./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread-wmm/safe019_rmo.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceab74f5-6ccb-4c8c-906c-f05d12f2d4b3/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceab74f5-6ccb-4c8c-906c-f05d12f2d4b3/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceab74f5-6ccb-4c8c-906c-f05d12f2d4b3/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceab74f5-6ccb-4c8c-906c-f05d12f2d4b3/bin/utaipan-verify-NcY6lQBIFX/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-wmm/safe019_rmo.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceab74f5-6ccb-4c8c-906c-f05d12f2d4b3/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceab74f5-6ccb-4c8c-906c-f05d12f2d4b3/bin/utaipan-verify-NcY6lQBIFX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2ad190c36ab064f1e4bfbebf06775e6b037058a5a86becabf7b70897d3619304 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:14:47,201 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:14:47,273 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceab74f5-6ccb-4c8c-906c-f05d12f2d4b3/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2023-11-12 00:14:47,278 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:14:47,279 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:14:47,316 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:14:47,317 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:14:47,317 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:14:47,318 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:14:47,319 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:14:47,320 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:14:47,320 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:14:47,321 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:14:47,324 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:14:47,325 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:14:47,325 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:14:47,327 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:14:47,331 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:14:47,332 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:14:47,332 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:14:47,334 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:14:47,335 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:14:47,336 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:14:47,336 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:14:47,337 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:14:47,338 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:14:47,338 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:14:47,339 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:14:47,339 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:14:47,340 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-12 00:14:47,341 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-12 00:14:47,342 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-12 00:14:47,342 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:14:47,342 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:14:47,343 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:14:47,343 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:14:47,343 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:14:47,344 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:14:47,344 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:14:47,344 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:14:47,345 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:14:47,345 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:14:47,346 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:14:47,346 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:14:47,347 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:14:47,347 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:14:47,347 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_ceab74f5-6ccb-4c8c-906c-f05d12f2d4b3/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceab74f5-6ccb-4c8c-906c-f05d12f2d4b3/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ad190c36ab064f1e4bfbebf06775e6b037058a5a86becabf7b70897d3619304 [2023-11-12 00:14:47,669 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:14:47,703 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:14:47,706 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:14:47,707 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:14:47,709 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:14:47,710 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceab74f5-6ccb-4c8c-906c-f05d12f2d4b3/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/pthread-wmm/safe019_rmo.opt.i [2023-11-12 00:14:50,746 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:14:51,191 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:14:51,192 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceab74f5-6ccb-4c8c-906c-f05d12f2d4b3/sv-benchmarks/c/pthread-wmm/safe019_rmo.opt.i [2023-11-12 00:14:51,215 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceab74f5-6ccb-4c8c-906c-f05d12f2d4b3/bin/utaipan-verify-NcY6lQBIFX/data/9fd8b3136/2576638f127849b5bde3d72015eeff80/FLAG8c38c9646 [2023-11-12 00:14:51,230 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceab74f5-6ccb-4c8c-906c-f05d12f2d4b3/bin/utaipan-verify-NcY6lQBIFX/data/9fd8b3136/2576638f127849b5bde3d72015eeff80 [2023-11-12 00:14:51,232 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:14:51,234 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:14:51,235 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:14:51,235 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:14:51,247 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:14:51,248 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:14:51" (1/1) ... [2023-11-12 00:14:51,249 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@95bd0ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:51, skipping insertion in model container [2023-11-12 00:14:51,249 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:14:51" (1/1) ... [2023-11-12 00:14:51,330 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:14:51,846 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:14:51,860 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:14:51,956 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:14:52,006 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:14:52,007 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:14:52,015 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:14:52,015 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:52 WrapperNode [2023-11-12 00:14:52,016 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:14:52,017 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:14:52,017 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:14:52,018 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:14:52,026 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:52" (1/1) ... [2023-11-12 00:14:52,078 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:52" (1/1) ... [2023-11-12 00:14:52,119 INFO L138 Inliner]: procedures = 177, calls = 87, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 154 [2023-11-12 00:14:52,119 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:14:52,120 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:14:52,120 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:14:52,121 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:14:52,130 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:52" (1/1) ... [2023-11-12 00:14:52,131 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:52" (1/1) ... [2023-11-12 00:14:52,148 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:52" (1/1) ... [2023-11-12 00:14:52,150 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:52" (1/1) ... [2023-11-12 00:14:52,178 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:52" (1/1) ... [2023-11-12 00:14:52,181 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:52" (1/1) ... [2023-11-12 00:14:52,194 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:52" (1/1) ... [2023-11-12 00:14:52,197 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:52" (1/1) ... [2023-11-12 00:14:52,202 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:14:52,209 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:14:52,209 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:14:52,209 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:14:52,210 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:52" (1/1) ... [2023-11-12 00:14:52,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:14:52,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceab74f5-6ccb-4c8c-906c-f05d12f2d4b3/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:14:52,242 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceab74f5-6ccb-4c8c-906c-f05d12f2d4b3/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:14:52,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceab74f5-6ccb-4c8c-906c-f05d12f2d4b3/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:14:52,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:14:52,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:14:52,285 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-12 00:14:52,286 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:14:52,286 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:14:52,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:14:52,288 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-12 00:14:52,288 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-12 00:14:52,289 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-12 00:14:52,289 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-12 00:14:52,289 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-12 00:14:52,289 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-12 00:14:52,290 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-11-12 00:14:52,290 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-11-12 00:14:52,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:14:52,290 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-12 00:14:52,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:14:52,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:14:52,294 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-12 00:14:52,503 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:14:52,504 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:14:53,245 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:14:53,988 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:14:53,989 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 00:14:53,993 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:14:53 BoogieIcfgContainer [2023-11-12 00:14:53,993 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:14:53,998 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:14:53,999 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:14:54,002 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:14:54,002 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:14:51" (1/3) ... [2023-11-12 00:14:54,003 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a3cfa32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:14:54, skipping insertion in model container [2023-11-12 00:14:54,003 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:52" (2/3) ... [2023-11-12 00:14:54,005 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a3cfa32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:14:54, skipping insertion in model container [2023-11-12 00:14:54,006 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:14:53" (3/3) ... [2023-11-12 00:14:54,007 INFO L112 eAbstractionObserver]: Analyzing ICFG safe019_rmo.opt.i [2023-11-12 00:14:54,030 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:14:54,030 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 54 error locations. [2023-11-12 00:14:54,031 INFO L521 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-12 00:14:54,201 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-12 00:14:54,247 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-11-12 00:14:54,272 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 218 places, 208 transitions, 432 flow [2023-11-12 00:14:54,277 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 218 places, 208 transitions, 432 flow [2023-11-12 00:14:54,279 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 218 places, 208 transitions, 432 flow [2023-11-12 00:14:54,423 INFO L124 PetriNetUnfolderBase]: 3/204 cut-off events. [2023-11-12 00:14:54,423 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-12 00:14:54,432 INFO L83 FinitePrefix]: Finished finitePrefix Result has 217 conditions, 204 events. 3/204 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 326 event pairs, 0 based on Foata normal form. 0/147 useless extension candidates. Maximal degree in co-relation 145. Up to 2 conditions per place. [2023-11-12 00:14:54,442 INFO L119 LiptonReduction]: Number of co-enabled transitions 10864 [2023-11-12 00:15:18,831 INFO L134 LiptonReduction]: Checked pairs total: 46194 [2023-11-12 00:15:18,832 INFO L136 LiptonReduction]: Total number of compositions: 210 [2023-11-12 00:15:18,856 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 102 places, 90 transitions, 196 flow