./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursified_nla-digbench/recursified_geo1-u2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eddc55f-4f54-44c6-9db0-ebd237d7433d/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eddc55f-4f54-44c6-9db0-ebd237d7433d/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eddc55f-4f54-44c6-9db0-ebd237d7433d/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eddc55f-4f54-44c6-9db0-ebd237d7433d/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_geo1-u2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eddc55f-4f54-44c6-9db0-ebd237d7433d/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eddc55f-4f54-44c6-9db0-ebd237d7433d/bin/utaipan-verify-YMUCfTKeje --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 c67c252daff5c7ee06d488793b0dcb7582651cc84d24dd97a82d484d18291433 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 04:54:55,053 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 04:54:55,167 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eddc55f-4f54-44c6-9db0-ebd237d7433d/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-32bit-Taipan_Default.epf [2024-11-09 04:54:55,174 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 04:54:55,177 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 04:54:55,219 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 04:54:55,219 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 04:54:55,220 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 04:54:55,221 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 04:54:55,221 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 04:54:55,222 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 04:54:55,223 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 04:54:55,223 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 04:54:55,225 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 04:54:55,227 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 04:54:55,228 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 04:54:55,228 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 04:54:55,229 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 04:54:55,229 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 04:54:55,229 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 04:54:55,230 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 04:54:55,234 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 04:54:55,235 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 04:54:55,235 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 04:54:55,235 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 04:54:55,236 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 04:54:55,236 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 04:54:55,236 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 04:54:55,237 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 04:54:55,237 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 04:54:55,237 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 04:54:55,240 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 04:54:55,240 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 04:54:55,241 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 04:54:55,242 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 04:54:55,242 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 04:54:55,243 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 04:54:55,243 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 04:54:55,244 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 04:54:55,244 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 04:54:55,244 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:54:55,245 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 04:54:55,245 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 04:54:55,245 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 04:54:55,246 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 04:54:55,246 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 04:54:55,247 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 04:54:55,247 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 04:54:55,247 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 04:54:55,248 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eddc55f-4f54-44c6-9db0-ebd237d7433d/bin/utaipan-verify-YMUCfTKeje/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eddc55f-4f54-44c6-9db0-ebd237d7433d/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c67c252daff5c7ee06d488793b0dcb7582651cc84d24dd97a82d484d18291433 [2024-11-09 04:54:55,596 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 04:54:55,638 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 04:54:55,642 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 04:54:55,643 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 04:54:55,644 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 04:54:55,646 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eddc55f-4f54-44c6-9db0-ebd237d7433d/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/recursified_nla-digbench/recursified_geo1-u2.c Unable to find full path for "g++" [2024-11-09 04:54:57,977 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 04:54:58,236 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 04:54:58,238 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eddc55f-4f54-44c6-9db0-ebd237d7433d/sv-benchmarks/c/recursified_nla-digbench/recursified_geo1-u2.c [2024-11-09 04:54:58,248 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eddc55f-4f54-44c6-9db0-ebd237d7433d/bin/utaipan-verify-YMUCfTKeje/data/e9db97f88/b2f1834cf89f47a397ed343f16e98705/FLAGf4299e928 [2024-11-09 04:54:58,265 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eddc55f-4f54-44c6-9db0-ebd237d7433d/bin/utaipan-verify-YMUCfTKeje/data/e9db97f88/b2f1834cf89f47a397ed343f16e98705 [2024-11-09 04:54:58,269 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 04:54:58,271 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 04:54:58,272 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 04:54:58,273 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 04:54:58,281 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 04:54:58,283 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:54:58" (1/1) ... [2024-11-09 04:54:58,284 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@328029cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:54:58, skipping insertion in model container [2024-11-09 04:54:58,287 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:54:58" (1/1) ... [2024-11-09 04:54:58,325 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 04:54:58,589 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:54:58,604 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 04:54:58,636 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:54:58,661 INFO L204 MainTranslator]: Completed translation [2024-11-09 04:54:58,662 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:54:58 WrapperNode [2024-11-09 04:54:58,662 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 04:54:58,664 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 04:54:58,664 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 04:54:58,664 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 04:54:58,675 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:54:58" (1/1) ... [2024-11-09 04:54:58,690 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:54:58" (1/1) ... [2024-11-09 04:54:58,733 INFO L138 Inliner]: procedures = 16, calls = 52, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 70 [2024-11-09 04:54:58,736 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 04:54:58,737 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 04:54:58,738 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 04:54:58,738 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 04:54:58,750 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:54:58" (1/1) ... [2024-11-09 04:54:58,751 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:54:58" (1/1) ... [2024-11-09 04:54:58,754 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:54:58" (1/1) ... [2024-11-09 04:54:58,754 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:54:58" (1/1) ... [2024-11-09 04:54:58,760 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:54:58" (1/1) ... [2024-11-09 04:54:58,763 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:54:58" (1/1) ... [2024-11-09 04:54:58,764 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:54:58" (1/1) ... [2024-11-09 04:54:58,766 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:54:58" (1/1) ... [2024-11-09 04:54:58,769 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 04:54:58,770 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 04:54:58,770 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 04:54:58,770 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 04:54:58,771 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:54:58" (1/1) ... [2024-11-09 04:54:58,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:54:58,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eddc55f-4f54-44c6-9db0-ebd237d7433d/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:54:58,816 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eddc55f-4f54-44c6-9db0-ebd237d7433d/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 04:54:58,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eddc55f-4f54-44c6-9db0-ebd237d7433d/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 04:54:58,856 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_28_to_36_0 [2024-11-09 04:54:58,856 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_28_to_36_0 [2024-11-09 04:54:58,856 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 04:54:58,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 04:54:58,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 04:54:58,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 04:54:58,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 04:54:58,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 04:54:58,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 04:54:58,860 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 04:54:58,860 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 04:54:58,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 04:54:58,970 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 04:54:58,972 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 04:54:59,447 INFO L? ?]: Removed 57 outVars from TransFormulas that were not future-live. [2024-11-09 04:54:59,447 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 04:54:59,516 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 04:54:59,520 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 04:54:59,521 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:54:59 BoogieIcfgContainer [2024-11-09 04:54:59,524 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 04:54:59,529 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 04:54:59,530 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 04:54:59,535 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 04:54:59,535 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 04:54:58" (1/3) ... [2024-11-09 04:54:59,537 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f61b783 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:54:59, skipping insertion in model container [2024-11-09 04:54:59,538 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:54:58" (2/3) ... [2024-11-09 04:54:59,539 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f61b783 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:54:59, skipping insertion in model container [2024-11-09 04:54:59,540 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:54:59" (3/3) ... [2024-11-09 04:54:59,542 INFO L112 eAbstractionObserver]: Analyzing ICFG recursified_geo1-u2.c [2024-11-09 04:54:59,562 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 04:54:59,562 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2024-11-09 04:54:59,662 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 04:54:59,670 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;@7f3b772b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 04:54:59,670 INFO L334 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2024-11-09 04:54:59,695 INFO L276 IsEmpty]: Start isEmpty. Operand has 60 states, 31 states have (on average 1.7741935483870968) internal successors, (55), 54 states have internal predecessors, (55), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 04:54:59,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-09 04:54:59,703 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:54:59,704 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-09 04:54:59,705 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting func_to_recursive_line_28_to_36_0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [func_to_recursive_line_28_to_36_0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, func_to_recursive_line_28_to_36_0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 20 more)] === [2024-11-09 04:54:59,712 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:54:59,712 INFO L85 PathProgramCache]: Analyzing trace with hash 113354852, now seen corresponding path program 1 times [2024-11-09 04:54:59,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:54:59,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420400116] [2024-11-09 04:54:59,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:54:59,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:54:59,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 04:54:59,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [272399318] [2024-11-09 04:54:59,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:54:59,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:54:59,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eddc55f-4f54-44c6-9db0-ebd237d7433d/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:54:59,960 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eddc55f-4f54-44c6-9db0-ebd237d7433d/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 04:54:59,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eddc55f-4f54-44c6-9db0-ebd237d7433d/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 04:55:00,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:55:00,123 INFO L255 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-09 04:55:00,132 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:55:00,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 04:55:15,653 WARN L286 SmtUtils]: Spent 15.24s on a formula simplification. DAG size of input: 303 DAG size of output: 120 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2024-11-09 04:55:15,654 INFO L349 Elim1Store]: treesize reduction 2749, result has 13.3 percent of original size [2024-11-09 04:55:15,656 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 14 new quantified variables, introduced 47 case distinctions, treesize of input 5150 treesize of output 2822 [2024-11-09 04:55:17,976 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 510 treesize of output 494 [2024-11-09 04:55:18,785 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-09 04:55:19,242 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 33 [2024-11-09 04:55:19,713 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 33 [2024-11-09 04:55:22,715 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 33 [2024-11-09 04:55:23,522 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 33 [2024-11-09 04:55:24,349 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 33 [2024-11-09 04:55:25,024 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 33 [2024-11-09 04:55:25,415 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 33 [2024-11-09 04:55:56,311 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 04:55:56,312 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 04:55:56,937 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 04:55:56,991 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 04:55:57,037 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 04:55:57,165 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 04:55:57,220 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 04:55:57,298 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 04:55:57,364 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 04:55:57,416 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 04:55:57,469 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 04:55:57,564 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 04:55:57,601 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 04:55:57,638 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 04:55:57,639 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 04:55:57,640 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 04:55:57,881 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 04:55:57,882 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 04:55:58,154 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 04:55:58,155 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 04:55:58,308 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 04:55:58,309 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 04:55:58,310 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 04:55:58,311 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 04:55:58,335 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 04:55:58,634 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 04:55:58,635 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 04:55:58,687 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 04:55:58,688 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 04:55:58,688 INFO L224 Elim1Store]: Index analysis took 2400 ms [2024-11-09 04:55:58,787 INFO L349 Elim1Store]: treesize reduction 117, result has 0.8 percent of original size [2024-11-09 04:55:58,790 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 8 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 33 case distinctions, treesize of input 40613 treesize of output 41585 [2024-11-09 04:56:14,509 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 04:56:14,510 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 04:56:15,499 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 04:56:15,586 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 04:56:15,663 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 04:56:15,881 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 04:56:15,982 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 04:56:16,069 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 04:56:16,169 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 04:56:16,237 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 04:56:16,302 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 04:56:16,470 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 04:56:16,539 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 04:56:16,600 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 04:56:16,601 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 04:56:16,602 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 04:56:17,091 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 04:56:17,092 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 04:56:17,482 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 04:56:17,483 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 04:56:17,709 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 04:56:17,710 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 04:56:17,711 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 04:56:17,712 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 04:56:17,758 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 04:56:18,198 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 04:56:18,199 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 04:56:18,277 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 04:56:18,278 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 04:56:18,279 INFO L224 Elim1Store]: Index analysis took 3793 ms [2024-11-09 04:56:18,370 INFO L349 Elim1Store]: treesize reduction 117, result has 0.8 percent of original size [2024-11-09 04:56:18,371 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 8 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 33 case distinctions, treesize of input 40610 treesize of output 41582 [2024-11-09 04:56:29,809 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 04:56:31,416 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 04:56:31,483 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 04:56:31,549 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 04:56:31,715 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 04:56:31,787 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 04:56:31,853 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 04:56:31,920 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 04:56:31,970 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 04:56:32,018 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 04:56:32,158 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 04:56:32,211 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 04:56:32,262 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 04:56:32,263 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 04:56:33,137 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 04:56:33,737 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 04:56:34,216 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 04:56:34,266 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 04:56:34,821 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 04:56:35,119 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 04:56:35,209 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 04:56:35,209 INFO L224 Elim1Store]: Index analysis took 5555 ms [2024-11-09 04:56:38,480 INFO L349 Elim1Store]: treesize reduction 519, result has 6.0 percent of original size [2024-11-09 04:56:38,483 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 8 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 48 case distinctions, treesize of input 40628 treesize of output 41632 [2024-11-09 04:57:52,047 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 04:57:52,122 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 04:57:52,196 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 04:57:52,366 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 04:57:52,439 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 04:57:52,512 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 04:57:52,615 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 04:57:52,697 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 04:57:52,769 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 04:57:52,918 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 04:57:52,977 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 04:57:53,032 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 04:57:56,218 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 04:57:58,372 INFO L224 Elim1Store]: Index analysis took 9052 ms [2024-11-09 04:58:19,577 WARN L286 SmtUtils]: Spent 21.19s on a formula simplification. DAG size of input: 227 DAG size of output: 43 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2024-11-09 04:58:19,578 INFO L349 Elim1Store]: treesize reduction 1150, result has 5.3 percent of original size [2024-11-09 04:58:19,581 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 8 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 58 case distinctions, treesize of input 40631 treesize of output 41667 [2024-11-09 05:03:34,241 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:03:34,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420400116] [2024-11-09 05:03:34,242 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 05:03:34,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [272399318] [2024-11-09 05:03:34,242 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: critical constraint is false [2024-11-09 05:03:34,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [615518425] [2024-11-09 05:03:34,267 INFO L159 IcfgInterpreter]: Started Sifa with 6 locations of interest [2024-11-09 05:03:34,267 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:03:34,273 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:03:34,278 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:03:34,278 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:03:34,314 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:03:34,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [615518425] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:03:34,316 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:03:34,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-09 05:03:34,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614098238] [2024-11-09 05:03:34,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:03:34,327 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 05:03:34,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:03:34,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 05:03:34,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 05:03:34,364 INFO L87 Difference]: Start difference. First operand has 60 states, 31 states have (on average 1.7741935483870968) internal successors, (55), 54 states have internal predecessors, (55), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 1 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:03:34,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:03:34,391 INFO L93 Difference]: Finished difference Result 60 states and 63 transitions. [2024-11-09 05:03:34,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 05:03:34,394 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.0) internal successors, (4), 1 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-09 05:03:34,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:03:34,401 INFO L225 Difference]: With dead ends: 60 [2024-11-09 05:03:34,401 INFO L226 Difference]: Without dead ends: 0 [2024-11-09 05:03:34,405 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 05:03:34,412 INFO L432 NwaCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:03:34,413 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 05:03:34,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-09 05:03:34,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-09 05:03:34,441 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) [2024-11-09 05:03:34,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-09 05:03:34,443 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 5 [2024-11-09 05:03:34,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:03:34,445 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 05:03:34,445 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.0) internal successors, (4), 1 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:03:34,446 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-09 05:03:34,446 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 05:03:34,449 INFO L782 garLoopResultBuilder]: Registering result SAFE for location func_to_recursive_line_28_to_36_0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 22 remaining) [2024-11-09 05:03:34,449 INFO L782 garLoopResultBuilder]: Registering result SAFE for location func_to_recursive_line_28_to_36_0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 22 remaining) [2024-11-09 05:03:34,450 INFO L782 garLoopResultBuilder]: Registering result SAFE for location func_to_recursive_line_28_to_36_0Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 22 remaining) [2024-11-09 05:03:34,450 INFO L782 garLoopResultBuilder]: Registering result SAFE for location func_to_recursive_line_28_to_36_0Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 22 remaining) [2024-11-09 05:03:34,450 INFO L782 garLoopResultBuilder]: Registering result SAFE for location func_to_recursive_line_28_to_36_0Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 22 remaining) [2024-11-09 05:03:34,450 INFO L782 garLoopResultBuilder]: Registering result SAFE for location func_to_recursive_line_28_to_36_0Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 22 remaining) [2024-11-09 05:03:34,450 INFO L782 garLoopResultBuilder]: Registering result SAFE for location func_to_recursive_line_28_to_36_0Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 22 remaining) [2024-11-09 05:03:34,451 INFO L782 garLoopResultBuilder]: Registering result SAFE for location func_to_recursive_line_28_to_36_0Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 22 remaining) [2024-11-09 05:03:34,451 INFO L782 garLoopResultBuilder]: Registering result SAFE for location func_to_recursive_line_28_to_36_0Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 22 remaining) [2024-11-09 05:03:34,451 INFO L782 garLoopResultBuilder]: Registering result SAFE for location func_to_recursive_line_28_to_36_0Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 22 remaining) [2024-11-09 05:03:34,451 INFO L782 garLoopResultBuilder]: Registering result SAFE for location func_to_recursive_line_28_to_36_0Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 22 remaining) [2024-11-09 05:03:34,452 INFO L782 garLoopResultBuilder]: Registering result SAFE for location func_to_recursive_line_28_to_36_0Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 22 remaining) [2024-11-09 05:03:34,452 INFO L782 garLoopResultBuilder]: Registering result SAFE for location func_to_recursive_line_28_to_36_0Err12ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 22 remaining) [2024-11-09 05:03:34,452 INFO L782 garLoopResultBuilder]: Registering result SAFE for location func_to_recursive_line_28_to_36_0Err13ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 22 remaining) [2024-11-09 05:03:34,452 INFO L782 garLoopResultBuilder]: Registering result SAFE for location func_to_recursive_line_28_to_36_0Err14ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 22 remaining) [2024-11-09 05:03:34,453 INFO L782 garLoopResultBuilder]: Registering result SAFE for location func_to_recursive_line_28_to_36_0Err15ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 22 remaining) [2024-11-09 05:03:34,453 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 22 remaining) [2024-11-09 05:03:34,453 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 22 remaining) [2024-11-09 05:03:34,453 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 22 remaining) [2024-11-09 05:03:34,454 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 22 remaining) [2024-11-09 05:03:34,454 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 22 remaining) [2024-11-09 05:03:34,455 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 22 remaining) [2024-11-09 05:03:34,474 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eddc55f-4f54-44c6-9db0-ebd237d7433d/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 05:03:34,655 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eddc55f-4f54-44c6-9db0-ebd237d7433d/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-09 05:03:34,659 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 05:03:34,661 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-09 05:03:34,684 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 05:03:34,705 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 05:03:34 BoogieIcfgContainer [2024-11-09 05:03:34,705 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 05:03:34,706 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 05:03:34,706 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 05:03:34,706 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 05:03:34,707 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:54:59" (3/4) ... [2024-11-09 05:03:34,710 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 05:03:34,715 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure func_to_recursive_line_28_to_36_0 [2024-11-09 05:03:34,716 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-09 05:03:34,722 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2024-11-09 05:03:34,723 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-09 05:03:34,723 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-09 05:03:34,723 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 05:03:34,843 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eddc55f-4f54-44c6-9db0-ebd237d7433d/bin/utaipan-verify-YMUCfTKeje/witness.graphml [2024-11-09 05:03:34,843 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eddc55f-4f54-44c6-9db0-ebd237d7433d/bin/utaipan-verify-YMUCfTKeje/witness.yml [2024-11-09 05:03:34,843 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 05:03:34,845 INFO L158 Benchmark]: Toolchain (without parser) took 516573.89ms. Allocated memory was 167.8MB in the beginning and 251.7MB in the end (delta: 83.9MB). Free memory was 122.0MB in the beginning and 87.0MB in the end (delta: 35.0MB). Peak memory consumption was 120.4MB. Max. memory is 16.1GB. [2024-11-09 05:03:34,845 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 167.8MB. Free memory is still 136.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:03:34,845 INFO L158 Benchmark]: CACSL2BoogieTranslator took 390.18ms. Allocated memory is still 167.8MB. Free memory was 122.0MB in the beginning and 108.9MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 05:03:34,846 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.55ms. Allocated memory is still 167.8MB. Free memory was 108.9MB in the beginning and 107.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 05:03:34,846 INFO L158 Benchmark]: Boogie Preprocessor took 32.23ms. Allocated memory is still 167.8MB. Free memory was 107.3MB in the beginning and 106.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:03:34,847 INFO L158 Benchmark]: RCFGBuilder took 754.97ms. Allocated memory is still 167.8MB. Free memory was 106.3MB in the beginning and 84.3MB in the end (delta: 22.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-09 05:03:34,847 INFO L158 Benchmark]: TraceAbstraction took 515175.76ms. Allocated memory was 167.8MB in the beginning and 251.7MB in the end (delta: 83.9MB). Free memory was 83.7MB in the beginning and 92.3MB in the end (delta: -8.5MB). Peak memory consumption was 76.4MB. Max. memory is 16.1GB. [2024-11-09 05:03:34,848 INFO L158 Benchmark]: Witness Printer took 137.95ms. Allocated memory is still 251.7MB. Free memory was 92.3MB in the beginning and 87.0MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 05:03:34,853 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 167.8MB. Free memory is still 136.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 390.18ms. Allocated memory is still 167.8MB. Free memory was 122.0MB in the beginning and 108.9MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.55ms. Allocated memory is still 167.8MB. Free memory was 108.9MB in the beginning and 107.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.23ms. Allocated memory is still 167.8MB. Free memory was 107.3MB in the beginning and 106.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 754.97ms. Allocated memory is still 167.8MB. Free memory was 106.3MB in the beginning and 84.3MB in the end (delta: 22.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 515175.76ms. Allocated memory was 167.8MB in the beginning and 251.7MB in the end (delta: 83.9MB). Free memory was 83.7MB in the beginning and 92.3MB in the end (delta: -8.5MB). Peak memory consumption was 76.4MB. Max. memory is 16.1GB. * Witness Printer took 137.95ms. Allocated memory is still 251.7MB. Free memory was 92.3MB in the beginning and 87.0MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. 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: 57]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 57]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 57]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 57]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 57]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 57]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 57]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 57]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 65]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 65]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 66]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 66]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 66]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 66]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 67]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 67]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 89]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 89]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 90]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 90]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 90]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 90]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 60 locations, 22 error locations. Started 1 CEGAR loops. OverallTime: 515.0s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 0 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred in iteration=0, InterpolantAutomatonStates: 2, 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, 0.2s SatisfiabilityAnalysisTime, 514.1s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 136 ConjunctsInSsa, 25 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 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: OVERALL_TIME: 0.0s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 1, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 1, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 0, TOOLS_POST_TIME: 0.0s, TOOLS_POST_CALL_APPLICATIONS: 0, TOOLS_POST_CALL_TIME: 0.0s, TOOLS_POST_RETURN_APPLICATIONS: 0, TOOLS_POST_RETURN_TIME: 0.0s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 0, TOOLS_QUANTIFIERELIM_TIME: 0.0s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.0s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 1, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 0, DOMAIN_JOIN_TIME: 0.0s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME: 0.0s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 0, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 1, DOMAIN_ISBOTTOM_TIME: 0.0s, LOOP_SUMMARIZER_APPLICATIONS: 0, LOOP_SUMMARIZER_CACHE_MISSES: 0, LOOP_SUMMARIZER_OVERALL_TIME: 0.0s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 0, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME: 0.0s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.0s, DAG_COMPRESSION_PROCESSED_NODES: 10, DAG_COMPRESSION_RETAINED_NODES: 9, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 22 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-09 05:03:35,079 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eddc55f-4f54-44c6-9db0-ebd237d7433d/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2024-11-09 05:03:35,126 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eddc55f-4f54-44c6-9db0-ebd237d7433d/bin/utaipan-verify-YMUCfTKeje/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