./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_47-fun_write.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_ecff9dcd-6225-4970-b9d4-bb26fd865540/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecff9dcd-6225-4970-b9d4-bb26fd865540/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_ecff9dcd-6225-4970-b9d4-bb26fd865540/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecff9dcd-6225-4970-b9d4-bb26fd865540/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_47-fun_write.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecff9dcd-6225-4970-b9d4-bb26fd865540/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_ecff9dcd-6225-4970-b9d4-bb26fd865540/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 4349e9f780aa852bf667d29095b5aaef630c7e32a3c0068468fa5a88e5c63f46 --- 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 15:36:41,624 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 15:36:41,625 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 15:36:41,638 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 15:36:41,639 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 15:36:41,639 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 15:36:41,640 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 15:36:41,641 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 15:36:41,642 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 15:36:41,643 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 15:36:41,643 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 15:36:41,644 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 15:36:41,644 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 15:36:41,645 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 15:36:41,646 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 15:36:41,646 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 15:36:41,647 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 15:36:41,648 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 15:36:41,649 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 15:36:41,650 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 15:36:41,651 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 15:36:41,652 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 15:36:41,653 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 15:36:41,653 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 15:36:41,656 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 15:36:41,656 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 15:36:41,656 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 15:36:41,657 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 15:36:41,657 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 15:36:41,658 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 15:36:41,658 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 15:36:41,658 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 15:36:41,659 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 15:36:41,659 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 15:36:41,660 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 15:36:41,660 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 15:36:41,661 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 15:36:41,661 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 15:36:41,661 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 15:36:41,662 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 15:36:41,662 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 15:36:41,663 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecff9dcd-6225-4970-b9d4-bb26fd865540/bin/utaipan-gh47qXpMRh/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-12-14 15:36:41,678 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 15:36:41,678 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 15:36:41,678 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 15:36:41,678 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 15:36:41,679 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 15:36:41,679 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 15:36:41,679 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 15:36:41,679 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 15:36:41,679 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 15:36:41,679 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 15:36:41,679 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 15:36:41,679 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 15:36:41,680 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 15:36:41,680 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 15:36:41,680 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 15:36:41,680 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 15:36:41,680 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 15:36:41,680 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 15:36:41,681 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 15:36:41,681 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 15:36:41,681 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 15:36:41,681 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 15:36:41,681 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 15:36:41,681 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 15:36:41,681 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 15:36:41,681 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 15:36:41,682 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 15:36:41,682 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-14 15:36:41,682 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 15:36:41,682 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 15:36:41,682 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 15:36:41,682 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 15:36:41,682 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 15:36:41,682 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 15:36:41,682 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 15:36:41,683 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 15:36:41,683 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 15:36:41,683 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 15:36:41,683 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 15:36:41,683 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 15:36:41,683 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 15:36:41,683 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 15:36:41,683 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 15:36:41,684 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_ecff9dcd-6225-4970-b9d4-bb26fd865540/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecff9dcd-6225-4970-b9d4-bb26fd865540/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4349e9f780aa852bf667d29095b5aaef630c7e32a3c0068468fa5a88e5c63f46 [2022-12-14 15:36:41,844 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 15:36:41,863 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 15:36:41,865 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 15:36:41,866 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 15:36:41,866 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 15:36:41,868 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecff9dcd-6225-4970-b9d4-bb26fd865540/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/goblint-regression/04-mutex_47-fun_write.i [2022-12-14 15:36:44,462 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 15:36:44,640 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 15:36:44,641 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecff9dcd-6225-4970-b9d4-bb26fd865540/sv-benchmarks/c/goblint-regression/04-mutex_47-fun_write.i [2022-12-14 15:36:44,653 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecff9dcd-6225-4970-b9d4-bb26fd865540/bin/utaipan-gh47qXpMRh/data/f22be9bc1/b8ed4cc5fbb34497a8983a2513082df3/FLAG40348585b [2022-12-14 15:36:44,667 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecff9dcd-6225-4970-b9d4-bb26fd865540/bin/utaipan-gh47qXpMRh/data/f22be9bc1/b8ed4cc5fbb34497a8983a2513082df3 [2022-12-14 15:36:44,670 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 15:36:44,671 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 15:36:44,672 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 15:36:44,672 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 15:36:44,676 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 15:36:44,677 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:36:44" (1/1) ... [2022-12-14 15:36:44,678 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ff94966 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:36:44, skipping insertion in model container [2022-12-14 15:36:44,678 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:36:44" (1/1) ... [2022-12-14 15:36:44,685 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 15:36:44,719 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 15:36:45,115 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 15:36:45,129 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 15:36:45,169 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 15:36:45,223 INFO L208 MainTranslator]: Completed translation [2022-12-14 15:36:45,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:36:45 WrapperNode [2022-12-14 15:36:45,223 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 15:36:45,224 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 15:36:45,224 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 15:36:45,225 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 15:36:45,232 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:36:45" (1/1) ... [2022-12-14 15:36:45,246 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:36:45" (1/1) ... [2022-12-14 15:36:45,266 INFO L138 Inliner]: procedures = 263, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 67 [2022-12-14 15:36:45,267 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 15:36:45,268 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 15:36:45,268 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 15:36:45,268 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 15:36:45,277 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:36:45" (1/1) ... [2022-12-14 15:36:45,277 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:36:45" (1/1) ... [2022-12-14 15:36:45,280 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:36:45" (1/1) ... [2022-12-14 15:36:45,280 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:36:45" (1/1) ... [2022-12-14 15:36:45,285 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:36:45" (1/1) ... [2022-12-14 15:36:45,287 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:36:45" (1/1) ... [2022-12-14 15:36:45,288 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:36:45" (1/1) ... [2022-12-14 15:36:45,289 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:36:45" (1/1) ... [2022-12-14 15:36:45,291 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 15:36:45,292 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 15:36:45,292 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 15:36:45,292 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 15:36:45,293 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:36:45" (1/1) ... [2022-12-14 15:36:45,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 15:36:45,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecff9dcd-6225-4970-b9d4-bb26fd865540/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:36:45,319 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecff9dcd-6225-4970-b9d4-bb26fd865540/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 15:36:45,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecff9dcd-6225-4970-b9d4-bb26fd865540/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 15:36:45,351 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 15:36:45,352 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 15:36:45,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 15:36:45,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 15:36:45,352 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-14 15:36:45,352 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 15:36:45,352 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-14 15:36:45,353 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-14 15:36:45,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 15:36:45,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 15:36:45,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 15:36:45,354 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 15:36:45,448 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 15:36:45,450 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 15:36:45,581 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 15:36:45,586 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 15:36:45,586 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 15:36:45,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:36:45 BoogieIcfgContainer [2022-12-14 15:36:45,588 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 15:36:45,589 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 15:36:45,589 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 15:36:45,592 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 15:36:45,592 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 03:36:44" (1/3) ... [2022-12-14 15:36:45,592 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d5f9b9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 03:36:45, skipping insertion in model container [2022-12-14 15:36:45,592 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:36:45" (2/3) ... [2022-12-14 15:36:45,593 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d5f9b9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 03:36:45, skipping insertion in model container [2022-12-14 15:36:45,593 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:36:45" (3/3) ... [2022-12-14 15:36:45,594 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_47-fun_write.i [2022-12-14 15:36:45,600 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-14 15:36:45,607 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 15:36:45,607 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-12-14 15:36:45,608 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-14 15:36:45,646 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-12-14 15:36:45,669 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-14 15:36:45,680 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 81 places, 77 transitions, 162 flow [2022-12-14 15:36:45,682 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 81 places, 77 transitions, 162 flow [2022-12-14 15:36:45,683 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 81 places, 77 transitions, 162 flow [2022-12-14 15:36:45,714 INFO L130 PetriNetUnfolder]: 0/76 cut-off events. [2022-12-14 15:36:45,714 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-14 15:36:45,716 INFO L83 FinitePrefix]: Finished finitePrefix Result has 81 conditions, 76 events. 0/76 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 46 event pairs, 0 based on Foata normal form. 0/72 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2022-12-14 15:36:45,717 INFO L119 LiptonReduction]: Number of co-enabled transitions 798 [2022-12-14 15:36:47,311 INFO L134 LiptonReduction]: Checked pairs total: 3085 [2022-12-14 15:36:47,311 INFO L136 LiptonReduction]: Total number of compositions: 63 [2022-12-14 15:36:47,319 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 25 places, 21 transitions, 50 flow [2022-12-14 15:36:47,334 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 77 states, 69 states have (on average 1.9420289855072463) internal successors, (134), 76 states have internal predecessors, (134), 0 states have call successors, (0), 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 15:36:47,351 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 15:36:47,357 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;@2b9aaa44, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 15:36:47,357 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-12-14 15:36:47,359 INFO L276 IsEmpty]: Start isEmpty. Operand has 77 states, 69 states have (on average 1.9420289855072463) internal successors, (134), 76 states have internal predecessors, (134), 0 states have call successors, (0), 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 15:36:47,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-14 15:36:47,363 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:36:47,363 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-12-14 15:36:47,363 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2022-12-14 15:36:47,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:36:47,367 INFO L85 PathProgramCache]: Analyzing trace with hash 261290, now seen corresponding path program 1 times [2022-12-14 15:36:47,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:36:47,374 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789382430] [2022-12-14 15:36:47,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:36:47,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:36:47,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:36:47,501 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 15:36:47,502 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:36:47,502 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789382430] [2022-12-14 15:36:47,502 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789382430] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:36:47,502 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:36:47,502 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-14 15:36:47,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003793562] [2022-12-14 15:36:47,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:36:47,510 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 15:36:47,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:36:47,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 15:36:47,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 15:36:47,528 INFO L87 Difference]: Start difference. First operand has 77 states, 69 states have (on average 1.9420289855072463) internal successors, (134), 76 states have internal predecessors, (134), 0 states have call successors, (0), 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 3.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 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 15:36:47,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:36:47,553 INFO L93 Difference]: Finished difference Result 70 states and 121 transitions. [2022-12-14 15:36:47,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 15:36:47,555 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 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 3 [2022-12-14 15:36:47,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:36:47,563 INFO L225 Difference]: With dead ends: 70 [2022-12-14 15:36:47,563 INFO L226 Difference]: Without dead ends: 68 [2022-12-14 15:36:47,564 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 15:36:47,567 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 15:36:47,568 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 8 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 15:36:47,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2022-12-14 15:36:47,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2022-12-14 15:36:47,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 63 states have (on average 1.8571428571428572) internal successors, (117), 67 states have internal predecessors, (117), 0 states have call successors, (0), 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 15:36:47,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 117 transitions. [2022-12-14 15:36:47,602 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 117 transitions. Word has length 3 [2022-12-14 15:36:47,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:36:47,602 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 117 transitions. [2022-12-14 15:36:47,603 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 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 15:36:47,603 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 117 transitions. [2022-12-14 15:36:47,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 15:36:47,603 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:36:47,603 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-12-14 15:36:47,604 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 15:36:47,604 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2022-12-14 15:36:47,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:36:47,604 INFO L85 PathProgramCache]: Analyzing trace with hash 251080940, now seen corresponding path program 1 times [2022-12-14 15:36:47,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:36:47,605 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472250553] [2022-12-14 15:36:47,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:36:47,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:36:47,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:36:47,666 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 15:36:47,667 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:36:47,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472250553] [2022-12-14 15:36:47,667 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1472250553] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:36:47,667 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:36:47,667 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 15:36:47,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357712410] [2022-12-14 15:36:47,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:36:47,669 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 15:36:47,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:36:47,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 15:36:47,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:36:47,670 INFO L87 Difference]: Start difference. First operand 68 states and 117 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 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 15:36:47,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:36:47,699 INFO L93 Difference]: Finished difference Result 77 states and 132 transitions. [2022-12-14 15:36:47,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 15:36:47,700 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 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 15:36:47,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:36:47,701 INFO L225 Difference]: With dead ends: 77 [2022-12-14 15:36:47,701 INFO L226 Difference]: Without dead ends: 77 [2022-12-14 15:36:47,701 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:36:47,702 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 7 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 15:36:47,703 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 8 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 15:36:47,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2022-12-14 15:36:47,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 69. [2022-12-14 15:36:47,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 64 states have (on average 1.84375) internal successors, (118), 68 states have internal predecessors, (118), 0 states have call successors, (0), 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 15:36:47,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 118 transitions. [2022-12-14 15:36:47,711 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 118 transitions. Word has length 5 [2022-12-14 15:36:47,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:36:47,711 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 118 transitions. [2022-12-14 15:36:47,711 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 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 15:36:47,711 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 118 transitions. [2022-12-14 15:36:47,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 15:36:47,712 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:36:47,712 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-14 15:36:47,712 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 15:36:47,712 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2022-12-14 15:36:47,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:36:47,713 INFO L85 PathProgramCache]: Analyzing trace with hash -806158902, now seen corresponding path program 1 times [2022-12-14 15:36:47,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:36:47,713 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033595191] [2022-12-14 15:36:47,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:36:47,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:36:47,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:36:47,753 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 15:36:47,753 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:36:47,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033595191] [2022-12-14 15:36:47,754 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033595191] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:36:47,754 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:36:47,754 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 15:36:47,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292066256] [2022-12-14 15:36:47,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:36:47,754 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 15:36:47,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:36:47,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 15:36:47,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:36:47,755 INFO L87 Difference]: Start difference. First operand 69 states and 118 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 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 15:36:47,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:36:47,784 INFO L93 Difference]: Finished difference Result 76 states and 128 transitions. [2022-12-14 15:36:47,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 15:36:47,785 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 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 6 [2022-12-14 15:36:47,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:36:47,786 INFO L225 Difference]: With dead ends: 76 [2022-12-14 15:36:47,787 INFO L226 Difference]: Without dead ends: 68 [2022-12-14 15:36:47,787 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:36:47,788 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 8 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 15:36:47,788 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 9 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 15:36:47,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2022-12-14 15:36:47,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 63. [2022-12-14 15:36:47,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 59 states have (on average 1.7796610169491525) internal successors, (105), 62 states have internal predecessors, (105), 0 states have call successors, (0), 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 15:36:47,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 105 transitions. [2022-12-14 15:36:47,795 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 105 transitions. Word has length 6 [2022-12-14 15:36:47,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:36:47,796 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 105 transitions. [2022-12-14 15:36:47,796 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 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 15:36:47,796 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 105 transitions. [2022-12-14 15:36:47,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 15:36:47,796 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:36:47,797 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:36:47,797 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 15:36:47,797 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2022-12-14 15:36:47,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:36:47,798 INFO L85 PathProgramCache]: Analyzing trace with hash -1880533728, now seen corresponding path program 1 times [2022-12-14 15:36:47,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:36:47,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944232032] [2022-12-14 15:36:47,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:36:47,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:36:47,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:36:47,834 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 15:36:47,834 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:36:47,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944232032] [2022-12-14 15:36:47,834 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [944232032] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:36:47,834 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:36:47,835 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 15:36:47,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127760099] [2022-12-14 15:36:47,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:36:47,835 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 15:36:47,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:36:47,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 15:36:47,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:36:47,836 INFO L87 Difference]: Start difference. First operand 63 states and 105 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 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 15:36:47,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:36:47,862 INFO L93 Difference]: Finished difference Result 60 states and 96 transitions. [2022-12-14 15:36:47,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 15:36:47,863 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 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 15:36:47,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:36:47,864 INFO L225 Difference]: With dead ends: 60 [2022-12-14 15:36:47,864 INFO L226 Difference]: Without dead ends: 48 [2022-12-14 15:36:47,864 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:36:47,865 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 6 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 15:36:47,865 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 8 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 15:36:47,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2022-12-14 15:36:47,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2022-12-14 15:36:47,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 45 states have (on average 1.5555555555555556) internal successors, (70), 47 states have internal predecessors, (70), 0 states have call successors, (0), 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 15:36:47,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 70 transitions. [2022-12-14 15:36:47,869 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 70 transitions. Word has length 8 [2022-12-14 15:36:47,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:36:47,870 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 70 transitions. [2022-12-14 15:36:47,870 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 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 15:36:47,870 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 70 transitions. [2022-12-14 15:36:47,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 15:36:47,870 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:36:47,871 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:36:47,871 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 15:36:47,871 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2022-12-14 15:36:47,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:36:47,871 INFO L85 PathProgramCache]: Analyzing trace with hash -1877783820, now seen corresponding path program 1 times [2022-12-14 15:36:47,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:36:47,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961032209] [2022-12-14 15:36:47,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:36:47,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:36:47,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 15:36:47,885 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 15:36:47,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 15:36:47,905 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-12-14 15:36:47,905 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 15:36:47,905 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 6 remaining) [2022-12-14 15:36:47,907 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (4 of 6 remaining) [2022-12-14 15:36:47,907 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (3 of 6 remaining) [2022-12-14 15:36:47,907 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 6 remaining) [2022-12-14 15:36:47,907 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 6 remaining) [2022-12-14 15:36:47,907 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 6 remaining) [2022-12-14 15:36:47,907 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 15:36:47,909 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-12-14 15:36:47,913 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-14 15:36:47,914 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 15:36:47,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 03:36:47 BasicIcfg [2022-12-14 15:36:47,929 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 15:36:47,929 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 15:36:47,929 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 15:36:47,929 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 15:36:47,930 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:36:45" (3/4) ... [2022-12-14 15:36:47,931 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-14 15:36:47,932 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 15:36:47,932 INFO L158 Benchmark]: Toolchain (without parser) took 3261.22ms. Allocated memory is still 157.3MB. Free memory was 120.6MB in the beginning and 85.4MB in the end (delta: 35.2MB). Peak memory consumption was 35.8MB. Max. memory is 16.1GB. [2022-12-14 15:36:47,933 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 111.1MB. Free memory was 84.2MB in the beginning and 84.1MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 15:36:47,933 INFO L158 Benchmark]: CACSL2BoogieTranslator took 551.56ms. Allocated memory is still 157.3MB. Free memory was 120.6MB in the beginning and 93.2MB in the end (delta: 27.4MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-12-14 15:36:47,933 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.72ms. Allocated memory is still 157.3MB. Free memory was 93.2MB in the beginning and 91.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 15:36:47,934 INFO L158 Benchmark]: Boogie Preprocessor took 23.97ms. Allocated memory is still 157.3MB. Free memory was 91.2MB in the beginning and 89.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 15:36:47,934 INFO L158 Benchmark]: RCFGBuilder took 295.60ms. Allocated memory is still 157.3MB. Free memory was 89.7MB in the beginning and 76.5MB in the end (delta: 13.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-14 15:36:47,934 INFO L158 Benchmark]: TraceAbstraction took 2339.62ms. Allocated memory is still 157.3MB. Free memory was 75.3MB in the beginning and 85.4MB in the end (delta: -10.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 15:36:47,935 INFO L158 Benchmark]: Witness Printer took 2.32ms. Allocated memory is still 157.3MB. Free memory is still 85.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 15:36:47,937 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 111.1MB. Free memory was 84.2MB in the beginning and 84.1MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 551.56ms. Allocated memory is still 157.3MB. Free memory was 120.6MB in the beginning and 93.2MB in the end (delta: 27.4MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.72ms. Allocated memory is still 157.3MB. Free memory was 93.2MB in the beginning and 91.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.97ms. Allocated memory is still 157.3MB. Free memory was 91.2MB in the beginning and 89.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 295.60ms. Allocated memory is still 157.3MB. Free memory was 89.7MB in the beginning and 76.5MB in the end (delta: 13.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 2339.62ms. Allocated memory is still 157.3MB. Free memory was 75.3MB in the beginning and 85.4MB in the end (delta: -10.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.32ms. Allocated memory is still 157.3MB. Free memory is still 85.4MB. 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, 81 PlacesBefore, 25 PlacesAfterwards, 77 TransitionsBefore, 21 TransitionsAfterwards, 798 CoEnabledTransitionPairs, 10 FixpointIterations, 32 TrivialSequentialCompositions, 31 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 63 TotalNumberOfCompositions, 3085 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1829, independent: 1537, independent conditional: 0, independent unconditional: 1537, dependent: 292, dependent conditional: 0, dependent unconditional: 292, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 612, independent: 577, independent conditional: 0, independent unconditional: 577, dependent: 35, dependent conditional: 0, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 612, independent: 559, independent conditional: 0, independent unconditional: 559, dependent: 53, dependent conditional: 0, dependent unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 53, independent: 18, independent conditional: 0, independent unconditional: 18, dependent: 35, dependent conditional: 0, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 108, independent: 13, independent conditional: 0, independent unconditional: 13, dependent: 95, dependent conditional: 0, dependent unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1829, independent: 960, independent conditional: 0, independent unconditional: 960, dependent: 257, dependent conditional: 0, dependent unconditional: 257, unknown: 612, unknown conditional: 0, unknown unconditional: 612] , Statistics on independence cache: Total cache size (in pairs): 92, Positive cache size: 71, Positive conditional cache size: 0, Positive unconditional cache size: 71, Negative cache size: 21, Negative conditional cache size: 0, Negative unconditional cache size: 21, 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: 933]: Data race detected Data race detected The following path leads to a data race: [L917] 0 int myglobal; [L918] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L919] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L930] 0 pthread_t id; [L931] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [id={3:0}, mutex1={1:0}, mutex2={2:0}, myglobal=0, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L933] 0 myglobal+1 VAL [id={3:0}, mutex1={1:0}, mutex2={2:0}, myglobal=0] [L925] CALL, EXPR 1 f() [L921] 1 return 5; [L925] RET, EXPR 1 f() [L925] 1 myglobal=f() VAL [arg={0:0}, arg={0:0}, f()=5, mutex1={1:0}, mutex2={2:0}, myglobal=5, myglobal=f()=25] [L933] 0 myglobal+1 VAL [id={3:0}, mutex1={1:0}, mutex2={2:0}, myglobal=5] Now there is a data race on ~myglobal~0 between C: myglobal=f() [925] and C: myglobal+1 [933] - UnprovableResult [Line: 933]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 935]: 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: 925]: 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, 6 error locations. Started 1 CEGAR loops. OverallTime: 2.2s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.7s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 21 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 21 mSDsluCounter, 33 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 104 IncrementalHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 33 mSDtfsCounter, 104 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=77occurred in iteration=0, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 13 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 24 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 15:36:47,955 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecff9dcd-6225-4970-b9d4-bb26fd865540/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