./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound20.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_2dcc65e0-553d-4d7d-be36-4fb24a358d43/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcc65e0-553d-4d7d-be36-4fb24a358d43/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_2dcc65e0-553d-4d7d-be36-4fb24a358d43/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcc65e0-553d-4d7d-be36-4fb24a358d43/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound20.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcc65e0-553d-4d7d-be36-4fb24a358d43/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_2dcc65e0-553d-4d7d-be36-4fb24a358d43/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 67e1f0759ae3eef1dbaa6f8b0d73161640ce69ba156f9f744d71e8aa9cf95f87 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 03:40:24,970 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 03:40:25,060 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcc65e0-553d-4d7d-be36-4fb24a358d43/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Overflow-32bit-Taipan_Default.epf [2024-11-14 03:40:25,067 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 03:40:25,068 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 03:40:25,113 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 03:40:25,114 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 03:40:25,114 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 03:40:25,115 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 03:40:25,115 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 03:40:25,116 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 03:40:25,116 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 03:40:25,116 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 03:40:25,116 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 03:40:25,116 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 03:40:25,116 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 03:40:25,116 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 03:40:25,116 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 03:40:25,117 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 03:40:25,117 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 03:40:25,117 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 03:40:25,117 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 03:40:25,117 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 03:40:25,119 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 03:40:25,119 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 03:40:25,119 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 03:40:25,119 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 03:40:25,120 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 03:40:25,120 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 03:40:25,120 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 03:40:25,120 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 03:40:25,120 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 03:40:25,120 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-14 03:40:25,120 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-14 03:40:25,121 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 03:40:25,121 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 03:40:25,121 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 03:40:25,121 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 03:40:25,121 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 03:40:25,121 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 03:40:25,121 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:40:25,122 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 03:40:25,122 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 03:40:25,122 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 03:40:25,122 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 03:40:25,122 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 03:40:25,122 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 03:40:25,123 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 03:40:25,123 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 03:40:25,123 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_2dcc65e0-553d-4d7d-be36-4fb24a358d43/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 -> 67e1f0759ae3eef1dbaa6f8b0d73161640ce69ba156f9f744d71e8aa9cf95f87 [2024-11-14 03:40:25,440 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 03:40:25,450 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 03:40:25,453 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 03:40:25,455 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 03:40:25,455 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 03:40:25,456 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcc65e0-553d-4d7d-be36-4fb24a358d43/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound20.i Unable to find full path for "g++" [2024-11-14 03:40:27,729 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 03:40:28,059 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 03:40:28,061 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcc65e0-553d-4d7d-be36-4fb24a358d43/sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound20.i [2024-11-14 03:40:28,073 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcc65e0-553d-4d7d-be36-4fb24a358d43/bin/utaipan-verify-sOmjnqqW8E/data/1829918e2/e60f26ddc6d343ff998892779dd8af20/FLAG1490659a4 [2024-11-14 03:40:28,098 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcc65e0-553d-4d7d-be36-4fb24a358d43/bin/utaipan-verify-sOmjnqqW8E/data/1829918e2/e60f26ddc6d343ff998892779dd8af20 [2024-11-14 03:40:28,101 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 03:40:28,104 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 03:40:28,106 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 03:40:28,106 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 03:40:28,111 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 03:40:28,112 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:40:28" (1/1) ... [2024-11-14 03:40:28,113 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 14.11 03:40:28, skipping insertion in model container [2024-11-14 03:40:28,115 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:40:28" (1/1) ... [2024-11-14 03:40:28,131 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 03:40:28,296 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:40:28,306 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 03:40:28,322 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:40:28,336 INFO L204 MainTranslator]: Completed translation [2024-11-14 03:40:28,337 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:40:28 WrapperNode [2024-11-14 03:40:28,337 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 03:40:28,339 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 03:40:28,339 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 03:40:28,339 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 03:40:28,346 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:40:28" (1/1) ... [2024-11-14 03:40:28,353 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:40:28" (1/1) ... [2024-11-14 03:40:28,373 INFO L138 Inliner]: procedures = 16, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 53 [2024-11-14 03:40:28,375 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 03:40:28,376 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 03:40:28,376 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 03:40:28,377 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 03:40:28,385 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:40:28" (1/1) ... [2024-11-14 03:40:28,385 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:40:28" (1/1) ... [2024-11-14 03:40:28,388 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:40:28" (1/1) ... [2024-11-14 03:40:28,389 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:40:28" (1/1) ... [2024-11-14 03:40:28,392 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:40:28" (1/1) ... [2024-11-14 03:40:28,400 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:40:28" (1/1) ... [2024-11-14 03:40:28,404 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:40:28" (1/1) ... [2024-11-14 03:40:28,405 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:40:28" (1/1) ... [2024-11-14 03:40:28,411 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 03:40:28,412 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 03:40:28,412 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 03:40:28,412 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 03:40:28,413 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:40:28" (1/1) ... [2024-11-14 03:40:28,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:40:28,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcc65e0-553d-4d7d-be36-4fb24a358d43/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:40:28,472 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcc65e0-553d-4d7d-be36-4fb24a358d43/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 03:40:28,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcc65e0-553d-4d7d-be36-4fb24a358d43/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 03:40:28,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 03:40:28,527 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 03:40:28,527 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 03:40:28,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 03:40:28,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 03:40:28,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 03:40:28,528 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-14 03:40:28,528 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-14 03:40:28,610 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 03:40:28,612 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 03:40:28,770 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-14 03:40:28,771 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 03:40:28,821 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 03:40:28,821 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-14 03:40:28,822 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:40:28 BoogieIcfgContainer [2024-11-14 03:40:28,822 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 03:40:28,824 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 03:40:28,824 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 03:40:28,830 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 03:40:28,830 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 03:40:28" (1/3) ... [2024-11-14 03:40:28,831 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c4a5c68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:40:28, skipping insertion in model container [2024-11-14 03:40:28,831 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:40:28" (2/3) ... [2024-11-14 03:40:28,831 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c4a5c68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:40:28, skipping insertion in model container [2024-11-14 03:40:28,831 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:40:28" (3/3) ... [2024-11-14 03:40:28,832 INFO L112 eAbstractionObserver]: Analyzing ICFG divbin_valuebound20.i [2024-11-14 03:40:28,849 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 03:40:28,851 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG divbin_valuebound20.i that has 3 procedures, 19 locations, 1 initial locations, 2 loop locations, and 0 error locations. [2024-11-14 03:40:28,852 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c4a5c68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 03:40:28, skipping insertion in model container [2024-11-14 03:40:28,853 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 03:40:28,853 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 03:40:28,853 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 03:40:28,854 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 03:40:28,854 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:40:28" (3/3) ... [2024-11-14 03:40:28,857 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-14 03:40:28,861 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-14 03:40:28,861 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-14 03:40:28,865 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2024-11-14 03:40:28,865 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-14 03:40:28,865 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-14 03:40:28,866 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-14 03:40:28,944 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcc65e0-553d-4d7d-be36-4fb24a358d43/bin/utaipan-verify-sOmjnqqW8E/witness.graphml [2024-11-14 03:40:28,945 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcc65e0-553d-4d7d-be36-4fb24a358d43/bin/utaipan-verify-sOmjnqqW8E/witness.yml [2024-11-14 03:40:28,945 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 03:40:28,947 INFO L158 Benchmark]: Toolchain (without parser) took 842.31ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 60.2MB in the end (delta: 32.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-14 03:40:28,947 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 117.4MB. Free memory is still 74.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:40:28,947 INFO L158 Benchmark]: CACSL2BoogieTranslator took 232.23ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 81.8MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 03:40:28,948 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.73ms. Allocated memory is still 117.4MB. Free memory was 81.8MB in the beginning and 80.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:40:28,948 INFO L158 Benchmark]: Boogie Preprocessor took 35.01ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 79.9MB in the end (delta: 700.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:40:28,948 INFO L158 Benchmark]: RCFGBuilder took 410.18ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 67.3MB in the end (delta: 12.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 03:40:28,949 INFO L158 Benchmark]: TraceAbstraction took 28.59ms. Allocated memory is still 117.4MB. Free memory was 66.8MB in the beginning and 64.7MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:40:28,949 INFO L158 Benchmark]: Witness Printer took 91.68ms. Allocated memory is still 117.4MB. Free memory was 64.7MB in the beginning and 60.2MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 03:40:28,952 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 117.4MB. Free memory is still 74.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 232.23ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 81.8MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.73ms. Allocated memory is still 117.4MB. Free memory was 81.8MB in the beginning and 80.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 35.01ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 79.9MB in the end (delta: 700.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 410.18ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 67.3MB in the end (delta: 12.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 28.59ms. Allocated memory is still 117.4MB. Free memory was 66.8MB in the beginning and 64.7MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 91.68ms. Allocated memory is still 117.4MB. Free memory was 64.7MB in the beginning and 60.2MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. 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 03:40:28,980 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcc65e0-553d-4d7d-be36-4fb24a358d43/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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