./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe015_power.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_b98d60d5-ebfa-4467-ab75-c8f1284a08cc/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98d60d5-ebfa-4467-ab75-c8f1284a08cc/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98d60d5-ebfa-4467-ab75-c8f1284a08cc/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98d60d5-ebfa-4467-ab75-c8f1284a08cc/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe015_power.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98d60d5-ebfa-4467-ab75-c8f1284a08cc/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98d60d5-ebfa-4467-ab75-c8f1284a08cc/bin/utaipan-verify-YMUCfTKeje --witnessprinter.witness.filename witness --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 1568f4b0615eb98ed6bee584aeda19485d9df0ed08c84a8233a5817e939c5388 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 04:45:32,261 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 04:45:32,362 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98d60d5-ebfa-4467-ab75-c8f1284a08cc/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 04:45:32,372 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 04:45:32,373 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 04:45:32,423 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 04:45:32,424 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 04:45:32,424 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 04:45:32,425 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 04:45:32,425 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 04:45:32,426 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 04:45:32,426 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 04:45:32,428 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 04:45:32,434 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 04:45:32,435 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 04:45:32,435 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 04:45:32,435 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 04:45:32,436 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 04:45:32,436 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 04:45:32,436 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 04:45:32,437 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 04:45:32,440 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 04:45:32,441 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 04:45:32,442 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 04:45:32,442 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 04:45:32,442 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 04:45:32,443 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 04:45:32,443 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 04:45:32,443 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 04:45:32,444 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 04:45:32,444 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 04:45:32,444 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 04:45:32,445 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 04:45:32,445 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 04:45:32,446 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 04:45:32,447 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 04:45:32,447 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 04:45:32,448 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 04:45:32,448 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:45:32,449 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 04:45:32,449 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 04:45:32,449 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 04:45:32,450 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 04:45:32,451 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 04:45:32,451 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 04:45:32,451 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 04:45:32,452 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 04:45:32,452 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_b98d60d5-ebfa-4467-ab75-c8f1284a08cc/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98d60d5-ebfa-4467-ab75-c8f1284a08cc/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1568f4b0615eb98ed6bee584aeda19485d9df0ed08c84a8233a5817e939c5388 [2024-11-09 04:45:32,878 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 04:45:32,912 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 04:45:32,915 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 04:45:32,917 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 04:45:32,917 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 04:45:32,919 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98d60d5-ebfa-4467-ab75-c8f1284a08cc/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/pthread-wmm/safe015_power.oepc.i Unable to find full path for "g++" [2024-11-09 04:45:35,360 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 04:45:35,770 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 04:45:35,771 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98d60d5-ebfa-4467-ab75-c8f1284a08cc/sv-benchmarks/c/pthread-wmm/safe015_power.oepc.i [2024-11-09 04:45:35,792 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98d60d5-ebfa-4467-ab75-c8f1284a08cc/bin/utaipan-verify-YMUCfTKeje/data/fc14d0160/74a75b8f7ad248cc954f30422b1dbf3d/FLAGd4c2c0ca5 [2024-11-09 04:45:35,813 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98d60d5-ebfa-4467-ab75-c8f1284a08cc/bin/utaipan-verify-YMUCfTKeje/data/fc14d0160/74a75b8f7ad248cc954f30422b1dbf3d [2024-11-09 04:45:35,816 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 04:45:35,818 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 04:45:35,819 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 04:45:35,820 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 04:45:35,828 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 04:45:35,829 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:45:35" (1/1) ... [2024-11-09 04:45:35,830 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5551c782 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:45:35, skipping insertion in model container [2024-11-09 04:45:35,831 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:45:35" (1/1) ... [2024-11-09 04:45:35,923 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 04:45:36,217 WARN L250 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_b98d60d5-ebfa-4467-ab75-c8f1284a08cc/sv-benchmarks/c/pthread-wmm/safe015_power.oepc.i[995,1008] [2024-11-09 04:45:36,573 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:45:36,594 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 04:45:36,611 WARN L250 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_b98d60d5-ebfa-4467-ab75-c8f1284a08cc/sv-benchmarks/c/pthread-wmm/safe015_power.oepc.i[995,1008] [2024-11-09 04:45:36,711 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:45:36,777 INFO L204 MainTranslator]: Completed translation [2024-11-09 04:45:36,778 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:45:36 WrapperNode [2024-11-09 04:45:36,778 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 04:45:36,780 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 04:45:36,780 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 04:45:36,780 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 04:45:36,789 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:45:36" (1/1) ... [2024-11-09 04:45:36,812 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:45:36" (1/1) ... [2024-11-09 04:45:36,859 INFO L138 Inliner]: procedures = 175, calls = 74, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 218 [2024-11-09 04:45:36,860 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 04:45:36,860 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 04:45:36,861 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 04:45:36,861 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 04:45:36,873 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:45:36" (1/1) ... [2024-11-09 04:45:36,874 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:45:36" (1/1) ... [2024-11-09 04:45:36,880 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:45:36" (1/1) ... [2024-11-09 04:45:36,881 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:45:36" (1/1) ... [2024-11-09 04:45:36,897 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:45:36" (1/1) ... [2024-11-09 04:45:36,901 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:45:36" (1/1) ... [2024-11-09 04:45:36,913 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:45:36" (1/1) ... [2024-11-09 04:45:36,916 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:45:36" (1/1) ... [2024-11-09 04:45:36,932 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 04:45:36,933 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 04:45:36,935 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 04:45:36,935 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 04:45:36,936 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:45:36" (1/1) ... [2024-11-09 04:45:36,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:45:36,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98d60d5-ebfa-4467-ab75-c8f1284a08cc/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:45:37,007 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98d60d5-ebfa-4467-ab75-c8f1284a08cc/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 04:45:37,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98d60d5-ebfa-4467-ab75-c8f1284a08cc/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 04:45:37,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 04:45:37,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 04:45:37,057 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-09 04:45:37,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 04:45:37,059 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-09 04:45:37,060 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-09 04:45:37,060 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-09 04:45:37,060 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-09 04:45:37,060 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-09 04:45:37,060 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-09 04:45:37,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 04:45:37,061 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-09 04:45:37,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 04:45:37,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 04:45:37,063 WARN L207 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-09 04:45:37,309 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 04:45:37,312 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 04:45:38,215 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-09 04:45:38,216 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 04:45:38,912 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 04:45:38,912 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 04:45:38,913 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:45:38 BoogieIcfgContainer [2024-11-09 04:45:38,914 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 04:45:38,916 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 04:45:38,917 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 04:45:38,922 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 04:45:38,923 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 04:45:35" (1/3) ... [2024-11-09 04:45:38,924 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1613d0a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:45:38, skipping insertion in model container [2024-11-09 04:45:38,924 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:45:36" (2/3) ... [2024-11-09 04:45:38,925 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1613d0a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:45:38, skipping insertion in model container [2024-11-09 04:45:38,927 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:45:38" (3/3) ... [2024-11-09 04:45:38,929 INFO L112 eAbstractionObserver]: Analyzing ICFG safe015_power.oepc.i [2024-11-09 04:45:38,954 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 04:45:38,954 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-11-09 04:45:38,954 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-09 04:45:39,082 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-09 04:45:39,125 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 50 places, 41 transitions, 94 flow [2024-11-09 04:45:39,610 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 5258 states, 5253 states have (on average 3.5425471159337523) internal successors, (18609), 5257 states have internal predecessors, (18609), 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) [2024-11-09 04:45:39,655 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 04:45:39,666 INFO L333 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, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@1f3d8d44, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 04:45:39,666 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-09 04:45:39,690 INFO L276 IsEmpty]: Start isEmpty. Operand has 5258 states, 5253 states have (on average 3.5425471159337523) internal successors, (18609), 5257 states have internal predecessors, (18609), 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) [2024-11-09 04:45:39,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 04:45:39,698 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:45:39,699 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-09 04:45:39,700 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2024-11-09 04:45:39,706 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:45:39,707 INFO L85 PathProgramCache]: Analyzing trace with hash -35057599, now seen corresponding path program 1 times [2024-11-09 04:45:39,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:45:39,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376670675] [2024-11-09 04:45:39,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:45:39,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:45:39,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:45:40,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 04:45:40,496 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:45:40,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376670675] [2024-11-09 04:45:40,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376670675] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:45:40,498 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:45:40,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-09 04:45:40,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555040556] [2024-11-09 04:45:40,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:45:40,507 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 04:45:40,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:45:40,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 04:45:40,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 04:45:40,569 INFO L87 Difference]: Start difference. First operand has 5258 states, 5253 states have (on average 3.5425471159337523) internal successors, (18609), 5257 states have internal predecessors, (18609), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 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) [2024-11-09 04:45:41,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:45:41,017 INFO L93 Difference]: Finished difference Result 5706 states and 20057 transitions. [2024-11-09 04:45:41,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 04:45:41,020 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 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 [2024-11-09 04:45:41,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:45:41,109 INFO L225 Difference]: With dead ends: 5706 [2024-11-09 04:45:41,110 INFO L226 Difference]: Without dead ends: 4626 [2024-11-09 04:45:41,120 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 04:45:41,125 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 20 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 04:45:41,126 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 27 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 04:45:41,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4626 states. [2024-11-09 04:45:41,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4626 to 4626. [2024-11-09 04:45:41,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4626 states, 4623 states have (on average 3.4696084793424182) internal successors, (16040), 4625 states have internal predecessors, (16040), 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) [2024-11-09 04:45:41,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4626 states to 4626 states and 16040 transitions. [2024-11-09 04:45:41,552 INFO L78 Accepts]: Start accepts. Automaton has 4626 states and 16040 transitions. Word has length 6 [2024-11-09 04:45:41,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:45:41,554 INFO L471 AbstractCegarLoop]: Abstraction has 4626 states and 16040 transitions. [2024-11-09 04:45:41,554 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 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) [2024-11-09 04:45:41,554 INFO L276 IsEmpty]: Start isEmpty. Operand 4626 states and 16040 transitions. [2024-11-09 04:45:41,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 04:45:41,555 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:45:41,555 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:45:41,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 04:45:41,556 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err1ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2024-11-09 04:45:41,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:45:41,556 INFO L85 PathProgramCache]: Analyzing trace with hash -1086784684, now seen corresponding path program 1 times [2024-11-09 04:45:41,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:45:41,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286835851] [2024-11-09 04:45:41,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:45:41,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:45:41,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 04:45:41,613 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 04:45:41,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 04:45:41,686 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 04:45:41,686 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 04:45:41,690 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location P1Err1ASSERT_VIOLATIONERROR_FUNCTION (7 of 8 remaining) [2024-11-09 04:45:41,693 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION (6 of 8 remaining) [2024-11-09 04:45:41,694 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err1ASSERT_VIOLATIONERROR_FUNCTION (5 of 8 remaining) [2024-11-09 04:45:41,695 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 8 remaining) [2024-11-09 04:45:41,695 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 8 remaining) [2024-11-09 04:45:41,696 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 8 remaining) [2024-11-09 04:45:41,697 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 8 remaining) [2024-11-09 04:45:41,698 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 8 remaining) [2024-11-09 04:45:41,699 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 04:45:41,705 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-09 04:45:41,776 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-09 04:45:41,777 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 04:45:41,781 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 04:45:41 BasicIcfg [2024-11-09 04:45:41,781 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 04:45:41,782 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 04:45:41,782 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 04:45:41,783 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 04:45:41,783 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:45:38" (3/4) ... [2024-11-09 04:45:41,784 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-09 04:45:41,883 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98d60d5-ebfa-4467-ab75-c8f1284a08cc/bin/utaipan-verify-YMUCfTKeje/witness.graphml [2024-11-09 04:45:41,887 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 04:45:41,888 INFO L158 Benchmark]: Toolchain (without parser) took 6070.64ms. Allocated memory was 155.2MB in the beginning and 203.4MB in the end (delta: 48.2MB). Free memory was 123.8MB in the beginning and 79.1MB in the end (delta: 44.7MB). Peak memory consumption was 95.2MB. Max. memory is 16.1GB. [2024-11-09 04:45:41,888 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 96.5MB. Free memory is still 53.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 04:45:41,889 INFO L158 Benchmark]: CACSL2BoogieTranslator took 959.18ms. Allocated memory is still 155.2MB. Free memory was 123.8MB in the beginning and 93.5MB in the end (delta: 30.2MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-11-09 04:45:41,889 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.17ms. Allocated memory is still 155.2MB. Free memory was 93.5MB in the beginning and 90.1MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 04:45:41,894 INFO L158 Benchmark]: Boogie Preprocessor took 71.83ms. Allocated memory is still 155.2MB. Free memory was 90.1MB in the beginning and 87.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 04:45:41,894 INFO L158 Benchmark]: RCFGBuilder took 1981.12ms. Allocated memory is still 155.2MB. Free memory was 87.3MB in the beginning and 76.1MB in the end (delta: 11.2MB). Peak memory consumption was 40.6MB. Max. memory is 16.1GB. [2024-11-09 04:45:41,894 INFO L158 Benchmark]: TraceAbstraction took 2864.58ms. Allocated memory was 155.2MB in the beginning and 203.4MB in the end (delta: 48.2MB). Free memory was 75.1MB in the beginning and 85.4MB in the end (delta: -10.3MB). Peak memory consumption was 37.8MB. Max. memory is 16.1GB. [2024-11-09 04:45:41,895 INFO L158 Benchmark]: Witness Printer took 105.30ms. Allocated memory is still 203.4MB. Free memory was 85.4MB in the beginning and 79.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 04:45:41,896 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 96.5MB. Free memory is still 53.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 959.18ms. Allocated memory is still 155.2MB. Free memory was 123.8MB in the beginning and 93.5MB in the end (delta: 30.2MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.17ms. Allocated memory is still 155.2MB. Free memory was 93.5MB in the beginning and 90.1MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.83ms. Allocated memory is still 155.2MB. Free memory was 90.1MB in the beginning and 87.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1981.12ms. Allocated memory is still 155.2MB. Free memory was 87.3MB in the beginning and 76.1MB in the end (delta: 11.2MB). Peak memory consumption was 40.6MB. Max. memory is 16.1GB. * TraceAbstraction took 2864.58ms. Allocated memory was 155.2MB in the beginning and 203.4MB in the end (delta: 48.2MB). Free memory was 75.1MB in the beginning and 85.4MB in the end (delta: -10.3MB). Peak memory consumption was 37.8MB. Max. memory is 16.1GB. * Witness Printer took 105.30ms. Allocated memory is still 203.4MB. Free memory was 85.4MB in the beginning and 79.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p0_EAX = 0; [L714] 0 int __unbuffered_p2_EAX = 0; [L715] 0 _Bool __unbuffered_p2_EAX$flush_delayed; [L716] 0 int __unbuffered_p2_EAX$mem_tmp; [L717] 0 _Bool __unbuffered_p2_EAX$r_buff0_thd0; [L718] 0 _Bool __unbuffered_p2_EAX$r_buff0_thd1; [L719] 0 _Bool __unbuffered_p2_EAX$r_buff0_thd2; [L720] 0 _Bool __unbuffered_p2_EAX$r_buff0_thd3; [L721] 0 _Bool __unbuffered_p2_EAX$r_buff1_thd0; [L722] 0 _Bool __unbuffered_p2_EAX$r_buff1_thd1; [L723] 0 _Bool __unbuffered_p2_EAX$r_buff1_thd2; [L724] 0 _Bool __unbuffered_p2_EAX$r_buff1_thd3; [L725] 0 _Bool __unbuffered_p2_EAX$read_delayed; [L726] 0 int *__unbuffered_p2_EAX$read_delayed_var; [L727] 0 int __unbuffered_p2_EAX$w_buff0; [L728] 0 _Bool __unbuffered_p2_EAX$w_buff0_used; [L729] 0 int __unbuffered_p2_EAX$w_buff1; [L730] 0 _Bool __unbuffered_p2_EAX$w_buff1_used; [L731] 0 _Bool main$tmp_guard0; [L732] 0 _Bool main$tmp_guard1; [L734] 0 int x = 0; [L735] 0 _Bool x$flush_delayed; [L736] 0 int x$mem_tmp; [L737] 0 _Bool x$r_buff0_thd0; [L738] 0 _Bool x$r_buff0_thd1; [L739] 0 _Bool x$r_buff0_thd2; [L740] 0 _Bool x$r_buff0_thd3; [L741] 0 _Bool x$r_buff1_thd0; [L742] 0 _Bool x$r_buff1_thd1; [L743] 0 _Bool x$r_buff1_thd2; [L744] 0 _Bool x$r_buff1_thd3; [L745] 0 _Bool x$read_delayed; [L746] 0 int *x$read_delayed_var; [L747] 0 int x$w_buff0; [L748] 0 _Bool x$w_buff0_used; [L749] 0 int x$w_buff1; [L750] 0 _Bool x$w_buff1_used; [L752] 0 int y = 0; [L753] 0 _Bool weak$$choice0; [L754] 0 _Bool weak$$choice1; [L755] 0 _Bool weak$$choice2; [L871] 0 pthread_t t2121; [L872] FCALL, FORK 0 pthread_create(&t2121, ((void *)0), P0, ((void *)0)) VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, t2121=-2, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=0] [L873] 0 pthread_t t2122; [L874] FCALL, FORK 0 pthread_create(&t2122, ((void *)0), P1, ((void *)0)) VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, t2121=-2, t2122=-1, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=0] [L789] 2 x$w_buff1 = x$w_buff0 [L790] 2 x$w_buff0 = 1 [L791] 2 x$w_buff1_used = x$w_buff0_used [L792] 2 x$w_buff0_used = (_Bool)1 [L793] CALL 2 __VERIFIER_assert(!(x$w_buff1_used && x$w_buff0_used)) [L19] COND FALSE 2 !(!expression) [L793] RET 2 __VERIFIER_assert(!(x$w_buff1_used && x$w_buff0_used)) [L794] 2 x$r_buff1_thd0 = x$r_buff0_thd0 [L795] 2 x$r_buff1_thd1 = x$r_buff0_thd1 [L796] 2 x$r_buff1_thd2 = x$r_buff0_thd2 [L797] 2 x$r_buff1_thd3 = x$r_buff0_thd3 [L798] 2 x$r_buff0_thd2 = (_Bool)1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=0] [L801] 2 x$w_buff1 = x$w_buff0 [L802] 2 x$w_buff0 = 2 [L803] 2 x$w_buff1_used = x$w_buff0_used [L804] 2 x$w_buff0_used = (_Bool)1 [L805] CALL 2 __VERIFIER_assert(!(x$w_buff1_used && x$w_buff0_used)) [L19] COND TRUE 2 !expression [L19] 2 reach_error() VAL [\old(arg)={0:0}, \old(expression)=0, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0, expression=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=1, x$w_buff1_used=1, x={3:0}, y=0] - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 872]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 874]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 876]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 68 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 2.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.5s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 20 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20 mSDsluCounter, 27 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 13 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 40 IncrementalHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 14 mSDtfsCounter, 40 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5258occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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! [2024-11-09 04:45:41,939 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b98d60d5-ebfa-4467-ab75-c8f1284a08cc/bin/utaipan-verify-YMUCfTKeje/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