./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-ext/04_incdec_cas.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_24392f13-4765-44ac-9a08-a9370bcca128/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24392f13-4765-44ac-9a08-a9370bcca128/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24392f13-4765-44ac-9a08-a9370bcca128/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24392f13-4765-44ac-9a08-a9370bcca128/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-ext/04_incdec_cas.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24392f13-4765-44ac-9a08-a9370bcca128/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24392f13-4765-44ac-9a08-a9370bcca128/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a9295efc0d8bacfc5fb202511f0d3721ae5554ffb4def47cf5dbf45088356869 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 03:40:31,309 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 03:40:31,369 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24392f13-4765-44ac-9a08-a9370bcca128/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-29 03:40:31,373 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 03:40:31,374 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 03:40:31,398 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 03:40:31,398 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 03:40:31,399 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 03:40:31,399 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 03:40:31,400 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 03:40:31,401 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 03:40:31,401 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 03:40:31,402 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 03:40:31,402 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 03:40:31,403 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 03:40:31,403 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 03:40:31,404 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 03:40:31,405 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 03:40:31,405 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 03:40:31,406 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 03:40:31,406 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 03:40:31,407 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 03:40:31,407 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 03:40:31,408 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 03:40:31,408 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-29 03:40:31,408 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 03:40:31,409 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 03:40:31,409 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 03:40:31,410 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 03:40:31,410 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 03:40:31,411 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 03:40:31,411 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 03:40:31,411 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 03:40:31,412 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 03:40:31,412 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 03:40:31,412 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 03:40:31,412 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 03:40:31,412 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 03:40:31,413 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 03:40:31,413 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 03:40:31,413 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 03:40:31,413 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 03:40:31,413 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 03:40:31,413 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 03:40:31,414 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_24392f13-4765-44ac-9a08-a9370bcca128/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24392f13-4765-44ac-9a08-a9370bcca128/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a9295efc0d8bacfc5fb202511f0d3721ae5554ffb4def47cf5dbf45088356869 [2023-11-29 03:40:31,625 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 03:40:31,646 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 03:40:31,649 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 03:40:31,650 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 03:40:31,650 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 03:40:31,652 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24392f13-4765-44ac-9a08-a9370bcca128/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/pthread-ext/04_incdec_cas.i [2023-11-29 03:40:34,386 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 03:40:34,619 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 03:40:34,620 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24392f13-4765-44ac-9a08-a9370bcca128/sv-benchmarks/c/pthread-ext/04_incdec_cas.i [2023-11-29 03:40:34,638 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24392f13-4765-44ac-9a08-a9370bcca128/bin/uautomizer-verify-BQ2R08f2Ya/data/6b04e2c97/4f594a212ab6485fb9ccbaf92b66f7d9/FLAG6561de0b5 [2023-11-29 03:40:34,652 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24392f13-4765-44ac-9a08-a9370bcca128/bin/uautomizer-verify-BQ2R08f2Ya/data/6b04e2c97/4f594a212ab6485fb9ccbaf92b66f7d9 [2023-11-29 03:40:34,655 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 03:40:34,657 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 03:40:34,658 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 03:40:34,658 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 03:40:34,663 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 03:40:34,664 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:40:34" (1/1) ... [2023-11-29 03:40:34,665 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f0bb855 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:40:34, skipping insertion in model container [2023-11-29 03:40:34,665 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:40:34" (1/1) ... [2023-11-29 03:40:34,714 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 03:40:35,035 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:40:35,046 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 03:40:35,099 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:40:35,130 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 03:40:35,131 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 03:40:35,138 INFO L206 MainTranslator]: Completed translation [2023-11-29 03:40:35,138 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:40:35 WrapperNode [2023-11-29 03:40:35,138 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 03:40:35,140 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 03:40:35,140 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 03:40:35,140 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 03:40:35,148 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:40:35" (1/1) ... [2023-11-29 03:40:35,165 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:40:35" (1/1) ... [2023-11-29 03:40:35,195 INFO L138 Inliner]: procedures = 174, calls = 49, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 168 [2023-11-29 03:40:35,195 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 03:40:35,196 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 03:40:35,196 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 03:40:35,196 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 03:40:35,206 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:40:35" (1/1) ... [2023-11-29 03:40:35,206 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:40:35" (1/1) ... [2023-11-29 03:40:35,211 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:40:35" (1/1) ... [2023-11-29 03:40:35,231 INFO L175 MemorySlicer]: Split 24 memory accesses to 5 slices as follows [9, 6, 2, 1, 6]. 38 percent of accesses are in the largest equivalence class. The 5 initializations are split as follows [1, 0, 2, 0, 2]. The 9 writes are split as follows [2, 4, 0, 1, 2]. [2023-11-29 03:40:35,232 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:40:35" (1/1) ... [2023-11-29 03:40:35,232 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:40:35" (1/1) ... [2023-11-29 03:40:35,242 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:40:35" (1/1) ... [2023-11-29 03:40:35,247 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:40:35" (1/1) ... [2023-11-29 03:40:35,250 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:40:35" (1/1) ... [2023-11-29 03:40:35,252 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:40:35" (1/1) ... [2023-11-29 03:40:35,257 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 03:40:35,258 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 03:40:35,259 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 03:40:35,259 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 03:40:35,260 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:40:35" (1/1) ... [2023-11-29 03:40:35,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 03:40:35,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24392f13-4765-44ac-9a08-a9370bcca128/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:40:35,292 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24392f13-4765-44ac-9a08-a9370bcca128/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 03:40:35,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24392f13-4765-44ac-9a08-a9370bcca128/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 03:40:35,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-29 03:40:35,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-29 03:40:35,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-29 03:40:35,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-29 03:40:35,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-29 03:40:35,333 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-29 03:40:35,333 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-29 03:40:35,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-29 03:40:35,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-29 03:40:35,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-29 03:40:35,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-29 03:40:35,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-29 03:40:35,334 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-29 03:40:35,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 03:40:35,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 03:40:35,335 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 03:40:35,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 03:40:35,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-29 03:40:35,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-29 03:40:35,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-29 03:40:35,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-29 03:40:35,336 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-29 03:40:35,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 03:40:35,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 03:40:35,338 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-29 03:40:35,507 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 03:40:35,510 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 03:40:35,832 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 03:40:36,096 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 03:40:36,096 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-29 03:40:36,097 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:40:36 BoogieIcfgContainer [2023-11-29 03:40:36,097 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 03:40:36,100 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 03:40:36,101 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 03:40:36,104 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 03:40:36,105 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 03:40:34" (1/3) ... [2023-11-29 03:40:36,105 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1325e7b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 03:40:36, skipping insertion in model container [2023-11-29 03:40:36,106 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:40:35" (2/3) ... [2023-11-29 03:40:36,106 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1325e7b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 03:40:36, skipping insertion in model container [2023-11-29 03:40:36,106 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:40:36" (3/3) ... [2023-11-29 03:40:36,108 INFO L112 eAbstractionObserver]: Analyzing ICFG 04_incdec_cas.i [2023-11-29 03:40:36,118 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-29 03:40:36,130 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 03:40:36,130 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-11-29 03:40:36,132 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1325e7b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 03:40:36, skipping insertion in model container [2023-11-29 03:40:36,132 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 03:40:36,133 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 03:40:36,133 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 03:40:36,134 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 03:40:36,134 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:40:36" (3/3) ... [2023-11-29 03:40:36,137 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 03:40:36,141 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr1 [2023-11-29 03:40:36,145 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2023-11-29 03:40:36,145 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-29 03:40:36,146 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-29 03:40:36,146 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-29 03:40:36,237 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24392f13-4765-44ac-9a08-a9370bcca128/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 03:40:36,237 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24392f13-4765-44ac-9a08-a9370bcca128/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 03:40:36,237 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 03:40:36,239 INFO L158 Benchmark]: Toolchain (without parser) took 1581.83ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 111.6MB in the beginning and 131.4MB in the end (delta: -19.9MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2023-11-29 03:40:36,240 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 153.1MB. Free memory is still 125.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 03:40:36,241 INFO L158 Benchmark]: CACSL2BoogieTranslator took 480.70ms. Allocated memory is still 153.1MB. Free memory was 111.6MB in the beginning and 91.1MB in the end (delta: 20.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-29 03:40:36,241 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.93ms. Allocated memory is still 153.1MB. Free memory was 91.1MB in the beginning and 89.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 03:40:36,242 INFO L158 Benchmark]: Boogie Preprocessor took 61.52ms. Allocated memory is still 153.1MB. Free memory was 89.0MB in the beginning and 86.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 03:40:36,243 INFO L158 Benchmark]: RCFGBuilder took 838.44ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 86.4MB in the beginning and 137.7MB in the end (delta: -51.3MB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. [2023-11-29 03:40:36,243 INFO L158 Benchmark]: TraceAbstraction took 31.92ms. Allocated memory is still 184.5MB. Free memory was 137.7MB in the beginning and 135.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 03:40:36,244 INFO L158 Benchmark]: Witness Printer took 104.39ms. Allocated memory is still 184.5MB. Free memory was 135.4MB in the beginning and 131.4MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 03:40:36,248 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 153.1MB. Free memory is still 125.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 480.70ms. Allocated memory is still 153.1MB. Free memory was 111.6MB in the beginning and 91.1MB in the end (delta: 20.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.93ms. Allocated memory is still 153.1MB. Free memory was 91.1MB in the beginning and 89.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.52ms. Allocated memory is still 153.1MB. Free memory was 89.0MB in the beginning and 86.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 838.44ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 86.4MB in the beginning and 137.7MB in the end (delta: -51.3MB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. * TraceAbstraction took 31.92ms. Allocated memory is still 184.5MB. Free memory was 137.7MB in the beginning and 135.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 104.39ms. Allocated memory is still 184.5MB. Free memory was 135.4MB in the beginning and 131.4MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specification because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2023-11-29 03:40:36,268 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24392f13-4765-44ac-9a08-a9370bcca128/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE