./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursified_nla-digbench/recursified_divbin.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f5fe8e7-30c8-4ca9-a4e9-2b5181b3cdd6/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f5fe8e7-30c8-4ca9-a4e9-2b5181b3cdd6/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f5fe8e7-30c8-4ca9-a4e9-2b5181b3cdd6/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f5fe8e7-30c8-4ca9-a4e9-2b5181b3cdd6/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_divbin.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f5fe8e7-30c8-4ca9-a4e9-2b5181b3cdd6/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f5fe8e7-30c8-4ca9-a4e9-2b5181b3cdd6/bin/uautomizer-verify-qhAvR1uOyd --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 8d0e6bdf4ddc5b5e0cadfb452142b6477bf8c78b59a2e6398c4f283004048468 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 14:31:23,501 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 14:31:23,612 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f5fe8e7-30c8-4ca9-a4e9-2b5181b3cdd6/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-13 14:31:23,627 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 14:31:23,628 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 14:31:23,674 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 14:31:23,677 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 14:31:23,678 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 14:31:23,678 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 14:31:23,679 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 14:31:23,679 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 14:31:23,680 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 14:31:23,681 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 14:31:23,681 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 14:31:23,682 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 14:31:23,682 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 14:31:23,683 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 14:31:23,683 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 14:31:23,683 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 14:31:23,683 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 14:31:23,683 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 14:31:23,683 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 14:31:23,684 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 14:31:23,684 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 14:31:23,684 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 14:31:23,684 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 14:31:23,684 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 14:31:23,684 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 14:31:23,685 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 14:31:23,685 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 14:31:23,685 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 14:31:23,685 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 14:31:23,685 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 14:31:23,685 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 14:31:23,686 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:31:23,686 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 14:31:23,687 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 14:31:23,687 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 14:31:23,687 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 14:31:23,688 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 14:31:23,688 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 14:31:23,688 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 14:31:23,688 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 14:31:23,688 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 14:31:23,688 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_2f5fe8e7-30c8-4ca9-a4e9-2b5181b3cdd6/bin/uautomizer-verify-qhAvR1uOyd 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 -> 8d0e6bdf4ddc5b5e0cadfb452142b6477bf8c78b59a2e6398c4f283004048468 [2024-11-13 14:31:24,074 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 14:31:24,085 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 14:31:24,088 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 14:31:24,089 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 14:31:24,090 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 14:31:24,091 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f5fe8e7-30c8-4ca9-a4e9-2b5181b3cdd6/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/recursified_nla-digbench/recursified_divbin.i Unable to find full path for "g++" [2024-11-13 14:31:26,357 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 14:31:26,658 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 14:31:26,659 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f5fe8e7-30c8-4ca9-a4e9-2b5181b3cdd6/sv-benchmarks/c/recursified_nla-digbench/recursified_divbin.i [2024-11-13 14:31:26,675 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f5fe8e7-30c8-4ca9-a4e9-2b5181b3cdd6/bin/uautomizer-verify-qhAvR1uOyd/data/0d1f3b39d/c25d9025e9b94d148e812deb9db6c51a/FLAGa92cb2240 [2024-11-13 14:31:26,713 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f5fe8e7-30c8-4ca9-a4e9-2b5181b3cdd6/bin/uautomizer-verify-qhAvR1uOyd/data/0d1f3b39d/c25d9025e9b94d148e812deb9db6c51a [2024-11-13 14:31:26,715 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 14:31:26,716 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 14:31:26,718 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 14:31:26,718 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 14:31:26,722 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 14:31:26,722 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:31:26" (1/1) ... [2024-11-13 14:31:26,723 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9b67b9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:31:26, skipping insertion in model container [2024-11-13 14:31:26,724 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:31:26" (1/1) ... [2024-11-13 14:31:26,743 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 14:31:26,948 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:31:26,965 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 14:31:27,005 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:31:27,027 INFO L204 MainTranslator]: Completed translation [2024-11-13 14:31:27,028 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:31:27 WrapperNode [2024-11-13 14:31:27,028 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 14:31:27,030 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 14:31:27,030 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 14:31:27,030 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 14:31:27,038 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:31:27" (1/1) ... [2024-11-13 14:31:27,048 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:31:27" (1/1) ... [2024-11-13 14:31:27,075 INFO L138 Inliner]: procedures = 19, calls = 64, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 73 [2024-11-13 14:31:27,076 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 14:31:27,077 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 14:31:27,078 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 14:31:27,078 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 14:31:27,088 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:31:27" (1/1) ... [2024-11-13 14:31:27,089 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:31:27" (1/1) ... [2024-11-13 14:31:27,093 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:31:27" (1/1) ... [2024-11-13 14:31:27,129 INFO L175 MemorySlicer]: Split 36 memory accesses to 6 slices as follows [2, 5, 7, 4, 7, 11]. 31 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0, 0]. The 10 writes are split as follows [0, 1, 3, 1, 2, 3]. [2024-11-13 14:31:27,130 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:31:27" (1/1) ... [2024-11-13 14:31:27,131 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:31:27" (1/1) ... [2024-11-13 14:31:27,145 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:31:27" (1/1) ... [2024-11-13 14:31:27,151 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:31:27" (1/1) ... [2024-11-13 14:31:27,152 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:31:27" (1/1) ... [2024-11-13 14:31:27,153 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:31:27" (1/1) ... [2024-11-13 14:31:27,160 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 14:31:27,161 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 14:31:27,165 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 14:31:27,165 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 14:31:27,166 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:31:27" (1/1) ... [2024-11-13 14:31:27,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:31:27,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f5fe8e7-30c8-4ca9-a4e9-2b5181b3cdd6/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:31:27,211 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f5fe8e7-30c8-4ca9-a4e9-2b5181b3cdd6/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 14:31:27,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f5fe8e7-30c8-4ca9-a4e9-2b5181b3cdd6/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 14:31:27,255 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_35_to_37_0 [2024-11-13 14:31:27,255 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_35_to_37_0 [2024-11-13 14:31:27,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 14:31:27,256 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 14:31:27,256 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 14:31:27,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 14:31:27,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-13 14:31:27,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-13 14:31:27,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-13 14:31:27,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-13 14:31:27,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-13 14:31:27,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 14:31:27,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-13 14:31:27,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-13 14:31:27,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-13 14:31:27,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-13 14:31:27,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-13 14:31:27,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-13 14:31:27,259 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_39_to_46_0 [2024-11-13 14:31:27,259 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_39_to_46_0 [2024-11-13 14:31:27,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 14:31:27,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 14:31:27,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-13 14:31:27,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-13 14:31:27,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-13 14:31:27,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-13 14:31:27,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-13 14:31:27,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-13 14:31:27,261 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 14:31:27,262 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 14:31:27,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 14:31:27,446 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 14:31:27,449 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 14:31:27,727 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-11-13 14:31:27,727 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 14:31:27,738 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 14:31:27,739 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 14:31:27,740 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:31:27 BoogieIcfgContainer [2024-11-13 14:31:27,740 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 14:31:27,746 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 14:31:27,746 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 14:31:27,752 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 14:31:27,752 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:31:26" (1/3) ... [2024-11-13 14:31:27,754 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62913f65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:31:27, skipping insertion in model container [2024-11-13 14:31:27,755 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:31:27" (2/3) ... [2024-11-13 14:31:27,755 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62913f65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:31:27, skipping insertion in model container [2024-11-13 14:31:27,755 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:31:27" (3/3) ... [2024-11-13 14:31:27,757 INFO L112 eAbstractionObserver]: Analyzing ICFG recursified_divbin.i [2024-11-13 14:31:27,779 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 14:31:27,783 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG recursified_divbin.i that has 5 procedures, 40 locations, 1 initial locations, 0 loop locations, and 0 error locations. [2024-11-13 14:31:27,785 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62913f65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 02:31:27, skipping insertion in model container [2024-11-13 14:31:27,785 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 14:31:27,786 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 14:31:27,786 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 14:31:27,788 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 14:31:27,789 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:31:27" (3/3) ... [2024-11-13 14:31:27,792 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 14:31:27,797 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure func_to_recursive_line_35_to_37_0 [2024-11-13 14:31:27,797 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure func_to_recursive_line_39_to_46_0 [2024-11-13 14:31:27,797 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-13 14:31:27,797 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-13 14:31:27,803 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2024-11-13 14:31:27,803 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-13 14:31:27,803 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-13 14:31:27,804 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 14:31:27,932 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f5fe8e7-30c8-4ca9-a4e9-2b5181b3cdd6/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 14:31:27,933 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f5fe8e7-30c8-4ca9-a4e9-2b5181b3cdd6/bin/uautomizer-verify-qhAvR1uOyd/witness.yml [2024-11-13 14:31:27,933 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 14:31:27,936 INFO L158 Benchmark]: Toolchain (without parser) took 1218.64ms. Allocated memory is still 142.6MB. Free memory was 119.4MB in the beginning and 81.7MB in the end (delta: 37.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 14:31:27,937 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 142.6MB. Free memory is still 80.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:31:27,940 INFO L158 Benchmark]: CACSL2BoogieTranslator took 311.63ms. Allocated memory is still 142.6MB. Free memory was 119.4MB in the beginning and 108.0MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 14:31:27,940 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.63ms. Allocated memory is still 142.6MB. Free memory was 107.7MB in the beginning and 106.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:31:27,941 INFO L158 Benchmark]: Boogie Preprocessor took 83.56ms. Allocated memory is still 142.6MB. Free memory was 106.5MB in the beginning and 104.7MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:31:27,941 INFO L158 Benchmark]: RCFGBuilder took 579.09ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 89.6MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 14:31:27,941 INFO L158 Benchmark]: TraceAbstraction took 39.14ms. Allocated memory is still 142.6MB. Free memory was 89.1MB in the beginning and 87.0MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 14:31:27,942 INFO L158 Benchmark]: Witness Printer took 147.29ms. Allocated memory is still 142.6MB. Free memory was 87.0MB in the beginning and 81.7MB in the end (delta: 5.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:31:27,946 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47ms. Allocated memory is still 142.6MB. Free memory is still 80.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 311.63ms. Allocated memory is still 142.6MB. Free memory was 119.4MB in the beginning and 108.0MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.63ms. Allocated memory is still 142.6MB. Free memory was 107.7MB in the beginning and 106.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 83.56ms. Allocated memory is still 142.6MB. Free memory was 106.5MB in the beginning and 104.7MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 579.09ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 89.6MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 39.14ms. Allocated memory is still 142.6MB. Free memory was 89.1MB in the beginning and 87.0MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 147.29ms. Allocated memory is still 142.6MB. Free memory was 87.0MB in the beginning and 81.7MB in the end (delta: 5.3MB). There was no memory consumed. 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! [2024-11-13 14:31:27,978 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f5fe8e7-30c8-4ca9-a4e9-2b5181b3cdd6/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE