./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a 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_26d00f2a-a26b-4d47-a79b-c1879b37d2b5/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d00f2a-a26b-4d47-a79b-c1879b37d2b5/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d00f2a-a26b-4d47-a79b-c1879b37d2b5/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d00f2a-a26b-4d47-a79b-c1879b37d2b5/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d00f2a-a26b-4d47-a79b-c1879b37d2b5/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d00f2a-a26b-4d47-a79b-c1879b37d2b5/bin/uautomizer-verify-4GaUIPS5ZU --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7f7f7b6ea5abe354543dc816b244a5041021350ff4076c6fd52a8208b97eac31 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:17:29,457 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:17:29,541 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d00f2a-a26b-4d47-a79b-c1879b37d2b5/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-31 22:17:29,550 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:17:29,551 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:17:29,588 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:17:29,590 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:17:29,591 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:17:29,592 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:17:29,593 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:17:29,593 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:17:29,594 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:17:29,594 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:17:29,595 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:17:29,597 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:17:29,598 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:17:29,598 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:17:29,598 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:17:29,599 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:17:29,599 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:17:29,599 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:17:29,604 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:17:29,604 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:17:29,604 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:17:29,605 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:17:29,605 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:17:29,605 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:17:29,605 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:17:29,606 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:17:29,606 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:17:29,606 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:17:29,606 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:17:29,606 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:17:29,619 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:17:29,619 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:17:29,619 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:17:29,620 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:17:29,621 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:17:29,621 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:17:29,622 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:17:29,622 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:17:29,622 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:17:29,623 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_26d00f2a-a26b-4d47-a79b-c1879b37d2b5/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d00f2a-a26b-4d47-a79b-c1879b37d2b5/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7f7f7b6ea5abe354543dc816b244a5041021350ff4076c6fd52a8208b97eac31 [2024-10-31 22:17:30,018 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:17:30,053 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:17:30,056 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:17:30,058 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:17:30,059 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:17:30,060 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d00f2a-a26b-4d47-a79b-c1879b37d2b5/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-2.i Unable to find full path for "g++" [2024-10-31 22:17:32,414 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:17:32,729 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:17:32,730 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d00f2a-a26b-4d47-a79b-c1879b37d2b5/sv-benchmarks/c/pthread-ext/26_stack_cas_longest-2.i [2024-10-31 22:17:32,752 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d00f2a-a26b-4d47-a79b-c1879b37d2b5/bin/uautomizer-verify-4GaUIPS5ZU/data/138b21969/4eb7fe15c4394b5d838ed5969c083f44/FLAG847b0b7d5 [2024-10-31 22:17:32,998 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d00f2a-a26b-4d47-a79b-c1879b37d2b5/bin/uautomizer-verify-4GaUIPS5ZU/data/138b21969/4eb7fe15c4394b5d838ed5969c083f44 [2024-10-31 22:17:33,001 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:17:33,003 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:17:33,004 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:17:33,006 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:17:33,012 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:17:33,013 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:17:33" (1/1) ... [2024-10-31 22:17:33,015 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ce29758 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:33, skipping insertion in model container [2024-10-31 22:17:33,015 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:17:33" (1/1) ... [2024-10-31 22:17:33,072 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:17:33,549 WARN L251 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_26d00f2a-a26b-4d47-a79b-c1879b37d2b5/sv-benchmarks/c/pthread-ext/26_stack_cas_longest-2.i[31306,31319] [2024-10-31 22:17:33,564 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:17:33,640 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:17:33,720 WARN L251 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_26d00f2a-a26b-4d47-a79b-c1879b37d2b5/sv-benchmarks/c/pthread-ext/26_stack_cas_longest-2.i[31306,31319] [2024-10-31 22:17:33,725 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:17:33,795 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:17:33,795 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:33 WrapperNode [2024-10-31 22:17:33,796 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:17:33,797 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:17:33,797 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:17:33,797 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:17:33,806 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:33" (1/1) ... [2024-10-31 22:17:33,847 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:33" (1/1) ... [2024-10-31 22:17:33,936 INFO L138 Inliner]: procedures = 179, calls = 46, calls flagged for inlining = 16, calls inlined = 19, statements flattened = 2108 [2024-10-31 22:17:33,937 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:17:33,938 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:17:33,939 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:17:33,939 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:17:33,953 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:33" (1/1) ... [2024-10-31 22:17:33,953 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:33" (1/1) ... [2024-10-31 22:17:33,960 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:33" (1/1) ... [2024-10-31 22:17:34,012 INFO L175 MemorySlicer]: Split 24 memory accesses to 4 slices as follows [2, 6, 4, 12]. 50 percent of accesses are in the largest equivalence class. The 6 initializations are split as follows [2, 1, 1, 2]. The 9 writes are split as follows [0, 2, 2, 5]. [2024-10-31 22:17:34,012 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:33" (1/1) ... [2024-10-31 22:17:34,013 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:33" (1/1) ... [2024-10-31 22:17:34,082 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:33" (1/1) ... [2024-10-31 22:17:34,151 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:33" (1/1) ... [2024-10-31 22:17:34,156 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:33" (1/1) ... [2024-10-31 22:17:34,196 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:33" (1/1) ... [2024-10-31 22:17:34,222 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:17:34,223 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:17:34,224 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:17:34,224 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:17:34,225 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:33" (1/1) ... [2024-10-31 22:17:34,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:17:34,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d00f2a-a26b-4d47-a79b-c1879b37d2b5/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:17:34,272 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d00f2a-a26b-4d47-a79b-c1879b37d2b5/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:17:34,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26d00f2a-a26b-4d47-a79b-c1879b37d2b5/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:17:34,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-31 22:17:34,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-31 22:17:34,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-31 22:17:34,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-31 22:17:34,318 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-10-31 22:17:34,318 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-10-31 22:17:34,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-31 22:17:34,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-31 22:17:34,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-31 22:17:34,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-31 22:17:34,320 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-31 22:17:34,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:17:34,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-31 22:17:34,321 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 22:17:34,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:17:34,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-31 22:17:34,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-31 22:17:34,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-31 22:17:34,322 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-31 22:17:34,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:17:34,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:17:34,325 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-31 22:17:34,546 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:17:34,548 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:17:36,901 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-31 22:17:36,902 INFO L287 CfgBuilder]: Performing block encoding