./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_45-traces-per-global-and-current-lock-mine-incomparable_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 2329fc70 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_996b54d1-d2f2-44da-848c-2ac20d52a80e/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996b54d1-d2f2-44da-848c-2ac20d52a80e/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996b54d1-d2f2-44da-848c-2ac20d52a80e/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996b54d1-d2f2-44da-848c-2ac20d52a80e/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_45-traces-per-global-and-current-lock-mine-incomparable_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996b54d1-d2f2-44da-848c-2ac20d52a80e/bin/utaipan-gh47qXpMRh/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996b54d1-d2f2-44da-848c-2ac20d52a80e/bin/utaipan-gh47qXpMRh --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 eab672eda1edfc97284913525627300d4c299ae27e8726a3a4858e3cefa92c8f --- 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-2329fc7 [2022-12-14 08:05:13,462 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 08:05:13,465 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 08:05:13,478 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 08:05:13,478 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 08:05:13,479 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 08:05:13,480 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 08:05:13,481 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 08:05:13,482 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 08:05:13,483 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 08:05:13,483 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 08:05:13,484 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 08:05:13,484 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 08:05:13,485 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 08:05:13,485 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 08:05:13,486 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 08:05:13,487 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 08:05:13,487 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 08:05:13,488 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 08:05:13,490 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 08:05:13,490 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 08:05:13,492 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 08:05:13,496 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 08:05:13,497 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 08:05:13,501 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 08:05:13,502 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 08:05:13,502 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 08:05:13,503 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 08:05:13,504 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 08:05:13,505 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 08:05:13,505 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 08:05:13,506 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 08:05:13,506 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 08:05:13,507 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 08:05:13,508 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 08:05:13,508 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 08:05:13,509 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 08:05:13,509 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 08:05:13,509 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 08:05:13,510 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 08:05:13,510 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 08:05:13,511 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996b54d1-d2f2-44da-848c-2ac20d52a80e/bin/utaipan-gh47qXpMRh/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-12-14 08:05:13,535 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 08:05:13,535 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 08:05:13,536 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 08:05:13,536 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 08:05:13,537 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 08:05:13,537 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 08:05:13,537 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 08:05:13,537 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 08:05:13,537 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 08:05:13,538 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 08:05:13,538 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 08:05:13,538 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 08:05:13,538 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 08:05:13,538 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 08:05:13,539 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 08:05:13,539 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 08:05:13,539 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 08:05:13,539 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 08:05:13,540 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 08:05:13,540 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 08:05:13,540 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 08:05:13,540 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 08:05:13,540 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 08:05:13,540 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 08:05:13,540 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 08:05:13,541 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 08:05:13,541 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 08:05:13,541 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-14 08:05:13,541 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 08:05:13,541 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 08:05:13,541 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 08:05:13,541 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 08:05:13,542 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 08:05:13,542 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 08:05:13,542 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:05:13,542 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 08:05:13,542 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 08:05:13,542 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 08:05:13,543 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 08:05:13,543 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 08:05:13,543 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 08:05:13,543 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 08:05:13,543 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 08:05:13,543 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_996b54d1-d2f2-44da-848c-2ac20d52a80e/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996b54d1-d2f2-44da-848c-2ac20d52a80e/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eab672eda1edfc97284913525627300d4c299ae27e8726a3a4858e3cefa92c8f [2022-12-14 08:05:13,710 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 08:05:13,730 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 08:05:13,732 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 08:05:13,733 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 08:05:13,733 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 08:05:13,734 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996b54d1-d2f2-44da-848c-2ac20d52a80e/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/goblint-regression/13-privatized_45-traces-per-global-and-current-lock-mine-incomparable_true.i [2022-12-14 08:05:16,367 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 08:05:16,557 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 08:05:16,557 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996b54d1-d2f2-44da-848c-2ac20d52a80e/sv-benchmarks/c/goblint-regression/13-privatized_45-traces-per-global-and-current-lock-mine-incomparable_true.i [2022-12-14 08:05:16,565 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996b54d1-d2f2-44da-848c-2ac20d52a80e/bin/utaipan-gh47qXpMRh/data/41742908e/951448e8ccb642c1a0a757512b120d33/FLAG827291880 [2022-12-14 08:05:16,953 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996b54d1-d2f2-44da-848c-2ac20d52a80e/bin/utaipan-gh47qXpMRh/data/41742908e/951448e8ccb642c1a0a757512b120d33 [2022-12-14 08:05:16,958 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 08:05:16,959 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 08:05:16,961 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 08:05:16,961 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 08:05:16,965 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 08:05:16,966 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:05:16" (1/1) ... [2022-12-14 08:05:16,967 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54a79b98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:05:16, skipping insertion in model container [2022-12-14 08:05:16,968 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:05:16" (1/1) ... [2022-12-14 08:05:16,975 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 08:05:17,013 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 08:05:17,141 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996b54d1-d2f2-44da-848c-2ac20d52a80e/sv-benchmarks/c/goblint-regression/13-privatized_45-traces-per-global-and-current-lock-mine-incomparable_true.i[1129,1142] [2022-12-14 08:05:17,243 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:05:17,256 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 08:05:17,267 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996b54d1-d2f2-44da-848c-2ac20d52a80e/sv-benchmarks/c/goblint-regression/13-privatized_45-traces-per-global-and-current-lock-mine-incomparable_true.i[1129,1142] [2022-12-14 08:05:17,297 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:05:17,337 INFO L208 MainTranslator]: Completed translation [2022-12-14 08:05:17,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:05:17 WrapperNode [2022-12-14 08:05:17,337 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 08:05:17,338 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 08:05:17,339 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 08:05:17,339 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 08:05:17,346 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:05:17" (1/1) ... [2022-12-14 08:05:17,360 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:05:17" (1/1) ... [2022-12-14 08:05:17,379 INFO L138 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 59 [2022-12-14 08:05:17,380 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 08:05:17,380 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 08:05:17,381 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 08:05:17,381 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 08:05:17,388 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:05:17" (1/1) ... [2022-12-14 08:05:17,389 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:05:17" (1/1) ... [2022-12-14 08:05:17,390 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:05:17" (1/1) ... [2022-12-14 08:05:17,390 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:05:17" (1/1) ... [2022-12-14 08:05:17,393 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:05:17" (1/1) ... [2022-12-14 08:05:17,394 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:05:17" (1/1) ... [2022-12-14 08:05:17,395 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:05:17" (1/1) ... [2022-12-14 08:05:17,396 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:05:17" (1/1) ... [2022-12-14 08:05:17,397 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 08:05:17,398 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 08:05:17,398 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 08:05:17,398 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 08:05:17,398 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:05:17" (1/1) ... [2022-12-14 08:05:17,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:05:17,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996b54d1-d2f2-44da-848c-2ac20d52a80e/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:05:17,424 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996b54d1-d2f2-44da-848c-2ac20d52a80e/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 08:05:17,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996b54d1-d2f2-44da-848c-2ac20d52a80e/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 08:05:17,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 08:05:17,456 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-14 08:05:17,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 08:05:17,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 08:05:17,456 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-14 08:05:17,456 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-14 08:05:17,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 08:05:17,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 08:05:17,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 08:05:17,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 08:05:17,458 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-14 08:05:17,552 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 08:05:17,553 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 08:05:17,696 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 08:05:17,701 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 08:05:17,701 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 08:05:17,703 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:05:17 BoogieIcfgContainer [2022-12-14 08:05:17,703 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 08:05:17,705 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 08:05:17,705 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 08:05:17,707 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 08:05:17,707 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 08:05:16" (1/3) ... [2022-12-14 08:05:17,708 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bcea01a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 08:05:17, skipping insertion in model container [2022-12-14 08:05:17,708 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:05:17" (2/3) ... [2022-12-14 08:05:17,708 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bcea01a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 08:05:17, skipping insertion in model container [2022-12-14 08:05:17,708 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:05:17" (3/3) ... [2022-12-14 08:05:17,709 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_45-traces-per-global-and-current-lock-mine-incomparable_true.i [2022-12-14 08:05:17,716 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-14 08:05:17,724 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 08:05:17,724 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-12-14 08:05:17,724 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-14 08:05:17,758 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-14 08:05:17,780 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-14 08:05:17,791 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 86 places, 83 transitions, 171 flow [2022-12-14 08:05:17,793 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 86 places, 83 transitions, 171 flow [2022-12-14 08:05:17,794 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 86 places, 83 transitions, 171 flow [2022-12-14 08:05:17,827 INFO L130 PetriNetUnfolder]: 1/82 cut-off events. [2022-12-14 08:05:17,827 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-14 08:05:17,830 INFO L83 FinitePrefix]: Finished finitePrefix Result has 86 conditions, 82 events. 1/82 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 41 event pairs, 0 based on Foata normal form. 0/78 useless extension candidates. Maximal degree in co-relation 50. Up to 2 conditions per place. [2022-12-14 08:05:17,831 INFO L119 LiptonReduction]: Number of co-enabled transitions 1050 [2022-12-14 08:05:19,754 INFO L134 LiptonReduction]: Checked pairs total: 6725 [2022-12-14 08:05:19,754 INFO L136 LiptonReduction]: Total number of compositions: 74 [2022-12-14 08:05:19,761 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 28 places, 25 transitions, 55 flow [2022-12-14 08:05:19,777 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 119 states, 114 states have (on average 1.9210526315789473) internal successors, (219), 118 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:05:19,793 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 08:05:19,799 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;@2451a35e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 08:05:19,799 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-12-14 08:05:19,802 INFO L276 IsEmpty]: Start isEmpty. Operand has 119 states, 114 states have (on average 1.9210526315789473) internal successors, (219), 118 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:05:19,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 08:05:19,806 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:05:19,806 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:05:19,806 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-14 08:05:19,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:05:19,810 INFO L85 PathProgramCache]: Analyzing trace with hash -71575429, now seen corresponding path program 1 times [2022-12-14 08:05:19,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:05:19,819 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867067116] [2022-12-14 08:05:19,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:05:19,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:05:19,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:05:19,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:05:19,999 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:05:19,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867067116] [2022-12-14 08:05:19,999 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [867067116] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:05:19,999 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:05:20,000 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 08:05:20,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586906001] [2022-12-14 08:05:20,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:05:20,005 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 08:05:20,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:05:20,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 08:05:20,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:05:20,024 INFO L87 Difference]: Start difference. First operand has 119 states, 114 states have (on average 1.9210526315789473) internal successors, (219), 118 states have internal predecessors, (219), 0 states have call successors, (0), 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 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:05:20,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:05:20,075 INFO L93 Difference]: Finished difference Result 120 states and 214 transitions. [2022-12-14 08:05:20,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 08:05:20,077 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-12-14 08:05:20,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:05:20,085 INFO L225 Difference]: With dead ends: 120 [2022-12-14 08:05:20,085 INFO L226 Difference]: Without dead ends: 120 [2022-12-14 08:05:20,086 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:05:20,089 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 7 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 08:05:20,090 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 13 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 08:05:20,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2022-12-14 08:05:20,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2022-12-14 08:05:20,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 115 states have (on average 1.8608695652173912) internal successors, (214), 119 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:05:20,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 214 transitions. [2022-12-14 08:05:20,123 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 214 transitions. Word has length 7 [2022-12-14 08:05:20,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:05:20,123 INFO L495 AbstractCegarLoop]: Abstraction has 120 states and 214 transitions. [2022-12-14 08:05:20,124 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:05:20,124 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 214 transitions. [2022-12-14 08:05:20,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 08:05:20,124 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:05:20,125 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:05:20,125 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 08:05:20,125 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-14 08:05:20,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:05:20,126 INFO L85 PathProgramCache]: Analyzing trace with hash -98034647, now seen corresponding path program 1 times [2022-12-14 08:05:20,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:05:20,126 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716242069] [2022-12-14 08:05:20,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:05:20,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:05:20,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:05:20,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:05:20,186 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:05:20,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716242069] [2022-12-14 08:05:20,186 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716242069] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:05:20,186 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:05:20,186 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 08:05:20,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635359575] [2022-12-14 08:05:20,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:05:20,188 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 08:05:20,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:05:20,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 08:05:20,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:05:20,189 INFO L87 Difference]: Start difference. First operand 120 states and 214 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:05:20,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:05:20,225 INFO L93 Difference]: Finished difference Result 122 states and 214 transitions. [2022-12-14 08:05:20,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 08:05:20,226 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-12-14 08:05:20,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:05:20,228 INFO L225 Difference]: With dead ends: 122 [2022-12-14 08:05:20,228 INFO L226 Difference]: Without dead ends: 107 [2022-12-14 08:05:20,228 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:05:20,229 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 11 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 08:05:20,230 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 12 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 08:05:20,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2022-12-14 08:05:20,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2022-12-14 08:05:20,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 103 states have (on average 1.8155339805825244) internal successors, (187), 106 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:05:20,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 187 transitions. [2022-12-14 08:05:20,239 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 187 transitions. Word has length 7 [2022-12-14 08:05:20,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:05:20,239 INFO L495 AbstractCegarLoop]: Abstraction has 107 states and 187 transitions. [2022-12-14 08:05:20,239 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:05:20,239 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 187 transitions. [2022-12-14 08:05:20,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 08:05:20,240 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:05:20,240 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:05:20,240 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 08:05:20,240 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-14 08:05:20,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:05:20,241 INFO L85 PathProgramCache]: Analyzing trace with hash -1753814096, now seen corresponding path program 1 times [2022-12-14 08:05:20,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:05:20,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068834432] [2022-12-14 08:05:20,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:05:20,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:05:20,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:05:20,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:05:20,359 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:05:20,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068834432] [2022-12-14 08:05:20,359 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2068834432] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:05:20,359 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:05:20,359 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 08:05:20,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097018747] [2022-12-14 08:05:20,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:05:20,360 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 08:05:20,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:05:20,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 08:05:20,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:05:20,361 INFO L87 Difference]: Start difference. First operand 107 states and 187 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:05:20,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:05:20,388 INFO L93 Difference]: Finished difference Result 54 states and 68 transitions. [2022-12-14 08:05:20,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 08:05:20,388 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-12-14 08:05:20,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:05:20,389 INFO L225 Difference]: With dead ends: 54 [2022-12-14 08:05:20,389 INFO L226 Difference]: Without dead ends: 54 [2022-12-14 08:05:20,389 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 [2022-12-14 08:05:20,390 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 6 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 08:05:20,390 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 4 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 08:05:20,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2022-12-14 08:05:20,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 47. [2022-12-14 08:05:20,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 45 states have (on average 1.3777777777777778) internal successors, (62), 46 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:05:20,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 62 transitions. [2022-12-14 08:05:20,393 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 62 transitions. Word has length 11 [2022-12-14 08:05:20,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:05:20,393 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 62 transitions. [2022-12-14 08:05:20,394 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:05:20,394 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 62 transitions. [2022-12-14 08:05:20,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 08:05:20,394 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:05:20,394 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:05:20,394 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 08:05:20,394 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-14 08:05:20,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:05:20,395 INFO L85 PathProgramCache]: Analyzing trace with hash -1771878745, now seen corresponding path program 1 times [2022-12-14 08:05:20,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:05:20,395 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386379436] [2022-12-14 08:05:20,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:05:20,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:05:20,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:05:20,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:05:20,429 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:05:20,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386379436] [2022-12-14 08:05:20,429 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386379436] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:05:20,429 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:05:20,429 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 08:05:20,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614599582] [2022-12-14 08:05:20,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:05:20,430 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 08:05:20,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:05:20,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 08:05:20,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:05:20,431 INFO L87 Difference]: Start difference. First operand 47 states and 62 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:05:20,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:05:20,447 INFO L93 Difference]: Finished difference Result 44 states and 58 transitions. [2022-12-14 08:05:20,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 08:05:20,447 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-12-14 08:05:20,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:05:20,447 INFO L225 Difference]: With dead ends: 44 [2022-12-14 08:05:20,448 INFO L226 Difference]: Without dead ends: 0 [2022-12-14 08:05:20,448 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:05:20,449 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 1 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 08:05:20,449 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 8 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 08:05:20,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-14 08:05:20,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-14 08:05:20,450 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) [2022-12-14 08:05:20,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-14 08:05:20,450 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2022-12-14 08:05:20,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:05:20,451 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-14 08:05:20,451 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:05:20,451 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-14 08:05:20,451 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 08:05:20,453 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (4 of 5 remaining) [2022-12-14 08:05:20,454 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (3 of 5 remaining) [2022-12-14 08:05:20,454 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2022-12-14 08:05:20,454 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 5 remaining) [2022-12-14 08:05:20,454 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 5 remaining) [2022-12-14 08:05:20,454 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 08:05:20,457 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-12-14 08:05:20,460 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-14 08:05:20,461 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 08:05:20,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 08:05:20 BasicIcfg [2022-12-14 08:05:20,463 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 08:05:20,463 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 08:05:20,463 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 08:05:20,464 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 08:05:20,464 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:05:17" (3/4) ... [2022-12-14 08:05:20,467 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 08:05:20,471 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2022-12-14 08:05:20,475 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-12-14 08:05:20,475 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-14 08:05:20,475 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-14 08:05:20,475 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 08:05:20,501 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996b54d1-d2f2-44da-848c-2ac20d52a80e/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 08:05:20,501 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 08:05:20,502 INFO L158 Benchmark]: Toolchain (without parser) took 3542.50ms. Allocated memory was 121.6MB in the beginning and 172.0MB in the end (delta: 50.3MB). Free memory was 85.8MB in the beginning and 85.8MB in the end (delta: -1.0kB). Peak memory consumption was 52.0MB. Max. memory is 16.1GB. [2022-12-14 08:05:20,502 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 121.6MB. Free memory is still 87.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 08:05:20,502 INFO L158 Benchmark]: CACSL2BoogieTranslator took 376.89ms. Allocated memory is still 121.6MB. Free memory was 85.8MB in the beginning and 66.6MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-14 08:05:20,503 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.39ms. Allocated memory is still 121.6MB. Free memory was 66.6MB in the beginning and 64.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 08:05:20,503 INFO L158 Benchmark]: Boogie Preprocessor took 16.61ms. Allocated memory is still 121.6MB. Free memory was 64.5MB in the beginning and 63.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 08:05:20,503 INFO L158 Benchmark]: RCFGBuilder took 305.50ms. Allocated memory was 121.6MB in the beginning and 172.0MB in the end (delta: 50.3MB). Free memory was 63.4MB in the beginning and 140.3MB in the end (delta: -76.9MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. [2022-12-14 08:05:20,504 INFO L158 Benchmark]: TraceAbstraction took 2757.91ms. Allocated memory is still 172.0MB. Free memory was 139.6MB in the beginning and 89.0MB in the end (delta: 50.7MB). Peak memory consumption was 50.6MB. Max. memory is 16.1GB. [2022-12-14 08:05:20,504 INFO L158 Benchmark]: Witness Printer took 37.94ms. Allocated memory is still 172.0MB. Free memory was 89.0MB in the beginning and 85.8MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 08:05:20,506 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 121.6MB. Free memory is still 87.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 376.89ms. Allocated memory is still 121.6MB. Free memory was 85.8MB in the beginning and 66.6MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.39ms. Allocated memory is still 121.6MB. Free memory was 66.6MB in the beginning and 64.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 16.61ms. Allocated memory is still 121.6MB. Free memory was 64.5MB in the beginning and 63.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 305.50ms. Allocated memory was 121.6MB in the beginning and 172.0MB in the end (delta: 50.3MB). Free memory was 63.4MB in the beginning and 140.3MB in the end (delta: -76.9MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. * TraceAbstraction took 2757.91ms. Allocated memory is still 172.0MB. Free memory was 139.6MB in the beginning and 89.0MB in the end (delta: 50.7MB). Peak memory consumption was 50.6MB. Max. memory is 16.1GB. * Witness Printer took 37.94ms. Allocated memory is still 172.0MB. Free memory was 89.0MB in the beginning and 85.8MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.0s, 86 PlacesBefore, 28 PlacesAfterwards, 83 TransitionsBefore, 25 TransitionsAfterwards, 1050 CoEnabledTransitionPairs, 14 FixpointIterations, 30 TrivialSequentialCompositions, 38 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 0 ChoiceCompositions, 74 TotalNumberOfCompositions, 6725 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2509, independent: 1967, independent conditional: 0, independent unconditional: 1967, dependent: 542, dependent conditional: 0, dependent unconditional: 542, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 747, independent: 698, independent conditional: 0, independent unconditional: 698, dependent: 49, dependent conditional: 0, dependent unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 747, independent: 613, independent conditional: 0, independent unconditional: 613, dependent: 134, dependent conditional: 0, dependent unconditional: 134, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 134, independent: 85, independent conditional: 0, independent unconditional: 85, dependent: 49, dependent conditional: 0, dependent unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 148, independent: 64, independent conditional: 0, independent unconditional: 64, dependent: 84, dependent conditional: 0, dependent unconditional: 84, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2509, independent: 1269, independent conditional: 0, independent unconditional: 1269, dependent: 493, dependent conditional: 0, dependent unconditional: 493, unknown: 747, unknown conditional: 0, unknown unconditional: 747] , Statistics on independence cache: Total cache size (in pairs): 101, Positive cache size: 74, Positive conditional cache size: 0, Positive unconditional cache size: 74, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, 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: 697]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 700]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 687]: 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, 100 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 2.7s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 25 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 25 mSDsluCounter, 37 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 13 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 142 IncrementalHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 24 mSDtfsCounter, 142 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=120occurred in iteration=1, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 7 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 32 ConstructedInterpolants, 0 QuantifiedInterpolants, 56 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-14 08:05:20,522 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996b54d1-d2f2-44da-848c-2ac20d52a80e/bin/utaipan-gh47qXpMRh/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