./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursified_loop-invariants/recursified_mod4.c --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_bea26636-43f9-4dda-b291-2fd1ecfe74a2/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea26636-43f9-4dda-b291-2fd1ecfe74a2/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea26636-43f9-4dda-b291-2fd1ecfe74a2/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea26636-43f9-4dda-b291-2fd1ecfe74a2/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/recursified_loop-invariants/recursified_mod4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea26636-43f9-4dda-b291-2fd1ecfe74a2/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea26636-43f9-4dda-b291-2fd1ecfe74a2/bin/utaipan-verify-sOmjnqqW8E --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash efca4d8a6e986e5f79e73668869c8bbb6789644b51c1a840647016ead4ea5608 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:14:51,390 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:14:51,487 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea26636-43f9-4dda-b291-2fd1ecfe74a2/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Overflow-32bit-Taipan_Default.epf [2024-11-14 05:14:51,498 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:14:51,499 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:14:51,551 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:14:51,553 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:14:51,553 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:14:51,554 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:14:51,555 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:14:51,555 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:14:51,555 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:14:51,556 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:14:51,556 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 05:14:51,556 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:14:51,556 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:14:51,557 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 05:14:51,557 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 05:14:51,557 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:14:51,557 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 05:14:51,557 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 05:14:51,557 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 05:14:51,558 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:14:51,558 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:14:51,558 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 05:14:51,558 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 05:14:51,558 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 05:14:51,558 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:14:51,558 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:14:51,558 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:14:51,559 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:14:51,559 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:14:51,559 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-14 05:14:51,559 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-14 05:14:51,559 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 05:14:51,559 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:14:51,559 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:14:51,561 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:14:51,561 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:14:51,561 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:14:51,561 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:14:51,562 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:14:51,562 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:14:51,562 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:14:51,562 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 05:14:51,563 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 05:14:51,563 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:14:51,563 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:14:51,563 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 05:14:51,563 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_bea26636-43f9-4dda-b291-2fd1ecfe74a2/bin/utaipan-verify-sOmjnqqW8E 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 -> Taipan 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 -> efca4d8a6e986e5f79e73668869c8bbb6789644b51c1a840647016ead4ea5608 [2024-11-14 05:14:51,973 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:14:51,985 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:14:51,988 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:14:51,990 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:14:51,991 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:14:51,994 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea26636-43f9-4dda-b291-2fd1ecfe74a2/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/recursified_loop-invariants/recursified_mod4.c Unable to find full path for "g++" [2024-11-14 05:14:54,084 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:14:54,453 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:14:54,454 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea26636-43f9-4dda-b291-2fd1ecfe74a2/sv-benchmarks/c/recursified_loop-invariants/recursified_mod4.c [2024-11-14 05:14:54,464 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea26636-43f9-4dda-b291-2fd1ecfe74a2/bin/utaipan-verify-sOmjnqqW8E/data/6f7b09d77/052fc39145464a8c8ce0327df88b5536/FLAG4c33c84e0 [2024-11-14 05:14:54,694 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea26636-43f9-4dda-b291-2fd1ecfe74a2/bin/utaipan-verify-sOmjnqqW8E/data/6f7b09d77/052fc39145464a8c8ce0327df88b5536 [2024-11-14 05:14:54,697 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:14:54,699 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:14:54,701 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:14:54,702 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:14:54,709 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:14:54,710 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:14:54" (1/1) ... [2024-11-14 05:14:54,715 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fbfaa9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:14:54, skipping insertion in model container [2024-11-14 05:14:54,715 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:14:54" (1/1) ... [2024-11-14 05:14:54,734 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:14:54,950 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:14:54,964 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:14:54,981 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:14:54,998 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:14:54,999 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:14:54 WrapperNode [2024-11-14 05:14:54,999 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:14:55,000 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:14:55,000 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:14:55,003 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:14:55,011 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:14:54" (1/1) ... [2024-11-14 05:14:55,020 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:14:54" (1/1) ... [2024-11-14 05:14:55,044 INFO L138 Inliner]: procedures = 15, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 35 [2024-11-14 05:14:55,045 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:14:55,045 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:14:55,045 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:14:55,045 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:14:55,054 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:14:54" (1/1) ... [2024-11-14 05:14:55,056 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:14:54" (1/1) ... [2024-11-14 05:14:55,058 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:14:54" (1/1) ... [2024-11-14 05:14:55,063 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:14:54" (1/1) ... [2024-11-14 05:14:55,067 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:14:54" (1/1) ... [2024-11-14 05:14:55,073 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:14:54" (1/1) ... [2024-11-14 05:14:55,077 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:14:54" (1/1) ... [2024-11-14 05:14:55,078 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:14:54" (1/1) ... [2024-11-14 05:14:55,080 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:14:55,083 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:14:55,083 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:14:55,083 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:14:55,086 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:14:54" (1/1) ... [2024-11-14 05:14:55,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:14:55,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea26636-43f9-4dda-b291-2fd1ecfe74a2/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:14:55,133 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea26636-43f9-4dda-b291-2fd1ecfe74a2/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:14:55,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea26636-43f9-4dda-b291-2fd1ecfe74a2/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:14:55,176 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:14:55,176 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_13_to_14_0 [2024-11-14 05:14:55,176 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_13_to_14_0 [2024-11-14 05:14:55,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 05:14:55,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-14 05:14:55,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-14 05:14:55,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:14:55,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:14:55,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-14 05:14:55,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-14 05:14:55,284 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:14:55,287 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:14:55,462 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-14 05:14:55,462 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:14:55,540 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:14:55,540 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-14 05:14:55,541 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:14:55 BoogieIcfgContainer [2024-11-14 05:14:55,541 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:14:55,547 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:14:55,547 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:14:55,552 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:14:55,553 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:14:54" (1/3) ... [2024-11-14 05:14:55,554 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30392ac3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:14:55, skipping insertion in model container [2024-11-14 05:14:55,555 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:14:54" (2/3) ... [2024-11-14 05:14:55,555 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30392ac3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:14:55, skipping insertion in model container [2024-11-14 05:14:55,555 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:14:55" (3/3) ... [2024-11-14 05:14:55,557 INFO L112 eAbstractionObserver]: Analyzing ICFG recursified_mod4.c [2024-11-14 05:14:55,582 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:14:55,585 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG recursified_mod4.c that has 2 procedures, 9 locations, 1 initial locations, 0 loop locations, and 0 error locations. [2024-11-14 05:14:55,587 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30392ac3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 05:14:55, skipping insertion in model container [2024-11-14 05:14:55,589 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 05:14:55,590 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 05:14:55,590 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 05:14:55,591 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 05:14:55,591 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:14:55" (3/3) ... [2024-11-14 05:14:55,596 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-14 05:14:55,601 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure func_to_recursive_line_13_to_14_0 [2024-11-14 05:14:55,606 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2024-11-14 05:14:55,607 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-11-14 05:14:55,608 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-14 05:14:55,608 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-14 05:14:55,608 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-14 05:14:55,714 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea26636-43f9-4dda-b291-2fd1ecfe74a2/bin/utaipan-verify-sOmjnqqW8E/witness.graphml [2024-11-14 05:14:55,715 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea26636-43f9-4dda-b291-2fd1ecfe74a2/bin/utaipan-verify-sOmjnqqW8E/witness.yml [2024-11-14 05:14:55,715 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 05:14:55,717 INFO L158 Benchmark]: Toolchain (without parser) took 1018.01ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 74.0MB in the end (delta: 30.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-14 05:14:55,723 INFO L158 Benchmark]: CDTParser took 0.58ms. Allocated memory is still 167.8MB. Free memory is still 104.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:14:55,724 INFO L158 Benchmark]: CACSL2BoogieTranslator took 298.35ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 94.4MB in the end (delta: 10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 05:14:55,724 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.44ms. Allocated memory is still 142.6MB. Free memory was 94.4MB in the beginning and 93.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:14:55,728 INFO L158 Benchmark]: Boogie Preprocessor took 36.91ms. Allocated memory is still 142.6MB. Free memory was 93.3MB in the beginning and 92.7MB in the end (delta: 661.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:14:55,728 INFO L158 Benchmark]: RCFGBuilder took 458.08ms. Allocated memory is still 142.6MB. Free memory was 92.4MB in the beginning and 81.2MB in the end (delta: 11.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 05:14:55,729 INFO L158 Benchmark]: TraceAbstraction took 42.61ms. Allocated memory is still 142.6MB. Free memory was 80.6MB in the beginning and 78.3MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:14:55,729 INFO L158 Benchmark]: Witness Printer took 124.97ms. Allocated memory is still 142.6MB. Free memory was 78.3MB in the beginning and 74.0MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:14:55,734 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.58ms. Allocated memory is still 167.8MB. Free memory is still 104.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 298.35ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 94.4MB in the end (delta: 10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.44ms. Allocated memory is still 142.6MB. Free memory was 94.4MB in the beginning and 93.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 36.91ms. Allocated memory is still 142.6MB. Free memory was 93.3MB in the beginning and 92.7MB in the end (delta: 661.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 458.08ms. Allocated memory is still 142.6MB. Free memory was 92.4MB in the beginning and 81.2MB in the end (delta: 11.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 42.61ms. Allocated memory is still 142.6MB. Free memory was 80.6MB in the beginning and 78.3MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 124.97ms. Allocated memory is still 142.6MB. Free memory was 78.3MB in the beginning and 74.0MB in the end (delta: 4.3MB). 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! [2024-11-14 05:14:55,772 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bea26636-43f9-4dda-b291-2fd1ecfe74a2/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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