./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_46-escape_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1441ca74-6eef-4658-9c1e-5b392dc043d4/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1441ca74-6eef-4658-9c1e-5b392dc043d4/bin/utaipan-6cKwYrpEi9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1441ca74-6eef-4658-9c1e-5b392dc043d4/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1441ca74-6eef-4658-9c1e-5b392dc043d4/bin/utaipan-6cKwYrpEi9/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_46-escape_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1441ca74-6eef-4658-9c1e-5b392dc043d4/bin/utaipan-6cKwYrpEi9/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1441ca74-6eef-4658-9c1e-5b392dc043d4/bin/utaipan-6cKwYrpEi9 --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 b71c523f20411078d17c9943b891d34ddfc00131917c4009fb579cdffacef23c --- 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-6b4ec56 [2022-11-20 20:16:09,286 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 20:16:09,289 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 20:16:09,329 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 20:16:09,329 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 20:16:09,333 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 20:16:09,336 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 20:16:09,339 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 20:16:09,341 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 20:16:09,347 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 20:16:09,348 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 20:16:09,351 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 20:16:09,351 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 20:16:09,354 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 20:16:09,355 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 20:16:09,357 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 20:16:09,358 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 20:16:09,360 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 20:16:09,361 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 20:16:09,367 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 20:16:09,369 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 20:16:09,371 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 20:16:09,372 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 20:16:09,373 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 20:16:09,384 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 20:16:09,384 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 20:16:09,384 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 20:16:09,386 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 20:16:09,387 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 20:16:09,388 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 20:16:09,388 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 20:16:09,389 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 20:16:09,391 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 20:16:09,392 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 20:16:09,393 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 20:16:09,393 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 20:16:09,394 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 20:16:09,394 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 20:16:09,394 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 20:16:09,395 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 20:16:09,396 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 20:16:09,397 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1441ca74-6eef-4658-9c1e-5b392dc043d4/bin/utaipan-6cKwYrpEi9/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-20 20:16:09,449 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 20:16:09,450 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 20:16:09,450 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 20:16:09,451 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 20:16:09,451 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 20:16:09,452 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 20:16:09,452 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 20:16:09,452 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 20:16:09,453 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 20:16:09,453 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-20 20:16:09,454 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 20:16:09,454 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 20:16:09,454 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-20 20:16:09,455 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-20 20:16:09,455 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 20:16:09,455 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-20 20:16:09,455 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-20 20:16:09,456 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-20 20:16:09,457 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 20:16:09,457 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 20:16:09,457 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 20:16:09,457 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 20:16:09,458 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 20:16:09,458 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 20:16:09,458 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 20:16:09,458 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 20:16:09,459 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 20:16:09,459 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-20 20:16:09,459 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 20:16:09,460 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 20:16:09,460 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 20:16:09,460 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 20:16:09,461 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 20:16:09,461 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 20:16:09,461 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 20:16:09,461 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 20:16:09,462 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-20 20:16:09,468 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 20:16:09,469 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 20:16:09,469 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-20 20:16:09,469 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 20:16:09,469 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 20:16:09,469 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 20:16:09,469 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_1441ca74-6eef-4658-9c1e-5b392dc043d4/bin/utaipan-6cKwYrpEi9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1441ca74-6eef-4658-9c1e-5b392dc043d4/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b71c523f20411078d17c9943b891d34ddfc00131917c4009fb579cdffacef23c [2022-11-20 20:16:09,720 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 20:16:09,742 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 20:16:09,744 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 20:16:09,746 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 20:16:09,746 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 20:16:09,747 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1441ca74-6eef-4658-9c1e-5b392dc043d4/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/goblint-regression/04-mutex_46-escape_nr.i [2022-11-20 20:16:12,810 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 20:16:13,072 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 20:16:13,073 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1441ca74-6eef-4658-9c1e-5b392dc043d4/sv-benchmarks/c/goblint-regression/04-mutex_46-escape_nr.i [2022-11-20 20:16:13,092 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1441ca74-6eef-4658-9c1e-5b392dc043d4/bin/utaipan-6cKwYrpEi9/data/8f1a81d10/0839dcafc7d64d71b84fce1b7ca5bd94/FLAGf0c679208 [2022-11-20 20:16:13,120 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1441ca74-6eef-4658-9c1e-5b392dc043d4/bin/utaipan-6cKwYrpEi9/data/8f1a81d10/0839dcafc7d64d71b84fce1b7ca5bd94 [2022-11-20 20:16:13,125 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 20:16:13,127 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 20:16:13,131 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 20:16:13,131 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 20:16:13,135 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 20:16:13,136 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:16:13" (1/1) ... [2022-11-20 20:16:13,137 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36ce4027 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:16:13, skipping insertion in model container [2022-11-20 20:16:13,137 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:16:13" (1/1) ... [2022-11-20 20:16:13,145 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 20:16:13,211 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 20:16:13,734 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 20:16:13,751 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 20:16:13,791 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 20:16:13,859 INFO L208 MainTranslator]: Completed translation [2022-11-20 20:16:13,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:16:13 WrapperNode [2022-11-20 20:16:13,860 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 20:16:13,861 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 20:16:13,861 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 20:16:13,862 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 20:16:13,870 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:16:13" (1/1) ... [2022-11-20 20:16:13,900 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:16:13" (1/1) ... [2022-11-20 20:16:13,946 INFO L138 Inliner]: procedures = 263, calls = 27, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 84 [2022-11-20 20:16:13,947 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 20:16:13,948 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 20:16:13,948 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 20:16:13,949 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 20:16:13,959 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:16:13" (1/1) ... [2022-11-20 20:16:13,959 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:16:13" (1/1) ... [2022-11-20 20:16:13,978 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:16:13" (1/1) ... [2022-11-20 20:16:13,980 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:16:13" (1/1) ... [2022-11-20 20:16:13,988 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:16:13" (1/1) ... [2022-11-20 20:16:14,001 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:16:13" (1/1) ... [2022-11-20 20:16:14,003 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:16:13" (1/1) ... [2022-11-20 20:16:14,011 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:16:13" (1/1) ... [2022-11-20 20:16:14,014 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 20:16:14,015 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 20:16:14,015 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 20:16:14,015 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 20:16:14,016 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:16:13" (1/1) ... [2022-11-20 20:16:14,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 20:16:14,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1441ca74-6eef-4658-9c1e-5b392dc043d4/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:16:14,057 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1441ca74-6eef-4658-9c1e-5b392dc043d4/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 20:16:14,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1441ca74-6eef-4658-9c1e-5b392dc043d4/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 20:16:14,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 20:16:14,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 20:16:14,101 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 20:16:14,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 20:16:14,101 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-20 20:16:14,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 20:16:14,101 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-20 20:16:14,102 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-20 20:16:14,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 20:16:14,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 20:16:14,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 20:16:14,104 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 20:16:14,304 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 20:16:14,321 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 20:16:14,667 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 20:16:14,676 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 20:16:14,676 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 20:16:14,678 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:16:14 BoogieIcfgContainer [2022-11-20 20:16:14,678 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 20:16:14,681 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 20:16:14,681 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 20:16:14,685 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 20:16:14,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 08:16:13" (1/3) ... [2022-11-20 20:16:14,686 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41f6f7ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 08:16:14, skipping insertion in model container [2022-11-20 20:16:14,686 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:16:13" (2/3) ... [2022-11-20 20:16:14,686 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41f6f7ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 08:16:14, skipping insertion in model container [2022-11-20 20:16:14,686 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:16:14" (3/3) ... [2022-11-20 20:16:14,688 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_46-escape_nr.i [2022-11-20 20:16:14,697 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-20 20:16:14,708 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 20:16:14,709 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-11-20 20:16:14,709 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-20 20:16:14,810 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-11-20 20:16:14,867 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-20 20:16:14,883 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 120 places, 117 transitions, 242 flow [2022-11-20 20:16:14,886 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 120 places, 117 transitions, 242 flow [2022-11-20 20:16:14,887 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 120 places, 117 transitions, 242 flow [2022-11-20 20:16:14,952 INFO L130 PetriNetUnfolder]: 1/116 cut-off events. [2022-11-20 20:16:14,953 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-20 20:16:14,957 INFO L83 FinitePrefix]: Finished finitePrefix Result has 121 conditions, 116 events. 1/116 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 93 event pairs, 0 based on Foata normal form. 0/109 useless extension candidates. Maximal degree in co-relation 6. Up to 2 conditions per place. [2022-11-20 20:16:14,959 INFO L119 LiptonReduction]: Number of co-enabled transitions 1612 [2022-11-20 20:16:20,781 INFO L134 LiptonReduction]: Checked pairs total: 12260 [2022-11-20 20:16:20,781 INFO L136 LiptonReduction]: Total number of compositions: 80 [2022-11-20 20:16:20,795 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 49 places, 46 transitions, 100 flow [2022-11-20 20:16:20,864 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 409 states, 397 states have (on average 1.9496221662468514) internal successors, (774), 408 states have internal predecessors, (774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 20:16:20,893 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 20:16:20,901 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;@6fc48b06, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 20:16:20,901 INFO L358 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2022-11-20 20:16:20,905 INFO L276 IsEmpty]: Start isEmpty. Operand has 409 states, 397 states have (on average 1.9496221662468514) internal successors, (774), 408 states have internal predecessors, (774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 20:16:20,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-11-20 20:16:20,910 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:16:20,911 INFO L195 NwaCegarLoop]: trace histogram [1] [2022-11-20 20:16:20,911 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-11-20 20:16:20,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:16:20,921 INFO L85 PathProgramCache]: Analyzing trace with hash 374, now seen corresponding path program 1 times [2022-11-20 20:16:20,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:16:20,945 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917379456] [2022-11-20 20:16:20,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:16:20,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:16:21,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:16:21,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:16:21,098 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:16:21,099 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917379456] [2022-11-20 20:16:21,100 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917379456] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:16:21,100 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:16:21,100 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-11-20 20:16:21,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383666675] [2022-11-20 20:16:21,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:16:21,107 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-20 20:16:21,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:16:21,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-20 20:16:21,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 20:16:21,140 INFO L87 Difference]: Start difference. First operand has 409 states, 397 states have (on average 1.9496221662468514) internal successors, (774), 408 states have internal predecessors, (774), 0 states have call successors, (0), 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) [2022-11-20 20:16:21,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:16:21,220 INFO L93 Difference]: Finished difference Result 408 states and 773 transitions. [2022-11-20 20:16:21,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 20:16:21,223 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 [2022-11-20 20:16:21,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:16:21,238 INFO L225 Difference]: With dead ends: 408 [2022-11-20 20:16:21,246 INFO L226 Difference]: Without dead ends: 408 [2022-11-20 20:16:21,247 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 [2022-11-20 20:16:21,252 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 20:16:21,257 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 29 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 20:16:21,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2022-11-20 20:16:21,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 408. [2022-11-20 20:16:21,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 408 states, 397 states have (on average 1.9471032745591939) internal successors, (773), 407 states have internal predecessors, (773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 20:16:21,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 773 transitions. [2022-11-20 20:16:21,320 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 773 transitions. Word has length 1 [2022-11-20 20:16:21,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:16:21,321 INFO L495 AbstractCegarLoop]: Abstraction has 408 states and 773 transitions. [2022-11-20 20:16:21,321 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) [2022-11-20 20:16:21,321 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 773 transitions. [2022-11-20 20:16:21,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 20:16:21,322 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:16:21,322 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:16:21,322 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 20:16:21,323 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-11-20 20:16:21,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:16:21,323 INFO L85 PathProgramCache]: Analyzing trace with hash -202130296, now seen corresponding path program 1 times [2022-11-20 20:16:21,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:16:21,324 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893743982] [2022-11-20 20:16:21,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:16:21,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:16:21,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:16:21,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:16:21,875 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:16:21,875 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893743982] [2022-11-20 20:16:21,875 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893743982] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:16:21,876 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:16:21,876 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 20:16:21,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198629377] [2022-11-20 20:16:21,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:16:21,877 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 20:16:21,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:16:21,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 20:16:21,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 20:16:21,879 INFO L87 Difference]: Start difference. First operand 408 states and 773 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) [2022-11-20 20:16:22,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:16:22,094 INFO L93 Difference]: Finished difference Result 440 states and 831 transitions. [2022-11-20 20:16:22,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 20:16:22,095 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 [2022-11-20 20:16:22,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:16:22,100 INFO L225 Difference]: With dead ends: 440 [2022-11-20 20:16:22,100 INFO L226 Difference]: Without dead ends: 440 [2022-11-20 20:16:22,101 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 [2022-11-20 20:16:22,102 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 32 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 20:16:22,103 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 21 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 20:16:22,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2022-11-20 20:16:22,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 426. [2022-11-20 20:16:22,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 426 states, 416 states have (on average 1.9350961538461537) internal successors, (805), 425 states have internal predecessors, (805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 20:16:22,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 805 transitions. [2022-11-20 20:16:22,145 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 805 transitions. Word has length 9 [2022-11-20 20:16:22,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:16:22,146 INFO L495 AbstractCegarLoop]: Abstraction has 426 states and 805 transitions. [2022-11-20 20:16:22,146 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) [2022-11-20 20:16:22,147 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 805 transitions. [2022-11-20 20:16:22,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 20:16:22,150 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:16:22,150 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:16:22,150 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 20:16:22,151 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-11-20 20:16:22,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:16:22,152 INFO L85 PathProgramCache]: Analyzing trace with hash -638664177, now seen corresponding path program 1 times [2022-11-20 20:16:22,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:16:22,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916993845] [2022-11-20 20:16:22,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:16:22,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:16:22,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:16:22,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:16:22,370 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:16:22,370 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916993845] [2022-11-20 20:16:22,370 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916993845] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:16:22,370 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:16:22,370 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 20:16:22,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328959164] [2022-11-20 20:16:22,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:16:22,371 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 20:16:22,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:16:22,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 20:16:22,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 20:16:22,372 INFO L87 Difference]: Start difference. First operand 426 states and 805 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) [2022-11-20 20:16:22,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:16:22,707 INFO L93 Difference]: Finished difference Result 501 states and 949 transitions. [2022-11-20 20:16:22,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 20:16:22,708 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 [2022-11-20 20:16:22,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:16:22,710 INFO L225 Difference]: With dead ends: 501 [2022-11-20 20:16:22,710 INFO L226 Difference]: Without dead ends: 501 [2022-11-20 20:16:22,710 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 [2022-11-20 20:16:22,711 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 46 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-20 20:16:22,712 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 43 Invalid, 257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 217 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-20 20:16:22,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501 states. [2022-11-20 20:16:22,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 501 to 473. [2022-11-20 20:16:22,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 473 states, 463 states have (on average 1.9330453563714902) internal successors, (895), 472 states have internal predecessors, (895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 20:16:22,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 895 transitions. [2022-11-20 20:16:22,725 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 895 transitions. Word has length 9 [2022-11-20 20:16:22,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:16:22,726 INFO L495 AbstractCegarLoop]: Abstraction has 473 states and 895 transitions. [2022-11-20 20:16:22,726 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) [2022-11-20 20:16:22,726 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 895 transitions. [2022-11-20 20:16:22,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 20:16:22,727 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:16:22,727 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:16:22,728 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 20:16:22,728 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-11-20 20:16:22,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:16:22,729 INFO L85 PathProgramCache]: Analyzing trace with hash 953048202, now seen corresponding path program 1 times [2022-11-20 20:16:22,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:16:22,729 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831142640] [2022-11-20 20:16:22,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:16:22,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:16:22,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:16:22,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:16:22,974 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:16:22,974 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831142640] [2022-11-20 20:16:22,974 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [831142640] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:16:22,975 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:16:22,975 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 20:16:22,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502466894] [2022-11-20 20:16:22,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:16:22,976 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 20:16:22,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:16:22,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 20:16:22,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 20:16:22,977 INFO L87 Difference]: Start difference. First operand 473 states and 895 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) [2022-11-20 20:16:23,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:16:23,174 INFO L93 Difference]: Finished difference Result 542 states and 1028 transitions. [2022-11-20 20:16:23,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 20:16:23,174 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 [2022-11-20 20:16:23,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:16:23,178 INFO L225 Difference]: With dead ends: 542 [2022-11-20 20:16:23,178 INFO L226 Difference]: Without dead ends: 542 [2022-11-20 20:16:23,179 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 [2022-11-20 20:16:23,179 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 35 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 20:16:23,180 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 44 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 20:16:23,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 542 states. [2022-11-20 20:16:23,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 542 to 525. [2022-11-20 20:16:23,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 525 states, 515 states have (on average 1.9320388349514563) internal successors, (995), 524 states have internal predecessors, (995), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 20:16:23,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 995 transitions. [2022-11-20 20:16:23,197 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 995 transitions. Word has length 15 [2022-11-20 20:16:23,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:16:23,198 INFO L495 AbstractCegarLoop]: Abstraction has 525 states and 995 transitions. [2022-11-20 20:16:23,198 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) [2022-11-20 20:16:23,198 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 995 transitions. [2022-11-20 20:16:23,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 20:16:23,199 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:16:23,199 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:16:23,200 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 20:16:23,200 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-11-20 20:16:23,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:16:23,200 INFO L85 PathProgramCache]: Analyzing trace with hash 969820876, now seen corresponding path program 1 times [2022-11-20 20:16:23,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:16:23,201 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359047522] [2022-11-20 20:16:23,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:16:23,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:16:23,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:16:23,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:16:23,467 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:16:23,467 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359047522] [2022-11-20 20:16:23,468 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359047522] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:16:23,468 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:16:23,468 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 20:16:23,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786294716] [2022-11-20 20:16:23,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:16:23,469 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 20:16:23,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:16:23,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 20:16:23,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 20:16:23,470 INFO L87 Difference]: Start difference. First operand 525 states and 995 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) [2022-11-20 20:16:23,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:16:23,704 INFO L93 Difference]: Finished difference Result 630 states and 1199 transitions. [2022-11-20 20:16:23,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 20:16:23,704 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 [2022-11-20 20:16:23,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:16:23,707 INFO L225 Difference]: With dead ends: 630 [2022-11-20 20:16:23,707 INFO L226 Difference]: Without dead ends: 617 [2022-11-20 20:16:23,708 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 [2022-11-20 20:16:23,708 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 48 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 20:16:23,709 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 42 Invalid, 224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 20:16:23,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 617 states. [2022-11-20 20:16:23,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 617 to 591. [2022-11-20 20:16:23,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 591 states, 581 states have (on average 1.9311531841652323) internal successors, (1122), 590 states have internal predecessors, (1122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 20:16:23,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 1122 transitions. [2022-11-20 20:16:23,726 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 1122 transitions. Word has length 15 [2022-11-20 20:16:23,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:16:23,727 INFO L495 AbstractCegarLoop]: Abstraction has 591 states and 1122 transitions. [2022-11-20 20:16:23,727 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) [2022-11-20 20:16:23,727 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 1122 transitions. [2022-11-20 20:16:23,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 20:16:23,729 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:16:23,729 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:16:23,729 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-20 20:16:23,729 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-11-20 20:16:23,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:16:23,730 INFO L85 PathProgramCache]: Analyzing trace with hash 1426424158, now seen corresponding path program 1 times [2022-11-20 20:16:23,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:16:23,731 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422069916] [2022-11-20 20:16:23,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:16:23,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:16:23,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:16:23,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:16:23,792 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:16:23,792 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422069916] [2022-11-20 20:16:23,792 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [422069916] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:16:23,792 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:16:23,792 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 20:16:23,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378833356] [2022-11-20 20:16:23,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:16:23,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 20:16:23,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:16:23,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 20:16:23,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:16:23,794 INFO L87 Difference]: Start difference. First operand 591 states and 1122 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 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) [2022-11-20 20:16:23,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:16:23,814 INFO L93 Difference]: Finished difference Result 178 states and 286 transitions. [2022-11-20 20:16:23,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 20:16:23,815 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 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 [2022-11-20 20:16:23,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:16:23,816 INFO L225 Difference]: With dead ends: 178 [2022-11-20 20:16:23,816 INFO L226 Difference]: Without dead ends: 178 [2022-11-20 20:16:23,816 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:16:23,817 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 32 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 20:16:23,817 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 38 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 20:16:23,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2022-11-20 20:16:23,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 178. [2022-11-20 20:16:23,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 175 states have (on average 1.6342857142857143) internal successors, (286), 177 states have internal predecessors, (286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 20:16:23,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 286 transitions. [2022-11-20 20:16:23,823 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 286 transitions. Word has length 18 [2022-11-20 20:16:23,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:16:23,823 INFO L495 AbstractCegarLoop]: Abstraction has 178 states and 286 transitions. [2022-11-20 20:16:23,823 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 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) [2022-11-20 20:16:23,824 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 286 transitions. [2022-11-20 20:16:23,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 20:16:23,824 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:16:23,825 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:16:23,825 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-20 20:16:23,825 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-11-20 20:16:23,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:16:23,826 INFO L85 PathProgramCache]: Analyzing trace with hash 1930004575, now seen corresponding path program 1 times [2022-11-20 20:16:23,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:16:23,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923092593] [2022-11-20 20:16:23,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:16:23,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:16:23,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:16:24,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:16:24,104 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:16:24,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923092593] [2022-11-20 20:16:24,105 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1923092593] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:16:24,105 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:16:24,105 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 20:16:24,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904523489] [2022-11-20 20:16:24,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:16:24,106 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 20:16:24,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:16:24,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 20:16:24,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 20:16:24,107 INFO L87 Difference]: Start difference. First operand 178 states and 286 transitions. Second operand has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 20:16:24,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:16:24,322 INFO L93 Difference]: Finished difference Result 200 states and 319 transitions. [2022-11-20 20:16:24,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 20:16:24,322 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2022-11-20 20:16:24,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:16:24,323 INFO L225 Difference]: With dead ends: 200 [2022-11-20 20:16:24,323 INFO L226 Difference]: Without dead ends: 161 [2022-11-20 20:16:24,324 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 [2022-11-20 20:16:24,324 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 28 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 20:16:24,325 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 43 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 20:16:24,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2022-11-20 20:16:24,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 157. [2022-11-20 20:16:24,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 154 states have (on average 1.7272727272727273) internal successors, (266), 156 states have internal predecessors, (266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 20:16:24,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 266 transitions. [2022-11-20 20:16:24,330 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 266 transitions. Word has length 22 [2022-11-20 20:16:24,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:16:24,330 INFO L495 AbstractCegarLoop]: Abstraction has 157 states and 266 transitions. [2022-11-20 20:16:24,330 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 20:16:24,330 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 266 transitions. [2022-11-20 20:16:24,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-20 20:16:24,331 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:16:24,331 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:16:24,331 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-20 20:16:24,331 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-11-20 20:16:24,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:16:24,332 INFO L85 PathProgramCache]: Analyzing trace with hash 2094779389, now seen corresponding path program 1 times [2022-11-20 20:16:24,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:16:24,332 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272707911] [2022-11-20 20:16:24,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:16:24,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:16:24,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:16:24,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:16:24,968 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:16:24,969 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272707911] [2022-11-20 20:16:24,969 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [272707911] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:16:24,969 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:16:24,971 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-20 20:16:24,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818586357] [2022-11-20 20:16:24,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:16:24,972 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-20 20:16:24,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:16:24,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-20 20:16:24,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2022-11-20 20:16:24,973 INFO L87 Difference]: Start difference. First operand 157 states and 266 transitions. Second operand has 11 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 20:16:25,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:16:25,584 INFO L93 Difference]: Finished difference Result 199 states and 323 transitions. [2022-11-20 20:16:25,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-20 20:16:25,584 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 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 31 [2022-11-20 20:16:25,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:16:25,585 INFO L225 Difference]: With dead ends: 199 [2022-11-20 20:16:25,585 INFO L226 Difference]: Without dead ends: 182 [2022-11-20 20:16:25,586 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=97, Invalid=175, Unknown=0, NotChecked=0, Total=272 [2022-11-20 20:16:25,586 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 121 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 428 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 478 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-20 20:16:25,587 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 34 Invalid, 478 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 428 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-20 20:16:25,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2022-11-20 20:16:25,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 171. [2022-11-20 20:16:25,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 168 states have (on average 1.6964285714285714) internal successors, (285), 170 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 20:16:25,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 285 transitions. [2022-11-20 20:16:25,592 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 285 transitions. Word has length 31 [2022-11-20 20:16:25,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:16:25,592 INFO L495 AbstractCegarLoop]: Abstraction has 171 states and 285 transitions. [2022-11-20 20:16:25,592 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 20:16:25,593 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 285 transitions. [2022-11-20 20:16:25,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-20 20:16:25,593 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:16:25,593 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:16:25,594 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-20 20:16:25,594 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-11-20 20:16:25,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:16:25,594 INFO L85 PathProgramCache]: Analyzing trace with hash 1481163147, now seen corresponding path program 2 times [2022-11-20 20:16:25,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:16:25,595 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604277756] [2022-11-20 20:16:25,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:16:25,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:16:25,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:16:26,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:16:26,093 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:16:26,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604277756] [2022-11-20 20:16:26,093 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1604277756] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:16:26,093 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:16:26,093 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-20 20:16:26,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327746892] [2022-11-20 20:16:26,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:16:26,094 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-20 20:16:26,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:16:26,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-20 20:16:26,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-11-20 20:16:26,095 INFO L87 Difference]: Start difference. First operand 171 states and 285 transitions. Second operand has 11 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 20:16:26,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:16:26,719 INFO L93 Difference]: Finished difference Result 234 states and 382 transitions. [2022-11-20 20:16:26,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-20 20:16:26,720 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 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 31 [2022-11-20 20:16:26,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:16:26,721 INFO L225 Difference]: With dead ends: 234 [2022-11-20 20:16:26,721 INFO L226 Difference]: Without dead ends: 216 [2022-11-20 20:16:26,721 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=104, Invalid=202, Unknown=0, NotChecked=0, Total=306 [2022-11-20 20:16:26,722 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 130 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 396 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-20 20:16:26,722 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 24 Invalid, 461 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 396 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-20 20:16:26,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2022-11-20 20:16:26,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 186. [2022-11-20 20:16:26,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 183 states have (on average 1.715846994535519) internal successors, (314), 185 states have internal predecessors, (314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 20:16:26,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 314 transitions. [2022-11-20 20:16:26,728 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 314 transitions. Word has length 31 [2022-11-20 20:16:26,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:16:26,728 INFO L495 AbstractCegarLoop]: Abstraction has 186 states and 314 transitions. [2022-11-20 20:16:26,728 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 20:16:26,728 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 314 transitions. [2022-11-20 20:16:26,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-20 20:16:26,730 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:16:26,730 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:16:26,730 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-20 20:16:26,730 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-11-20 20:16:26,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:16:26,731 INFO L85 PathProgramCache]: Analyzing trace with hash 1668781693, now seen corresponding path program 3 times [2022-11-20 20:16:26,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:16:26,731 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105280109] [2022-11-20 20:16:26,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:16:26,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:16:26,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:16:27,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:16:27,198 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:16:27,198 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105280109] [2022-11-20 20:16:27,198 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1105280109] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:16:27,198 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:16:27,198 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-20 20:16:27,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891925697] [2022-11-20 20:16:27,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:16:27,199 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-20 20:16:27,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:16:27,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-20 20:16:27,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-11-20 20:16:27,200 INFO L87 Difference]: Start difference. First operand 186 states and 314 transitions. Second operand has 11 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 20:16:27,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:16:27,771 INFO L93 Difference]: Finished difference Result 270 states and 451 transitions. [2022-11-20 20:16:27,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-20 20:16:27,772 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 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 31 [2022-11-20 20:16:27,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:16:27,773 INFO L225 Difference]: With dead ends: 270 [2022-11-20 20:16:27,773 INFO L226 Difference]: Without dead ends: 250 [2022-11-20 20:16:27,774 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2022-11-20 20:16:27,774 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 92 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 426 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 481 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 426 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-20 20:16:27,775 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 16 Invalid, 481 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 426 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-20 20:16:27,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2022-11-20 20:16:27,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 201. [2022-11-20 20:16:27,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 198 states have (on average 1.7323232323232323) internal successors, (343), 200 states have internal predecessors, (343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 20:16:27,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 343 transitions. [2022-11-20 20:16:27,781 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 343 transitions. Word has length 31 [2022-11-20 20:16:27,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:16:27,781 INFO L495 AbstractCegarLoop]: Abstraction has 201 states and 343 transitions. [2022-11-20 20:16:27,781 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 20:16:27,781 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 343 transitions. [2022-11-20 20:16:27,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-20 20:16:27,782 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:16:27,782 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:16:27,782 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-20 20:16:27,782 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-11-20 20:16:27,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:16:27,783 INFO L85 PathProgramCache]: Analyzing trace with hash -38340661, now seen corresponding path program 4 times [2022-11-20 20:16:27,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:16:27,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754686047] [2022-11-20 20:16:27,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:16:27,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:16:27,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:16:28,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:16:28,252 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:16:28,252 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754686047] [2022-11-20 20:16:28,253 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754686047] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:16:28,253 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:16:28,253 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-20 20:16:28,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984314135] [2022-11-20 20:16:28,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:16:28,253 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-20 20:16:28,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:16:28,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-20 20:16:28,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2022-11-20 20:16:28,255 INFO L87 Difference]: Start difference. First operand 201 states and 343 transitions. Second operand has 11 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 20:16:28,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:16:28,603 INFO L93 Difference]: Finished difference Result 196 states and 331 transitions. [2022-11-20 20:16:28,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 20:16:28,604 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 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 31 [2022-11-20 20:16:28,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:16:28,605 INFO L225 Difference]: With dead ends: 196 [2022-11-20 20:16:28,605 INFO L226 Difference]: Without dead ends: 176 [2022-11-20 20:16:28,606 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2022-11-20 20:16:28,606 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 118 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 268 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 318 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 268 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-20 20:16:28,607 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 0 Invalid, 318 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 268 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-20 20:16:28,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2022-11-20 20:16:28,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 106. [2022-11-20 20:16:28,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 105 states have (on average 1.638095238095238) internal successors, (172), 105 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 20:16:28,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 172 transitions. [2022-11-20 20:16:28,611 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 172 transitions. Word has length 31 [2022-11-20 20:16:28,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:16:28,611 INFO L495 AbstractCegarLoop]: Abstraction has 106 states and 172 transitions. [2022-11-20 20:16:28,611 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 20:16:28,611 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 172 transitions. [2022-11-20 20:16:28,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-20 20:16:28,612 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:16:28,612 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:16:28,612 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-20 20:16:28,612 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-11-20 20:16:28,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:16:28,613 INFO L85 PathProgramCache]: Analyzing trace with hash -1061029463, now seen corresponding path program 1 times [2022-11-20 20:16:28,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:16:28,613 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140775173] [2022-11-20 20:16:28,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:16:28,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:16:28,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:16:28,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:16:28,972 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:16:28,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140775173] [2022-11-20 20:16:28,972 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [140775173] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:16:28,972 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:16:28,972 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-20 20:16:28,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754647766] [2022-11-20 20:16:28,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:16:28,973 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-20 20:16:28,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:16:28,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-20 20:16:28,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2022-11-20 20:16:28,974 INFO L87 Difference]: Start difference. First operand 106 states and 172 transitions. Second operand has 11 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 20:16:29,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:16:29,204 INFO L93 Difference]: Finished difference Result 101 states and 163 transitions. [2022-11-20 20:16:29,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 20:16:29,204 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 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 31 [2022-11-20 20:16:29,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:16:29,205 INFO L225 Difference]: With dead ends: 101 [2022-11-20 20:16:29,205 INFO L226 Difference]: Without dead ends: 0 [2022-11-20 20:16:29,205 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240 [2022-11-20 20:16:29,206 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 75 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 20:16:29,206 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 0 Invalid, 228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 20:16:29,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-20 20:16:29,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-20 20:16:29,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 20:16:29,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-20 20:16:29,207 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 31 [2022-11-20 20:16:29,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:16:29,207 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 20:16:29,208 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 20:16:29,208 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-20 20:16:29,208 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 20:16:29,211 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (8 of 9 remaining) [2022-11-20 20:16:29,212 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (7 of 9 remaining) [2022-11-20 20:16:29,212 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (6 of 9 remaining) [2022-11-20 20:16:29,212 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (5 of 9 remaining) [2022-11-20 20:16:29,212 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 9 remaining) [2022-11-20 20:16:29,213 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 9 remaining) [2022-11-20 20:16:29,213 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 9 remaining) [2022-11-20 20:16:29,213 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 9 remaining) [2022-11-20 20:16:29,213 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 9 remaining) [2022-11-20 20:16:29,213 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-20 20:16:29,216 INFO L444 BasicCegarLoop]: Path program histogram: [4, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:16:29,221 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-20 20:16:29,221 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 20:16:29,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 08:16:29 BasicIcfg [2022-11-20 20:16:29,224 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 20:16:29,224 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 20:16:29,224 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 20:16:29,225 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 20:16:29,225 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:16:14" (3/4) ... [2022-11-20 20:16:29,228 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 20:16:29,235 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2022-11-20 20:16:29,239 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-20 20:16:29,240 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-20 20:16:29,240 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-20 20:16:29,275 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1441ca74-6eef-4658-9c1e-5b392dc043d4/bin/utaipan-6cKwYrpEi9/witness.graphml [2022-11-20 20:16:29,275 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 20:16:29,275 INFO L158 Benchmark]: Toolchain (without parser) took 16148.51ms. Allocated memory was 140.5MB in the beginning and 247.5MB in the end (delta: 107.0MB). Free memory was 94.4MB in the beginning and 102.6MB in the end (delta: -8.2MB). Peak memory consumption was 99.9MB. Max. memory is 16.1GB. [2022-11-20 20:16:29,276 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 140.5MB. Free memory is still 107.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 20:16:29,276 INFO L158 Benchmark]: CACSL2BoogieTranslator took 729.59ms. Allocated memory is still 140.5MB. Free memory was 93.8MB in the beginning and 66.6MB in the end (delta: 27.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-20 20:16:29,276 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.12ms. Allocated memory is still 140.5MB. Free memory was 66.6MB in the beginning and 64.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 20:16:29,276 INFO L158 Benchmark]: Boogie Preprocessor took 66.05ms. Allocated memory is still 140.5MB. Free memory was 64.1MB in the beginning and 62.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 20:16:29,277 INFO L158 Benchmark]: RCFGBuilder took 664.05ms. Allocated memory is still 140.5MB. Free memory was 62.0MB in the beginning and 44.7MB in the end (delta: 17.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-20 20:16:29,277 INFO L158 Benchmark]: TraceAbstraction took 14543.08ms. Allocated memory was 140.5MB in the beginning and 247.5MB in the end (delta: 107.0MB). Free memory was 44.1MB in the beginning and 105.7MB in the end (delta: -61.6MB). Peak memory consumption was 47.5MB. Max. memory is 16.1GB. [2022-11-20 20:16:29,277 INFO L158 Benchmark]: Witness Printer took 50.59ms. Allocated memory is still 247.5MB. Free memory was 105.7MB in the beginning and 102.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 20:16:29,279 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 140.5MB. Free memory is still 107.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 729.59ms. Allocated memory is still 140.5MB. Free memory was 93.8MB in the beginning and 66.6MB in the end (delta: 27.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.12ms. Allocated memory is still 140.5MB. Free memory was 66.6MB in the beginning and 64.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.05ms. Allocated memory is still 140.5MB. Free memory was 64.1MB in the beginning and 62.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 664.05ms. Allocated memory is still 140.5MB. Free memory was 62.0MB in the beginning and 44.7MB in the end (delta: 17.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 14543.08ms. Allocated memory was 140.5MB in the beginning and 247.5MB in the end (delta: 107.0MB). Free memory was 44.1MB in the beginning and 105.7MB in the end (delta: -61.6MB). Peak memory consumption was 47.5MB. Max. memory is 16.1GB. * Witness Printer took 50.59ms. Allocated memory is still 247.5MB. Free memory was 105.7MB in the beginning and 102.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.9s, 120 PlacesBefore, 49 PlacesAfterwards, 117 TransitionsBefore, 46 TransitionsAfterwards, 1612 CoEnabledTransitionPairs, 7 FixpointIterations, 59 TrivialSequentialCompositions, 18 ConcurrentSequentialCompositions, 3 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 80 TotalNumberOfCompositions, 12260 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2864, independent: 2282, independent conditional: 0, independent unconditional: 2282, dependent: 582, dependent conditional: 0, dependent unconditional: 582, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 913, independent: 809, independent conditional: 0, independent unconditional: 809, dependent: 104, dependent conditional: 0, dependent unconditional: 104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 913, independent: 772, independent conditional: 0, independent unconditional: 772, dependent: 141, dependent conditional: 0, dependent unconditional: 141, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 141, independent: 37, independent conditional: 0, independent unconditional: 37, dependent: 104, dependent conditional: 0, dependent unconditional: 104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 428, independent: 102, independent conditional: 0, independent unconditional: 102, dependent: 326, dependent conditional: 0, dependent unconditional: 326, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2864, independent: 1473, independent conditional: 0, independent unconditional: 1473, dependent: 478, dependent conditional: 0, dependent unconditional: 478, unknown: 913, unknown conditional: 0, unknown unconditional: 913] , Statistics on independence cache: Total cache size (in pairs): 289, Positive cache size: 223, Positive conditional cache size: 0, Positive unconditional cache size: 223, Negative cache size: 66, Negative conditional cache size: 0, Negative unconditional cache size: 66, 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 - PositiveResult [Line: 931]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 936]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 936]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 938]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 924]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 924]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 145 locations, 9 error locations. Started 1 CEGAR loops. OverallTime: 14.3s, OverallIterations: 12, TraceHistogramMax: 1, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 3.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 6.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 757 SdHoareTripleChecker+Valid, 2.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 757 mSDsluCounter, 334 SdHoareTripleChecker+Invalid, 2.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 88 mSDsCounter, 353 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2658 IncrementalHoareTripleChecker+Invalid, 3011 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 353 mSolverCounterUnsat, 246 mSDtfsCounter, 2658 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 114 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=591occurred in iteration=5, InterpolantAutomatonStates: 84, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 249 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.8s InterpolantComputationTime, 244 NumberOfCodeBlocks, 244 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 232 ConstructedInterpolants, 0 QuantifiedInterpolants, 2360 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 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 - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-20 20:16:29,307 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1441ca74-6eef-4658-9c1e-5b392dc043d4/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE