./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_neg.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 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_ae8c485b-f9c5-43a3-9e8b-f2ac521090a7/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae8c485b-f9c5-43a3-9e8b-f2ac521090a7/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae8c485b-f9c5-43a3-9e8b-f2ac521090a7/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae8c485b-f9c5-43a3-9e8b-f2ac521090a7/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_neg.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae8c485b-f9c5-43a3-9e8b-f2ac521090a7/bin/utaipan-g80aRyZoba/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae8c485b-f9c5-43a3-9e8b-f2ac521090a7/bin/utaipan-g80aRyZoba --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 78eedbb170ccb94e306b53f35c5dd71f86d003c1abe4d157fc2c720e38b8df88 --- 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-b5237d8 [2022-11-22 02:42:33,350 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 02:42:33,353 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 02:42:33,397 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 02:42:33,398 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 02:42:33,400 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 02:42:33,401 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 02:42:33,403 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 02:42:33,405 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 02:42:33,406 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 02:42:33,408 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 02:42:33,410 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 02:42:33,412 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 02:42:33,415 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 02:42:33,416 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 02:42:33,418 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 02:42:33,420 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 02:42:33,425 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 02:42:33,427 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 02:42:33,429 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 02:42:33,433 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 02:42:33,435 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 02:42:33,436 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 02:42:33,437 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 02:42:33,440 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 02:42:33,441 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 02:42:33,441 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 02:42:33,442 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 02:42:33,442 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 02:42:33,443 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 02:42:33,444 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 02:42:33,445 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 02:42:33,445 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 02:42:33,446 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 02:42:33,447 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 02:42:33,448 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 02:42:33,448 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 02:42:33,449 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 02:42:33,449 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 02:42:33,451 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 02:42:33,452 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 02:42:33,454 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae8c485b-f9c5-43a3-9e8b-f2ac521090a7/bin/utaipan-g80aRyZoba/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-22 02:42:33,486 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 02:42:33,486 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 02:42:33,487 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 02:42:33,487 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 02:42:33,488 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 02:42:33,488 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 02:42:33,489 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 02:42:33,489 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 02:42:33,489 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 02:42:33,489 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 02:42:33,490 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 02:42:33,491 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 02:42:33,491 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 02:42:33,491 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 02:42:33,491 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 02:42:33,491 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 02:42:33,492 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 02:42:33,492 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 02:42:33,493 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 02:42:33,493 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-22 02:42:33,493 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 02:42:33,493 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-22 02:42:33,493 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 02:42:33,494 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 02:42:33,494 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 02:42:33,494 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 02:42:33,494 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-22 02:42:33,494 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 02:42:33,495 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 02:42:33,495 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 02:42:33,495 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 02:42:33,496 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 02:42:33,496 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:42:33,496 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 02:42:33,496 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 02:42:33,496 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 02:42:33,497 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 02:42:33,497 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 02:42:33,498 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 02:42:33,498 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 02:42:33,498 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 02:42:33,498 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_ae8c485b-f9c5-43a3-9e8b-f2ac521090a7/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae8c485b-f9c5-43a3-9e8b-f2ac521090a7/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78eedbb170ccb94e306b53f35c5dd71f86d003c1abe4d157fc2c720e38b8df88 [2022-11-22 02:42:33,778 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 02:42:33,814 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 02:42:33,817 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 02:42:33,818 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 02:42:33,819 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 02:42:33,820 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae8c485b-f9c5-43a3-9e8b-f2ac521090a7/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_neg.i [2022-11-22 02:42:36,896 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 02:42:37,217 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 02:42:37,217 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae8c485b-f9c5-43a3-9e8b-f2ac521090a7/sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_neg.i [2022-11-22 02:42:37,231 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae8c485b-f9c5-43a3-9e8b-f2ac521090a7/bin/utaipan-g80aRyZoba/data/864f0298c/6716f8d32aec49fca88c43b370546d25/FLAG64ddce649 [2022-11-22 02:42:37,245 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae8c485b-f9c5-43a3-9e8b-f2ac521090a7/bin/utaipan-g80aRyZoba/data/864f0298c/6716f8d32aec49fca88c43b370546d25 [2022-11-22 02:42:37,248 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 02:42:37,250 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 02:42:37,252 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 02:42:37,252 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 02:42:37,256 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 02:42:37,257 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:42:37" (1/1) ... [2022-11-22 02:42:37,258 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40ee1115 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:42:37, skipping insertion in model container [2022-11-22 02:42:37,259 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:42:37" (1/1) ... [2022-11-22 02:42:37,266 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 02:42:37,324 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 02:42:37,485 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae8c485b-f9c5-43a3-9e8b-f2ac521090a7/sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_neg.i[1103,1116] [2022-11-22 02:42:37,847 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:42:37,860 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 02:42:37,869 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae8c485b-f9c5-43a3-9e8b-f2ac521090a7/sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_neg.i[1103,1116] [2022-11-22 02:42:37,907 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:42:38,012 INFO L208 MainTranslator]: Completed translation [2022-11-22 02:42:38,012 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:42:38 WrapperNode [2022-11-22 02:42:38,012 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 02:42:38,013 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 02:42:38,013 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 02:42:38,014 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 02:42:38,020 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:42:38" (1/1) ... [2022-11-22 02:42:38,063 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:42:38" (1/1) ... [2022-11-22 02:42:38,107 INFO L138 Inliner]: procedures = 354, calls = 38, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 74 [2022-11-22 02:42:38,107 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 02:42:38,108 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 02:42:38,108 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 02:42:38,108 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 02:42:38,117 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:42:38" (1/1) ... [2022-11-22 02:42:38,117 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:42:38" (1/1) ... [2022-11-22 02:42:38,121 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:42:38" (1/1) ... [2022-11-22 02:42:38,122 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:42:38" (1/1) ... [2022-11-22 02:42:38,131 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:42:38" (1/1) ... [2022-11-22 02:42:38,132 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:42:38" (1/1) ... [2022-11-22 02:42:38,136 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:42:38" (1/1) ... [2022-11-22 02:42:38,138 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:42:38" (1/1) ... [2022-11-22 02:42:38,142 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 02:42:38,143 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 02:42:38,143 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 02:42:38,144 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 02:42:38,145 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:42:38" (1/1) ... [2022-11-22 02:42:38,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:42:38,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae8c485b-f9c5-43a3-9e8b-f2ac521090a7/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:42:38,176 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae8c485b-f9c5-43a3-9e8b-f2ac521090a7/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 02:42:38,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae8c485b-f9c5-43a3-9e8b-f2ac521090a7/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 02:42:38,240 INFO L130 BoogieDeclarations]: Found specification of procedure sleep [2022-11-22 02:42:38,241 INFO L130 BoogieDeclarations]: Found specification of procedure f1 [2022-11-22 02:42:38,241 INFO L138 BoogieDeclarations]: Found implementation of procedure f1 [2022-11-22 02:42:38,241 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2022-11-22 02:42:38,241 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2022-11-22 02:42:38,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 02:42:38,242 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 02:42:38,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 02:42:38,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 02:42:38,242 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-22 02:42:38,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 02:42:38,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 02:42:38,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 02:42:38,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 02:42:38,244 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-22 02:42:38,583 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 02:42:38,586 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 02:42:38,796 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 02:42:38,803 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 02:42:38,808 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-22 02:42:38,810 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:42:38 BoogieIcfgContainer [2022-11-22 02:42:38,812 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 02:42:38,814 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 02:42:38,815 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 02:42:38,818 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 02:42:38,818 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:42:37" (1/3) ... [2022-11-22 02:42:38,819 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2835a5d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:42:38, skipping insertion in model container [2022-11-22 02:42:38,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:42:38" (2/3) ... [2022-11-22 02:42:38,822 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2835a5d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:42:38, skipping insertion in model container [2022-11-22 02:42:38,822 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:42:38" (3/3) ... [2022-11-22 02:42:38,823 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_67-pthread_cond_wait_unknown_1_neg.i [2022-11-22 02:42:38,838 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-22 02:42:38,846 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 02:42:38,847 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-22 02:42:38,847 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-22 02:42:38,904 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-22 02:42:38,938 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-22 02:42:38,952 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 100 places, 94 transitions, 204 flow [2022-11-22 02:42:38,955 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 100 places, 94 transitions, 204 flow [2022-11-22 02:42:38,957 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 100 places, 94 transitions, 204 flow [2022-11-22 02:42:39,008 INFO L130 PetriNetUnfolder]: 1/92 cut-off events. [2022-11-22 02:42:39,008 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-22 02:42:39,013 INFO L83 FinitePrefix]: Finished finitePrefix Result has 101 conditions, 92 events. 1/92 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 56 event pairs, 0 based on Foata normal form. 0/90 useless extension candidates. Maximal degree in co-relation 42. Up to 2 conditions per place. [2022-11-22 02:42:39,015 INFO L119 LiptonReduction]: Number of co-enabled transitions 876 [2022-11-22 02:42:43,487 INFO L134 LiptonReduction]: Checked pairs total: 2351 [2022-11-22 02:42:43,487 INFO L136 LiptonReduction]: Total number of compositions: 80 [2022-11-22 02:42:43,501 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 29 places, 23 transitions, 62 flow [2022-11-22 02:42:43,537 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 80 states, 78 states have (on average 2.051282051282051) internal successors, (160), 79 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:42:43,569 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 02:42:43,578 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;@17cf28a8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 02:42:43,579 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-11-22 02:42:43,582 INFO L276 IsEmpty]: Start isEmpty. Operand has 80 states, 78 states have (on average 2.051282051282051) internal successors, (160), 79 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:42:43,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-22 02:42:43,588 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:42:43,589 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-22 02:42:43,589 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting f2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-11-22 02:42:43,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:42:43,599 INFO L85 PathProgramCache]: Analyzing trace with hash 1242480161, now seen corresponding path program 1 times [2022-11-22 02:42:43,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:42:43,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214527714] [2022-11-22 02:42:43,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:42:43,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:42:43,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-22 02:42:43,820 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-22 02:42:43,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-22 02:42:43,918 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-22 02:42:43,920 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-22 02:42:43,921 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location f2Err0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2022-11-22 02:42:43,923 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2022-11-22 02:42:43,923 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2022-11-22 02:42:43,924 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2022-11-22 02:42:43,924 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 02:42:43,927 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-22 02:42:43,936 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-22 02:42:43,936 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-22 02:42:43,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 02:42:43 BasicIcfg [2022-11-22 02:42:43,978 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-22 02:42:43,979 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-22 02:42:43,979 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-22 02:42:43,979 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-22 02:42:43,979 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:42:38" (3/4) ... [2022-11-22 02:42:43,981 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-22 02:42:44,048 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae8c485b-f9c5-43a3-9e8b-f2ac521090a7/bin/utaipan-g80aRyZoba/witness.graphml [2022-11-22 02:42:44,049 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-22 02:42:44,050 INFO L158 Benchmark]: Toolchain (without parser) took 6800.14ms. Allocated memory was 151.0MB in the beginning and 192.9MB in the end (delta: 41.9MB). Free memory was 104.3MB in the beginning and 101.7MB in the end (delta: 2.6MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. [2022-11-22 02:42:44,050 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 151.0MB. Free memory is still 95.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 02:42:44,051 INFO L158 Benchmark]: CACSL2BoogieTranslator took 760.30ms. Allocated memory was 151.0MB in the beginning and 192.9MB in the end (delta: 41.9MB). Free memory was 103.9MB in the beginning and 160.5MB in the end (delta: -56.7MB). Peak memory consumption was 46.3MB. Max. memory is 16.1GB. [2022-11-22 02:42:44,051 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.31ms. Allocated memory is still 192.9MB. Free memory was 160.5MB in the beginning and 160.3MB in the end (delta: 146.2kB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. [2022-11-22 02:42:44,052 INFO L158 Benchmark]: Boogie Preprocessor took 34.49ms. Allocated memory is still 192.9MB. Free memory was 160.3MB in the beginning and 158.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 02:42:44,053 INFO L158 Benchmark]: RCFGBuilder took 668.38ms. Allocated memory is still 192.9MB. Free memory was 158.4MB in the beginning and 139.4MB in the end (delta: 19.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-22 02:42:44,053 INFO L158 Benchmark]: TraceAbstraction took 5164.08ms. Allocated memory is still 192.9MB. Free memory was 138.4MB in the beginning and 103.8MB in the end (delta: 34.5MB). Peak memory consumption was 34.5MB. Max. memory is 16.1GB. [2022-11-22 02:42:44,055 INFO L158 Benchmark]: Witness Printer took 70.24ms. Allocated memory is still 192.9MB. Free memory was 103.8MB in the beginning and 101.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 02:42:44,060 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 151.0MB. Free memory is still 95.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 760.30ms. Allocated memory was 151.0MB in the beginning and 192.9MB in the end (delta: 41.9MB). Free memory was 103.9MB in the beginning and 160.5MB in the end (delta: -56.7MB). Peak memory consumption was 46.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.31ms. Allocated memory is still 192.9MB. Free memory was 160.5MB in the beginning and 160.3MB in the end (delta: 146.2kB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.49ms. Allocated memory is still 192.9MB. Free memory was 160.3MB in the beginning and 158.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 668.38ms. Allocated memory is still 192.9MB. Free memory was 158.4MB in the beginning and 139.4MB in the end (delta: 19.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 5164.08ms. Allocated memory is still 192.9MB. Free memory was 138.4MB in the beginning and 103.8MB in the end (delta: 34.5MB). Peak memory consumption was 34.5MB. Max. memory is 16.1GB. * Witness Printer took 70.24ms. Allocated memory is still 192.9MB. Free memory was 103.8MB in the beginning and 101.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.5s, 100 PlacesBefore, 29 PlacesAfterwards, 94 TransitionsBefore, 23 TransitionsAfterwards, 876 CoEnabledTransitionPairs, 7 FixpointIterations, 45 TrivialSequentialCompositions, 31 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 0 ChoiceCompositions, 80 TotalNumberOfCompositions, 2351 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1477, independent: 1340, independent conditional: 0, independent unconditional: 1340, dependent: 137, dependent conditional: 0, dependent unconditional: 137, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 676, independent: 642, independent conditional: 0, independent unconditional: 642, dependent: 34, dependent conditional: 0, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 676, independent: 625, independent conditional: 0, independent unconditional: 625, dependent: 51, dependent conditional: 0, dependent unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 51, independent: 17, independent conditional: 0, independent unconditional: 17, dependent: 34, dependent conditional: 0, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 130, independent: 42, independent conditional: 0, independent unconditional: 42, dependent: 88, dependent conditional: 0, dependent unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1477, independent: 698, independent conditional: 0, independent unconditional: 698, dependent: 103, dependent conditional: 0, dependent unconditional: 103, unknown: 676, unknown conditional: 0, unknown unconditional: 676] , Statistics on independence cache: Total cache size (in pairs): 98, Positive cache size: 84, Positive conditional cache size: 0, Positive unconditional cache size: 84, Negative cache size: 14, Negative conditional cache size: 0, Negative unconditional cache size: 14, 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 - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L1351] 0 int g; [L1352] 0 pthread_mutex_t mut = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L1353] 0 pthread_cond_t cond = { { {0}, {0}, {0, 0}, {0, 0}, 0, 0, {0, 0} } }; [L1373] 0 pthread_t t1; [L1374] 0 pthread_t t2; [L1375] FCALL, FORK 0 pthread_create(&t1,((void *)0),f1,((void *)0)) VAL [\old(argc)=1152, argc=1152, argv={1151:1150}, argv={1151:1150}, cond={4:0}, g=0, mut={3:0}, pthread_create(&t1,((void *)0),f1,((void *)0))=-1, ptr={0:0}, t1={6:0}, t2={5:0}] [L1377] FCALL, FORK 0 pthread_create(&t2,((void *)0),f2,((void *)0)) VAL [\old(argc)=1152, argc=1152, argv={1151:1150}, argv={1151:1150}, cond={4:0}, g=0, mut={3:0}, pthread_create(&t2,((void *)0),f2,((void *)0))=0, ptr={0:0}, t1={6:0}, t2={5:0}] [L1365] CALL 2 __VERIFIER_assert(!(g == 0)) [L19] COND TRUE 2 !(cond) [L19] 2 reach_error() VAL [\old(cond)=0, cond={4:0}, cond=0, g=0, mut={3:0}, ptr={0:0}] - UnprovableResult [Line: 1375]: 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: 1377]: 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. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 126 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 5.0s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.6s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=80occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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! [2022-11-22 02:42:44,082 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae8c485b-f9c5-43a3-9e8b-f2ac521090a7/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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