./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursified_loop-invariants/recursified_linear-inequality-inv-a.c --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_2434a3f2-9b0c-485b-8da2-68e749c995bf/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2434a3f2-9b0c-485b-8da2-68e749c995bf/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2434a3f2-9b0c-485b-8da2-68e749c995bf/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2434a3f2-9b0c-485b-8da2-68e749c995bf/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/recursified_loop-invariants/recursified_linear-inequality-inv-a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2434a3f2-9b0c-485b-8da2-68e749c995bf/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2434a3f2-9b0c-485b-8da2-68e749c995bf/bin/uautomizer-verify-VRDe98Ueme --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 fab3df42fb7f885fd39a281a051af0420a7d494ced4f3c2e06236facb6a7ec78 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:47:47,778 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:47:47,916 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2434a3f2-9b0c-485b-8da2-68e749c995bf/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-26 11:47:47,927 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:47:47,930 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:47:47,971 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:47:47,973 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:47:47,974 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:47:47,975 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:47:47,980 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:47:47,980 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:47:47,982 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:47:47,982 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:47:47,984 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:47:47,985 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:47:47,985 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:47:47,986 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:47:47,986 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:47:47,987 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:47:47,987 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:47:47,987 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:47:47,988 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:47:47,988 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:47:47,989 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:47:47,989 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-26 11:47:47,990 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 11:47:47,990 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:47:47,990 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:47:47,991 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:47:47,992 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:47:47,993 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:47:47,993 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 11:47:47,994 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:47:47,994 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:47:47,994 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:47:47,994 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:47:47,995 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:47:47,995 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:47:47,995 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 11:47:47,995 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:47:47,996 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:47:47,997 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:47:47,997 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:47:47,997 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:47:47,998 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_2434a3f2-9b0c-485b-8da2-68e749c995bf/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2434a3f2-9b0c-485b-8da2-68e749c995bf/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fab3df42fb7f885fd39a281a051af0420a7d494ced4f3c2e06236facb6a7ec78 [2023-11-26 11:47:48,311 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:47:48,346 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:47:48,348 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:47:48,350 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:47:48,350 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:47:48,352 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2434a3f2-9b0c-485b-8da2-68e749c995bf/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/recursified_loop-invariants/recursified_linear-inequality-inv-a.c [2023-11-26 11:47:51,643 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:47:51,929 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:47:51,930 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2434a3f2-9b0c-485b-8da2-68e749c995bf/sv-benchmarks/c/recursified_loop-invariants/recursified_linear-inequality-inv-a.c [2023-11-26 11:47:51,939 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2434a3f2-9b0c-485b-8da2-68e749c995bf/bin/uautomizer-verify-VRDe98Ueme/data/0f54e18ee/5b55aef5803b44b2a99175422dd98b52/FLAGa9c9b5b5d [2023-11-26 11:47:51,958 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2434a3f2-9b0c-485b-8da2-68e749c995bf/bin/uautomizer-verify-VRDe98Ueme/data/0f54e18ee/5b55aef5803b44b2a99175422dd98b52 [2023-11-26 11:47:51,964 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:47:51,967 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:47:51,970 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:47:51,970 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:47:51,976 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:47:51,977 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:47:51" (1/1) ... [2023-11-26 11:47:51,978 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e8557e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:51, skipping insertion in model container [2023-11-26 11:47:51,978 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:47:51" (1/1) ... [2023-11-26 11:47:52,006 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:47:52,225 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:47:52,238 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:47:52,272 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:47:52,289 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:47:52,290 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:52 WrapperNode [2023-11-26 11:47:52,290 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:47:52,291 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:47:52,291 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:47:52,292 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:47:52,300 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:52" (1/1) ... [2023-11-26 11:47:52,309 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:52" (1/1) ... [2023-11-26 11:47:52,338 INFO L138 Inliner]: procedures = 13, calls = 48, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 79 [2023-11-26 11:47:52,338 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:47:52,339 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:47:52,339 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:47:52,340 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:47:52,352 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:52" (1/1) ... [2023-11-26 11:47:52,352 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:52" (1/1) ... [2023-11-26 11:47:52,365 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:52" (1/1) ... [2023-11-26 11:47:52,395 INFO L175 MemorySlicer]: Split 18 memory accesses to 5 slices as follows [2, 3, 4, 4, 5]. 28 percent of accesses are in the largest equivalence class. The 6 initializations are split as follows [2, 1, 1, 1, 1]. The 3 writes are split as follows [0, 0, 1, 1, 1]. [2023-11-26 11:47:52,395 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:52" (1/1) ... [2023-11-26 11:47:52,396 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:52" (1/1) ... [2023-11-26 11:47:52,405 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:52" (1/1) ... [2023-11-26 11:47:52,413 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:52" (1/1) ... [2023-11-26 11:47:52,415 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:52" (1/1) ... [2023-11-26 11:47:52,422 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:52" (1/1) ... [2023-11-26 11:47:52,424 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:47:52,428 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:47:52,428 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:47:52,429 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:47:52,430 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:52" (1/1) ... [2023-11-26 11:47:52,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:47:52,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2434a3f2-9b0c-485b-8da2-68e749c995bf/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:47:52,471 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2434a3f2-9b0c-485b-8da2-68e749c995bf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:47:52,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2434a3f2-9b0c-485b-8da2-68e749c995bf/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:47:52,524 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-26 11:47:52,524 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-26 11:47:52,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:47:52,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 11:47:52,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-26 11:47:52,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-26 11:47:52,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-26 11:47:52,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-26 11:47:52,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 11:47:52,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-26 11:47:52,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-26 11:47:52,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-26 11:47:52,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-26 11:47:52,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-26 11:47:52,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:47:52,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:47:52,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-26 11:47:52,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-26 11:47:52,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-26 11:47:52,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-26 11:47:52,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-26 11:47:52,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 11:47:52,528 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_12_to_15_0 [2023-11-26 11:47:52,528 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_12_to_15_0 [2023-11-26 11:47:52,629 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:47:52,631 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:47:52,837 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:47:52,871 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:47:52,872 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-26 11:47:52,872 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:47:52 BoogieIcfgContainer [2023-11-26 11:47:52,872 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:47:52,876 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:47:52,876 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:47:52,889 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:47:52,889 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:47:51" (1/3) ... [2023-11-26 11:47:52,890 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@535328da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:47:52, skipping insertion in model container [2023-11-26 11:47:52,890 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:52" (2/3) ... [2023-11-26 11:47:52,891 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@535328da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:47:52, skipping insertion in model container [2023-11-26 11:47:52,891 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:47:52" (3/3) ... [2023-11-26 11:47:52,892 INFO L112 eAbstractionObserver]: Analyzing ICFG recursified_linear-inequality-inv-a.c [2023-11-26 11:47:52,917 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:47:52,917 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-11-26 11:47:52,920 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@535328da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 11:47:52, skipping insertion in model container [2023-11-26 11:47:52,920 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 11:47:52,922 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 11:47:52,922 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 11:47:52,922 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 11:47:52,923 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:47:52" (3/3) ... [2023-11-26 11:47:52,926 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-26 11:47:52,933 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure reach_error [2023-11-26 11:47:52,934 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure func_to_recursive_line_12_to_15_0 [2023-11-26 11:47:52,943 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-11-26 11:47:52,944 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-26 11:47:52,944 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-26 11:47:52,944 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-26 11:47:53,076 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2434a3f2-9b0c-485b-8da2-68e749c995bf/bin/uautomizer-verify-VRDe98Ueme/witness.graphml [2023-11-26 11:47:53,076 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2434a3f2-9b0c-485b-8da2-68e749c995bf/bin/uautomizer-verify-VRDe98Ueme/witness.yml [2023-11-26 11:47:53,076 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 11:47:53,078 INFO L158 Benchmark]: Toolchain (without parser) took 1110.84ms. Allocated memory is still 142.6MB. Free memory was 112.5MB in the beginning and 76.5MB in the end (delta: 36.1MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-11-26 11:47:53,079 INFO L158 Benchmark]: CDTParser took 1.41ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 78.2MB in the end (delta: 159.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:47:53,079 INFO L158 Benchmark]: CACSL2BoogieTranslator took 320.39ms. Allocated memory is still 142.6MB. Free memory was 112.5MB in the beginning and 102.1MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-26 11:47:53,080 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.34ms. Allocated memory is still 142.6MB. Free memory was 102.1MB in the beginning and 100.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:47:53,080 INFO L158 Benchmark]: Boogie Preprocessor took 87.84ms. Allocated memory is still 142.6MB. Free memory was 100.5MB in the beginning and 98.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:47:53,081 INFO L158 Benchmark]: RCFGBuilder took 444.82ms. Allocated memory is still 142.6MB. Free memory was 98.4MB in the beginning and 84.5MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-26 11:47:53,081 INFO L158 Benchmark]: TraceAbstraction took 45.20ms. Allocated memory is still 142.6MB. Free memory was 83.8MB in the beginning and 81.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:47:53,082 INFO L158 Benchmark]: Witness Printer took 154.43ms. Allocated memory is still 142.6MB. Free memory was 81.7MB in the beginning and 76.5MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-26 11:47:53,086 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.41ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 78.2MB in the end (delta: 159.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 320.39ms. Allocated memory is still 142.6MB. Free memory was 112.5MB in the beginning and 102.1MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.34ms. Allocated memory is still 142.6MB. Free memory was 102.1MB in the beginning and 100.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 87.84ms. Allocated memory is still 142.6MB. Free memory was 100.5MB in the beginning and 98.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 444.82ms. Allocated memory is still 142.6MB. Free memory was 98.4MB in the beginning and 84.5MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 45.20ms. Allocated memory is still 142.6MB. Free memory was 83.8MB in the beginning and 81.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 154.43ms. Allocated memory is still 142.6MB. Free memory was 81.7MB in the beginning and 76.5MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. 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! [2023-11-26 11:47:53,106 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2434a3f2-9b0c-485b-8da2-68e749c995bf/bin/uautomizer-verify-VRDe98Ueme/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