./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) 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_fdcb52bb-52e9-411d-8507-1f2f82bb7de2/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdcb52bb-52e9-411d-8507-1f2f82bb7de2/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_fdcb52bb-52e9-411d-8507-1f2f82bb7de2/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdcb52bb-52e9-411d-8507-1f2f82bb7de2/bin/utaipan-verify-YMUCfTKeje/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdcb52bb-52e9-411d-8507-1f2f82bb7de2/bin/utaipan-verify-YMUCfTKeje/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdcb52bb-52e9-411d-8507-1f2f82bb7de2/bin/utaipan-verify-YMUCfTKeje --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 0a77b23de3110741cf9e339cfb9f72e965f6bc6bc082cff0044fedc6c4916cfb --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:57:58,938 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:57:59,039 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdcb52bb-52e9-411d-8507-1f2f82bb7de2/bin/utaipan-verify-YMUCfTKeje/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2024-11-09 06:57:59,046 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:57:59,049 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:57:59,102 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:57:59,103 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:57:59,103 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:57:59,104 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:57:59,106 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:57:59,106 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:57:59,106 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:57:59,107 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:57:59,107 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 06:57:59,108 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:57:59,110 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:57:59,111 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 06:57:59,111 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 06:57:59,111 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:57:59,125 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 06:57:59,126 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 06:57:59,129 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 06:57:59,129 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 06:57:59,130 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 06:57:59,130 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:57:59,130 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:57:59,130 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 06:57:59,131 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:57:59,131 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:57:59,131 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-09 06:57:59,131 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-09 06:57:59,131 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-09 06:57:59,132 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:57:59,132 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 06:57:59,133 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:57:59,134 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 06:57:59,134 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:57:59,134 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:57:59,135 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:57:59,135 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:57:59,135 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:57:59,135 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:57:59,136 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:57:59,137 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:57:59,137 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 06:57:59,137 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 06:57:59,138 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:57:59,138 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:57:59,138 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 06:57:59,138 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_fdcb52bb-52e9-411d-8507-1f2f82bb7de2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdcb52bb-52e9-411d-8507-1f2f82bb7de2/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0a77b23de3110741cf9e339cfb9f72e965f6bc6bc082cff0044fedc6c4916cfb [2024-11-09 06:57:59,407 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:57:59,440 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:57:59,443 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:57:59,444 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:57:59,446 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:57:59,447 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdcb52bb-52e9-411d-8507-1f2f82bb7de2/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i Unable to find full path for "g++" [2024-11-09 06:58:01,599 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:58:01,981 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:58:01,981 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdcb52bb-52e9-411d-8507-1f2f82bb7de2/sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i [2024-11-09 06:58:02,001 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdcb52bb-52e9-411d-8507-1f2f82bb7de2/bin/utaipan-verify-YMUCfTKeje/data/81daaf893/3a0ee7103ad3474894d7920675dc323c/FLAGb3d9c42e5 [2024-11-09 06:58:02,027 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdcb52bb-52e9-411d-8507-1f2f82bb7de2/bin/utaipan-verify-YMUCfTKeje/data/81daaf893/3a0ee7103ad3474894d7920675dc323c [2024-11-09 06:58:02,030 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:58:02,032 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:58:02,033 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:58:02,033 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:58:02,040 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:58:02,041 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:58:02" (1/1) ... [2024-11-09 06:58:02,042 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b8e36fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:02, skipping insertion in model container [2024-11-09 06:58:02,044 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:58:02" (1/1) ... [2024-11-09 06:58:02,112 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:58:03,007 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:58:03,038 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:58:03,156 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:58:03,270 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:58:03,271 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:03 WrapperNode [2024-11-09 06:58:03,271 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:58:03,272 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:58:03,273 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:58:03,273 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:58:03,283 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:03" (1/1) ... [2024-11-09 06:58:03,310 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:03" (1/1) ... [2024-11-09 06:58:03,502 INFO L138 Inliner]: procedures = 396, calls = 207, calls flagged for inlining = 53, calls inlined = 218, statements flattened = 3786 [2024-11-09 06:58:03,503 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:58:03,504 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:58:03,508 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:58:03,508 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:58:03,522 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:03" (1/1) ... [2024-11-09 06:58:03,525 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:03" (1/1) ... [2024-11-09 06:58:03,573 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:03" (1/1) ... [2024-11-09 06:58:03,574 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:03" (1/1) ... [2024-11-09 06:58:03,651 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:03" (1/1) ... [2024-11-09 06:58:03,665 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:03" (1/1) ... [2024-11-09 06:58:03,679 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:03" (1/1) ... [2024-11-09 06:58:03,696 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:03" (1/1) ... [2024-11-09 06:58:03,721 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:58:03,722 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:58:03,722 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:58:03,722 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:58:03,723 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:03" (1/1) ... [2024-11-09 06:58:03,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:58:03,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdcb52bb-52e9-411d-8507-1f2f82bb7de2/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:58:03,757 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdcb52bb-52e9-411d-8507-1f2f82bb7de2/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:58:03,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdcb52bb-52e9-411d-8507-1f2f82bb7de2/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:58:03,793 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-09 06:58:03,793 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-09 06:58:03,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 06:58:03,794 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:58:03,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-09 06:58:03,794 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush2 [2024-11-09 06:58:03,795 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush2 [2024-11-09 06:58:03,795 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush1 [2024-11-09 06:58:03,795 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush1 [2024-11-09 06:58:03,795 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush0 [2024-11-09 06:58:03,795 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush0 [2024-11-09 06:58:03,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:58:03,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:58:03,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-09 06:58:03,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-09 06:58:03,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 06:58:03,796 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop5 [2024-11-09 06:58:03,797 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop5 [2024-11-09 06:58:03,797 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop6 [2024-11-09 06:58:03,797 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop6 [2024-11-09 06:58:03,797 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop3 [2024-11-09 06:58:03,797 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop3 [2024-11-09 06:58:03,798 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop4 [2024-11-09 06:58:03,798 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop4 [2024-11-09 06:58:03,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 06:58:03,801 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 06:58:04,231 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:58:04,235 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:58:11,026 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-09 06:58:11,026 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:58:21,119 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:58:21,119 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 06:58:21,119 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:58:21 BoogieIcfgContainer [2024-11-09 06:58:21,120 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:58:21,123 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:58:21,123 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:58:21,127 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:58:21,127 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:58:02" (1/3) ... [2024-11-09 06:58:21,128 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c88cd09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:58:21, skipping insertion in model container [2024-11-09 06:58:21,128 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:58:03" (2/3) ... [2024-11-09 06:58:21,128 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c88cd09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:58:21, skipping insertion in model container [2024-11-09 06:58:21,129 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:58:21" (3/3) ... [2024-11-09 06:58:21,130 INFO L112 eAbstractionObserver]: Analyzing ICFG elimination_backoff_stack.i [2024-11-09 06:58:21,150 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:58:21,151 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1330 error locations. [2024-11-09 06:58:21,151 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-09 06:58:24,792 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-09 06:58:24,870 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 2024 places, 2114 transitions, 4256 flow