./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-81.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dba1edd-04e8-4220-9d5b-4e02fdf1e641/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dba1edd-04e8-4220-9d5b-4e02fdf1e641/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_9dba1edd-04e8-4220-9d5b-4e02fdf1e641/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dba1edd-04e8-4220-9d5b-4e02fdf1e641/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-81.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dba1edd-04e8-4220-9d5b-4e02fdf1e641/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dba1edd-04e8-4220-9d5b-4e02fdf1e641/bin/utaipan-verify-sOmjnqqW8E --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 139d16f6f2adc0a53ed334bc0ef4cd475497ad47ce08b4367552becb4de333c7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:38:31,948 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:38:32,029 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dba1edd-04e8-4220-9d5b-4e02fdf1e641/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-13 23:38:32,034 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:38:32,034 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 23:38:32,057 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:38:32,057 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 23:38:32,057 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 23:38:32,058 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:38:32,058 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 23:38:32,058 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-13 23:38:32,058 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-13 23:38:32,058 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-13 23:38:32,058 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-13 23:38:32,059 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-13 23:38:32,059 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-13 23:38:32,059 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-13 23:38:32,059 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-13 23:38:32,059 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-13 23:38:32,059 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-13 23:38:32,059 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-13 23:38:32,059 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-13 23:38:32,060 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:38:32,060 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:38:32,060 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:38:32,060 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:38:32,060 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:38:32,060 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:38:32,060 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:38:32,061 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:38:32,061 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:38:32,061 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:38:32,061 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:38:32,061 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:38:32,061 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:38:32,061 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:38:32,061 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 23:38:32,061 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 23:38:32,062 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 23:38:32,062 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:38:32,062 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:38:32,062 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:38:32,062 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-13 23:38:32,062 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:38:32,062 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 23:38:32,062 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-13 23:38:32,062 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 23:38:32,062 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_9dba1edd-04e8-4220-9d5b-4e02fdf1e641/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 ! call(reach_error())) ) 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 -> 139d16f6f2adc0a53ed334bc0ef4cd475497ad47ce08b4367552becb4de333c7 [2024-11-13 23:38:32,341 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:38:32,354 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:38:32,359 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:38:32,360 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:38:32,362 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:38:32,363 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dba1edd-04e8-4220-9d5b-4e02fdf1e641/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-81.i Unable to find full path for "g++" [2024-11-13 23:38:34,186 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:38:34,504 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:38:34,505 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dba1edd-04e8-4220-9d5b-4e02fdf1e641/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-81.i [2024-11-13 23:38:34,514 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dba1edd-04e8-4220-9d5b-4e02fdf1e641/bin/utaipan-verify-sOmjnqqW8E/data/110d71969/225d0f67cbc542a79cbb6c76db930d57/FLAGfb00c79a0 [2024-11-13 23:38:34,530 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dba1edd-04e8-4220-9d5b-4e02fdf1e641/bin/utaipan-verify-sOmjnqqW8E/data/110d71969/225d0f67cbc542a79cbb6c76db930d57 [2024-11-13 23:38:34,532 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:38:34,534 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:38:34,535 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:38:34,535 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:38:34,540 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:38:34,541 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:38:34" (1/1) ... [2024-11-13 23:38:34,542 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32bb7d75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:38:34, skipping insertion in model container [2024-11-13 23:38:34,543 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:38:34" (1/1) ... [2024-11-13 23:38:34,563 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:38:34,748 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dba1edd-04e8-4220-9d5b-4e02fdf1e641/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-81.i[913,926] [2024-11-13 23:38:34,827 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:38:34,839 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:38:34,849 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dba1edd-04e8-4220-9d5b-4e02fdf1e641/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-81.i[913,926] [2024-11-13 23:38:34,882 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:38:34,902 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:38:34,902 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:38:34 WrapperNode [2024-11-13 23:38:34,902 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:38:34,903 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:38:34,904 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:38:34,904 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:38:34,910 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:38:34" (1/1) ... [2024-11-13 23:38:34,920 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:38:34" (1/1) ... [2024-11-13 23:38:34,994 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 178 [2024-11-13 23:38:34,995 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:38:34,995 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:38:34,995 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:38:34,995 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:38:35,005 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:38:34" (1/1) ... [2024-11-13 23:38:35,005 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:38:34" (1/1) ... [2024-11-13 23:38:35,010 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:38:34" (1/1) ... [2024-11-13 23:38:35,010 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:38:34" (1/1) ... [2024-11-13 23:38:35,031 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:38:34" (1/1) ... [2024-11-13 23:38:35,039 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:38:34" (1/1) ... [2024-11-13 23:38:35,046 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:38:34" (1/1) ... [2024-11-13 23:38:35,052 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:38:34" (1/1) ... [2024-11-13 23:38:35,056 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:38:35,060 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:38:35,060 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:38:35,061 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:38:35,062 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:38:34" (1/1) ... [2024-11-13 23:38:35,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 23:38:35,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dba1edd-04e8-4220-9d5b-4e02fdf1e641/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:38:35,108 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dba1edd-04e8-4220-9d5b-4e02fdf1e641/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-13 23:38:35,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dba1edd-04e8-4220-9d5b-4e02fdf1e641/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-13 23:38:35,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:38:35,139 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 23:38:35,139 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 23:38:35,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 23:38:35,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:38:35,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:38:35,264 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:38:35,266 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:38:35,920 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-13 23:38:35,920 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:38:36,309 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:38:36,311 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 23:38:36,311 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:38:36 BoogieIcfgContainer [2024-11-13 23:38:36,312 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:38:36,315 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 23:38:36,315 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 23:38:36,322 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 23:38:36,323 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 11:38:34" (1/3) ... [2024-11-13 23:38:36,324 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2df9f69c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 11:38:36, skipping insertion in model container [2024-11-13 23:38:36,324 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:38:34" (2/3) ... [2024-11-13 23:38:36,325 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2df9f69c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 11:38:36, skipping insertion in model container [2024-11-13 23:38:36,325 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:38:36" (3/3) ... [2024-11-13 23:38:36,328 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_normal_file-81.i [2024-11-13 23:38:36,353 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 23:38:36,357 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodesize_normal_file-81.i that has 2 procedures, 48 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 23:38:36,439 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 23:38:36,459 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7b4e479b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 23:38:36,460 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 23:38:36,464 INFO L276 IsEmpty]: Start isEmpty. Operand has 48 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-13 23:38:36,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-13 23:38:36,475 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:38:36,475 INFO L215 NwaCegarLoop]: trace histogram [26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:38:36,476 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 23:38:36,481 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:38:36,482 INFO L85 PathProgramCache]: Analyzing trace with hash 943294642, now seen corresponding path program 1 times [2024-11-13 23:38:36,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:38:36,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488159488] [2024-11-13 23:38:36,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:38:36,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:38:37,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:44,748 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 14 proven. 74 refuted. 0 times theorem prover too weak. 562 trivial. 0 not checked. [2024-11-13 23:38:44,749 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:38:44,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488159488] [2024-11-13 23:38:44,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [488159488] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 23:38:44,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1619070015] [2024-11-13 23:38:44,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:38:44,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:38:44,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dba1edd-04e8-4220-9d5b-4e02fdf1e641/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:38:44,756 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dba1edd-04e8-4220-9d5b-4e02fdf1e641/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 23:38:44,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dba1edd-04e8-4220-9d5b-4e02fdf1e641/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 23:38:45,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:38:45,390 INFO L255 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-13 23:38:45,413 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:43:44,362 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 327 proven. 92 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-11-13 23:43:44,362 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 23:44:35,556 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 8 proven. 17 refuted. 0 times theorem prover too weak. 625 trivial. 0 not checked. [2024-11-13 23:44:35,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1619070015] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 23:44:35,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [867343590] [2024-11-13 23:44:35,577 INFO L159 IcfgInterpreter]: Started Sifa with 46 locations of interest [2024-11-13 23:44:35,577 INFO L166 IcfgInterpreter]: Building call graph [2024-11-13 23:44:35,580 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-13 23:44:35,585 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-13 23:44:35,586 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-13 23:47:52,576 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 62 for LOIs [2024-11-13 23:47:52,586 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-13 23:48:06,264 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '638#(and (<= 0 ~var_1_22~0) (<= 1 |#StackHeapBarrier|) (<= ~var_1_18~0 126) (<= 0 ~var_1_21~0) (<= ~var_1_22~0 63) (<= ~var_1_20~0 126) (= 32 ~last_1_var_1_17~0) (<= 0 (+ ~var_1_18~0 1)) (= 31 ~var_1_16~0) (= 10 ~last_1_var_1_7~0) (<= ~var_1_21~0 63) (= ~isInitial~0 1) (= 5 ~last_1_var_1_1~0) (<= 0 (+ ~var_1_20~0 1)) (<= 0 ~var_1_19~0) (<= ~var_1_19~0 126) (= ~last_1_var_1_11~0 4))' at error location [2024-11-13 23:48:06,265 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-13 23:48:06,265 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 23:48:06,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 11, 6] total 21 [2024-11-13 23:48:06,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129539103] [2024-11-13 23:48:06,267 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 23:48:06,272 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-13 23:48:06,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:48:06,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-13 23:48:06,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=896, Invalid=2764, Unknown=0, NotChecked=0, Total=3660 [2024-11-13 23:48:06,305 INFO L87 Difference]: Start difference. First operand has 48 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 21 states, 15 states have (on average 3.8) internal successors, (57), 21 states have internal predecessors, (57), 11 states have call successors, (77), 5 states have call predecessors, (77), 10 states have return successors, (78), 10 states have call predecessors, (78), 11 states have call successors, (78) [2024-11-13 23:48:08,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:48:08,937 INFO L93 Difference]: Finished difference Result 161 states and 232 transitions. [2024-11-13 23:48:08,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-13 23:48:08,939 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 15 states have (on average 3.8) internal successors, (57), 21 states have internal predecessors, (57), 11 states have call successors, (77), 5 states have call predecessors, (77), 10 states have return successors, (78), 10 states have call predecessors, (78), 11 states have call successors, (78) Word has length 95 [2024-11-13 23:48:08,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:48:08,943 INFO L225 Difference]: With dead ends: 161 [2024-11-13 23:48:08,943 INFO L226 Difference]: Without dead ends: 0 [2024-11-13 23:48:08,950 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 318 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2184 ImplicationChecksByTransitivity, 15.9s TimeCoverageRelationStatistics Valid=1450, Invalid=4870, Unknown=0, NotChecked=0, Total=6320 [2024-11-13 23:48:08,953 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 74 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 575 mSolverCounterSat, 162 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 276 SdHoareTripleChecker+Invalid, 737 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 162 IncrementalHoareTripleChecker+Valid, 575 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-13 23:48:08,953 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 276 Invalid, 737 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [162 Valid, 575 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-13 23:48:08,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-13 23:48:08,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-13 23:48:08,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 23:48:08,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-13 23:48:08,978 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 95 [2024-11-13 23:48:08,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:48:08,978 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 23:48:08,979 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 15 states have (on average 3.8) internal successors, (57), 21 states have internal predecessors, (57), 11 states have call successors, (77), 5 states have call predecessors, (77), 10 states have return successors, (78), 10 states have call predecessors, (78), 11 states have call successors, (78) [2024-11-13 23:48:08,979 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-13 23:48:08,979 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 23:48:08,982 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-13 23:48:09,000 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dba1edd-04e8-4220-9d5b-4e02fdf1e641/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 23:48:09,182 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dba1edd-04e8-4220-9d5b-4e02fdf1e641/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-13 23:48:09,185 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-13 23:48:09,187 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-13 23:48:11,034 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 23:48:11,055 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 11:48:11 BoogieIcfgContainer [2024-11-13 23:48:11,055 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 23:48:11,056 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:48:11,056 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:48:11,056 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:48:11,057 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:38:36" (3/4) ... [2024-11-13 23:48:11,059 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 23:48:11,063 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-13 23:48:11,068 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 35 nodes and edges [2024-11-13 23:48:11,069 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-11-13 23:48:11,069 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-13 23:48:11,069 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 23:48:11,163 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dba1edd-04e8-4220-9d5b-4e02fdf1e641/bin/utaipan-verify-sOmjnqqW8E/witness.graphml [2024-11-13 23:48:11,164 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dba1edd-04e8-4220-9d5b-4e02fdf1e641/bin/utaipan-verify-sOmjnqqW8E/witness.yml [2024-11-13 23:48:11,164 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:48:11,165 INFO L158 Benchmark]: Toolchain (without parser) took 576631.49ms. Allocated memory was 117.4MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 93.7MB in the beginning and 506.8MB in the end (delta: -413.1MB). Peak memory consumption was 772.6MB. Max. memory is 16.1GB. [2024-11-13 23:48:11,165 INFO L158 Benchmark]: CDTParser took 1.51ms. Allocated memory is still 167.8MB. Free memory is still 104.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:48:11,166 INFO L158 Benchmark]: CACSL2BoogieTranslator took 367.65ms. Allocated memory is still 117.4MB. Free memory was 93.3MB in the beginning and 79.1MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 23:48:11,166 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.30ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 75.0MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:48:11,167 INFO L158 Benchmark]: Boogie Preprocessor took 64.22ms. Allocated memory is still 117.4MB. Free memory was 75.0MB in the beginning and 73.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:48:11,167 INFO L158 Benchmark]: RCFGBuilder took 1251.48ms. Allocated memory is still 117.4MB. Free memory was 73.3MB in the beginning and 72.5MB in the end (delta: 768.7kB). Peak memory consumption was 49.3MB. Max. memory is 16.1GB. [2024-11-13 23:48:11,167 INFO L158 Benchmark]: TraceAbstraction took 574740.50ms. Allocated memory was 117.4MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 71.9MB in the beginning and 510.9MB in the end (delta: -439.0MB). Peak memory consumption was 750.2MB. Max. memory is 16.1GB. [2024-11-13 23:48:11,168 INFO L158 Benchmark]: Witness Printer took 108.31ms. Allocated memory is still 1.3GB. Free memory was 510.9MB in the beginning and 506.8MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:48:11,170 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.51ms. Allocated memory is still 167.8MB. Free memory is still 104.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 367.65ms. Allocated memory is still 117.4MB. Free memory was 93.3MB in the beginning and 79.1MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.30ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 75.0MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 64.22ms. Allocated memory is still 117.4MB. Free memory was 75.0MB in the beginning and 73.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1251.48ms. Allocated memory is still 117.4MB. Free memory was 73.3MB in the beginning and 72.5MB in the end (delta: 768.7kB). Peak memory consumption was 49.3MB. Max. memory is 16.1GB. * TraceAbstraction took 574740.50ms. Allocated memory was 117.4MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 71.9MB in the beginning and 510.9MB in the end (delta: -439.0MB). Peak memory consumption was 750.2MB. Max. memory is 16.1GB. * Witness Printer took 108.31ms. Allocated memory is still 1.3GB. Free memory was 510.9MB in the beginning and 506.8MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 48 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 572.8s, OverallIterations: 1, TraceHistogramMax: 26, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 75 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 74 mSDsluCounter, 276 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 237 mSDsCounter, 162 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 575 IncrementalHoareTripleChecker+Invalid, 737 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 162 mSolverCounterUnsat, 39 mSDtfsCounter, 575 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 318 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2184 ImplicationChecksByTransitivity, 15.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=48occurred in iteration=0, InterpolantAutomatonStates: 29, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 357.5s InterpolantComputationTime, 190 NumberOfCodeBlocks, 190 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 282 ConstructedInterpolants, 0 QuantifiedInterpolants, 5728 SizeOfPredicates, 44 NumberOfNonLiveVariables, 274 ConjunctsInSsa, 32 ConjunctsInUnsatCore, 3 InterpolantComputations, 0 PerfectInterpolantSequences, 1767/1950 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: ((((var_1_6 <= 127) && (32767 <= var_1_13)) && (127 <= var_1_5)) && (32767 <= var_1_12)) - ProcedureContractResult [Line: 20]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Requires: ((126 < var_1_5) || (((var_1_5 < var_1_12) || ((var_1_12 == var_1_5) && (var_1_12 <= 0))) && ((var_1_6 == 0) || (var_1_6 < var_1_12)))) Ensures: (((cond != 0) && ((126 < var_1_5) || (((var_1_5 < var_1_12) || ((var_1_12 == var_1_5) && (var_1_12 <= 0))) && ((var_1_6 == 0) || (var_1_6 < var_1_12))))) && ((((((((((((((((((((((((((isInitial == \old(isInitial)) && (var_1_1 == \old(var_1_1))) && (var_1_5 == \old(var_1_5))) && (var_1_6 == \old(var_1_6))) && (var_1_7 == \old(var_1_7))) && (var_1_8 == \old(var_1_8))) && (var_1_9 == \old(var_1_9))) && (var_1_10 == \old(var_1_10))) && (var_1_11 == \old(var_1_11))) && (var_1_12 == \old(var_1_12))) && (var_1_13 == \old(var_1_13))) && (var_1_14 == \old(var_1_14))) && (var_1_15 == \old(var_1_15))) && (var_1_16 == \old(var_1_16))) && (var_1_17 == \old(var_1_17))) && (var_1_18 == \old(var_1_18))) && (var_1_19 == \old(var_1_19))) && (var_1_20 == \old(var_1_20))) && (var_1_21 == \old(var_1_21))) && (var_1_22 == \old(var_1_22))) && (var_1_23 == \old(var_1_23))) && (var_1_24 == \old(var_1_24))) && (last_1_var_1_1 == \old(last_1_var_1_1))) && (last_1_var_1_7 == \old(last_1_var_1_7))) && (last_1_var_1_11 == \old(last_1_var_1_11))) && (last_1_var_1_17 == \old(last_1_var_1_17)))) RESULT: Ultimate proved your program to be correct! [2024-11-13 23:48:11,385 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dba1edd-04e8-4220-9d5b-4e02fdf1e641/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2024-11-13 23:48:11,436 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dba1edd-04e8-4220-9d5b-4e02fdf1e641/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE