./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7da6cc0-aff3-4912-bc55-da7847148e7b/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7da6cc0-aff3-4912-bc55-da7847148e7b/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7da6cc0-aff3-4912-bc55-da7847148e7b/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7da6cc0-aff3-4912-bc55-da7847148e7b/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7da6cc0-aff3-4912-bc55-da7847148e7b/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7da6cc0-aff3-4912-bc55-da7847148e7b/bin/utaipan-verify-sOmjnqqW8E --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0a77b23de3110741cf9e339cfb9f72e965f6bc6bc082cff0044fedc6c4916cfb --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:13:57,134 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:13:57,232 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7da6cc0-aff3-4912-bc55-da7847148e7b/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-DataRace-32bit-Taipan_Default.epf [2024-11-14 05:13:57,241 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:13:57,244 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:13:57,286 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:13:57,288 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:13:57,288 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:13:57,289 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:13:57,290 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:13:57,291 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:13:57,291 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:13:57,291 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:13:57,291 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 05:13:57,291 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:13:57,291 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:13:57,292 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 05:13:57,292 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 05:13:57,292 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:13:57,293 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 05:13:57,293 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 05:13:57,293 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 05:13:57,294 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:13:57,294 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:13:57,294 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 05:13:57,294 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 05:13:57,295 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 05:13:57,295 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:13:57,295 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:13:57,295 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:13:57,295 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:13:57,295 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-14 05:13:57,296 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:13:57,296 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-14 05:13:57,296 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 05:13:57,296 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:13:57,296 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:13:57,297 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:13:57,297 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:13:57,298 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:13:57,298 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:13:57,298 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:13:57,298 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:13:57,298 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 05:13:57,298 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 05:13:57,299 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:13:57,299 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:13:57,299 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 05:13:57,299 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_f7da6cc0-aff3-4912-bc55-da7847148e7b/bin/utaipan-verify-sOmjnqqW8E 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 ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0a77b23de3110741cf9e339cfb9f72e965f6bc6bc082cff0044fedc6c4916cfb [2024-11-14 05:13:57,698 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:13:57,714 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:13:57,716 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:13:57,719 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:13:57,719 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:13:57,722 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7da6cc0-aff3-4912-bc55-da7847148e7b/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i Unable to find full path for "g++" [2024-11-14 05:13:59,750 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:14:00,265 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:14:00,266 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7da6cc0-aff3-4912-bc55-da7847148e7b/sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i [2024-11-14 05:14:00,287 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7da6cc0-aff3-4912-bc55-da7847148e7b/bin/utaipan-verify-sOmjnqqW8E/data/51b326ef4/ba82b52007ef45f68be1835e77911cc4/FLAG881ba40ff [2024-11-14 05:14:00,304 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7da6cc0-aff3-4912-bc55-da7847148e7b/bin/utaipan-verify-sOmjnqqW8E/data/51b326ef4/ba82b52007ef45f68be1835e77911cc4 [2024-11-14 05:14:00,306 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:14:00,308 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:14:00,310 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:14:00,310 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:14:00,316 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:14:00,317 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:14:00" (1/1) ... [2024-11-14 05:14:00,318 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62ec265e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:14:00, skipping insertion in model container [2024-11-14 05:14:00,319 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:14:00" (1/1) ... [2024-11-14 05:14:00,386 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:14:01,350 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:14:01,372 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:14:01,548 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:14:01,664 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:14:01,665 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:14:01 WrapperNode [2024-11-14 05:14:01,665 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:14:01,666 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:14:01,666 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:14:01,667 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:14:01,675 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:14:01" (1/1) ... [2024-11-14 05:14:01,708 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:14:01" (1/1) ... [2024-11-14 05:14:02,080 INFO L138 Inliner]: procedures = 396, calls = 207, calls flagged for inlining = 53, calls inlined = 218, statements flattened = 7615 [2024-11-14 05:14:02,081 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:14:02,081 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:14:02,082 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:14:02,082 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:14:02,093 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:14:01" (1/1) ... [2024-11-14 05:14:02,093 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:14:01" (1/1) ... [2024-11-14 05:14:02,184 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:14:01" (1/1) ... [2024-11-14 05:14:02,184 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:14:01" (1/1) ... [2024-11-14 05:14:02,654 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:14:01" (1/1) ... [2024-11-14 05:14:02,704 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:14:01" (1/1) ... [2024-11-14 05:14:02,753 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:14:01" (1/1) ... [2024-11-14 05:14:02,802 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:14:01" (1/1) ... [2024-11-14 05:14:02,865 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:14:02,866 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:14:02,867 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:14:02,867 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:14:02,868 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:14:01" (1/1) ... [2024-11-14 05:14:02,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:14:02,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7da6cc0-aff3-4912-bc55-da7847148e7b/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:14:02,913 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7da6cc0-aff3-4912-bc55-da7847148e7b/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:14:02,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7da6cc0-aff3-4912-bc55-da7847148e7b/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:14:02,958 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-14 05:14:02,958 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-14 05:14:02,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-14 05:14:02,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:14:02,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-14 05:14:02,959 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush2 [2024-11-14 05:14:02,959 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush2 [2024-11-14 05:14:02,959 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush1 [2024-11-14 05:14:02,959 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush1 [2024-11-14 05:14:02,960 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush0 [2024-11-14 05:14:02,960 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush0 [2024-11-14 05:14:02,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:14:02,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:14:02,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-14 05:14:02,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-14 05:14:02,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-14 05:14:02,961 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop5 [2024-11-14 05:14:02,961 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop5 [2024-11-14 05:14:02,961 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop6 [2024-11-14 05:14:02,961 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop6 [2024-11-14 05:14:02,961 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop3 [2024-11-14 05:14:02,962 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop3 [2024-11-14 05:14:02,962 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop4 [2024-11-14 05:14:02,962 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop4 [2024-11-14 05:14:02,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 05:14:02,966 WARN L207 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-14 05:14:03,613 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:14:03,617 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:14:15,834 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-14 05:14:15,834 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:14:29,783 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:14:29,783 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-14 05:14:29,784 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:14:29 BoogieIcfgContainer [2024-11-14 05:14:29,784 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:14:29,788 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:14:29,788 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:14:29,796 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:14:29,796 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:14:00" (1/3) ... [2024-11-14 05:14:29,797 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43124038 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:14:29, skipping insertion in model container [2024-11-14 05:14:29,798 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:14:01" (2/3) ... [2024-11-14 05:14:29,798 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43124038 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:14:29, skipping insertion in model container [2024-11-14 05:14:29,798 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:14:29" (3/3) ... [2024-11-14 05:14:29,800 INFO L112 eAbstractionObserver]: Analyzing ICFG elimination_backoff_stack.i [2024-11-14 05:14:29,827 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:14:29,829 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG elimination_backoff_stack.i that has 8 procedures, 4482 locations, 1 initial locations, 0 loop locations, and 621 error locations. [2024-11-14 05:14:29,830 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-14 05:14:34,090 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-14 05:14:34,222 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 4503 places, 4628 transitions, 9284 flow