./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/05-lval_ls_08-glob_fld_2_rc.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_f0794a24-64cb-466a-a49f-2c5d5d5c3331/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0794a24-64cb-466a-a49f-2c5d5d5c3331/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_f0794a24-64cb-466a-a49f-2c5d5d5c3331/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0794a24-64cb-466a-a49f-2c5d5d5c3331/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/05-lval_ls_08-glob_fld_2_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0794a24-64cb-466a-a49f-2c5d5d5c3331/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_f0794a24-64cb-466a-a49f-2c5d5d5c3331/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 9df11a052e2c7230e1edfb210274e89333c68b57c4137552a35d25fe623d9561 --- 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 10:12:51,983 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 10:12:51,984 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 10:12:51,998 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 10:12:51,998 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 10:12:51,999 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 10:12:52,000 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 10:12:52,001 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 10:12:52,002 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 10:12:52,002 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 10:12:52,003 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 10:12:52,004 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 10:12:52,004 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 10:12:52,005 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 10:12:52,006 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 10:12:52,006 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 10:12:52,007 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 10:12:52,008 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 10:12:52,009 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 10:12:52,010 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 10:12:52,011 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 10:12:52,012 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 10:12:52,012 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 10:12:52,013 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 10:12:52,015 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 10:12:52,015 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 10:12:52,015 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 10:12:52,016 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 10:12:52,016 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 10:12:52,017 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 10:12:52,017 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 10:12:52,018 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 10:12:52,018 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 10:12:52,019 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 10:12:52,019 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 10:12:52,020 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 10:12:52,020 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 10:12:52,020 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 10:12:52,020 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 10:12:52,021 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 10:12:52,021 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 10:12:52,022 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0794a24-64cb-466a-a49f-2c5d5d5c3331/bin/utaipan-gh47qXpMRh/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-12-14 10:12:52,036 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 10:12:52,036 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 10:12:52,036 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 10:12:52,037 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 10:12:52,037 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 10:12:52,037 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 10:12:52,037 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 10:12:52,037 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 10:12:52,038 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 10:12:52,038 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 10:12:52,038 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 10:12:52,038 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 10:12:52,038 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 10:12:52,038 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 10:12:52,038 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 10:12:52,038 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 10:12:52,038 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 10:12:52,039 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 10:12:52,039 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 10:12:52,039 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 10:12:52,039 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 10:12:52,039 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 10:12:52,040 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 10:12:52,040 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 10:12:52,040 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 10:12:52,040 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 10:12:52,040 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 10:12:52,040 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-14 10:12:52,040 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 10:12:52,040 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 10:12:52,040 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 10:12:52,041 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 10:12:52,041 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 10:12:52,041 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 10:12:52,041 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 10:12:52,041 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 10:12:52,041 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 10:12:52,041 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 10:12:52,041 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 10:12:52,042 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 10:12:52,042 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 10:12:52,042 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 10:12:52,042 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 10:12:52,042 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_f0794a24-64cb-466a-a49f-2c5d5d5c3331/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0794a24-64cb-466a-a49f-2c5d5d5c3331/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9df11a052e2c7230e1edfb210274e89333c68b57c4137552a35d25fe623d9561 [2022-12-14 10:12:52,202 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 10:12:52,221 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 10:12:52,224 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 10:12:52,225 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 10:12:52,226 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 10:12:52,227 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0794a24-64cb-466a-a49f-2c5d5d5c3331/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/goblint-regression/05-lval_ls_08-glob_fld_2_rc.i [2022-12-14 10:12:54,816 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 10:12:54,991 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 10:12:54,991 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0794a24-64cb-466a-a49f-2c5d5d5c3331/sv-benchmarks/c/goblint-regression/05-lval_ls_08-glob_fld_2_rc.i [2022-12-14 10:12:55,000 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0794a24-64cb-466a-a49f-2c5d5d5c3331/bin/utaipan-gh47qXpMRh/data/8445e1ad4/dc9feb99d51444ee8ab577d75db059a0/FLAG12e5863ef [2022-12-14 10:12:55,367 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0794a24-64cb-466a-a49f-2c5d5d5c3331/bin/utaipan-gh47qXpMRh/data/8445e1ad4/dc9feb99d51444ee8ab577d75db059a0 [2022-12-14 10:12:55,369 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 10:12:55,370 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 10:12:55,370 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 10:12:55,370 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 10:12:55,373 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 10:12:55,374 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:12:55" (1/1) ... [2022-12-14 10:12:55,374 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4478704c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:12:55, skipping insertion in model container [2022-12-14 10:12:55,374 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:12:55" (1/1) ... [2022-12-14 10:12:55,379 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 10:12:55,401 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 10:12:55,583 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 10:12:55,591 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 10:12:55,623 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 10:12:55,642 INFO L208 MainTranslator]: Completed translation [2022-12-14 10:12:55,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:12:55 WrapperNode [2022-12-14 10:12:55,642 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 10:12:55,643 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 10:12:55,643 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 10:12:55,643 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 10:12:55,648 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:12:55" (1/1) ... [2022-12-14 10:12:55,657 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:12:55" (1/1) ... [2022-12-14 10:12:55,671 INFO L138 Inliner]: procedures = 161, calls = 19, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 50 [2022-12-14 10:12:55,671 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 10:12:55,672 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 10:12:55,672 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 10:12:55,672 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 10:12:55,678 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:12:55" (1/1) ... [2022-12-14 10:12:55,679 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:12:55" (1/1) ... [2022-12-14 10:12:55,681 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:12:55" (1/1) ... [2022-12-14 10:12:55,681 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:12:55" (1/1) ... [2022-12-14 10:12:55,686 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:12:55" (1/1) ... [2022-12-14 10:12:55,687 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:12:55" (1/1) ... [2022-12-14 10:12:55,688 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:12:55" (1/1) ... [2022-12-14 10:12:55,689 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:12:55" (1/1) ... [2022-12-14 10:12:55,690 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 10:12:55,691 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 10:12:55,691 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 10:12:55,691 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 10:12:55,692 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:12:55" (1/1) ... [2022-12-14 10:12:55,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 10:12:55,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0794a24-64cb-466a-a49f-2c5d5d5c3331/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 10:12:55,715 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0794a24-64cb-466a-a49f-2c5d5d5c3331/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 10:12:55,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0794a24-64cb-466a-a49f-2c5d5d5c3331/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 10:12:55,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 10:12:55,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 10:12:55,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 10:12:55,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 10:12:55,749 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-14 10:12:55,749 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-14 10:12:55,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 10:12:55,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 10:12:55,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 10:12:55,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 10:12:55,750 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 10:12:55,850 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 10:12:55,852 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 10:12:55,992 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 10:12:55,998 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 10:12:55,998 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 10:12:56,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:12:55 BoogieIcfgContainer [2022-12-14 10:12:56,000 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 10:12:56,002 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 10:12:56,002 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 10:12:56,004 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 10:12:56,004 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 10:12:55" (1/3) ... [2022-12-14 10:12:56,005 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bdc9671 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 10:12:56, skipping insertion in model container [2022-12-14 10:12:56,005 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:12:55" (2/3) ... [2022-12-14 10:12:56,005 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bdc9671 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 10:12:56, skipping insertion in model container [2022-12-14 10:12:56,005 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:12:55" (3/3) ... [2022-12-14 10:12:56,006 INFO L112 eAbstractionObserver]: Analyzing ICFG 05-lval_ls_08-glob_fld_2_rc.i [2022-12-14 10:12:56,013 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-14 10:12:56,021 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 10:12:56,021 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-12-14 10:12:56,021 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-14 10:12:56,078 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-14 10:12:56,102 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-14 10:12:56,121 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 106 places, 99 transitions, 208 flow [2022-12-14 10:12:56,123 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 106 places, 99 transitions, 208 flow [2022-12-14 10:12:56,125 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 106 places, 99 transitions, 208 flow [2022-12-14 10:12:56,182 INFO L130 PetriNetUnfolder]: 0/97 cut-off events. [2022-12-14 10:12:56,182 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-14 10:12:56,185 INFO L83 FinitePrefix]: Finished finitePrefix Result has 104 conditions, 97 events. 0/97 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 138 event pairs, 0 based on Foata normal form. 0/91 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2022-12-14 10:12:56,188 INFO L119 LiptonReduction]: Number of co-enabled transitions 3784 [2022-12-14 10:12:59,278 INFO L134 LiptonReduction]: Checked pairs total: 12181 [2022-12-14 10:12:59,278 INFO L136 LiptonReduction]: Total number of compositions: 69 [2022-12-14 10:12:59,284 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 44 places, 37 transitions, 84 flow [2022-12-14 10:12:59,329 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 931 states, 905 states have (on average 2.665193370165746) internal successors, (2412), 930 states have internal predecessors, (2412), 0 states have call successors, (0), 0 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 10:12:59,343 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 10:12:59,347 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;@3b2ee6a6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 10:12:59,347 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2022-12-14 10:12:59,351 INFO L276 IsEmpty]: Start isEmpty. Operand has 931 states, 905 states have (on average 2.665193370165746) internal successors, (2412), 930 states have internal predecessors, (2412), 0 states have call successors, (0), 0 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 10:12:59,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 10:12:59,354 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:12:59,355 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-12-14 10:12:59,355 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 7 more)] === [2022-12-14 10:12:59,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:12:59,359 INFO L85 PathProgramCache]: Analyzing trace with hash 281326684, now seen corresponding path program 1 times [2022-12-14 10:12:59,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:12:59,366 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904523093] [2022-12-14 10:12:59,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:12:59,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:12:59,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:12:59,486 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 10:12:59,486 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:12:59,486 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904523093] [2022-12-14 10:12:59,487 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904523093] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:12:59,487 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:12:59,487 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-14 10:12:59,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499240159] [2022-12-14 10:12:59,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:12:59,491 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 10:12:59,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:12:59,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 10:12:59,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 10:12:59,512 INFO L87 Difference]: Start difference. First operand has 931 states, 905 states have (on average 2.665193370165746) internal successors, (2412), 930 states have internal predecessors, (2412), 0 states have call successors, (0), 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 5.0) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 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 10:12:59,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:12:59,556 INFO L93 Difference]: Finished difference Result 481 states and 1122 transitions. [2022-12-14 10:12:59,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 10:12:59,558 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 5.0) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 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 5 [2022-12-14 10:12:59,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:12:59,567 INFO L225 Difference]: With dead ends: 481 [2022-12-14 10:12:59,567 INFO L226 Difference]: Without dead ends: 480 [2022-12-14 10:12:59,568 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 10:12:59,570 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 10:12:59,571 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 20 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 10:12:59,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2022-12-14 10:12:59,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 480. [2022-12-14 10:12:59,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 480 states, 472 states have (on average 2.3728813559322033) internal successors, (1120), 479 states have internal predecessors, (1120), 0 states have call successors, (0), 0 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 10:12:59,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 480 states and 1120 transitions. [2022-12-14 10:12:59,615 INFO L78 Accepts]: Start accepts. Automaton has 480 states and 1120 transitions. Word has length 5 [2022-12-14 10:12:59,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:12:59,615 INFO L495 AbstractCegarLoop]: Abstraction has 480 states and 1120 transitions. [2022-12-14 10:12:59,615 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 5.0) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 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 10:12:59,615 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 1120 transitions. [2022-12-14 10:12:59,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 10:12:59,616 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:12:59,616 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:12:59,616 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 10:12:59,617 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 7 more)] === [2022-12-14 10:12:59,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:12:59,617 INFO L85 PathProgramCache]: Analyzing trace with hash 303781380, now seen corresponding path program 1 times [2022-12-14 10:12:59,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:12:59,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925168634] [2022-12-14 10:12:59,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:12:59,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:12:59,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:12:59,873 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 10:12:59,873 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:12:59,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925168634] [2022-12-14 10:12:59,873 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1925168634] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:12:59,874 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:12:59,874 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 10:12:59,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171958570] [2022-12-14 10:12:59,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:12:59,875 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 10:12:59,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:12:59,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 10:12:59,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 10:12:59,876 INFO L87 Difference]: Start difference. First operand 480 states and 1120 transitions. Second operand has 6 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 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 10:13:00,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:13:00,116 INFO L93 Difference]: Finished difference Result 792 states and 1857 transitions. [2022-12-14 10:13:00,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 10:13:00,117 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 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 8 [2022-12-14 10:13:00,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:13:00,120 INFO L225 Difference]: With dead ends: 792 [2022-12-14 10:13:00,120 INFO L226 Difference]: Without dead ends: 792 [2022-12-14 10:13:00,121 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 [2022-12-14 10:13:00,121 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 48 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 10:13:00,122 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 12 Invalid, 300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 10:13:00,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 792 states. [2022-12-14 10:13:00,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 792 to 576. [2022-12-14 10:13:00,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 576 states, 569 states have (on average 2.40597539543058) internal successors, (1369), 575 states have internal predecessors, (1369), 0 states have call successors, (0), 0 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 10:13:00,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 576 states and 1369 transitions. [2022-12-14 10:13:00,141 INFO L78 Accepts]: Start accepts. Automaton has 576 states and 1369 transitions. Word has length 8 [2022-12-14 10:13:00,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:13:00,141 INFO L495 AbstractCegarLoop]: Abstraction has 576 states and 1369 transitions. [2022-12-14 10:13:00,141 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 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 10:13:00,141 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 1369 transitions. [2022-12-14 10:13:00,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 10:13:00,142 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:13:00,142 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:13:00,142 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 10:13:00,142 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 7 more)] === [2022-12-14 10:13:00,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:13:00,143 INFO L85 PathProgramCache]: Analyzing trace with hash -728494138, now seen corresponding path program 1 times [2022-12-14 10:13:00,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:13:00,143 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668924821] [2022-12-14 10:13:00,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:13:00,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:13:00,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:13:00,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 10:13:00,314 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:13:00,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668924821] [2022-12-14 10:13:00,315 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668924821] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:13:00,315 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:13:00,315 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 10:13:00,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829660843] [2022-12-14 10:13:00,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:13:00,316 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 10:13:00,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:13:00,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 10:13:00,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 10:13:00,317 INFO L87 Difference]: Start difference. First operand 576 states and 1369 transitions. Second operand has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:13:00,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:13:00,524 INFO L93 Difference]: Finished difference Result 778 states and 1839 transitions. [2022-12-14 10:13:00,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 10:13:00,524 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-12-14 10:13:00,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:13:00,526 INFO L225 Difference]: With dead ends: 778 [2022-12-14 10:13:00,527 INFO L226 Difference]: Without dead ends: 748 [2022-12-14 10:13:00,527 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 [2022-12-14 10:13:00,528 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 31 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 10:13:00,528 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 16 Invalid, 224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 10:13:00,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 748 states. [2022-12-14 10:13:00,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 748 to 650. [2022-12-14 10:13:00,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 650 states, 643 states have (on average 2.402799377916019) internal successors, (1545), 649 states have internal predecessors, (1545), 0 states have call successors, (0), 0 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 10:13:00,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 1545 transitions. [2022-12-14 10:13:00,550 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 1545 transitions. Word has length 14 [2022-12-14 10:13:00,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:13:00,550 INFO L495 AbstractCegarLoop]: Abstraction has 650 states and 1545 transitions. [2022-12-14 10:13:00,551 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:13:00,551 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 1545 transitions. [2022-12-14 10:13:00,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 10:13:00,552 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:13:00,552 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:13:00,552 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 10:13:00,552 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 7 more)] === [2022-12-14 10:13:00,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:13:00,553 INFO L85 PathProgramCache]: Analyzing trace with hash 1374805140, now seen corresponding path program 1 times [2022-12-14 10:13:00,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:13:00,553 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048734179] [2022-12-14 10:13:00,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:13:00,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:13:00,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:13:00,713 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 10:13:00,714 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:13:00,714 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048734179] [2022-12-14 10:13:00,714 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048734179] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:13:00,714 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:13:00,714 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 10:13:00,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913392227] [2022-12-14 10:13:00,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:13:00,715 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 10:13:00,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:13:00,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 10:13:00,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 10:13:00,716 INFO L87 Difference]: Start difference. First operand 650 states and 1545 transitions. Second operand has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:13:00,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:13:00,913 INFO L93 Difference]: Finished difference Result 818 states and 1913 transitions. [2022-12-14 10:13:00,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 10:13:00,913 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-12-14 10:13:00,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:13:00,917 INFO L225 Difference]: With dead ends: 818 [2022-12-14 10:13:00,917 INFO L226 Difference]: Without dead ends: 786 [2022-12-14 10:13:00,918 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 [2022-12-14 10:13:00,919 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 22 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 10:13:00,919 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 16 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 10:13:00,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 786 states. [2022-12-14 10:13:00,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 786 to 688. [2022-12-14 10:13:00,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 688 states, 681 states have (on average 2.3656387665198237) internal successors, (1611), 687 states have internal predecessors, (1611), 0 states have call successors, (0), 0 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 10:13:00,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 688 states and 1611 transitions. [2022-12-14 10:13:00,941 INFO L78 Accepts]: Start accepts. Automaton has 688 states and 1611 transitions. Word has length 16 [2022-12-14 10:13:00,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:13:00,941 INFO L495 AbstractCegarLoop]: Abstraction has 688 states and 1611 transitions. [2022-12-14 10:13:00,941 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 10:13:00,941 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 1611 transitions. [2022-12-14 10:13:00,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 10:13:00,943 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:13:00,943 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:13:00,943 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 10:13:00,944 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 7 more)] === [2022-12-14 10:13:00,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:13:00,944 INFO L85 PathProgramCache]: Analyzing trace with hash -2061005953, now seen corresponding path program 1 times [2022-12-14 10:13:00,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:13:00,944 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477315693] [2022-12-14 10:13:00,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:13:00,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:13:00,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 10:13:00,965 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 10:13:00,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 10:13:00,996 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-12-14 10:13:00,996 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 10:13:00,997 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (9 of 10 remaining) [2022-12-14 10:13:00,998 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (8 of 10 remaining) [2022-12-14 10:13:00,998 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (7 of 10 remaining) [2022-12-14 10:13:00,998 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 10 remaining) [2022-12-14 10:13:00,999 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 10 remaining) [2022-12-14 10:13:00,999 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (4 of 10 remaining) [2022-12-14 10:13:00,999 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (3 of 10 remaining) [2022-12-14 10:13:00,999 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 10 remaining) [2022-12-14 10:13:00,999 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 10 remaining) [2022-12-14 10:13:00,999 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 10 remaining) [2022-12-14 10:13:01,000 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 10:13:01,001 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-12-14 10:13:01,006 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-14 10:13:01,006 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 10:13:01,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 10:13:01 BasicIcfg [2022-12-14 10:13:01,023 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 10:13:01,023 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 10:13:01,023 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 10:13:01,024 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 10:13:01,024 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:12:55" (3/4) ... [2022-12-14 10:13:01,026 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-14 10:13:01,026 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 10:13:01,026 INFO L158 Benchmark]: Toolchain (without parser) took 5656.87ms. Allocated memory was 127.9MB in the beginning and 176.2MB in the end (delta: 48.2MB). Free memory was 94.0MB in the beginning and 115.7MB in the end (delta: -21.8MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. [2022-12-14 10:13:01,027 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 127.9MB. Free memory is still 70.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 10:13:01,027 INFO L158 Benchmark]: CACSL2BoogieTranslator took 272.38ms. Allocated memory is still 127.9MB. Free memory was 94.0MB in the beginning and 75.4MB in the end (delta: 18.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-14 10:13:01,027 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.27ms. Allocated memory is still 127.9MB. Free memory was 75.4MB in the beginning and 73.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 10:13:01,027 INFO L158 Benchmark]: Boogie Preprocessor took 18.59ms. Allocated memory is still 127.9MB. Free memory was 73.3MB in the beginning and 71.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 10:13:01,027 INFO L158 Benchmark]: RCFGBuilder took 308.89ms. Allocated memory is still 127.9MB. Free memory was 71.7MB in the beginning and 58.2MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-14 10:13:01,028 INFO L158 Benchmark]: TraceAbstraction took 5021.55ms. Allocated memory was 127.9MB in the beginning and 176.2MB in the end (delta: 48.2MB). Free memory was 57.5MB in the beginning and 115.7MB in the end (delta: -58.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 10:13:01,028 INFO L158 Benchmark]: Witness Printer took 2.57ms. Allocated memory is still 176.2MB. Free memory is still 115.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 10:13:01,029 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 127.9MB. Free memory is still 70.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 272.38ms. Allocated memory is still 127.9MB. Free memory was 94.0MB in the beginning and 75.4MB in the end (delta: 18.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.27ms. Allocated memory is still 127.9MB. Free memory was 75.4MB in the beginning and 73.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.59ms. Allocated memory is still 127.9MB. Free memory was 73.3MB in the beginning and 71.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 308.89ms. Allocated memory is still 127.9MB. Free memory was 71.7MB in the beginning and 58.2MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 5021.55ms. Allocated memory was 127.9MB in the beginning and 176.2MB in the end (delta: 48.2MB). Free memory was 57.5MB in the beginning and 115.7MB in the end (delta: -58.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.57ms. Allocated memory is still 176.2MB. Free memory is still 115.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.2s, 106 PlacesBefore, 44 PlacesAfterwards, 99 TransitionsBefore, 37 TransitionsAfterwards, 3784 CoEnabledTransitionPairs, 6 FixpointIterations, 16 TrivialSequentialCompositions, 53 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 69 TotalNumberOfCompositions, 12181 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4740, independent: 4371, independent conditional: 0, independent unconditional: 4371, dependent: 369, dependent conditional: 0, dependent unconditional: 369, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2472, independent: 2378, independent conditional: 0, independent unconditional: 2378, dependent: 94, dependent conditional: 0, dependent unconditional: 94, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2472, independent: 1834, independent conditional: 0, independent unconditional: 1834, dependent: 638, dependent conditional: 0, dependent unconditional: 638, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 638, independent: 544, independent conditional: 0, independent unconditional: 544, dependent: 94, dependent conditional: 0, dependent unconditional: 94, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1037, independent: 887, independent conditional: 0, independent unconditional: 887, dependent: 150, dependent conditional: 0, dependent unconditional: 150, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4740, independent: 1993, independent conditional: 0, independent unconditional: 1993, dependent: 275, dependent conditional: 0, dependent unconditional: 275, unknown: 2472, unknown conditional: 0, unknown unconditional: 2472] , Statistics on independence cache: Total cache size (in pairs): 366, Positive cache size: 297, Positive conditional cache size: 0, Positive unconditional cache size: 297, Negative cache size: 69, Negative conditional cache size: 0, Negative unconditional cache size: 69, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - DataRaceFoundResult [Line: 684]: Data race detected Data race detected The following path leads to a data race: [L679-L682] 0 struct { int x; int y; } data; [L688] 0 pthread_t id, id2; [L689] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, data={1:0}, id={6:0}, id={5:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=0] [L684] EXPR 1 data.x VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=0] [L684] 1 data.x++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=0] [L690] FCALL, FORK 0 pthread_create(&id2, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=0, id={5:0}, id={6:0}, pthread_create(&id2, ((void *)0), t_fun, ((void *)0))=1] [L684] 1 data.x++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=0, data.x++=0data.x++=9] [L684] EXPR 2 data.x VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=1, data.x++=0data.x++=9] [L684] 2 data.x++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=1, data.x++=0data.x++=9] Now there is a data race, but we were unable to determine exactly which statements and variables are involved. There could be a race between one of the statements * C: data.x++ [684] * C: data.x++ [684] * C: data.x++ [684] * C: data.x++ [684] and C: data.x++ [684] - UnprovableResult [Line: 691]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 691]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 690]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 689]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 684]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 4 procedures, 125 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 4.9s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 101 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 101 mSDsluCounter, 64 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 105 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 637 IncrementalHoareTripleChecker+Invalid, 742 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 105 mSolverCounterUnsat, 64 mSDtfsCounter, 637 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=931occurred in iteration=0, InterpolantAutomatonStates: 20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 412 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 61 NumberOfCodeBlocks, 61 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 39 ConstructedInterpolants, 0 QuantifiedInterpolants, 282 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 RESULT: Ultimate proved your program to be incorrect! [2022-12-14 10:13:01,054 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0794a24-64cb-466a-a49f-2c5d5d5c3331/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE