./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.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_1982cb0d-3be6-4b0d-9525-f3f91235990a/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1982cb0d-3be6-4b0d-9525-f3f91235990a/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_1982cb0d-3be6-4b0d-9525-f3f91235990a/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1982cb0d-3be6-4b0d-9525-f3f91235990a/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1982cb0d-3be6-4b0d-9525-f3f91235990a/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_1982cb0d-3be6-4b0d-9525-f3f91235990a/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 0a77b23de3110741cf9e339cfb9f72e965f6bc6bc082cff0044fedc6c4916cfb --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:04:41,126 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:04:41,213 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1982cb0d-3be6-4b0d-9525-f3f91235990a/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 05:04:41,219 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:04:41,220 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:04:41,253 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:04:41,254 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:04:41,255 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:04:41,255 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:04:41,256 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:04:41,257 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:04:41,257 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:04:41,258 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:04:41,258 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 05:04:41,260 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:04:41,261 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:04:41,261 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 05:04:41,262 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 05:04:41,262 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:04:41,263 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 05:04:41,263 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 05:04:41,267 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 05:04:41,268 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:04:41,269 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:04:41,269 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 05:04:41,270 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 05:04:41,274 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 05:04:41,275 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:04:41,275 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:04:41,275 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:04:41,276 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:04:41,276 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:04:41,277 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 05:04:41,277 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:04:41,279 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:04:41,280 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:04:41,281 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:04:41,282 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:04:41,282 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:04:41,283 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:04:41,283 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:04:41,284 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:04:41,284 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 05:04:41,284 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 05:04:41,285 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:04:41,286 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:04:41,286 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 05:04:41,287 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_1982cb0d-3be6-4b0d-9525-f3f91235990a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1982cb0d-3be6-4b0d-9525-f3f91235990a/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0a77b23de3110741cf9e339cfb9f72e965f6bc6bc082cff0044fedc6c4916cfb [2024-11-09 05:04:41,643 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:04:41,678 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:04:41,682 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:04:41,685 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:04:41,686 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:04:41,688 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1982cb0d-3be6-4b0d-9525-f3f91235990a/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i Unable to find full path for "g++" [2024-11-09 05:04:44,393 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:04:44,958 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:04:44,958 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1982cb0d-3be6-4b0d-9525-f3f91235990a/sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i [2024-11-09 05:04:44,983 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1982cb0d-3be6-4b0d-9525-f3f91235990a/bin/utaipan-verify-YMUCfTKeje/data/41cd840a4/eaa6ed9dd0e54b05a8a67f19a68de3d8/FLAG8bb1ab6ca [2024-11-09 05:04:45,036 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1982cb0d-3be6-4b0d-9525-f3f91235990a/bin/utaipan-verify-YMUCfTKeje/data/41cd840a4/eaa6ed9dd0e54b05a8a67f19a68de3d8 [2024-11-09 05:04:45,041 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:04:45,045 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:04:45,047 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:04:45,047 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:04:45,053 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:04:45,054 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:04:45" (1/1) ... [2024-11-09 05:04:45,056 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f9c122a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:04:45, skipping insertion in model container [2024-11-09 05:04:45,056 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:04:45" (1/1) ... [2024-11-09 05:04:45,160 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:04:46,443 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_1982cb0d-3be6-4b0d-9525-f3f91235990a/sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i[63614,63627] [2024-11-09 05:04:46,486 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:04:46,515 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:04:46,629 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_1982cb0d-3be6-4b0d-9525-f3f91235990a/sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i[63614,63627] [2024-11-09 05:04:46,652 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:04:46,823 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:04:46,823 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:04:46 WrapperNode [2024-11-09 05:04:46,823 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:04:46,824 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:04:46,825 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:04:46,825 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:04:46,836 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:04:46" (1/1) ... [2024-11-09 05:04:46,875 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:04:46" (1/1) ... [2024-11-09 05:04:47,065 INFO L138 Inliner]: procedures = 396, calls = 206, calls flagged for inlining = 52, calls inlined = 211, statements flattened = 3772 [2024-11-09 05:04:47,066 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:04:47,067 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:04:47,067 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:04:47,067 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:04:47,081 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:04:46" (1/1) ... [2024-11-09 05:04:47,082 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:04:46" (1/1) ... [2024-11-09 05:04:47,123 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:04:46" (1/1) ... [2024-11-09 05:04:47,124 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:04:46" (1/1) ... [2024-11-09 05:04:47,238 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:04:46" (1/1) ... [2024-11-09 05:04:47,259 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:04:46" (1/1) ... [2024-11-09 05:04:47,271 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:04:46" (1/1) ... [2024-11-09 05:04:47,288 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:04:46" (1/1) ... [2024-11-09 05:04:47,327 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:04:47,329 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:04:47,329 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:04:47,331 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:04:47,332 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:04:46" (1/1) ... [2024-11-09 05:04:47,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:04:47,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1982cb0d-3be6-4b0d-9525-f3f91235990a/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:04:47,378 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1982cb0d-3be6-4b0d-9525-f3f91235990a/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:04:47,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1982cb0d-3be6-4b0d-9525-f3f91235990a/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:04:47,426 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-09 05:04:47,426 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-09 05:04:47,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 05:04:47,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:04:47,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-09 05:04:47,429 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush2 [2024-11-09 05:04:47,430 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush2 [2024-11-09 05:04:47,430 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush1 [2024-11-09 05:04:47,430 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush1 [2024-11-09 05:04:47,431 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush0 [2024-11-09 05:04:47,431 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush0 [2024-11-09 05:04:47,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:04:47,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:04:47,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-09 05:04:47,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-09 05:04:47,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 05:04:47,433 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop5 [2024-11-09 05:04:47,433 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop5 [2024-11-09 05:04:47,434 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop6 [2024-11-09 05:04:47,435 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop6 [2024-11-09 05:04:47,435 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop3 [2024-11-09 05:04:47,436 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop3 [2024-11-09 05:04:47,436 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop4 [2024-11-09 05:04:47,436 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop4 [2024-11-09 05:04:47,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 05:04:47,441 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 05:04:47,994 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:04:47,998 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:04:53,837 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-09 05:04:53,838 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:04:58,979 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:04:58,980 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 05:04:58,980 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:04:58 BoogieIcfgContainer [2024-11-09 05:04:58,980 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:04:58,986 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:04:58,986 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:04:58,990 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:04:58,990 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:04:45" (1/3) ... [2024-11-09 05:04:58,991 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79f6f73c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:04:58, skipping insertion in model container [2024-11-09 05:04:58,992 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:04:46" (2/3) ... [2024-11-09 05:04:58,994 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79f6f73c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:04:58, skipping insertion in model container [2024-11-09 05:04:58,994 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:04:58" (3/3) ... [2024-11-09 05:04:58,996 INFO L112 eAbstractionObserver]: Analyzing ICFG elimination_backoff_stack.i [2024-11-09 05:04:59,015 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:04:59,016 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2024-11-09 05:04:59,016 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-09 05:05:00,027 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-09 05:05:00,064 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 430 places, 506 transitions, 1040 flow