./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursified_loop-invariants/recursified_even.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_de63818d-f12d-43f6-8b12-35f59842b82c/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de63818d-f12d-43f6-8b12-35f59842b82c/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_de63818d-f12d-43f6-8b12-35f59842b82c/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de63818d-f12d-43f6-8b12-35f59842b82c/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/recursified_loop-invariants/recursified_even.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de63818d-f12d-43f6-8b12-35f59842b82c/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_de63818d-f12d-43f6-8b12-35f59842b82c/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 866e2a85bd7b7bc62f8d91ed6004438559021a24513f8ea9b8a2b216fde27501 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:48:32,589 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:48:32,709 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de63818d-f12d-43f6-8b12-35f59842b82c/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-26 11:48:32,717 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:48:32,718 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:48:32,755 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:48:32,756 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:48:32,756 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:48:32,758 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:48:32,763 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:48:32,763 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:48:32,765 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:48:32,766 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:48:32,767 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:48:32,768 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:48:32,769 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:48:32,769 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:48:32,770 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:48:32,770 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:48:32,772 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:48:32,772 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:48:32,773 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:48:32,773 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:48:32,774 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:48:32,774 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-26 11:48:32,775 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 11:48:32,775 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:48:32,776 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:48:32,776 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:48:32,777 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:48:32,778 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:48:32,779 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 11:48:32,779 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:48:32,779 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:48:32,779 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:48:32,780 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:48:32,780 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:48:32,780 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:48:32,780 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 11:48:32,780 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:48:32,781 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:48:32,781 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:48:32,781 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:48:32,781 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:48:32,782 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_de63818d-f12d-43f6-8b12-35f59842b82c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de63818d-f12d-43f6-8b12-35f59842b82c/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 866e2a85bd7b7bc62f8d91ed6004438559021a24513f8ea9b8a2b216fde27501 [2023-11-26 11:48:33,117 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:48:33,141 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:48:33,144 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:48:33,145 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:48:33,146 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:48:33,147 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de63818d-f12d-43f6-8b12-35f59842b82c/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/recursified_loop-invariants/recursified_even.c [2023-11-26 11:48:36,299 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:48:36,518 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:48:36,518 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de63818d-f12d-43f6-8b12-35f59842b82c/sv-benchmarks/c/recursified_loop-invariants/recursified_even.c [2023-11-26 11:48:36,530 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de63818d-f12d-43f6-8b12-35f59842b82c/bin/uautomizer-verify-VRDe98Ueme/data/69a6ce9e9/50ebdb038bfb4a65b045c2350ec3e1c3/FLAG3abd9d7a2 [2023-11-26 11:48:36,548 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de63818d-f12d-43f6-8b12-35f59842b82c/bin/uautomizer-verify-VRDe98Ueme/data/69a6ce9e9/50ebdb038bfb4a65b045c2350ec3e1c3 [2023-11-26 11:48:36,554 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:48:36,556 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:48:36,558 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:48:36,558 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:48:36,569 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:48:36,570 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:48:36" (1/1) ... [2023-11-26 11:48:36,571 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9f12697 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:48:36, skipping insertion in model container [2023-11-26 11:48:36,571 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:48:36" (1/1) ... [2023-11-26 11:48:36,595 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:48:36,744 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:48:36,756 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:48:36,771 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:48:36,785 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:48:36,785 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:48:36 WrapperNode [2023-11-26 11:48:36,785 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:48:36,786 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:48:36,787 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:48:36,787 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:48:36,794 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:48:36" (1/1) ... [2023-11-26 11:48:36,801 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:48:36" (1/1) ... [2023-11-26 11:48:36,817 INFO L138 Inliner]: procedures = 15, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 35 [2023-11-26 11:48:36,818 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:48:36,818 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:48:36,819 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:48:36,819 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:48:36,828 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:48:36" (1/1) ... [2023-11-26 11:48:36,828 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:48:36" (1/1) ... [2023-11-26 11:48:36,830 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:48:36" (1/1) ... [2023-11-26 11:48:36,844 INFO L175 MemorySlicer]: Split 13 memory accesses to 3 slices as follows [2, 7, 4]. 54 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 7, 1]. The 1 writes are split as follows [0, 0, 1]. [2023-11-26 11:48:36,845 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:48:36" (1/1) ... [2023-11-26 11:48:36,845 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:48:36" (1/1) ... [2023-11-26 11:48:36,850 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:48:36" (1/1) ... [2023-11-26 11:48:36,852 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:48:36" (1/1) ... [2023-11-26 11:48:36,854 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:48:36" (1/1) ... [2023-11-26 11:48:36,855 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:48:36" (1/1) ... [2023-11-26 11:48:36,857 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:48:36,858 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:48:36,858 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:48:36,858 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:48:36,859 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:48:36" (1/1) ... [2023-11-26 11:48:36,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:48:36,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de63818d-f12d-43f6-8b12-35f59842b82c/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:48:36,901 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de63818d-f12d-43f6-8b12-35f59842b82c/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:48:36,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de63818d-f12d-43f6-8b12-35f59842b82c/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:48:36,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:48:36,960 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_13_to_14_0 [2023-11-26 11:48:36,960 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_13_to_14_0 [2023-11-26 11:48:36,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 11:48:36,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-26 11:48:36,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-26 11:48:36,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 11:48:36,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-26 11:48:36,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-26 11:48:36,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-26 11:48:36,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:48:36,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:48:36,962 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-26 11:48:36,962 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-26 11:48:36,962 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-26 11:48:36,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 11:48:37,037 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:48:37,039 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:48:37,176 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:48:37,210 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:48:37,210 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-26 11:48:37,211 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:48:37 BoogieIcfgContainer [2023-11-26 11:48:37,211 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:48:37,214 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:48:37,214 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:48:37,218 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:48:37,218 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:48:36" (1/3) ... [2023-11-26 11:48:37,219 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@634fb7f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:48:37, skipping insertion in model container [2023-11-26 11:48:37,219 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:48:36" (2/3) ... [2023-11-26 11:48:37,220 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@634fb7f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:48:37, skipping insertion in model container [2023-11-26 11:48:37,220 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:48:37" (3/3) ... [2023-11-26 11:48:37,222 INFO L112 eAbstractionObserver]: Analyzing ICFG recursified_even.c [2023-11-26 11:48:37,243 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:48:37,244 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-11-26 11:48:37,245 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@634fb7f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 11:48:37, skipping insertion in model container [2023-11-26 11:48:37,246 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 11:48:37,247 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 11:48:37,247 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 11:48:37,247 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 11:48:37,248 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:48:37" (3/3) ... [2023-11-26 11:48:37,250 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-26 11:48:37,255 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure func_to_recursive_line_13_to_14_0 [2023-11-26 11:48:37,261 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2023-11-26 11:48:37,261 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-11-26 11:48:37,261 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-26 11:48:37,262 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-26 11:48:37,262 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-26 11:48:37,354 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de63818d-f12d-43f6-8b12-35f59842b82c/bin/uautomizer-verify-VRDe98Ueme/witness.graphml [2023-11-26 11:48:37,355 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de63818d-f12d-43f6-8b12-35f59842b82c/bin/uautomizer-verify-VRDe98Ueme/witness.yml [2023-11-26 11:48:37,355 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 11:48:37,357 INFO L158 Benchmark]: Toolchain (without parser) took 799.70ms. Allocated memory is still 155.2MB. Free memory was 111.6MB in the beginning and 79.6MB in the end (delta: 32.0MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-26 11:48:37,357 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 155.2MB. Free memory is still 124.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:48:37,358 INFO L158 Benchmark]: CACSL2BoogieTranslator took 227.84ms. Allocated memory is still 155.2MB. Free memory was 111.0MB in the beginning and 101.0MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-26 11:48:37,359 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.29ms. Allocated memory is still 155.2MB. Free memory was 101.0MB in the beginning and 99.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:48:37,359 INFO L158 Benchmark]: Boogie Preprocessor took 38.68ms. Allocated memory is still 155.2MB. Free memory was 99.7MB in the beginning and 97.6MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 11:48:37,360 INFO L158 Benchmark]: RCFGBuilder took 353.40ms. Allocated memory is still 155.2MB. Free memory was 97.6MB in the beginning and 86.5MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-26 11:48:37,361 INFO L158 Benchmark]: TraceAbstraction took 31.87ms. Allocated memory is still 155.2MB. Free memory was 85.9MB in the beginning and 83.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:48:37,361 INFO L158 Benchmark]: Witness Printer took 108.59ms. Allocated memory is still 155.2MB. Free memory was 83.7MB in the beginning and 79.6MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 11:48:37,364 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 155.2MB. Free memory is still 124.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 227.84ms. Allocated memory is still 155.2MB. Free memory was 111.0MB in the beginning and 101.0MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.29ms. Allocated memory is still 155.2MB. Free memory was 101.0MB in the beginning and 99.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 38.68ms. Allocated memory is still 155.2MB. Free memory was 99.7MB in the beginning and 97.6MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 353.40ms. Allocated memory is still 155.2MB. Free memory was 97.6MB in the beginning and 86.5MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 31.87ms. Allocated memory is still 155.2MB. Free memory was 85.9MB in the beginning and 83.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 108.59ms. Allocated memory is still 155.2MB. Free memory was 83.7MB in the beginning and 79.6MB 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! [2023-11-26 11:48:37,386 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de63818d-f12d-43f6-8b12-35f59842b82c/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