./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/05-lval_ls_15-fldunknown_access.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_5647b34b-f35d-4b02-84f0-adc2d71af9db/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5647b34b-f35d-4b02-84f0-adc2d71af9db/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_5647b34b-f35d-4b02-84f0-adc2d71af9db/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5647b34b-f35d-4b02-84f0-adc2d71af9db/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/05-lval_ls_15-fldunknown_access.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5647b34b-f35d-4b02-84f0-adc2d71af9db/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_5647b34b-f35d-4b02-84f0-adc2d71af9db/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 a138099a172ffd618c200f98f002dd42af622d442f084454d63ab9b76b3cf563 --- 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 08:34:01,603 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 08:34:01,605 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 08:34:01,622 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 08:34:01,623 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 08:34:01,623 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 08:34:01,625 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 08:34:01,626 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 08:34:01,628 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 08:34:01,628 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 08:34:01,629 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 08:34:01,630 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 08:34:01,630 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 08:34:01,631 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 08:34:01,632 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 08:34:01,633 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 08:34:01,634 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 08:34:01,635 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 08:34:01,636 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 08:34:01,638 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 08:34:01,639 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 08:34:01,640 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 08:34:01,641 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 08:34:01,642 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 08:34:01,645 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 08:34:01,646 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 08:34:01,646 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 08:34:01,647 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 08:34:01,647 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 08:34:01,648 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 08:34:01,648 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 08:34:01,649 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 08:34:01,650 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 08:34:01,650 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 08:34:01,651 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 08:34:01,651 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 08:34:01,652 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 08:34:01,652 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 08:34:01,652 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 08:34:01,653 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 08:34:01,654 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 08:34:01,654 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5647b34b-f35d-4b02-84f0-adc2d71af9db/bin/utaipan-gh47qXpMRh/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-12-14 08:34:01,675 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 08:34:01,675 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 08:34:01,675 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 08:34:01,675 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 08:34:01,681 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 08:34:01,682 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 08:34:01,682 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 08:34:01,682 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 08:34:01,682 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 08:34:01,682 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 08:34:01,683 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 08:34:01,683 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 08:34:01,683 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 08:34:01,683 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 08:34:01,683 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 08:34:01,684 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 08:34:01,684 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 08:34:01,684 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 08:34:01,685 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 08:34:01,685 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 08:34:01,685 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 08:34:01,685 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 08:34:01,685 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 08:34:01,686 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 08:34:01,686 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 08:34:01,686 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 08:34:01,686 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 08:34:01,686 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-14 08:34:01,686 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 08:34:01,687 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 08:34:01,687 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 08:34:01,687 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 08:34:01,687 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 08:34:01,687 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 08:34:01,688 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:34:01,688 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 08:34:01,688 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 08:34:01,688 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 08:34:01,688 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 08:34:01,689 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 08:34:01,689 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 08:34:01,689 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 08:34:01,689 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 08:34:01,689 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_5647b34b-f35d-4b02-84f0-adc2d71af9db/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5647b34b-f35d-4b02-84f0-adc2d71af9db/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a138099a172ffd618c200f98f002dd42af622d442f084454d63ab9b76b3cf563 [2022-12-14 08:34:01,887 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 08:34:01,905 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 08:34:01,907 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 08:34:01,907 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 08:34:01,908 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 08:34:01,909 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5647b34b-f35d-4b02-84f0-adc2d71af9db/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/goblint-regression/05-lval_ls_15-fldunknown_access.i [2022-12-14 08:34:04,467 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 08:34:04,679 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 08:34:04,679 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5647b34b-f35d-4b02-84f0-adc2d71af9db/sv-benchmarks/c/goblint-regression/05-lval_ls_15-fldunknown_access.i [2022-12-14 08:34:04,688 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5647b34b-f35d-4b02-84f0-adc2d71af9db/bin/utaipan-gh47qXpMRh/data/2de595454/834050126abf4cf7b948dc462620b788/FLAGe9c5e6d42 [2022-12-14 08:34:05,047 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5647b34b-f35d-4b02-84f0-adc2d71af9db/bin/utaipan-gh47qXpMRh/data/2de595454/834050126abf4cf7b948dc462620b788 [2022-12-14 08:34:05,050 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 08:34:05,052 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 08:34:05,053 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 08:34:05,053 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 08:34:05,058 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 08:34:05,058 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:34:05" (1/1) ... [2022-12-14 08:34:05,060 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@398c1980 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:34:05, skipping insertion in model container [2022-12-14 08:34:05,060 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:34:05" (1/1) ... [2022-12-14 08:34:05,068 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 08:34:05,105 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 08:34:05,395 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:34:05,401 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 08:34:05,430 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:34:05,462 INFO L208 MainTranslator]: Completed translation [2022-12-14 08:34:05,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:34:05 WrapperNode [2022-12-14 08:34:05,463 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 08:34:05,464 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 08:34:05,464 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 08:34:05,464 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 08:34:05,469 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:34:05" (1/1) ... [2022-12-14 08:34:05,479 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:34:05" (1/1) ... [2022-12-14 08:34:05,492 INFO L138 Inliner]: procedures = 262, calls = 14, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 46 [2022-12-14 08:34:05,493 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 08:34:05,493 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 08:34:05,493 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 08:34:05,493 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 08:34:05,500 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:34:05" (1/1) ... [2022-12-14 08:34:05,500 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:34:05" (1/1) ... [2022-12-14 08:34:05,503 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:34:05" (1/1) ... [2022-12-14 08:34:05,503 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:34:05" (1/1) ... [2022-12-14 08:34:05,508 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:34:05" (1/1) ... [2022-12-14 08:34:05,509 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:34:05" (1/1) ... [2022-12-14 08:34:05,510 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:34:05" (1/1) ... [2022-12-14 08:34:05,511 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:34:05" (1/1) ... [2022-12-14 08:34:05,512 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 08:34:05,513 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 08:34:05,513 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 08:34:05,513 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 08:34:05,514 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:34:05" (1/1) ... [2022-12-14 08:34:05,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:34:05,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5647b34b-f35d-4b02-84f0-adc2d71af9db/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:34:05,536 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5647b34b-f35d-4b02-84f0-adc2d71af9db/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 08:34:05,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5647b34b-f35d-4b02-84f0-adc2d71af9db/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 08:34:05,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 08:34:05,570 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 08:34:05,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 08:34:05,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 08:34:05,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 08:34:05,571 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-14 08:34:05,571 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-14 08:34:05,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 08:34:05,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 08:34:05,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 08:34:05,573 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 08:34:05,657 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 08:34:05,659 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 08:34:05,803 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 08:34:05,810 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 08:34:05,810 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 08:34:05,812 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:34:05 BoogieIcfgContainer [2022-12-14 08:34:05,812 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 08:34:05,814 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 08:34:05,815 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 08:34:05,818 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 08:34:05,818 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 08:34:05" (1/3) ... [2022-12-14 08:34:05,819 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@126935f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 08:34:05, skipping insertion in model container [2022-12-14 08:34:05,819 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:34:05" (2/3) ... [2022-12-14 08:34:05,819 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@126935f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 08:34:05, skipping insertion in model container [2022-12-14 08:34:05,819 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:34:05" (3/3) ... [2022-12-14 08:34:05,821 INFO L112 eAbstractionObserver]: Analyzing ICFG 05-lval_ls_15-fldunknown_access.i [2022-12-14 08:34:05,829 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-14 08:34:05,845 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 08:34:05,845 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-12-14 08:34:05,846 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-14 08:34:05,894 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-14 08:34:05,921 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-14 08:34:05,931 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 78 places, 75 transitions, 155 flow [2022-12-14 08:34:05,933 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 78 places, 75 transitions, 155 flow [2022-12-14 08:34:05,934 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 78 places, 75 transitions, 155 flow [2022-12-14 08:34:05,969 INFO L130 PetriNetUnfolder]: 1/74 cut-off events. [2022-12-14 08:34:05,969 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-14 08:34:05,973 INFO L83 FinitePrefix]: Finished finitePrefix Result has 78 conditions, 74 events. 1/74 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 54 event pairs, 0 based on Foata normal form. 0/69 useless extension candidates. Maximal degree in co-relation 24. Up to 2 conditions per place. [2022-12-14 08:34:05,973 INFO L119 LiptonReduction]: Number of co-enabled transitions 1188 [2022-12-14 08:34:07,519 INFO L134 LiptonReduction]: Checked pairs total: 5514 [2022-12-14 08:34:07,520 INFO L136 LiptonReduction]: Total number of compositions: 44 [2022-12-14 08:34:07,527 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 35 places, 31 transitions, 67 flow [2022-12-14 08:34:07,551 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 226 states, 218 states have (on average 1.926605504587156) internal successors, (420), 225 states have internal predecessors, (420), 0 states have call successors, (0), 0 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 08:34:07,567 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 08:34:07,573 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;@7c1b92df, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 08:34:07,574 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-12-14 08:34:07,577 INFO L276 IsEmpty]: Start isEmpty. Operand has 226 states, 218 states have (on average 1.926605504587156) internal successors, (420), 225 states have internal predecessors, (420), 0 states have call successors, (0), 0 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 08:34:07,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 08:34:07,582 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:34:07,582 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:34:07,583 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-14 08:34:07,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:34:07,587 INFO L85 PathProgramCache]: Analyzing trace with hash 1100426147, now seen corresponding path program 1 times [2022-12-14 08:34:07,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:34:07,596 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828591748] [2022-12-14 08:34:07,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:34:07,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:34:07,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:34:08,068 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 08:34:08,069 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:34:08,069 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828591748] [2022-12-14 08:34:08,069 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1828591748] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:34:08,070 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:34:08,070 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 08:34:08,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555331136] [2022-12-14 08:34:08,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:34:08,075 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 08:34:08,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:34:08,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 08:34:08,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 08:34:08,098 INFO L87 Difference]: Start difference. First operand has 226 states, 218 states have (on average 1.926605504587156) internal successors, (420), 225 states have internal predecessors, (420), 0 states have call successors, (0), 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 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 08:34:08,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:34:08,283 INFO L93 Difference]: Finished difference Result 253 states and 468 transitions. [2022-12-14 08:34:08,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 08:34:08,285 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 08:34:08,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:34:08,295 INFO L225 Difference]: With dead ends: 253 [2022-12-14 08:34:08,296 INFO L226 Difference]: Without dead ends: 253 [2022-12-14 08:34:08,296 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 08:34:08,299 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 30 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 191 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 08:34:08,300 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 16 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 191 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 08:34:08,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2022-12-14 08:34:08,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 241. [2022-12-14 08:34:08,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 234 states have (on average 1.9059829059829059) internal successors, (446), 240 states have internal predecessors, (446), 0 states have call successors, (0), 0 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 08:34:08,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 446 transitions. [2022-12-14 08:34:08,348 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 446 transitions. Word has length 8 [2022-12-14 08:34:08,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:34:08,348 INFO L495 AbstractCegarLoop]: Abstraction has 241 states and 446 transitions. [2022-12-14 08:34:08,349 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 08:34:08,349 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 446 transitions. [2022-12-14 08:34:08,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 08:34:08,349 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:34:08,350 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:34:08,350 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 08:34:08,350 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-14 08:34:08,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:34:08,350 INFO L85 PathProgramCache]: Analyzing trace with hash 454859993, now seen corresponding path program 1 times [2022-12-14 08:34:08,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:34:08,351 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509551247] [2022-12-14 08:34:08,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:34:08,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:34:08,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:34:08,493 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 08:34:08,493 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:34:08,493 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509551247] [2022-12-14 08:34:08,493 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1509551247] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:34:08,494 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:34:08,494 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 08:34:08,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475865494] [2022-12-14 08:34:08,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:34:08,495 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 08:34:08,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:34:08,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 08:34:08,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 08:34:08,496 INFO L87 Difference]: Start difference. First operand 241 states and 446 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 08:34:08,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:34:08,655 INFO L93 Difference]: Finished difference Result 269 states and 496 transitions. [2022-12-14 08:34:08,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 08:34:08,656 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 08:34:08,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:34:08,657 INFO L225 Difference]: With dead ends: 269 [2022-12-14 08:34:08,657 INFO L226 Difference]: Without dead ends: 269 [2022-12-14 08:34:08,657 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 08:34:08,659 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 22 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 191 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 08:34:08,659 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 27 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 191 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 08:34:08,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2022-12-14 08:34:08,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 257. [2022-12-14 08:34:08,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 250 states have (on average 1.896) internal successors, (474), 256 states have internal predecessors, (474), 0 states have call successors, (0), 0 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 08:34:08,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 474 transitions. [2022-12-14 08:34:08,675 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 474 transitions. Word has length 8 [2022-12-14 08:34:08,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:34:08,675 INFO L495 AbstractCegarLoop]: Abstraction has 257 states and 474 transitions. [2022-12-14 08:34:08,676 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 08:34:08,676 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 474 transitions. [2022-12-14 08:34:08,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 08:34:08,677 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:34:08,677 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:34:08,677 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 08:34:08,677 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-14 08:34:08,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:34:08,678 INFO L85 PathProgramCache]: Analyzing trace with hash 1940188394, now seen corresponding path program 1 times [2022-12-14 08:34:08,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:34:08,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659490861] [2022-12-14 08:34:08,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:34:08,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:34:08,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:34:08,864 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 08:34:08,864 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:34:08,864 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659490861] [2022-12-14 08:34:08,865 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659490861] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:34:08,865 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:34:08,865 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 08:34:08,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104570738] [2022-12-14 08:34:08,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:34:08,866 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 08:34:08,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:34:08,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 08:34:08,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 08:34:08,867 INFO L87 Difference]: Start difference. First operand 257 states and 474 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 08:34:08,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:34:08,999 INFO L93 Difference]: Finished difference Result 306 states and 567 transitions. [2022-12-14 08:34:08,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 08:34:08,999 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 08:34:08,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:34:09,001 INFO L225 Difference]: With dead ends: 306 [2022-12-14 08:34:09,001 INFO L226 Difference]: Without dead ends: 294 [2022-12-14 08:34:09,002 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 08:34:09,003 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 24 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 08:34:09,003 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 17 Invalid, 231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 08:34:09,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2022-12-14 08:34:09,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 294. [2022-12-14 08:34:09,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 287 states have (on average 1.89198606271777) internal successors, (543), 293 states have internal predecessors, (543), 0 states have call successors, (0), 0 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 08:34:09,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 543 transitions. [2022-12-14 08:34:09,017 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 543 transitions. Word has length 14 [2022-12-14 08:34:09,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:34:09,018 INFO L495 AbstractCegarLoop]: Abstraction has 294 states and 543 transitions. [2022-12-14 08:34:09,018 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 08:34:09,018 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 543 transitions. [2022-12-14 08:34:09,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 08:34:09,019 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:34:09,019 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:34:09,019 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 08:34:09,020 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-14 08:34:09,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:34:09,020 INFO L85 PathProgramCache]: Analyzing trace with hash 163651071, now seen corresponding path program 1 times [2022-12-14 08:34:09,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:34:09,020 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403524152] [2022-12-14 08:34:09,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:34:09,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:34:09,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:34:09,169 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 08:34:09,169 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:34:09,169 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403524152] [2022-12-14 08:34:09,169 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1403524152] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:34:09,169 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:34:09,170 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 08:34:09,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473705555] [2022-12-14 08:34:09,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:34:09,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 08:34:09,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:34:09,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 08:34:09,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-14 08:34:09,171 INFO L87 Difference]: Start difference. First operand 294 states and 543 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 08:34:09,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:34:09,275 INFO L93 Difference]: Finished difference Result 342 states and 632 transitions. [2022-12-14 08:34:09,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 08:34:09,275 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 08:34:09,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:34:09,276 INFO L225 Difference]: With dead ends: 342 [2022-12-14 08:34:09,276 INFO L226 Difference]: Without dead ends: 330 [2022-12-14 08:34:09,277 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 08:34:09,277 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 24 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 08:34:09,278 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 26 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 08:34:09,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2022-12-14 08:34:09,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 330. [2022-12-14 08:34:09,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 323 states have (on average 1.8761609907120742) internal successors, (606), 329 states have internal predecessors, (606), 0 states have call successors, (0), 0 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 08:34:09,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 606 transitions. [2022-12-14 08:34:09,288 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 606 transitions. Word has length 14 [2022-12-14 08:34:09,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:34:09,288 INFO L495 AbstractCegarLoop]: Abstraction has 330 states and 606 transitions. [2022-12-14 08:34:09,288 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 08:34:09,289 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 606 transitions. [2022-12-14 08:34:09,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 08:34:09,290 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:34:09,290 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:34:09,290 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 08:34:09,290 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-14 08:34:09,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:34:09,291 INFO L85 PathProgramCache]: Analyzing trace with hash 847416610, now seen corresponding path program 1 times [2022-12-14 08:34:09,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:34:09,291 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623670656] [2022-12-14 08:34:09,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:34:09,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:34:09,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 08:34:09,309 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 08:34:09,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 08:34:09,342 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-12-14 08:34:09,342 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 08:34:09,343 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2022-12-14 08:34:09,345 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2022-12-14 08:34:09,345 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2022-12-14 08:34:09,346 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2022-12-14 08:34:09,346 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2022-12-14 08:34:09,346 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2022-12-14 08:34:09,346 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2022-12-14 08:34:09,346 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 08:34:09,349 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-12-14 08:34:09,354 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-14 08:34:09,354 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 08:34:09,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 08:34:09 BasicIcfg [2022-12-14 08:34:09,379 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 08:34:09,380 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 08:34:09,380 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 08:34:09,380 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 08:34:09,380 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:34:05" (3/4) ... [2022-12-14 08:34:09,382 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-14 08:34:09,382 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 08:34:09,383 INFO L158 Benchmark]: Toolchain (without parser) took 4331.47ms. Allocated memory is still 153.1MB. Free memory was 116.4MB in the beginning and 63.6MB in the end (delta: 52.8MB). Peak memory consumption was 53.9MB. Max. memory is 16.1GB. [2022-12-14 08:34:09,383 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 115.3MB. Free memory is still 87.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 08:34:09,383 INFO L158 Benchmark]: CACSL2BoogieTranslator took 410.16ms. Allocated memory is still 153.1MB. Free memory was 115.9MB in the beginning and 89.2MB in the end (delta: 26.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-12-14 08:34:09,384 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.15ms. Allocated memory is still 153.1MB. Free memory was 89.2MB in the beginning and 87.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 08:34:09,384 INFO L158 Benchmark]: Boogie Preprocessor took 19.44ms. Allocated memory is still 153.1MB. Free memory was 87.1MB in the beginning and 85.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 08:34:09,384 INFO L158 Benchmark]: RCFGBuilder took 299.12ms. Allocated memory is still 153.1MB. Free memory was 85.0MB in the beginning and 71.3MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-14 08:34:09,385 INFO L158 Benchmark]: TraceAbstraction took 3564.92ms. Allocated memory is still 153.1MB. Free memory was 70.3MB in the beginning and 63.6MB in the end (delta: 6.8MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2022-12-14 08:34:09,385 INFO L158 Benchmark]: Witness Printer took 2.57ms. Allocated memory is still 153.1MB. Free memory is still 63.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 08:34:09,387 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 115.3MB. Free memory is still 87.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 410.16ms. Allocated memory is still 153.1MB. Free memory was 115.9MB in the beginning and 89.2MB in the end (delta: 26.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.15ms. Allocated memory is still 153.1MB. Free memory was 89.2MB in the beginning and 87.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.44ms. Allocated memory is still 153.1MB. Free memory was 87.1MB in the beginning and 85.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 299.12ms. Allocated memory is still 153.1MB. Free memory was 85.0MB in the beginning and 71.3MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 3564.92ms. Allocated memory is still 153.1MB. Free memory was 70.3MB in the beginning and 63.6MB in the end (delta: 6.8MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. * Witness Printer took 2.57ms. Allocated memory is still 153.1MB. Free memory is still 63.6MB. 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: 1.6s, 78 PlacesBefore, 35 PlacesAfterwards, 75 TransitionsBefore, 31 TransitionsAfterwards, 1188 CoEnabledTransitionPairs, 5 FixpointIterations, 22 TrivialSequentialCompositions, 21 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 1 ChoiceCompositions, 44 TotalNumberOfCompositions, 5514 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1324, independent: 1018, independent conditional: 0, independent unconditional: 1018, dependent: 306, dependent conditional: 0, dependent unconditional: 306, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 681, independent: 587, independent conditional: 0, independent unconditional: 587, 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: 681, independent: 543, independent conditional: 0, independent unconditional: 543, dependent: 138, dependent conditional: 0, dependent unconditional: 138, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 138, independent: 44, independent conditional: 0, independent unconditional: 44, dependent: 94, dependent conditional: 0, dependent unconditional: 94, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 313, independent: 84, independent conditional: 0, independent unconditional: 84, dependent: 229, dependent conditional: 0, dependent unconditional: 229, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1324, independent: 431, independent conditional: 0, independent unconditional: 431, dependent: 212, dependent conditional: 0, dependent unconditional: 212, unknown: 681, unknown conditional: 0, unknown unconditional: 681] , Statistics on independence cache: Total cache size (in pairs): 153, Positive cache size: 94, Positive conditional cache size: 0, Positive unconditional cache size: 94, Negative cache size: 59, Negative conditional cache size: 0, Negative unconditional cache size: 59, 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: 932]: Data race detected Data race detected The following path leads to a data race: [L918-L921] 0 struct { int x; int y; } data; [L927] 0 int *i,j = __VERIFIER_nondet_int(); [L927] 0 int *i,j = __VERIFIER_nondet_int(); [L928] 0 pthread_t id; [L929] COND TRUE 0 \read(j) [L929] 0 i = &data.x [L931] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, data={1:0}, i={1:0}, id={5:0}, j=1, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L932] EXPR 0 \read(*i) VAL [\read(*i)=0, arg={0:0}, data={1:0}, i={1:0}, id={5:0}, j=1] [L932] 0 (*i)++ VAL [\read(*i)=0, arg={0:0}, data={1:0}, i={1:0}, id={5:0}, j=1] [L923] EXPR 1 data.x VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=0] [L932] 0 (*i)++ VAL [(*i)++=9, (*i)++=0, \read(*i)=0, arg={0:0}, arg={0:0}, data={1:0}, data.x=0, i={1:0}, id={5:0}, j=1] [L923] 1 data.x++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=0] [L932] 0 (*i)++ VAL [(*i)++=9, (*i)++=0, \read(*i)=0, arg={0:0}, arg={0:0}, data={1:0}, data.x=0, i={1:0}, id={5:0}, j=1] 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: (*i)++ [932] * C: (*i)++ [932] * C: (*i)++ [932] * C: data.x++ [923] * C: (*i)++ [932] and C: (*i)++ [932] - UnprovableResult [Line: 932]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 931]: 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: 923]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 923]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 99 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 3.4s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.6s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 100 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 100 mSDsluCounter, 86 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 13 mSDsCounter, 36 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 768 IncrementalHoareTripleChecker+Invalid, 804 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 36 mSolverCounterUnsat, 73 mSDtfsCounter, 768 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=330occurred in iteration=4, InterpolantAutomatonStates: 24, 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, 24 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 60 NumberOfCodeBlocks, 60 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 40 ConstructedInterpolants, 0 QuantifiedInterpolants, 364 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 08:34:09,419 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5647b34b-f35d-4b02-84f0-adc2d71af9db/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