./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursified_nla-digbench/recursified_geo2.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_4c826485-5c61-4e6d-a28e-e4c11329c71a/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c826485-5c61-4e6d-a28e-e4c11329c71a/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_4c826485-5c61-4e6d-a28e-e4c11329c71a/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c826485-5c61-4e6d-a28e-e4c11329c71a/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_geo2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c826485-5c61-4e6d-a28e-e4c11329c71a/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_4c826485-5c61-4e6d-a28e-e4c11329c71a/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 dfa146aa1f7e35376cbccd06e874bc54d20f2c59efb61bc729adb7e4f2824594 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:17:41,975 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:17:42,059 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c826485-5c61-4e6d-a28e-e4c11329c71a/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-32bit-Taipan_Default.epf [2024-11-09 06:17:42,064 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:17:42,064 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:17:42,089 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:17:42,090 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:17:42,090 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:17:42,091 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:17:42,091 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:17:42,092 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:17:42,092 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:17:42,093 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:17:42,093 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 06:17:42,093 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:17:42,094 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:17:42,094 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 06:17:42,095 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 06:17:42,095 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:17:42,096 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 06:17:42,096 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 06:17:42,097 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 06:17:42,097 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:17:42,098 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:17:42,098 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:17:42,099 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 06:17:42,099 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:17:42,100 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:17:42,100 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:17:42,100 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:17:42,101 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:17:42,101 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:17:42,101 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 06:17:42,102 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 06:17:42,102 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:17:42,102 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:17:42,103 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:17:42,103 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:17:42,103 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:17:42,104 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:17:42,104 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:17:42,107 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:17:42,108 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:17:42,108 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:17:42,108 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 06:17:42,108 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 06:17:42,109 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:17:42,109 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:17:42,109 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 06:17:42,109 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_4c826485-5c61-4e6d-a28e-e4c11329c71a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c826485-5c61-4e6d-a28e-e4c11329c71a/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dfa146aa1f7e35376cbccd06e874bc54d20f2c59efb61bc729adb7e4f2824594 [2024-11-09 06:17:42,418 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:17:42,456 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:17:42,461 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:17:42,463 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:17:42,463 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:17:42,465 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c826485-5c61-4e6d-a28e-e4c11329c71a/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/recursified_nla-digbench/recursified_geo2.c Unable to find full path for "g++" [2024-11-09 06:17:44,684 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:17:44,965 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:17:44,966 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c826485-5c61-4e6d-a28e-e4c11329c71a/sv-benchmarks/c/recursified_nla-digbench/recursified_geo2.c [2024-11-09 06:17:44,975 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c826485-5c61-4e6d-a28e-e4c11329c71a/bin/utaipan-verify-YMUCfTKeje/data/59232c159/93fb4f9b127e47589c58515b581ec648/FLAG1296faf19 [2024-11-09 06:17:45,290 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c826485-5c61-4e6d-a28e-e4c11329c71a/bin/utaipan-verify-YMUCfTKeje/data/59232c159/93fb4f9b127e47589c58515b581ec648 [2024-11-09 06:17:45,293 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:17:45,295 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:17:45,296 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:17:45,297 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:17:45,304 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:17:45,307 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:17:45" (1/1) ... [2024-11-09 06:17:45,308 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36b6301a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:17:45, skipping insertion in model container [2024-11-09 06:17:45,308 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:17:45" (1/1) ... [2024-11-09 06:17:45,333 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:17:45,569 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:17:45,584 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:17:45,611 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:17:45,633 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:17:45,633 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:17:45 WrapperNode [2024-11-09 06:17:45,633 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:17:45,635 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:17:45,635 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:17:45,635 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:17:45,644 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:17:45" (1/1) ... [2024-11-09 06:17:45,653 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:17:45" (1/1) ... [2024-11-09 06:17:45,676 INFO L138 Inliner]: procedures = 16, calls = 59, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 82 [2024-11-09 06:17:45,676 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:17:45,677 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:17:45,677 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:17:45,677 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:17:45,690 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:17:45" (1/1) ... [2024-11-09 06:17:45,691 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:17:45" (1/1) ... [2024-11-09 06:17:45,698 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:17:45" (1/1) ... [2024-11-09 06:17:45,698 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:17:45" (1/1) ... [2024-11-09 06:17:45,707 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:17:45" (1/1) ... [2024-11-09 06:17:45,709 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:17:45" (1/1) ... [2024-11-09 06:17:45,715 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:17:45" (1/1) ... [2024-11-09 06:17:45,716 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:17:45" (1/1) ... [2024-11-09 06:17:45,722 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:17:45,723 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:17:45,724 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:17:45,724 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:17:45,728 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:17:45" (1/1) ... [2024-11-09 06:17:45,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:17:45,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c826485-5c61-4e6d-a28e-e4c11329c71a/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:17:45,772 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c826485-5c61-4e6d-a28e-e4c11329c71a/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:17:45,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c826485-5c61-4e6d-a28e-e4c11329c71a/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:17:45,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:17:45,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 06:17:45,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 06:17:45,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 06:17:45,815 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_30_to_38_0 [2024-11-09 06:17:45,816 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_30_to_38_0 [2024-11-09 06:17:45,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:17:45,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:17:45,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 06:17:45,817 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 06:17:45,817 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 06:17:45,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 06:17:45,933 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:17:45,935 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:17:46,502 INFO L? ?]: Removed 77 outVars from TransFormulas that were not future-live. [2024-11-09 06:17:46,502 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:17:46,551 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:17:46,551 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 06:17:46,552 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:17:46 BoogieIcfgContainer [2024-11-09 06:17:46,552 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:17:46,555 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:17:46,555 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:17:46,558 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:17:46,559 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:17:45" (1/3) ... [2024-11-09 06:17:46,559 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c025ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:17:46, skipping insertion in model container [2024-11-09 06:17:46,560 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:17:45" (2/3) ... [2024-11-09 06:17:46,560 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c025ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:17:46, skipping insertion in model container [2024-11-09 06:17:46,560 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:17:46" (3/3) ... [2024-11-09 06:17:46,561 INFO L112 eAbstractionObserver]: Analyzing ICFG recursified_geo2.c [2024-11-09 06:17:46,580 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:17:46,580 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2024-11-09 06:17:46,651 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:17:46,658 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;@3a0af6a1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:17:46,659 INFO L334 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2024-11-09 06:17:46,663 INFO L276 IsEmpty]: Start isEmpty. Operand has 72 states, 37 states have (on average 1.8108108108108107) internal successors, (67), 66 states have internal predecessors, (67), 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 06:17:46,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-09 06:17:46,671 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:17:46,671 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-09 06:17:46,672 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting func_to_recursive_line_30_to_38_0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [func_to_recursive_line_30_to_38_0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, func_to_recursive_line_30_to_38_0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 26 more)] === [2024-11-09 06:17:46,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:17:46,678 INFO L85 PathProgramCache]: Analyzing trace with hash 125718117, now seen corresponding path program 1 times [2024-11-09 06:17:46,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:17:46,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519934402] [2024-11-09 06:17:46,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:17:46,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:17:47,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 06:17:47,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [899879934] [2024-11-09 06:17:47,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:17:47,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:17:47,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c826485-5c61-4e6d-a28e-e4c11329c71a/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:17:47,023 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c826485-5c61-4e6d-a28e-e4c11329c71a/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:17:47,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c826485-5c61-4e6d-a28e-e4c11329c71a/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 06:17:47,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:17:47,168 INFO L255 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-11-09 06:17:47,177 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:17:47,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:17:47,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:17:47,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:17:47,364 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 35 [2024-11-09 06:17:47,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:17:47,418 INFO L349 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2024-11-09 06:17:47,419 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 57 treesize of output 49 [2024-11-09 06:17:47,453 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 23 [2024-11-09 06:17:47,606 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2024-11-09 06:17:47,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:17:47,633 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:17:47,633 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:17:47,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519934402] [2024-11-09 06:17:47,634 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 06:17:47,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [899879934] [2024-11-09 06:17:47,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [899879934] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:17:47,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:17:47,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 06:17:47,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776936967] [2024-11-09 06:17:47,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:17:47,645 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:17:47,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:17:47,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:17:47,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:17:47,682 INFO L87 Difference]: Start difference. First operand has 72 states, 37 states have (on average 1.8108108108108107) internal successors, (67), 66 states have internal predecessors, (67), 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 6 states, 4 states have (on average 1.0) internal successors, (4), 4 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 06:17:48,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:17:48,164 INFO L93 Difference]: Finished difference Result 140 states and 146 transitions. [2024-11-09 06:17:48,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:17:48,168 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 1.0) internal successors, (4), 4 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 06:17:48,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:17:48,179 INFO L225 Difference]: With dead ends: 140 [2024-11-09 06:17:48,179 INFO L226 Difference]: Without dead ends: 107 [2024-11-09 06:17:48,182 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-09 06:17:48,187 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 73 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 250 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 06:17:48,188 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 250 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 06:17:48,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2024-11-09 06:17:48,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 86. [2024-11-09 06:17:48,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 51 states have (on average 1.7254901960784315) internal successors, (88), 79 states have internal predecessors, (88), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-09 06:17:48,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 97 transitions. [2024-11-09 06:17:48,237 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 97 transitions. Word has length 5 [2024-11-09 06:17:48,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:17:48,238 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 97 transitions. [2024-11-09 06:17:48,238 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 1.0) internal successors, (4), 4 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 06:17:48,238 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 97 transitions. [2024-11-09 06:17:48,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 06:17:48,239 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:17:48,239 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-09 06:17:48,261 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c826485-5c61-4e6d-a28e-e4c11329c71a/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 06:17:48,442 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c826485-5c61-4e6d-a28e-e4c11329c71a/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-09 06:17:48,443 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting func_to_recursive_line_30_to_38_0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [func_to_recursive_line_30_to_38_0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, func_to_recursive_line_30_to_38_0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 26 more)] === [2024-11-09 06:17:48,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:17:48,444 INFO L85 PathProgramCache]: Analyzing trace with hash -397705632, now seen corresponding path program 1 times [2024-11-09 06:17:48,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:17:48,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888179096] [2024-11-09 06:17:48,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:17:48,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:17:48,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 06:17:48,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [747548552] [2024-11-09 06:17:48,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:17:48,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:17:48,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c826485-5c61-4e6d-a28e-e4c11329c71a/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:17:48,525 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c826485-5c61-4e6d-a28e-e4c11329c71a/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:17:48,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c826485-5c61-4e6d-a28e-e4c11329c71a/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 06:17:48,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:17:48,656 INFO L255 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-11-09 06:17:48,663 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:17:48,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:17:48,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:17:48,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:17:48,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:17:48,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:17:48,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:17:48,805 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 128 treesize of output 37 [2024-11-09 06:17:48,907 INFO L349 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2024-11-09 06:17:48,907 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 53 [2024-11-09 06:17:48,941 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 31 [2024-11-09 06:17:49,223 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-09 06:17:49,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:17:49,257 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:17:49,257 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:17:49,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888179096] [2024-11-09 06:17:49,258 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 06:17:49,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [747548552] [2024-11-09 06:17:49,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [747548552] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:17:49,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:17:49,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 06:17:49,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536640881] [2024-11-09 06:17:49,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:17:49,261 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:17:49,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:17:49,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:17:49,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:17:49,264 INFO L87 Difference]: Start difference. First operand 86 states and 97 transitions. Second operand has 6 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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 06:17:49,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:17:49,818 INFO L93 Difference]: Finished difference Result 107 states and 110 transitions. [2024-11-09 06:17:49,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:17:49,820 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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 6 [2024-11-09 06:17:49,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:17:49,821 INFO L225 Difference]: With dead ends: 107 [2024-11-09 06:17:49,822 INFO L226 Difference]: Without dead ends: 106 [2024-11-09 06:17:49,822 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-09 06:17:49,823 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 70 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 06:17:49,825 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 237 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 06:17:49,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2024-11-09 06:17:49,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 86. [2024-11-09 06:17:49,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 51 states have (on average 1.7058823529411764) internal successors, (87), 79 states have internal predecessors, (87), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-09 06:17:49,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 96 transitions. [2024-11-09 06:17:49,849 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 96 transitions. Word has length 6 [2024-11-09 06:17:49,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:17:49,850 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 96 transitions. [2024-11-09 06:17:49,850 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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 06:17:49,850 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 96 transitions. [2024-11-09 06:17:49,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 06:17:49,851 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:17:49,851 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:17:49,873 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c826485-5c61-4e6d-a28e-e4c11329c71a/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-09 06:17:50,051 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c826485-5c61-4e6d-a28e-e4c11329c71a/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:17:50,052 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting func_to_recursive_line_30_to_38_0Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [func_to_recursive_line_30_to_38_0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, func_to_recursive_line_30_to_38_0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 26 more)] === [2024-11-09 06:17:50,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:17:50,052 INFO L85 PathProgramCache]: Analyzing trace with hash 56978242, now seen corresponding path program 1 times [2024-11-09 06:17:50,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:17:50,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602510606] [2024-11-09 06:17:50,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:17:50,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:17:50,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 06:17:50,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1808236997] [2024-11-09 06:17:50,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:17:50,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:17:50,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c826485-5c61-4e6d-a28e-e4c11329c71a/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:17:50,113 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c826485-5c61-4e6d-a28e-e4c11329c71a/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:17:50,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c826485-5c61-4e6d-a28e-e4c11329c71a/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 06:17:50,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:17:50,222 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 06:17:50,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:17:50,270 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 06:17:50,270 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 06:17:50,272 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location func_to_recursive_line_30_to_38_0Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 28 remaining) [2024-11-09 06:17:50,274 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_30_to_38_0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 28 remaining) [2024-11-09 06:17:50,274 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_30_to_38_0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 28 remaining) [2024-11-09 06:17:50,275 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_30_to_38_0Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 28 remaining) [2024-11-09 06:17:50,275 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_30_to_38_0Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 28 remaining) [2024-11-09 06:17:50,275 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_30_to_38_0Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 28 remaining) [2024-11-09 06:17:50,275 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_30_to_38_0Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 28 remaining) [2024-11-09 06:17:50,276 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_30_to_38_0Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 28 remaining) [2024-11-09 06:17:50,276 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_30_to_38_0Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 28 remaining) [2024-11-09 06:17:50,276 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_30_to_38_0Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 28 remaining) [2024-11-09 06:17:50,277 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_30_to_38_0Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 28 remaining) [2024-11-09 06:17:50,277 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_30_to_38_0Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 28 remaining) [2024-11-09 06:17:50,277 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_30_to_38_0Err12ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 28 remaining) [2024-11-09 06:17:50,278 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_30_to_38_0Err13ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 28 remaining) [2024-11-09 06:17:50,278 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_30_to_38_0Err14ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 28 remaining) [2024-11-09 06:17:50,278 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_30_to_38_0Err15ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 28 remaining) [2024-11-09 06:17:50,278 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_30_to_38_0Err16ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 28 remaining) [2024-11-09 06:17:50,279 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_30_to_38_0Err17ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 28 remaining) [2024-11-09 06:17:50,279 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 28 remaining) [2024-11-09 06:17:50,279 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 28 remaining) [2024-11-09 06:17:50,280 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 28 remaining) [2024-11-09 06:17:50,280 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 28 remaining) [2024-11-09 06:17:50,280 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 28 remaining) [2024-11-09 06:17:50,280 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 28 remaining) [2024-11-09 06:17:50,281 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 28 remaining) [2024-11-09 06:17:50,281 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 28 remaining) [2024-11-09 06:17:50,281 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 28 remaining) [2024-11-09 06:17:50,282 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 28 remaining) [2024-11-09 06:17:50,306 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c826485-5c61-4e6d-a28e-e4c11329c71a/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-09 06:17:50,482 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c826485-5c61-4e6d-a28e-e4c11329c71a/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:17:50,486 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-09 06:17:50,516 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 06:17:50,521 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 06:17:50 BoogieIcfgContainer [2024-11-09 06:17:50,521 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 06:17:50,522 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 06:17:50,522 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 06:17:50,522 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 06:17:50,523 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:17:46" (3/4) ... [2024-11-09 06:17:50,524 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-09 06:17:50,574 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c826485-5c61-4e6d-a28e-e4c11329c71a/bin/utaipan-verify-YMUCfTKeje/witness.graphml [2024-11-09 06:17:50,574 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 06:17:50,575 INFO L158 Benchmark]: Toolchain (without parser) took 5280.21ms. Allocated memory was 146.8MB in the beginning and 220.2MB in the end (delta: 73.4MB). Free memory was 114.7MB in the beginning and 102.1MB in the end (delta: 12.7MB). Peak memory consumption was 87.1MB. Max. memory is 16.1GB. [2024-11-09 06:17:50,576 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 146.8MB. Free memory is still 93.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:17:50,576 INFO L158 Benchmark]: CACSL2BoogieTranslator took 337.52ms. Allocated memory is still 146.8MB. Free memory was 114.3MB in the beginning and 101.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 06:17:50,577 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.94ms. Allocated memory is still 146.8MB. Free memory was 101.7MB in the beginning and 100.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:17:50,577 INFO L158 Benchmark]: Boogie Preprocessor took 45.61ms. Allocated memory is still 146.8MB. Free memory was 100.0MB in the beginning and 98.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 06:17:50,578 INFO L158 Benchmark]: RCFGBuilder took 828.56ms. Allocated memory is still 146.8MB. Free memory was 98.6MB in the beginning and 76.6MB in the end (delta: 22.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-09 06:17:50,580 INFO L158 Benchmark]: TraceAbstraction took 3966.54ms. Allocated memory was 146.8MB in the beginning and 220.2MB in the end (delta: 73.4MB). Free memory was 75.9MB in the beginning and 105.2MB in the end (delta: -29.3MB). Peak memory consumption was 43.0MB. Max. memory is 16.1GB. [2024-11-09 06:17:50,580 INFO L158 Benchmark]: Witness Printer took 52.69ms. Allocated memory is still 220.2MB. Free memory was 105.2MB in the beginning and 102.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 06:17:50,586 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 146.8MB. Free memory is still 93.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 337.52ms. Allocated memory is still 146.8MB. Free memory was 114.3MB in the beginning and 101.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.94ms. Allocated memory is still 146.8MB. Free memory was 101.7MB in the beginning and 100.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 45.61ms. Allocated memory is still 146.8MB. Free memory was 100.0MB in the beginning and 98.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 828.56ms. Allocated memory is still 146.8MB. Free memory was 98.6MB in the beginning and 76.6MB in the end (delta: 22.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 3966.54ms. Allocated memory was 146.8MB in the beginning and 220.2MB in the end (delta: 73.4MB). Free memory was 75.9MB in the beginning and 105.2MB in the end (delta: -29.3MB). Peak memory consumption was 43.0MB. Max. memory is 16.1GB. * Witness Printer took 52.69ms. Allocated memory is still 220.2MB. Free memory was 105.2MB in the beginning and 102.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. 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 - CounterExampleResult [Line: 56]: integer overflow possible integer overflow possible We found a FailurePath: [L77] int z; [L78] int k; [L79] int x; [L80] int y; [L81] int c; [L82] z = __VERIFIER_nondet_int() [L83] k = __VERIFIER_nondet_int() [L84] x = 1 [L85] y = 1 [L86] c = 1 VAL [c={6:0}, k={7:0}, x={8:0}, y={4:0}, z={5:0}] [L87] CALL func_to_recursive_line_30_to_38_0(&k, &x, &z, &y, &c) VAL [\old(c)={6:0}, \old(k)={7:0}, \old(x)={8:0}, \old(y)={4:0}, \old(z)={5:0}] [L56] EXPR \read(*x) [L56] EXPR \read(*z) VAL [\old(c)={6:0}, \old(k)={7:0}, \old(x)={8:0}, \old(y)={4:0}, \old(z)={5:0}, c={6:0}, k={7:0}, x={8:0}, y={4:0}, z={5:0}] [L56] EXPR (*x) * (*z) VAL [\old(c)={6:0}, \old(k)={7:0}, \old(x)={8:0}, \old(y)={4:0}, \old(z)={5:0}, c={6:0}, k={7:0}, x={8:0}, y={4:0}, z={5:0}] [L56] 1 + ((*x) * (*z)) VAL [\old(c)={6:0}, \old(k)={7:0}, \old(x)={8:0}, \old(y)={4:0}, \old(z)={5:0}, c={6:0}, k={7:0}, x={8:0}, y={4:0}, z={5:0}] - UnprovableResult [Line: 56]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 56]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 56]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 56]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 56]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 56]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 56]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 56]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 56]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 64]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 64]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 65]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 65]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 65]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 65]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 66]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 66]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 88]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 88]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 88]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 88]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 88]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 88]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 88]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 88]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 88]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 88]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 72 locations, 28 error locations. Started 1 CEGAR loops. OverallTime: 3.9s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 143 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 143 mSDsluCounter, 487 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 391 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 229 IncrementalHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 96 mSDtfsCounter, 229 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=86occurred in iteration=1, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 41 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 9 ConstructedInterpolants, 3 QuantifiedInterpolants, 194 SizeOfPredicates, 29 NumberOfNonLiveVariables, 309 ConjunctsInSsa, 91 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-11-09 06:17:50,616 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c826485-5c61-4e6d-a28e-e4c11329c71a/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)