 15:48:11,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2100 states. [2022-11-23 15:48:11,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2100 to 1038. [2022-11-23 15:48:11,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1038 states, 1026 states have (on average 1.956140350877193) internal successors, (2007), 1037 states have internal predecessors, (2007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:48:11,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1038 states to 1038 states and 2007 transitions. [2022-11-23 15:48:11,851 INFO L78 Accepts]: Start accepts. Automaton has 1038 states and 2007 transitions. Word has length 18 [2022-11-23 15:48:11,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:48:11,852 INFO L495 AbstractCegarLoop]: Abstraction has 1038 states and 2007 transitions. [2022-11-23 15:48:11,852 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.8) internal successors, (18), 10 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) [2022-11-23 15:48:11,852 INFO L276 IsEmpty]: Start isEmpty. Operand 1038 states and 2007 transitions. [2022-11-23 15:48:11,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-23 15:48:11,853 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:48:11,853 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:48:11,853 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-23 15:48:11,854 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-23 15:48:11,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:48:11,854 INFO L85 PathProgramCache]: Analyzing trace with hash -666078853, now seen corresponding path program 2 times [2022-11-23 15:48:11,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:48:11,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598469604] [2022-11-23 15:48:11,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:48:11,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:48:11,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:48:12,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:48:12,800 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:48:12,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598469604] [2022-11-23 15:48:12,800 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [598469604] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:48:12,800 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:48:12,800 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-23 15:48:12,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266812055] [2022-11-23 15:48:12,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:48:12,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-23 15:48:12,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:48:12,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-23 15:48:12,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2022-11-23 15:48:12,802 INFO L87 Difference]: Start difference. First operand 1038 states and 2007 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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) [2022-11-23 15:48:16,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:48:16,175 INFO L93 Difference]: Finished difference Result 1920 states and 3656 transitions. [2022-11-23 15:48:16,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-23 15:48:16,175 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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 [2022-11-23 15:48:16,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:48:16,180 INFO L225 Difference]: With dead ends: 1920 [2022-11-23 15:48:16,180 INFO L226 Difference]: Without dead ends: 1920 [2022-11-23 15:48:16,180 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=125, Invalid=427, Unknown=0, NotChecked=0, Total=552 [2022-11-23 15:48:16,180 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 255 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 1563 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 1654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 1563 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:48:16,181 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [255 Valid, 145 Invalid, 1654 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 1563 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-11-23 15:48:16,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1920 states. [2022-11-23 15:48:16,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1920 to 937. [2022-11-23 15:48:16,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 937 states, 925 states have (on average 1.9513513513513514) internal successors, (1805), 936 states have internal predecessors, (1805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:48:16,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 937 states to 937 states and 1805 transitions. [2022-11-23 15:48:16,206 INFO L78 Accepts]: Start accepts. Automaton has 937 states and 1805 transitions. Word has length 18 [2022-11-23 15:48:16,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:48:16,207 INFO L495 AbstractCegarLoop]: Abstraction has 937 states and 1805 transitions. [2022-11-23 15:48:16,207 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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) [2022-11-23 15:48:16,207 INFO L276 IsEmpty]: Start isEmpty. Operand 937 states and 1805 transitions. [2022-11-23 15:48:16,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-23 15:48:16,208 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:48:16,208 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:48:16,208 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-23 15:48:16,209 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-23 15:48:16,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:48:16,209 INFO L85 PathProgramCache]: Analyzing trace with hash -641687802, now seen corresponding path program 6 times [2022-11-23 15:48:16,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:48:16,210 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66017997] [2022-11-23 15:48:16,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:48:16,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:48:16,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:48:17,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:48:17,058 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:48:17,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66017997] [2022-11-23 15:48:17,058 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [66017997] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:48:17,058 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:48:17,058 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-23 15:48:17,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329929703] [2022-11-23 15:48:17,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:48:17,059 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-23 15:48:17,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:48:17,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-23 15:48:17,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2022-11-23 15:48:17,059 INFO L87 Difference]: Start difference. First operand 937 states and 1805 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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) [2022-11-23 15:48:19,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:48:19,800 INFO L93 Difference]: Finished difference Result 1918 states and 3690 transitions. [2022-11-23 15:48:19,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-11-23 15:48:19,800 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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 [2022-11-23 15:48:19,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:48:19,804 INFO L225 Difference]: With dead ends: 1918 [2022-11-23 15:48:19,804 INFO L226 Difference]: Without dead ends: 1918 [2022-11-23 15:48:19,804 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 287 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=271, Invalid=919, Unknown=0, NotChecked=0, Total=1190 [2022-11-23 15:48:19,805 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 292 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 1321 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 292 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 1365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 1321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-23 15:48:19,806 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [292 Valid, 232 Invalid, 1365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 1321 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-23 15:48:19,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1918 states. [2022-11-23 15:48:19,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1918 to 894. [2022-11-23 15:48:19,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 894 states, 884 states have (on average 1.9502262443438914) internal successors, (1724), 893 states have internal predecessors, (1724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:48:19,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1724 transitions. [2022-11-23 15:48:19,831 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1724 transitions. Word has length 18 [2022-11-23 15:48:19,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:48:19,831 INFO L495 AbstractCegarLoop]: Abstraction has 894 states and 1724 transitions. [2022-11-23 15:48:19,831 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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) [2022-11-23 15:48:19,832 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1724 transitions. [2022-11-23 15:48:19,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-23 15:48:19,832 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:48:19,833 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:48:19,833 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-23 15:48:19,833 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-23 15:48:19,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:48:19,833 INFO L85 PathProgramCache]: Analyzing trace with hash 307855547, now seen corresponding path program 3 times [2022-11-23 15:48:19,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:48:19,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531102835] [2022-11-23 15:48:19,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:48:19,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:48:19,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:48:20,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:48:20,708 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:48:20,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531102835] [2022-11-23 15:48:20,709 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531102835] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:48:20,709 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:48:20,709 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-23 15:48:20,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364726572] [2022-11-23 15:48:20,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:48:20,709 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-23 15:48:20,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:48:20,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-23 15:48:20,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2022-11-23 15:48:20,710 INFO L87 Difference]: Start difference. First operand 894 states and 1724 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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) [2022-11-23 15:48:23,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:48:23,268 INFO L93 Difference]: Finished difference Result 2088 states and 3984 transitions. [2022-11-23 15:48:23,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-23 15:48:23,269 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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 [2022-11-23 15:48:23,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:48:23,274 INFO L225 Difference]: With dead ends: 2088 [2022-11-23 15:48:23,274 INFO L226 Difference]: Without dead ends: 2088 [2022-11-23 15:48:23,275 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 177 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=209, Invalid=661, Unknown=0, NotChecked=0, Total=870 [2022-11-23 15:48:23,275 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 397 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 1353 mSolverCounterSat, 154 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 397 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 1507 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 154 IncrementalHoareTripleChecker+Valid, 1353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-23 15:48:23,276 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [397 Valid, 153 Invalid, 1507 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [154 Valid, 1353 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-23 15:48:23,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2088 states. [2022-11-23 15:48:23,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2088 to 832. [2022-11-23 15:48:23,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 832 states, 822 states have (on average 1.9464720194647203) internal successors, (1600), 831 states have internal predecessors, (1600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:48:23,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 832 states and 1600 transitions. [2022-11-23 15:48:23,301 INFO L78 Accepts]: Start accepts. Automaton has 832 states and 1600 transitions. Word has length 18 [2022-11-23 15:48:23,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:48:23,301 INFO L495 AbstractCegarLoop]: Abstraction has 832 states and 1600 transitions. [2022-11-23 15:48:23,302 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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) [2022-11-23 15:48:23,302 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1600 transitions. [2022-11-23 15:48:23,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-23 15:48:23,302 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:48:23,303 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:48:23,303 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-23 15:48:23,303 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-23 15:48:23,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:48:23,304 INFO L85 PathProgramCache]: Analyzing trace with hash -869218217, now seen corresponding path program 4 times [2022-11-23 15:48:23,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:48:23,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483198922] [2022-11-23 15:48:23,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:48:23,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:48:23,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:48:24,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:48:24,266 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:48:24,266 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483198922] [2022-11-23 15:48:24,266 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [483198922] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:48:24,266 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:48:24,266 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-23 15:48:24,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672122902] [2022-11-23 15:48:24,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:48:24,267 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-23 15:48:24,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:48:24,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-23 15:48:24,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2022-11-23 15:48:24,268 INFO L87 Difference]: Start difference. First operand 832 states and 1600 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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) [2022-11-23 15:48:27,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:48:27,530 INFO L93 Difference]: Finished difference Result 1804 states and 3459 transitions. [2022-11-23 15:48:27,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-23 15:48:27,531 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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 [2022-11-23 15:48:27,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:48:27,535 INFO L225 Difference]: With dead ends: 1804 [2022-11-23 15:48:27,536 INFO L226 Difference]: Without dead ends: 1804 [2022-11-23 15:48:27,536 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=200, Invalid=612, Unknown=0, NotChecked=0, Total=812 [2022-11-23 15:48:27,537 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 219 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 1528 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 1658 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 1528 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-11-23 15:48:27,537 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [219 Valid, 138 Invalid, 1658 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 1528 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-11-23 15:48:27,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1804 states. [2022-11-23 15:48:27,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1804 to 832. [2022-11-23 15:48:27,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 832 states, 822 states have (on average 1.9464720194647203) internal successors, (1600), 831 states have internal predecessors, (1600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:48:27,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 832 states and 1600 transitions. [2022-11-23 15:48:27,560 INFO L78 Accepts]: Start accepts. Automaton has 832 states and 1600 transitions. Word has length 18 [2022-11-23 15:48:27,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:48:27,560 INFO L495 AbstractCegarLoop]: Abstraction has 832 states and 1600 transitions. [2022-11-23 15:48:27,560 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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) [2022-11-23 15:48:27,560 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1600 transitions. [2022-11-23 15:48:27,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-23 15:48:27,561 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:48:27,561 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:48:27,561 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-23 15:48:27,562 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-23 15:48:27,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:48:27,562 INFO L85 PathProgramCache]: Analyzing trace with hash 1924402427, now seen corresponding path program 5 times [2022-11-23 15:48:27,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:48:27,563 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748250876] [2022-11-23 15:48:27,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:48:27,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:48:27,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:48:28,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:48:28,389 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:48:28,389 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748250876] [2022-11-23 15:48:28,389 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748250876] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:48:28,389 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:48:28,389 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-23 15:48:28,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695654949] [2022-11-23 15:48:28,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:48:28,390 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-23 15:48:28,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:48:28,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-23 15:48:28,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-11-23 15:48:28,390 INFO L87 Difference]: Start difference. First operand 832 states and 1600 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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) [2022-11-23 15:48:32,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:48:32,056 INFO L93 Difference]: Finished difference Result 1781 states and 3413 transitions. [2022-11-23 15:48:32,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-23 15:48:32,057 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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 [2022-11-23 15:48:32,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:48:32,060 INFO L225 Difference]: With dead ends: 1781 [2022-11-23 15:48:32,060 INFO L226 Difference]: Without dead ends: 1781 [2022-11-23 15:48:32,061 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 199 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=233, Invalid=759, Unknown=0, NotChecked=0, Total=992 [2022-11-23 15:48:32,061 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 255 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 1728 mSolverCounterSat, 154 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 1882 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 154 IncrementalHoareTripleChecker+Valid, 1728 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-11-23 15:48:32,062 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [255 Valid, 140 Invalid, 1882 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [154 Valid, 1728 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-11-23 15:48:32,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1781 states. [2022-11-23 15:48:32,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1781 to 714. [2022-11-23 15:48:32,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 714 states, 705 states have (on average 1.9347517730496453) internal successors, (1364), 713 states have internal predecessors, (1364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:48:32,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 714 states to 714 states and 1364 transitions. [2022-11-23 15:48:32,081 INFO L78 Accepts]: Start accepts. Automaton has 714 states and 1364 transitions. Word has length 18 [2022-11-23 15:48:32,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:48:32,081 INFO L495 AbstractCegarLoop]: Abstraction has 714 states and 1364 transitions. [2022-11-23 15:48:32,081 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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) [2022-11-23 15:48:32,081 INFO L276 IsEmpty]: Start isEmpty. Operand 714 states and 1364 transitions. [2022-11-23 15:48:32,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-23 15:48:32,082 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:48:32,083 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] [2022-11-23 15:48:32,083 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-11-23 15:48:32,083 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-23 15:48:32,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:48:32,083 INFO L85 PathProgramCache]: Analyzing trace with hash 1421995489, now seen corresponding path program 1 times [2022-11-23 15:48:32,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:48:32,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840578596] [2022-11-23 15:48:32,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:48:32,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:48:32,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:48:33,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:48:33,155 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:48:33,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840578596] [2022-11-23 15:48:33,156 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [840578596] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:48:33,156 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:48:33,156 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-23 15:48:33,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645588497] [2022-11-23 15:48:33,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:48:33,156 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-23 15:48:33,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:48:33,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-23 15:48:33,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2022-11-23 15:48:33,157 INFO L87 Difference]: Start difference. First operand 714 states and 1364 transitions. Second operand has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 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) [2022-11-23 15:48:36,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:48:36,201 INFO L93 Difference]: Finished difference Result 1778 states and 3383 transitions. [2022-11-23 15:48:36,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-23 15:48:36,202 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 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 [2022-11-23 15:48:36,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:48:36,205 INFO L225 Difference]: With dead ends: 1778 [2022-11-23 15:48:36,205 INFO L226 Difference]: Without dead ends: 1778 [2022-11-23 15:48:36,206 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=92, Invalid=288, Unknown=0, NotChecked=0, Total=380 [2022-11-23 15:48:36,207 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 228 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 1213 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 1243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-11-23 15:48:36,207 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [228 Valid, 209 Invalid, 1243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1213 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-11-23 15:48:36,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1778 states. [2022-11-23 15:48:36,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1778 to 814. [2022-11-23 15:48:36,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 814 states, 805 states have (on average 1.9428571428571428) internal successors, (1564), 813 states have internal predecessors, (1564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:48:36,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 814 states to 814 states and 1564 transitions. [2022-11-23 15:48:36,229 INFO L78 Accepts]: Start accepts. Automaton has 814 states and 1564 transitions. Word has length 24 [2022-11-23 15:48:36,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:48:36,230 INFO L495 AbstractCegarLoop]: Abstraction has 814 states and 1564 transitions. [2022-11-23 15:48:36,230 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 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) [2022-11-23 15:48:36,230 INFO L276 IsEmpty]: Start isEmpty. Operand 814 states and 1564 transitions. [2022-11-23 15:48:36,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-23 15:48:36,231 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:48:36,231 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] [2022-11-23 15:48:36,232 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-11-23 15:48:36,232 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-23 15:48:36,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:48:36,232 INFO L85 PathProgramCache]: Analyzing trace with hash -1553131573, now seen corresponding path program 2 times [2022-11-23 15:48:36,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:48:36,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73678698] [2022-11-23 15:48:36,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:48:36,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:48:36,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:48:37,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:48:37,190 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:48:37,190 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73678698] [2022-11-23 15:48:37,190 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [73678698] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:48:37,190 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:48:37,190 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-23 15:48:37,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568359113] [2022-11-23 15:48:37,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:48:37,191 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-23 15:48:37,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:48:37,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-23 15:48:37,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2022-11-23 15:48:37,192 INFO L87 Difference]: Start difference. First operand 814 states and 1564 transitions. Second operand has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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) [2022-11-23 15:48:40,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:48:40,075 INFO L93 Difference]: Finished difference Result 1309 states and 2516 transitions. [2022-11-23 15:48:40,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-23 15:48:40,079 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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 [2022-11-23 15:48:40,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:48:40,082 INFO L225 Difference]: With dead ends: 1309 [2022-11-23 15:48:40,082 INFO L226 Difference]: Without dead ends: 1309 [2022-11-23 15:48:40,082 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=80, Invalid=262, Unknown=0, NotChecked=0, Total=342 [2022-11-23 15:48:40,083 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 126 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 824 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 867 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 824 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-11-23 15:48:40,083 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 117 Invalid, 867 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 824 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-11-23 15:48:40,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1309 states. [2022-11-23 15:48:40,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1309 to 819. [2022-11-23 15:48:40,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 819 states, 810 states have (on average 1.94320987654321) internal successors, (1574), 818 states have internal predecessors, (1574), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:48:40,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 819 states to 819 states and 1574 transitions. [2022-11-23 15:48:40,103 INFO L78 Accepts]: Start accepts. Automaton has 819 states and 1574 transitions. Word has length 24 [2022-11-23 15:48:40,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:48:40,104 INFO L495 AbstractCegarLoop]: Abstraction has 819 states and 1574 transitions. [2022-11-23 15:48:40,104 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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) [2022-11-23 15:48:40,104 INFO L276 IsEmpty]: Start isEmpty. Operand 819 states and 1574 transitions. [2022-11-23 15:48:40,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-23 15:48:40,105 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:48:40,105 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] [2022-11-23 15:48:40,105 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-11-23 15:48:40,106 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-23 15:48:40,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:48:40,106 INFO L85 PathProgramCache]: Analyzing trace with hash 183646159, now seen corresponding path program 3 times [2022-11-23 15:48:40,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:48:40,106 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165920459] [2022-11-23 15:48:40,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:48:40,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:48:40,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:48:41,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:48:41,242 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:48:41,243 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165920459] [2022-11-23 15:48:41,243 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165920459] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:48:41,243 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:48:41,243 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-23 15:48:41,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686410029] [2022-11-23 15:48:41,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:48:41,243 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-23 15:48:41,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:48:41,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-23 15:48:41,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2022-11-23 15:48:41,244 INFO L87 Difference]: Start difference. First operand 819 states and 1574 transitions. Second operand has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 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) [2022-11-23 15:48:43,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:48:43,779 INFO L93 Difference]: Finished difference Result 1163 states and 2243 transitions. [2022-11-23 15:48:43,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-23 15:48:43,780 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 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 [2022-11-23 15:48:43,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:48:43,782 INFO L225 Difference]: With dead ends: 1163 [2022-11-23 15:48:43,782 INFO L226 Difference]: Without dead ends: 1163 [2022-11-23 15:48:43,782 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-11-23 15:48:43,782 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 81 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 775 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 806 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 775 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-23 15:48:43,783 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 110 Invalid, 806 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 775 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-11-23 15:48:43,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1163 states. [2022-11-23 15:48:43,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1163 to 831. [2022-11-23 15:48:43,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 831 states, 822 states have (on average 1.9440389294403893) internal successors, (1598), 830 states have internal predecessors, (1598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:48:43,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 831 states to 831 states and 1598 transitions. [2022-11-23 15:48:43,799 INFO L78 Accepts]: Start accepts. Automaton has 831 states and 1598 transitions. Word has length 24 [2022-11-23 15:48:43,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:48:43,799 INFO L495 AbstractCegarLoop]: Abstraction has 831 states and 1598 transitions. [2022-11-23 15:48:43,800 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 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) [2022-11-23 15:48:43,800 INFO L276 IsEmpty]: Start isEmpty. Operand 831 states and 1598 transitions. [2022-11-23 15:48:43,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-23 15:48:43,801 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:48:43,801 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] [2022-11-23 15:48:43,801 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-11-23 15:48:43,801 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-23 15:48:43,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:48:43,802 INFO L85 PathProgramCache]: Analyzing trace with hash 128829545, now seen corresponding path program 4 times [2022-11-23 15:48:43,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:48:43,802 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171978480] [2022-11-23 15:48:43,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:48:43,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:48:43,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:48:45,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:48:45,007 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:48:45,007 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171978480] [2022-11-23 15:48:45,007 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171978480] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:48:45,007 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:48:45,007 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-23 15:48:45,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440965191] [2022-11-23 15:48:45,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:48:45,008 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-23 15:48:45,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:48:45,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-23 15:48:45,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2022-11-23 15:48:45,008 INFO L87 Difference]: Start difference. First operand 831 states and 1598 transitions. Second operand has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 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) [2022-11-23 15:48:48,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:48:48,230 INFO L93 Difference]: Finished difference Result 1150 states and 2219 transitions. [2022-11-23 15:48:48,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-23 15:48:48,230 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 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 [2022-11-23 15:48:48,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:48:48,232 INFO L225 Difference]: With dead ends: 1150 [2022-11-23 15:48:48,232 INFO L226 Difference]: Without dead ends: 1150 [2022-11-23 15:48:48,233 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2022-11-23 15:48:48,233 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 98 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 998 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 1031 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 998 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:48:48,234 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 120 Invalid, 1031 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 998 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-11-23 15:48:48,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1150 states. [2022-11-23 15:48:48,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1150 to 834. [2022-11-23 15:48:48,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 834 states, 825 states have (on average 1.9442424242424243) internal successors, (1604), 833 states have internal predecessors, (1604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:48:48,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 834 states to 834 states and 1604 transitions. [2022-11-23 15:48:48,252 INFO L78 Accepts]: Start accepts. Automaton has 834 states and 1604 transitions. Word has length 24 [2022-11-23 15:48:48,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:48:48,252 INFO L495 AbstractCegarLoop]: Abstraction has 834 states and 1604 transitions. [2022-11-23 15:48:48,252 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 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) [2022-11-23 15:48:48,252 INFO L276 IsEmpty]: Start isEmpty. Operand 834 states and 1604 transitions. [2022-11-23 15:48:48,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-23 15:48:48,254 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:48:48,254 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] [2022-11-23 15:48:48,254 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-11-23 15:48:48,254 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-23 15:48:48,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:48:48,255 INFO L85 PathProgramCache]: Analyzing trace with hash -1081139167, now seen corresponding path program 5 times [2022-11-23 15:48:48,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:48:48,255 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856188882] [2022-11-23 15:48:48,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:48:48,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:48:48,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:48:49,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:48:49,354 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:48:49,354 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856188882] [2022-11-23 15:48:49,354 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1856188882] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:48:49,355 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:48:49,355 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-23 15:48:49,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022044652] [2022-11-23 15:48:49,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:48:49,355 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-23 15:48:49,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:48:49,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-23 15:48:49,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2022-11-23 15:48:49,356 INFO L87 Difference]: Start difference. First operand 834 states and 1604 transitions. Second operand has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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) [2022-11-23 15:48:51,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:48:51,459 INFO L93 Difference]: Finished difference Result 1272 states and 2448 transitions. [2022-11-23 15:48:51,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-23 15:48:51,460 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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 [2022-11-23 15:48:51,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:48:51,461 INFO L225 Difference]: With dead ends: 1272 [2022-11-23 15:48:51,462 INFO L226 Difference]: Without dead ends: 1272 [2022-11-23 15:48:51,462 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=102, Invalid=240, Unknown=0, NotChecked=0, Total=342 [2022-11-23 15:48:51,462 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 118 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 574 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 618 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 574 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-23 15:48:51,463 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 92 Invalid, 618 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 574 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-23 15:48:51,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1272 states. [2022-11-23 15:48:51,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1272 to 848. [2022-11-23 15:48:51,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 848 states, 839 states have (on average 1.9451728247914184) internal successors, (1632), 847 states have internal predecessors, (1632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:48:51,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 848 states to 848 states and 1632 transitions. [2022-11-23 15:48:51,481 INFO L78 Accepts]: Start accepts. Automaton has 848 states and 1632 transitions. Word has length 24 [2022-11-23 15:48:51,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:48:51,481 INFO L495 AbstractCegarLoop]: Abstraction has 848 states and 1632 transitions. [2022-11-23 15:48:51,481 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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) [2022-11-23 15:48:51,482 INFO L276 IsEmpty]: Start isEmpty. Operand 848 states and 1632 transitions. [2022-11-23 15:48:51,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-23 15:48:51,483 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:48:51,483 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] [2022-11-23 15:48:51,483 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-11-23 15:48:51,484 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-23 15:48:51,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:48:51,484 INFO L85 PathProgramCache]: Analyzing trace with hash 1730238057, now seen corresponding path program 6 times [2022-11-23 15:48:51,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:48:51,484 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460584293] [2022-11-23 15:48:51,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:48:51,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:48:51,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:48:52,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:48:52,596 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:48:52,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460584293] [2022-11-23 15:48:52,597 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [460584293] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:48:52,597 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:48:52,597 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-23 15:48:52,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874927850] [2022-11-23 15:48:52,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:48:52,597 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-23 15:48:52,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:48:52,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-23 15:48:52,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2022-11-23 15:48:52,598 INFO L87 Difference]: Start difference. First operand 848 states and 1632 transitions. Second operand has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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) [2022-11-23 15:48:55,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:48:55,091 INFO L93 Difference]: Finished difference Result 1289 states and 2480 transitions. [2022-11-23 15:48:55,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-23 15:48:55,091 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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 [2022-11-23 15:48:55,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:48:55,093 INFO L225 Difference]: With dead ends: 1289 [2022-11-23 15:48:55,093 INFO L226 Difference]: Without dead ends: 1289 [2022-11-23 15:48:55,093 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=101, Invalid=279, Unknown=0, NotChecked=0, Total=380 [2022-11-23 15:48:55,094 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 120 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 703 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 742 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 703 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-23 15:48:55,094 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 100 Invalid, 742 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 703 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-23 15:48:55,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1289 states. [2022-11-23 15:48:55,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1289 to 846. [2022-11-23 15:48:55,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 846 states, 837 states have (on average 1.945041816009558) internal successors, (1628), 845 states have internal predecessors, (1628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:48:55,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 846 states to 846 states and 1628 transitions. [2022-11-23 15:48:55,113 INFO L78 Accepts]: Start accepts. Automaton has 846 states and 1628 transitions. Word has length 24 [2022-11-23 15:48:55,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:48:55,114 INFO L495 AbstractCegarLoop]: Abstraction has 846 states and 1628 transitions. [2022-11-23 15:48:55,114 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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) [2022-11-23 15:48:55,114 INFO L276 IsEmpty]: Start isEmpty. Operand 846 states and 1628 transitions. [2022-11-23 15:48:55,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-23 15:48:55,115 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:48:55,115 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] [2022-11-23 15:48:55,116 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-11-23 15:48:55,116 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-23 15:48:55,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:48:55,116 INFO L85 PathProgramCache]: Analyzing trace with hash -1383484009, now seen corresponding path program 7 times [2022-11-23 15:48:55,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:48:55,117 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254846404] [2022-11-23 15:48:55,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:48:55,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:48:55,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:48:56,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:48:56,100 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:48:56,100 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254846404] [2022-11-23 15:48:56,100 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254846404] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:48:56,101 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:48:56,101 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-23 15:48:56,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638702162] [2022-11-23 15:48:56,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:48:56,101 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-23 15:48:56,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:48:56,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-23 15:48:56,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2022-11-23 15:48:56,102 INFO L87 Difference]: Start difference. First operand 846 states and 1628 transitions. Second operand has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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) [2022-11-23 15:48:59,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:48:59,654 INFO L93 Difference]: Finished difference Result 1323 states and 2544 transitions. [2022-11-23 15:48:59,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-23 15:48:59,654 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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 [2022-11-23 15:48:59,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:48:59,656 INFO L225 Difference]: With dead ends: 1323 [2022-11-23 15:48:59,656 INFO L226 Difference]: Without dead ends: 1323 [2022-11-23 15:48:59,656 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=80, Invalid=262, Unknown=0, NotChecked=0, Total=342 [2022-11-23 15:48:59,657 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 126 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 830 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 865 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 830 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-11-23 15:48:59,657 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 109 Invalid, 865 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 830 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-11-23 15:48:59,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1323 states. [2022-11-23 15:48:59,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1323 to 834. [2022-11-23 15:48:59,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 834 states, 825 states have (on average 1.9442424242424243) internal successors, (1604), 833 states have internal predecessors, (1604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:48:59,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 834 states to 834 states and 1604 transitions. [2022-11-23 15:48:59,670 INFO L78 Accepts]: Start accepts. Automaton has 834 states and 1604 transitions. Word has length 24 [2022-11-23 15:48:59,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:48:59,671 INFO L495 AbstractCegarLoop]: Abstraction has 834 states and 1604 transitions. [2022-11-23 15:48:59,671 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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) [2022-11-23 15:48:59,671 INFO L276 IsEmpty]: Start isEmpty. Operand 834 states and 1604 transitions. [2022-11-23 15:48:59,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-23 15:48:59,672 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:48:59,672 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] [2022-11-23 15:48:59,672 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-11-23 15:48:59,673 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-23 15:48:59,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:48:59,673 INFO L85 PathProgramCache]: Analyzing trace with hash -378666787, now seen corresponding path program 8 times [2022-11-23 15:48:59,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:48:59,673 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376690582] [2022-11-23 15:48:59,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:48:59,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:48:59,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:49:00,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:49:00,939 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:49:00,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376690582] [2022-11-23 15:49:00,940 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376690582] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:49:00,940 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:49:00,940 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-23 15:49:00,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151777493] [2022-11-23 15:49:00,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:49:00,940 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-23 15:49:00,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:49:00,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-23 15:49:00,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2022-11-23 15:49:00,941 INFO L87 Difference]: Start difference. First operand 834 states and 1604 transitions. Second operand has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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) [2022-11-23 15:49:03,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:49:03,770 INFO L93 Difference]: Finished difference Result 1081 states and 2070 transitions. [2022-11-23 15:49:03,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-23 15:49:03,771 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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 [2022-11-23 15:49:03,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:49:03,773 INFO L225 Difference]: With dead ends: 1081 [2022-11-23 15:49:03,773 INFO L226 Difference]: Without dead ends: 1081 [2022-11-23 15:49:03,773 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=128, Invalid=292, Unknown=0, NotChecked=0, Total=420 [2022-11-23 15:49:03,773 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 114 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 777 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 821 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 777 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-23 15:49:03,773 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 76 Invalid, 821 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 777 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-23 15:49:03,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1081 states. [2022-11-23 15:49:03,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1081 to 846. [2022-11-23 15:49:03,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 846 states, 837 states have (on average 1.945041816009558) internal successors, (1628), 845 states have internal predecessors, (1628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:49:03,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 846 states to 846 states and 1628 transitions. [2022-11-23 15:49:03,789 INFO L78 Accepts]: Start accepts. Automaton has 846 states and 1628 transitions. Word has length 24 [2022-11-23 15:49:03,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:49:03,789 INFO L495 AbstractCegarLoop]: Abstraction has 846 states and 1628 transitions. [2022-11-23 15:49:03,789 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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) [2022-11-23 15:49:03,789 INFO L276 IsEmpty]: Start isEmpty. Operand 846 states and 1628 transitions. [2022-11-23 15:49:03,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-23 15:49:03,791 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:49:03,791 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] [2022-11-23 15:49:03,791 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-11-23 15:49:03,791 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-23 15:49:03,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:49:03,792 INFO L85 PathProgramCache]: Analyzing trace with hash 733668105, now seen corresponding path program 9 times [2022-11-23 15:49:03,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:49:03,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641041209] [2022-11-23 15:49:03,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:49:03,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:49:03,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:49:05,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:49:05,672 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:49:05,672 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641041209] [2022-11-23 15:49:05,672 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1641041209] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:49:05,672 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:49:05,673 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-23 15:49:05,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865804437] [2022-11-23 15:49:05,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:49:05,673 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-23 15:49:05,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:49:05,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-23 15:49:05,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2022-11-23 15:49:05,674 INFO L87 Difference]: Start difference. First operand 846 states and 1628 transitions. Second operand has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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) [2022-11-23 15:49:09,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:49:09,793 INFO L93 Difference]: Finished difference Result 1087 states and 2082 transitions. [2022-11-23 15:49:09,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-23 15:49:09,794 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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 [2022-11-23 15:49:09,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:49:09,795 INFO L225 Difference]: With dead ends: 1087 [2022-11-23 15:49:09,795 INFO L226 Difference]: Without dead ends: 1087 [2022-11-23 15:49:09,796 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=143, Invalid=319, Unknown=0, NotChecked=0, Total=462 [2022-11-23 15:49:09,796 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 101 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 890 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 940 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 890 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-11-23 15:49:09,797 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 85 Invalid, 940 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 890 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-11-23 15:49:09,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1087 states. [2022-11-23 15:49:09,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1087 to 848. [2022-11-23 15:49:09,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 848 states, 839 states have (on average 1.9451728247914184) internal successors, (1632), 847 states have internal predecessors, (1632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:49:09,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 848 states to 848 states and 1632 transitions. [2022-11-23 15:49:09,811 INFO L78 Accepts]: Start accepts. Automaton has 848 states and 1632 transitions. Word has length 24 [2022-11-23 15:49:09,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:49:09,811 INFO L495 AbstractCegarLoop]: Abstraction has 848 states and 1632 transitions. [2022-11-23 15:49:09,811 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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) [2022-11-23 15:49:09,812 INFO L276 IsEmpty]: Start isEmpty. Operand 848 states and 1632 transitions. [2022-11-23 15:49:09,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-23 15:49:09,813 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:49:09,813 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] [2022-11-23 15:49:09,813 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-11-23 15:49:09,813 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-23 15:49:09,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:49:09,814 INFO L85 PathProgramCache]: Analyzing trace with hash -505829589, now seen corresponding path program 10 times [2022-11-23 15:49:09,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:49:09,814 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374039177] [2022-11-23 15:49:09,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:49:09,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:49:09,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:49:10,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:49:10,992 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:49:10,992 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374039177] [2022-11-23 15:49:10,992 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [374039177] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:49:10,992 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:49:10,992 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-23 15:49:10,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670269107] [2022-11-23 15:49:10,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:49:10,993 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-23 15:49:10,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:49:10,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-23 15:49:10,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2022-11-23 15:49:10,993 INFO L87 Difference]: Start difference. First operand 848 states and 1632 transitions. Second operand has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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) [2022-11-23 15:49:14,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:49:14,362 INFO L93 Difference]: Finished difference Result 1102 states and 2112 transitions. [2022-11-23 15:49:14,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-23 15:49:14,362 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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 [2022-11-23 15:49:14,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:49:14,364 INFO L225 Difference]: With dead ends: 1102 [2022-11-23 15:49:14,364 INFO L226 Difference]: Without dead ends: 1102 [2022-11-23 15:49:14,364 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2022-11-23 15:49:14,364 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 98 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 729 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 768 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 729 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-11-23 15:49:14,364 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 65 Invalid, 768 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 729 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-11-23 15:49:14,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1102 states. [2022-11-23 15:49:14,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1102 to 858. [2022-11-23 15:49:14,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 858 states, 849 states have (on average 1.9458186101295643) internal successors, (1652), 857 states have internal predecessors, (1652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:49:14,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 858 states to 858 states and 1652 transitions. [2022-11-23 15:49:14,376 INFO L78 Accepts]: Start accepts. Automaton has 858 states and 1652 transitions. Word has length 24 [2022-11-23 15:49:14,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:49:14,376 INFO L495 AbstractCegarLoop]: Abstraction has 858 states and 1652 transitions. [2022-11-23 15:49:14,376 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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) [2022-11-23 15:49:14,376 INFO L276 IsEmpty]: Start isEmpty. Operand 858 states and 1652 transitions. [2022-11-23 15:49:14,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-23 15:49:14,377 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:49:14,378 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] [2022-11-23 15:49:14,378 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-11-23 15:49:14,378 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-23 15:49:14,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:49:14,378 INFO L85 PathProgramCache]: Analyzing trace with hash 606505303, now seen corresponding path program 11 times [2022-11-23 15:49:14,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:49:14,378 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238324260] [2022-11-23 15:49:14,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:49:14,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:49:14,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:49:15,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:49:15,486 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:49:15,486 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238324260] [2022-11-23 15:49:15,486 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [238324260] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:49:15,486 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:49:15,486 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-23 15:49:15,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744466366] [2022-11-23 15:49:15,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:49:15,487 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-23 15:49:15,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:49:15,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-23 15:49:15,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-11-23 15:49:15,487 INFO L87 Difference]: Start difference. First operand 858 states and 1652 transitions. Second operand has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 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) [2022-11-23 15:49:17,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:49:17,927 INFO L93 Difference]: Finished difference Result 933 states and 1777 transitions. [2022-11-23 15:49:17,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-23 15:49:17,927 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 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 [2022-11-23 15:49:17,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:49:17,929 INFO L225 Difference]: With dead ends: 933 [2022-11-23 15:49:17,929 INFO L226 Difference]: Without dead ends: 933 [2022-11-23 15:49:17,929 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=120, Invalid=300, Unknown=0, NotChecked=0, Total=420 [2022-11-23 15:49:17,930 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 107 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 655 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 704 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 655 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-23 15:49:17,930 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 68 Invalid, 704 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 655 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-11-23 15:49:17,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 933 states. [2022-11-23 15:49:17,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 933 to 853. [2022-11-23 15:49:17,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 853 states, 844 states have (on average 1.9454976303317535) internal successors, (1642), 852 states have internal predecessors, (1642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:49:17,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 853 states and 1642 transitions. [2022-11-23 15:49:17,943 INFO L78 Accepts]: Start accepts. Automaton has 853 states and 1642 transitions. Word has length 24 [2022-11-23 15:49:17,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:49:17,944 INFO L495 AbstractCegarLoop]: Abstraction has 853 states and 1642 transitions. [2022-11-23 15:49:17,944 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.4) internal successors, (24), 10 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) [2022-11-23 15:49:17,944 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 1642 transitions. [2022-11-23 15:49:17,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-23 15:49:17,945 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:49:17,945 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] [2022-11-23 15:49:17,945 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-11-23 15:49:17,946 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-23 15:49:17,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:49:17,946 INFO L85 PathProgramCache]: Analyzing trace with hash -1823931895, now seen corresponding path program 12 times [2022-11-23 15:49:17,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:49:17,946 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778292642] [2022-11-23 15:49:17,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:49:17,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:49:18,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:49:19,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:49:19,337 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:49:19,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778292642] [2022-11-23 15:49:19,337 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1778292642] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:49:19,337 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:49:19,337 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-23 15:49:19,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472756896] [2022-11-23 15:49:19,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:49:19,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-23 15:49:19,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:49:19,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-23 15:49:19,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2022-11-23 15:49:19,339 INFO L87 Difference]: Start difference. First operand 853 states and 1642 transitions. Second operand has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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) [2022-11-23 15:49:23,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:49:23,039 INFO L93 Difference]: Finished difference Result 1118 states and 2144 transitions. [2022-11-23 15:49:23,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-23 15:49:23,039 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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 [2022-11-23 15:49:23,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:49:23,041 INFO L225 Difference]: With dead ends: 1118 [2022-11-23 15:49:23,041 INFO L226 Difference]: Without dead ends: 1118 [2022-11-23 15:49:23,041 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=170, Invalid=382, Unknown=0, NotChecked=0, Total=552 [2022-11-23 15:49:23,042 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 110 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 847 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 902 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 847 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:49:23,042 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 67 Invalid, 902 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 847 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-11-23 15:49:23,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1118 states. [2022-11-23 15:49:23,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1118 to 855. [2022-11-23 15:49:23,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 855 states, 846 states have (on average 1.9456264775413712) internal successors, (1646), 854 states have internal predecessors, (1646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:49:23,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 855 states to 855 states and 1646 transitions. [2022-11-23 15:49:23,053 INFO L78 Accepts]: Start accepts. Automaton has 855 states and 1646 transitions. Word has length 24 [2022-11-23 15:49:23,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:49:23,053 INFO L495 AbstractCegarLoop]: Abstraction has 855 states and 1646 transitions. [2022-11-23 15:49:23,053 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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) [2022-11-23 15:49:23,053 INFO L276 IsEmpty]: Start isEmpty. Operand 855 states and 1646 transitions. [2022-11-23 15:49:23,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-23 15:49:23,054 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:49:23,054 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] [2022-11-23 15:49:23,054 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-11-23 15:49:23,055 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-23 15:49:23,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:49:23,055 INFO L85 PathProgramCache]: Analyzing trace with hash 1783628027, now seen corresponding path program 13 times [2022-11-23 15:49:23,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:49:23,055 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757603339] [2022-11-23 15:49:23,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:49:23,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:49:23,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:49:24,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:49:24,387 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:49:24,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757603339] [2022-11-23 15:49:24,388 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [757603339] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:49:24,388 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:49:24,388 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-23 15:49:24,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646867137] [2022-11-23 15:49:24,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:49:24,388 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-23 15:49:24,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:49:24,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-23 15:49:24,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2022-11-23 15:49:24,389 INFO L87 Difference]: Start difference. First operand 855 states and 1646 transitions. Second operand has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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) [2022-11-23 15:49:27,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:49:27,040 INFO L93 Difference]: Finished difference Result 1131 states and 2169 transitions. [2022-11-23 15:49:27,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-23 15:49:27,041 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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 [2022-11-23 15:49:27,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:49:27,042 INFO L225 Difference]: With dead ends: 1131 [2022-11-23 15:49:27,042 INFO L226 Difference]: Without dead ends: 1131 [2022-11-23 15:49:27,043 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=98, Invalid=244, Unknown=0, NotChecked=0, Total=342 [2022-11-23 15:49:27,043 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 101 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 606 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 657 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 606 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-23 15:49:27,043 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 61 Invalid, 657 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 606 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-23 15:49:27,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1131 states. [2022-11-23 15:49:27,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1131 to 870. [2022-11-23 15:49:27,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 870 states, 861 states have (on average 1.9465737514518002) internal successors, (1676), 869 states have internal predecessors, (1676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:49:27,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 870 states to 870 states and 1676 transitions. [2022-11-23 15:49:27,059 INFO L78 Accepts]: Start accepts. Automaton has 870 states and 1676 transitions. Word has length 24 [2022-11-23 15:49:27,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:49:27,059 INFO L495 AbstractCegarLoop]: Abstraction has 870 states and 1676 transitions. [2022-11-23 15:49:27,059 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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) [2022-11-23 15:49:27,060 INFO L276 IsEmpty]: Start isEmpty. Operand 870 states and 1676 transitions. [2022-11-23 15:49:27,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-23 15:49:27,060 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:49:27,060 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] [2022-11-23 15:49:27,060 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-11-23 15:49:27,061 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-23 15:49:27,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:49:27,061 INFO L85 PathProgramCache]: Analyzing trace with hash -1399004377, now seen corresponding path program 14 times [2022-11-23 15:49:27,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:49:27,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191470430] [2022-11-23 15:49:27,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:49:27,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:49:27,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:49:28,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:49:28,513 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:49:28,513 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191470430] [2022-11-23 15:49:28,513 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191470430] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:49:28,513 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:49:28,513 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-23 15:49:28,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480720847] [2022-11-23 15:49:28,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:49:28,514 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-23 15:49:28,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:49:28,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-23 15:49:28,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-11-23 15:49:28,515 INFO L87 Difference]: Start difference. First operand 870 states and 1676 transitions. Second operand has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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) [2022-11-23 15:49:31,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:49:31,943 INFO L93 Difference]: Finished difference Result 1131 states and 2170 transitions. [2022-11-23 15:49:31,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-23 15:49:31,944 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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 [2022-11-23 15:49:31,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:49:31,945 INFO L225 Difference]: With dead ends: 1131 [2022-11-23 15:49:31,945 INFO L226 Difference]: Without dead ends: 1131 [2022-11-23 15:49:31,946 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2022-11-23 15:49:31,946 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 76 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 686 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 733 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 686 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-11-23 15:49:31,947 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 64 Invalid, 733 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 686 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-11-23 15:49:31,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1131 states. [2022-11-23 15:49:31,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1131 to 870. [2022-11-23 15:49:31,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 870 states, 861 states have (on average 1.9465737514518002) internal successors, (1676), 869 states have internal predecessors, (1676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:49:31,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 870 states to 870 states and 1676 transitions. [2022-11-23 15:49:31,961 INFO L78 Accepts]: Start accepts. Automaton has 870 states and 1676 transitions. Word has length 24 [2022-11-23 15:49:31,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:49:31,962 INFO L495 AbstractCegarLoop]: Abstraction has 870 states and 1676 transitions. [2022-11-23 15:49:31,962 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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) [2022-11-23 15:49:31,962 INFO L276 IsEmpty]: Start isEmpty. Operand 870 states and 1676 transitions. [2022-11-23 15:49:31,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-23 15:49:31,964 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:49:31,964 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] [2022-11-23 15:49:31,964 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-11-23 15:49:31,964 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-23 15:49:31,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:49:31,965 INFO L85 PathProgramCache]: Analyzing trace with hash 465525721, now seen corresponding path program 15 times [2022-11-23 15:49:31,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:49:31,965 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10687646] [2022-11-23 15:49:31,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:49:31,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:49:32,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:49:33,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:49:33,371 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:49:33,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10687646] [2022-11-23 15:49:33,371 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10687646] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:49:33,371 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:49:33,372 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-23 15:49:33,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867167148] [2022-11-23 15:49:33,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:49:33,372 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-23 15:49:33,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:49:33,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-23 15:49:33,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-11-23 15:49:33,373 INFO L87 Difference]: Start difference. First operand 870 states and 1676 transitions. Second operand has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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) [2022-11-23 15:49:37,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:49:37,180 INFO L93 Difference]: Finished difference Result 1166 states and 2235 transitions. [2022-11-23 15:49:37,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-23 15:49:37,181 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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 [2022-11-23 15:49:37,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:49:37,182 INFO L225 Difference]: With dead ends: 1166 [2022-11-23 15:49:37,182 INFO L226 Difference]: Without dead ends: 1166 [2022-11-23 15:49:37,183 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=174, Invalid=426, Unknown=0, NotChecked=0, Total=600 [2022-11-23 15:49:37,183 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 112 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 982 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 1044 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 982 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:49:37,183 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 81 Invalid, 1044 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 982 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-11-23 15:49:37,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1166 states. [2022-11-23 15:49:37,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1166 to 839. [2022-11-23 15:49:37,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 839 states, 830 states have (on average 1.9445783132530121) internal successors, (1614), 838 states have internal predecessors, (1614), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:49:37,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 839 states to 839 states and 1614 transitions. [2022-11-23 15:49:37,200 INFO L78 Accepts]: Start accepts. Automaton has 839 states and 1614 transitions. Word has length 24 [2022-11-23 15:49:37,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:49:37,200 INFO L495 AbstractCegarLoop]: Abstraction has 839 states and 1614 transitions. [2022-11-23 15:49:37,200 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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) [2022-11-23 15:49:37,200 INFO L276 IsEmpty]: Start isEmpty. Operand 839 states and 1614 transitions. [2022-11-23 15:49:37,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-23 15:49:37,201 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:49:37,202 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] [2022-11-23 15:49:37,202 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-11-23 15:49:37,202 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-23 15:49:37,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:49:37,203 INFO L85 PathProgramCache]: Analyzing trace with hash 595300297, now seen corresponding path program 16 times [2022-11-23 15:49:37,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:49:37,203 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536637617] [2022-11-23 15:49:37,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:49:37,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:49:37,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:49:38,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:49:38,692 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:49:38,692 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536637617] [2022-11-23 15:49:38,693 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536637617] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:49:38,693 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:49:38,693 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-23 15:49:38,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549777032] [2022-11-23 15:49:38,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:49:38,693 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-23 15:49:38,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:49:38,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-23 15:49:38,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2022-11-23 15:49:38,694 INFO L87 Difference]: Start difference. First operand 839 states and 1614 transitions. Second operand has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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) [2022-11-23 15:49:42,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:49:42,463 INFO L93 Difference]: Finished difference Result 1155 states and 2211 transitions. [2022-11-23 15:49:42,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-23 15:49:42,463 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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 [2022-11-23 15:49:42,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:49:42,465 INFO L225 Difference]: With dead ends: 1155 [2022-11-23 15:49:42,465 INFO L226 Difference]: Without dead ends: 1155 [2022-11-23 15:49:42,465 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=200, Invalid=450, Unknown=0, NotChecked=0, Total=650 [2022-11-23 15:49:42,466 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 102 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 931 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 1001 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 931 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:49:42,466 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 89 Invalid, 1001 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 931 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-11-23 15:49:42,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1155 states. [2022-11-23 15:49:42,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1155 to 834. [2022-11-23 15:49:42,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 834 states, 825 states have (on average 1.9442424242424243) internal successors, (1604), 833 states have internal predecessors, (1604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:49:42,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 834 states to 834 states and 1604 transitions. [2022-11-23 15:49:42,478 INFO L78 Accepts]: Start accepts. Automaton has 834 states and 1604 transitions. Word has length 24 [2022-11-23 15:49:42,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:49:42,478 INFO L495 AbstractCegarLoop]: Abstraction has 834 states and 1604 transitions. [2022-11-23 15:49:42,478 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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) [2022-11-23 15:49:42,479 INFO L276 IsEmpty]: Start isEmpty. Operand 834 states and 1604 transitions. [2022-11-23 15:49:42,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-23 15:49:42,480 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:49:42,480 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] [2022-11-23 15:49:42,480 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-11-23 15:49:42,480 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-23 15:49:42,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:49:42,481 INFO L85 PathProgramCache]: Analyzing trace with hash -388109119, now seen corresponding path program 17 times [2022-11-23 15:49:42,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:49:42,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297934499] [2022-11-23 15:49:42,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:49:42,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:49:42,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:49:43,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:49:43,404 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:49:43,404 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297934499] [2022-11-23 15:49:43,404 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297934499] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:49:43,404 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:49:43,404 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-23 15:49:43,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066810136] [2022-11-23 15:49:43,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:49:43,404 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-23 15:49:43,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:49:43,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-23 15:49:43,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2022-11-23 15:49:43,405 INFO L87 Difference]: Start difference. First operand 834 states and 1604 transitions. Second operand has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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) [2022-11-23 15:49:46,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:49:46,694 INFO L93 Difference]: Finished difference Result 1702 states and 3275 transitions. [2022-11-23 15:49:46,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-23 15:49:46,694 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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 [2022-11-23 15:49:46,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:49:46,696 INFO L225 Difference]: With dead ends: 1702 [2022-11-23 15:49:46,696 INFO L226 Difference]: Without dead ends: 1702 [2022-11-23 15:49:46,697 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=173, Invalid=529, Unknown=0, NotChecked=0, Total=702 [2022-11-23 15:49:46,697 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 200 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 1351 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 1366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-11-23 15:49:46,697 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [200 Valid, 176 Invalid, 1366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1351 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-11-23 15:49:46,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1702 states. [2022-11-23 15:49:46,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1702 to 862. [2022-11-23 15:49:46,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 862 states, 853 states have (on average 1.9460726846424385) internal successors, (1660), 861 states have internal predecessors, (1660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:49:46,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 862 states to 862 states and 1660 transitions. [2022-11-23 15:49:46,711 INFO L78 Accepts]: Start accepts. Automaton has 862 states and 1660 transitions. Word has length 24 [2022-11-23 15:49:46,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:49:46,712 INFO L495 AbstractCegarLoop]: Abstraction has 862 states and 1660 transitions. [2022-11-23 15:49:46,712 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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) [2022-11-23 15:49:46,712 INFO L276 IsEmpty]: Start isEmpty. Operand 862 states and 1660 transitions. [2022-11-23 15:49:46,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-23 15:49:46,713 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:49:46,714 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] [2022-11-23 15:49:46,714 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-11-23 15:49:46,714 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-23 15:49:46,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:49:46,715 INFO L85 PathProgramCache]: Analyzing trace with hash -343118551, now seen corresponding path program 18 times [2022-11-23 15:49:46,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:49:46,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119500066] [2022-11-23 15:49:46,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:49:46,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:49:46,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:49:47,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:49:47,725 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:49:47,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119500066] [2022-11-23 15:49:47,725 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119500066] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:49:47,725 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:49:47,725 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-23 15:49:47,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818800345] [2022-11-23 15:49:47,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:49:47,726 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-23 15:49:47,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:49:47,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-23 15:49:47,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2022-11-23 15:49:47,727 INFO L87 Difference]: Start difference. First operand 862 states and 1660 transitions. Second operand has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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) [2022-11-23 15:49:50,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:49:50,334 INFO L93 Difference]: Finished difference Result 1535 states and 2986 transitions. [2022-11-23 15:49:50,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-23 15:49:50,334 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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 [2022-11-23 15:49:50,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:49:50,336 INFO L225 Difference]: With dead ends: 1535 [2022-11-23 15:49:50,336 INFO L226 Difference]: Without dead ends: 1535 [2022-11-23 15:49:50,336 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=86, Invalid=294, Unknown=0, NotChecked=0, Total=380 [2022-11-23 15:49:50,336 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 159 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 946 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 991 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 946 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-23 15:49:50,337 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 163 Invalid, 991 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 946 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-23 15:49:50,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1535 states. [2022-11-23 15:49:50,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1535 to 862. [2022-11-23 15:49:50,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 862 states, 853 states have (on average 1.9460726846424385) internal successors, (1660), 861 states have internal predecessors, (1660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:49:50,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 862 states to 862 states and 1660 transitions. [2022-11-23 15:49:50,349 INFO L78 Accepts]: Start accepts. Automaton has 862 states and 1660 transitions. Word has length 24 [2022-11-23 15:49:50,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:49:50,349 INFO L495 AbstractCegarLoop]: Abstraction has 862 states and 1660 transitions. [2022-11-23 15:49:50,349 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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) [2022-11-23 15:49:50,350 INFO L276 IsEmpty]: Start isEmpty. Operand 862 states and 1660 transitions. [2022-11-23 15:49:50,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-23 15:49:50,351 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:49:50,351 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] [2022-11-23 15:49:50,351 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-11-23 15:49:50,351 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-23 15:49:50,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:49:50,352 INFO L85 PathProgramCache]: Analyzing trace with hash 1393659181, now seen corresponding path program 19 times [2022-11-23 15:49:50,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:49:50,352 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173735662] [2022-11-23 15:49:50,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:49:50,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:49:50,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:49:51,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:49:51,441 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:49:51,441 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173735662] [2022-11-23 15:49:51,441 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1173735662] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:49:51,441 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:49:51,442 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-23 15:49:51,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58655693] [2022-11-23 15:49:51,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:49:51,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-23 15:49:51,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:49:51,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-23 15:49:51,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2022-11-23 15:49:51,443 INFO L87 Difference]: Start difference. First operand 862 states and 1660 transitions. Second operand has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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) [2022-11-23 15:49:54,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:49:54,614 INFO L93 Difference]: Finished difference Result 1531 states and 2980 transitions. [2022-11-23 15:49:54,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-23 15:49:54,614 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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 [2022-11-23 15:49:54,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:49:54,616 INFO L225 Difference]: With dead ends: 1531 [2022-11-23 15:49:54,616 INFO L226 Difference]: Without dead ends: 1531 [2022-11-23 15:49:54,616 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=87, Invalid=293, Unknown=0, NotChecked=0, Total=380 [2022-11-23 15:49:54,617 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 134 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 1166 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 1202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 1166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-11-23 15:49:54,617 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 190 Invalid, 1202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 1166 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-11-23 15:49:54,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1531 states. [2022-11-23 15:49:54,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1531 to 862. [2022-11-23 15:49:54,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 862 states, 853 states have (on average 1.9460726846424385) internal successors, (1660), 861 states have internal predecessors, (1660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:49:54,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 862 states to 862 states and 1660 transitions. [2022-11-23 15:49:54,630 INFO L78 Accepts]: Start accepts. Automaton has 862 states and 1660 transitions. Word has length 24 [2022-11-23 15:49:54,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:49:54,630 INFO L495 AbstractCegarLoop]: Abstraction has 862 states and 1660 transitions. [2022-11-23 15:49:54,630 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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) [2022-11-23 15:49:54,631 INFO L276 IsEmpty]: Start isEmpty. Operand 862 states and 1660 transitions. [2022-11-23 15:49:54,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-23 15:49:54,632 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:49:54,632 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] [2022-11-23 15:49:54,632 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-11-23 15:49:54,632 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-23 15:49:54,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:49:54,633 INFO L85 PathProgramCache]: Analyzing trace with hash 1338842567, now seen corresponding path program 20 times [2022-11-23 15:49:54,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:49:54,633 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190185693] [2022-11-23 15:49:54,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:49:54,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:49:54,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:49:55,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:49:55,409 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:49:55,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190185693] [2022-11-23 15:49:55,410 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190185693] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:49:55,410 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:49:55,410 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-23 15:49:55,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763899373] [2022-11-23 15:49:55,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:49:55,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-23 15:49:55,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:49:55,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-23 15:49:55,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2022-11-23 15:49:55,411 INFO L87 Difference]: Start difference. First operand 862 states and 1660 transitions. Second operand has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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) [2022-11-23 15:49:57,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:49:57,637 INFO L93 Difference]: Finished difference Result 1488 states and 2898 transitions. [2022-11-23 15:49:57,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-23 15:49:57,638 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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 [2022-11-23 15:49:57,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:49:57,640 INFO L225 Difference]: With dead ends: 1488 [2022-11-23 15:49:57,640 INFO L226 Difference]: Without dead ends: 1488 [2022-11-23 15:49:57,641 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=110, Invalid=310, Unknown=0, NotChecked=0, Total=420 [2022-11-23 15:49:57,641 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 152 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 755 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 801 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 755 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-23 15:49:57,641 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 153 Invalid, 801 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 755 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-23 15:49:57,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1488 states. [2022-11-23 15:49:57,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1488 to 838. [2022-11-23 15:49:57,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 838 states, 829 states have (on average 1.9445114595898674) internal successors, (1612), 837 states have internal predecessors, (1612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:49:57,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1612 transitions. [2022-11-23 15:49:57,659 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1612 transitions. Word has length 24 [2022-11-23 15:49:57,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:49:57,659 INFO L495 AbstractCegarLoop]: Abstraction has 838 states and 1612 transitions. [2022-11-23 15:49:57,659 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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) [2022-11-23 15:49:57,659 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1612 transitions. [2022-11-23 15:49:57,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-23 15:49:57,661 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:49:57,661 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] [2022-11-23 15:49:57,661 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-11-23 15:49:57,661 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-23 15:49:57,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:49:57,662 INFO L85 PathProgramCache]: Analyzing trace with hash 328767759, now seen corresponding path program 21 times [2022-11-23 15:49:57,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:49:57,662 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778739601] [2022-11-23 15:49:57,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:49:57,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:49:57,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:49:58,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:49:58,696 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:49:58,696 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778739601] [2022-11-23 15:49:58,696 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1778739601] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:49:58,696 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:49:58,696 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-23 15:49:58,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195581658] [2022-11-23 15:49:58,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:49:58,697 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-23 15:49:58,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:49:58,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-23 15:49:58,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2022-11-23 15:49:58,697 INFO L87 Difference]: Start difference. First operand 838 states and 1612 transitions. Second operand has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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) [2022-11-23 15:50:01,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:50:01,510 INFO L93 Difference]: Finished difference Result 1820 states and 3470 transitions. [2022-11-23 15:50:01,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-23 15:50:01,511 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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 [2022-11-23 15:50:01,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:50:01,514 INFO L225 Difference]: With dead ends: 1820 [2022-11-23 15:50:01,514 INFO L226 Difference]: Without dead ends: 1820 [2022-11-23 15:50:01,514 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 136 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=183, Invalid=573, Unknown=0, NotChecked=0, Total=756 [2022-11-23 15:50:01,515 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 254 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 910 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 922 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 910 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-23 15:50:01,515 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [254 Valid, 147 Invalid, 922 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 910 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-23 15:50:01,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1820 states. [2022-11-23 15:50:01,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1820 to 809. [2022-11-23 15:50:01,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 809 states, 800 states have (on average 1.9425) internal successors, (1554), 808 states have internal predecessors, (1554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:50:01,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 809 states and 1554 transitions. [2022-11-23 15:50:01,529 INFO L78 Accepts]: Start accepts. Automaton has 809 states and 1554 transitions. Word has length 24 [2022-11-23 15:50:01,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:50:01,529 INFO L495 AbstractCegarLoop]: Abstraction has 809 states and 1554 transitions. [2022-11-23 15:50:01,529 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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) [2022-11-23 15:50:01,529 INFO L276 IsEmpty]: Start isEmpty. Operand 809 states and 1554 transitions. [2022-11-23 15:50:01,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-23 15:50:01,530 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:50:01,531 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] [2022-11-23 15:50:01,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-11-23 15:50:01,531 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-23 15:50:01,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:50:01,532 INFO L85 PathProgramCache]: Analyzing trace with hash 2144271486, now seen corresponding path program 1 times [2022-11-23 15:50:01,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:50:01,532 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21885429] [2022-11-23 15:50:01,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:50:01,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:50:01,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:50:02,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:50:02,231 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:50:02,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21885429] [2022-11-23 15:50:02,231 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21885429] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:50:02,231 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:50:02,231 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-23 15:50:02,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615486514] [2022-11-23 15:50:02,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:50:02,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-23 15:50:02,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:50:02,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-23 15:50:02,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-11-23 15:50:02,233 INFO L87 Difference]: Start difference. First operand 809 states and 1554 transitions. Second operand has 11 states, 10 states have (on average 2.5) internal successors, (25), 10 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) [2022-11-23 15:50:04,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:50:04,967 INFO L93 Difference]: Finished difference Result 1768 states and 3400 transitions. [2022-11-23 15:50:04,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-23 15:50:04,967 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.5) internal successors, (25), 10 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 [2022-11-23 15:50:04,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:50:04,970 INFO L225 Difference]: With dead ends: 1768 [2022-11-23 15:50:04,970 INFO L226 Difference]: Without dead ends: 1768 [2022-11-23 15:50:04,970 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=144, Invalid=506, Unknown=0, NotChecked=0, Total=650 [2022-11-23 15:50:04,976 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 173 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 1296 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 1327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 1296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-23 15:50:04,977 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 291 Invalid, 1327 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 1296 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-11-23 15:50:04,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1768 states. [2022-11-23 15:50:04,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1768 to 769. [2022-11-23 15:50:04,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 769 states, 760 states have (on average 1.9394736842105262) internal successors, (1474), 768 states have internal predecessors, (1474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:50:04,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 769 states to 769 states and 1474 transitions. [2022-11-23 15:50:04,990 INFO L78 Accepts]: Start accepts. Automaton has 769 states and 1474 transitions. Word has length 25 [2022-11-23 15:50:04,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:50:04,991 INFO L495 AbstractCegarLoop]: Abstraction has 769 states and 1474 transitions. [2022-11-23 15:50:04,991 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.5) internal successors, (25), 10 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) [2022-11-23 15:50:04,991 INFO L276 IsEmpty]: Start isEmpty. Operand 769 states and 1474 transitions. [2022-11-23 15:50:04,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-23 15:50:04,992 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:50:04,992 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] [2022-11-23 15:50:04,992 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-11-23 15:50:04,992 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-23 15:50:04,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:50:04,993 INFO L85 PathProgramCache]: Analyzing trace with hash -1402349072, now seen corresponding path program 2 times [2022-11-23 15:50:04,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:50:04,993 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022150211] [2022-11-23 15:50:04,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:50:04,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:50:05,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:50:05,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:50:05,774 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:50:05,774 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022150211] [2022-11-23 15:50:05,774 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022150211] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:50:05,774 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:50:05,774 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-23 15:50:05,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123570662] [2022-11-23 15:50:05,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:50:05,774 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-23 15:50:05,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:50:05,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-23 15:50:05,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2022-11-23 15:50:05,775 INFO L87 Difference]: Start difference. First operand 769 states and 1474 transitions. Second operand has 12 states, 11 states have (on average 2.272727272727273) internal successors, (25), 11 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) [2022-11-23 15:50:08,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:50:08,600 INFO L93 Difference]: Finished difference Result 1422 states and 2724 transitions. [2022-11-23 15:50:08,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-23 15:50:08,601 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.272727272727273) internal successors, (25), 11 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 [2022-11-23 15:50:08,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:50:08,603 INFO L225 Difference]: With dead ends: 1422 [2022-11-23 15:50:08,603 INFO L226 Difference]: Without dead ends: 1422 [2022-11-23 15:50:08,603 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=180, Invalid=522, Unknown=0, NotChecked=0, Total=702 [2022-11-23 15:50:08,603 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 210 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 1154 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 1186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 1154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-23 15:50:08,604 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 146 Invalid, 1186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 1154 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-11-23 15:50:08,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1422 states. [2022-11-23 15:50:08,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1422 to 679. [2022-11-23 15:50:08,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 679 states, 671 states have (on average 1.9359165424739195) internal successors, (1299), 678 states have internal predecessors, (1299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:50:08,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 679 states and 1299 transitions. [2022-11-23 15:50:08,615 INFO L78 Accepts]: Start accepts. Automaton has 679 states and 1299 transitions. Word has length 25 [2022-11-23 15:50:08,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:50:08,615 INFO L495 AbstractCegarLoop]: Abstraction has 679 states and 1299 transitions. [2022-11-23 15:50:08,615 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.272727272727273) internal successors, (25), 11 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) [2022-11-23 15:50:08,615 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 1299 transitions. [2022-11-23 15:50:08,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-23 15:50:08,616 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:50:08,616 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] [2022-11-23 15:50:08,616 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-11-23 15:50:08,616 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting t_funErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-23 15:50:08,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:50:08,617 INFO L85 PathProgramCache]: Analyzing trace with hash 605895148, now seen corresponding path program 1 times [2022-11-23 15:50:08,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:50:08,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237115790] [2022-11-23 15:50:08,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:50:08,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:50:08,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:50:08,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:50:08,910 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:50:08,910 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237115790] [2022-11-23 15:50:08,910 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [237115790] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:50:08,910 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:50:08,910 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 15:50:08,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032392240] [2022-11-23 15:50:08,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:50:08,911 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 15:50:08,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:50:08,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 15:50:08,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-23 15:50:08,912 INFO L87 Difference]: Start difference. First operand 679 states and 1299 transitions. Second operand has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 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) [2022-11-23 15:50:10,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:50:10,143 INFO L93 Difference]: Finished difference Result 754 states and 1437 transitions. [2022-11-23 15:50:10,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 15:50:10,144 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 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 [2022-11-23 15:50:10,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:50:10,145 INFO L225 Difference]: With dead ends: 754 [2022-11-23 15:50:10,145 INFO L226 Difference]: Without dead ends: 754 [2022-11-23 15:50:10,145 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-23 15:50:10,146 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 36 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 283 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-23 15:50:10,146 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 36 Invalid, 300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 283 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-23 15:50:10,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 754 states. [2022-11-23 15:50:10,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 754 to 726. [2022-11-23 15:50:10,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 726 states, 718 states have (on average 1.934540389972145) internal successors, (1389), 725 states have internal predecessors, (1389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:50:10,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 726 states to 726 states and 1389 transitions. [2022-11-23 15:50:10,159 INFO L78 Accepts]: Start accepts. Automaton has 726 states and 1389 transitions. Word has length 27 [2022-11-23 15:50:10,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:50:10,159 INFO L495 AbstractCegarLoop]: Abstraction has 726 states and 1389 transitions. [2022-11-23 15:50:10,159 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 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) [2022-11-23 15:50:10,159 INFO L276 IsEmpty]: Start isEmpty. Operand 726 states and 1389 transitions. [2022-11-23 15:50:10,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-23 15:50:10,160 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:50:10,160 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, 1, 1, 1, 1, 1] [2022-11-23 15:50:10,161 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-11-23 15:50:10,161 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-11-23 15:50:10,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:50:10,161 INFO L85 PathProgramCache]: Analyzing trace with hash 1807263455, now seen corresponding path program 1 times [2022-11-23 15:50:10,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:50:10,162 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716051159] [2022-11-23 15:50:10,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:50:10,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:50:10,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 15:50:10,235 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 15:50:10,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 15:50:10,296 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-23 15:50:10,296 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-23 15:50:10,297 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (29 of 30 remaining) [2022-11-23 15:50:10,299 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (28 of 30 remaining) [2022-11-23 15:50:10,300 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (27 of 30 remaining) [2022-11-23 15:50:10,300 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (26 of 30 remaining) [2022-11-23 15:50:10,300 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (25 of 30 remaining) [2022-11-23 15:50:10,300 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (24 of 30 remaining) [2022-11-23 15:50:10,301 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (23 of 30 remaining) [2022-11-23 15:50:10,301 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (22 of 30 remaining) [2022-11-23 15:50:10,301 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (21 of 30 remaining) [2022-11-23 15:50:10,301 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (20 of 30 remaining) [2022-11-23 15:50:10,302 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (19 of 30 remaining) [2022-11-23 15:50:10,302 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (18 of 30 remaining) [2022-11-23 15:50:10,302 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (17 of 30 remaining) [2022-11-23 15:50:10,302 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (16 of 30 remaining) [2022-11-23 15:50:10,302 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (15 of 30 remaining) [2022-11-23 15:50:10,303 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (14 of 30 remaining) [2022-11-23 15:50:10,303 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (13 of 30 remaining) [2022-11-23 15:50:10,303 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (12 of 30 remaining) [2022-11-23 15:50:10,303 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (11 of 30 remaining) [2022-11-23 15:50:10,304 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (10 of 30 remaining) [2022-11-23 15:50:10,304 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONDATA_RACE (9 of 30 remaining) [2022-11-23 15:50:10,304 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr5ASSERT_VIOLATIONDATA_RACE (8 of 30 remaining) [2022-11-23 15:50:10,304 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr6ASSERT_VIOLATIONDATA_RACE (7 of 30 remaining) [2022-11-23 15:50:10,305 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (6 of 30 remaining) [2022-11-23 15:50:10,305 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (5 of 30 remaining) [2022-11-23 15:50:10,305 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (4 of 30 remaining) [2022-11-23 15:50:10,305 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (3 of 30 remaining) [2022-11-23 15:50:10,306 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONDATA_RACE (2 of 30 remaining) [2022-11-23 15:50:10,306 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr5ASSERT_VIOLATIONDATA_RACE (1 of 30 remaining) [2022-11-23 15:50:10,306 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr6ASSERT_VIOLATIONDATA_RACE (0 of 30 remaining) [2022-11-23 15:50:10,306 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2022-11-23 15:50:10,309 INFO L444 BasicCegarLoop]: Path program histogram: [21, 6, 5, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:50:10,315 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-23 15:50:10,316 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 15:50:10,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:50:10 BasicIcfg [2022-11-23 15:50:10,406 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 15:50:10,407 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 15:50:10,407 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 15:50:10,407 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 15:50:10,408 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:39:40" (3/4) ... [2022-11-23 15:50:10,411 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-23 15:50:10,411 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 15:50:10,412 INFO L158 Benchmark]: Toolchain (without parser) took 632104.02ms. Allocated memory was 140.5MB in the beginning and 553.6MB in the end (delta: 413.1MB). Free memory was 97.4MB in the beginning and 473.0MB in the end (delta: -375.6MB). Peak memory consumption was 38.5MB. Max. memory is 16.1GB. [2022-11-23 15:50:10,412 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 140.5MB. Free memory is still 109.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 15:50:10,412 INFO L158 Benchmark]: CACSL2BoogieTranslator took 900.63ms. Allocated memory is still 140.5MB. Free memory was 97.4MB in the beginning and 58.0MB in the end (delta: 39.4MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2022-11-23 15:50:10,412 INFO L158 Benchmark]: Boogie Procedure Inliner took 105.77ms. Allocated memory is still 140.5MB. Free memory was 58.0MB in the beginning and 54.4MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 15:50:10,413 INFO L158 Benchmark]: Boogie Preprocessor took 80.43ms. Allocated memory is still 140.5MB. Free memory was 54.4MB in the beginning and 51.2MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-23 15:50:10,414 INFO L158 Benchmark]: RCFGBuilder took 900.27ms. Allocated memory was 140.5MB in the beginning and 182.5MB in the end (delta: 41.9MB). Free memory was 51.2MB in the beginning and 135.6MB in the end (delta: -84.4MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. [2022-11-23 15:50:10,414 INFO L158 Benchmark]: TraceAbstraction took 630103.73ms. Allocated memory was 182.5MB in the beginning and 553.6MB in the end (delta: 371.2MB). Free memory was 134.6MB in the beginning and 473.0MB in the end (delta: -338.4MB). Peak memory consumption was 31.8MB. Max. memory is 16.1GB. [2022-11-23 15:50:10,419 INFO L158 Benchmark]: Witness Printer took 4.25ms. Allocated memory is still 553.6MB. Free memory is still 473.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 15:50:10,423 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 140.5MB. Free memory is still 109.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 900.63ms. Allocated memory is still 140.5MB. Free memory was 97.4MB in the beginning and 58.0MB in the end (delta: 39.4MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 105.77ms. Allocated memory is still 140.5MB. Free memory was 58.0MB in the beginning and 54.4MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 80.43ms. Allocated memory is still 140.5MB. Free memory was 54.4MB in the beginning and 51.2MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 900.27ms. Allocated memory was 140.5MB in the beginning and 182.5MB in the end (delta: 41.9MB). Free memory was 51.2MB in the beginning and 135.6MB in the end (delta: -84.4MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. * TraceAbstraction took 630103.73ms. Allocated memory was 182.5MB in the beginning and 553.6MB in the end (delta: 371.2MB). Free memory was 134.6MB in the beginning and 473.0MB in the end (delta: -338.4MB). Peak memory consumption was 31.8MB. Max. memory is 16.1GB. * Witness Printer took 4.25ms. Allocated memory is still 553.6MB. Free memory is still 473.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 446.6s, 249 PlacesBefore, 76 PlacesAfterwards, 245 TransitionsBefore, 72 TransitionsAfterwards, 4760 CoEnabledTransitionPairs, 21 FixpointIterations, 185 TrivialSequentialCompositions, 87 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 272 TotalNumberOfCompositions, 61094 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 13168, independent: 10910, independent conditional: 0, independent unconditional: 10910, dependent: 2258, dependent conditional: 0, dependent unconditional: 2258, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3281, independent: 3151, independent conditional: 0, independent unconditional: 3151, dependent: 130, dependent conditional: 0, dependent unconditional: 130, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3281, independent: 2680, independent conditional: 0, independent unconditional: 2680, dependent: 601, dependent conditional: 0, dependent unconditional: 601, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 601, independent: 471, independent conditional: 0, independent unconditional: 471, dependent: 130, dependent conditional: 0, dependent unconditional: 130, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 856, independent: 472, independent conditional: 0, independent unconditional: 472, dependent: 384, dependent conditional: 0, dependent unconditional: 384, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 13168, independent: 7759, independent conditional: 0, independent unconditional: 7759, dependent: 2128, dependent conditional: 0, dependent unconditional: 2128, unknown: 3281, unknown conditional: 0, unknown unconditional: 3281] , Statistics on independence cache: Total cache size (in pairs): 462, Positive cache size: 371, Positive conditional cache size: 0, Positive unconditional cache size: 371, Negative cache size: 91, Negative conditional cache size: 0, Negative unconditional cache size: 91, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - DataRaceFoundResult [Line: 1261]: Data race detected Data race detected The following path leads to a data race: [L1224-L1227] 0 struct s { int datum; struct s *next; } *A, *B; [L1232] 0 pthread_mutex_t A_mutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L1233] 0 pthread_mutex_t B_mutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L1247] 0 pthread_t t1; [L1248] 0 int *ip; [L1249] 0 struct s *sp; [L1250] 0 struct s *p = malloc(sizeof(struct s)); [L1251] CALL 0 init(p,9) [L1229] 0 p -> datum = x [L1230] 0 p -> next = ((void *)0) [L1251] RET 0 init(p,9) [L1252] 0 A = malloc(sizeof(struct s)) [L1253] 0 init(A,3) [L1253] CALL 0 init(A,3) [L1229] 0 p -> datum = x [L1230] 0 p -> next = ((void *)0) [L1253] RET 0 init(A,3) [L1254] EXPR 0 A->next [L1254] 0 A->next = p [L1255] 0 B = malloc(sizeof(struct s)) [L1256] 0 init(B,5) [L1256] CALL 0 init(B,5) [L1229] 0 p -> datum = x [L1230] 0 p -> next = ((void *)0) [L1256] RET 0 init(B,5) [L1257] FCALL, FORK 0 pthread_create(&t1, ((void *)0), t_fun, ((void *)0)) VAL [A={11:0}, A_mutex={1:0}, B={-3:0}, B_mutex={2:0}, p={-2:0}, pthread_create(&t1, ((void *)0), t_fun, ((void *)0))=-1, t1={13:0}] [L1235] 1 int *ip; [L1236] 1 struct s *t, *sp = __VERIFIER_nondet_pointer(); [L1237] 1 struct s *p = malloc(sizeof(struct s)); [L1238] CALL 1 init(p,7) [L1229] 1 p -> datum = x VAL [#in~p={-3:0}, #in~p={-4:0}, A={11:0}, A_mutex={1:0}, B={-3:0}, B_mutex={2:0}, p={-3:0}, p={-4:0}, p -> datum = x=45, unknown-#in~x-unknown=7, unknown-#in~x-unknown=5, x=7, x=5] [L1258] 0 ip = &p->datum [L1259] 0 sp = ((struct s *)((char *)(ip)-(unsigned long)(&((struct s *)0)->datum))) [L1261] EXPR 0 A->next VAL [A={11:0}, A->next={-2:0}, A_mutex={1:0}, B={-3:0}, B_mutex={2:0}, ip={-2:0}, p={-2:0}, sp={-2:0}, t1={13:0}] [L1261] 0 p = A->next VAL [A={11:0}, A->next={-2:0}, A_mutex={1:0}, B={-3:0}, B_mutex={2:0}, ip={-2:0}, p={-2:0}, sp={-2:0}, t1={13:0}] [L1229] 1 p -> datum = x VAL [#in~p={-3:0}, #in~p={-4:0}, A={11:0}, A_mutex={1:0}, B={-3:0}, B_mutex={2:0}, p={-3:0}, p={-4:0}, unknown-#in~x-unknown=5, unknown-#in~x-unknown=7, x=7, x=5] [L1230] 1 p -> next = ((void *)0) VAL [#in~p={-3:0}, #in~p={-4:0}, A={11:0}, A_mutex={1:0}, B={-3:0}, B_mutex={2:0}, p={-4:0}, p={-3:0}, unknown-#in~x-unknown=7, unknown-#in~x-unknown=5, x=7, x=5] [L1238] RET 1 init(p,7) [L1240] EXPR 1 A->next [L1240] 1 t = A->next [L1241] EXPR 1 A->next [L1241] 1 A->next = sp VAL [#in~arg={0:0}, A={11:0}, A->next = sp=48, A_mutex={1:0}, arg={0:0}, B={-3:0}, B_mutex={2:0}, p={-4:0}, sp={32:40}, t={-2:0}] [L1261] 0 p = A->next VAL [A={11:0}, A->next={-2:0}, A_mutex={1:0}, B={-3:0}, B_mutex={2:0}, ip={-2:0}, p={-2:0}, sp={-2:0}, t1={13:0}] Now there is a data race, but we were unable to determine exactly which statements and variables are involved. There could be a race between one of the statements * C: p -> datum = x [1229] * C: p -> next = ((void *)0) [1230] * C: A->next = p [1254] * C: p -> next = ((void *)0) [1230] * C: p -> datum = x [1229] * C: p -> datum = x [1229] * C: A->next = p [1254] * C: p -> next = ((void *)0) [1230] * C: A = malloc(sizeof(struct s)) [1252] * C: B = malloc(sizeof(struct s)) [1255] * C: p -> datum = x [1229] * C: p -> next = ((void *)0) [1230] * C: A->next = p [1254] * C: A->next = sp [1241] * C: A->next = p [1254] and C: p = A->next [1261] - UnprovableResult [Line: 1229]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1230]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1252]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1253]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1229]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1230]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1254]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1254]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1255]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1256]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1229]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1230]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1261]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1262]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1257]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 1229]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1230]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1240]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1240]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1241]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1241]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1242]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 318 locations, 30 error locations. Started 1 CEGAR loops. OverallTime: 629.8s, OverallIterations: 50, TraceHistogramMax: 1, PathProgramHistogramMax: 21, EmptinessCheckTime: 0.1s, AutomataDifference: 133.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 446.7s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8089 SdHoareTripleChecker+Valid, 119.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8089 mSDsluCounter, 4942 SdHoareTripleChecker+Invalid, 114.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3392 mSDsCounter, 2820 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 43165 IncrementalHoareTripleChecker+Invalid, 45985 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2820 mSolverCounterUnsat, 1550 mSDtfsCounter, 43165 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 975 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 882 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3486 ImplicationChecksByTransitivity, 18.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1045occurred in iteration=13, InterpolantAutomatonStates: 790, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 49 MinimizatonAttempts, 25098 StatesRemovedByMinimization, 46 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 45.0s InterpolantComputationTime, 979 NumberOfCodeBlocks, 979 NumberOfCodeBlocksAsserted, 50 NumberOfCheckSat, 900 ConstructedInterpolants, 0 QuantifiedInterpolants, 20552 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 49 InterpolantComputations, 49 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-11-23 15:50:10,552 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d8b72e5-b2d4-4b4f-ba6c-4f4ee1ca759a/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE