./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/s3_srvr_1_alt.BV.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_18a65d03-dc50-49eb-8092-f516a4a88c29/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a65d03-dc50-49eb-8092-f516a4a88c29/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a65d03-dc50-49eb-8092-f516a4a88c29/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a65d03-dc50-49eb-8092-f516a4a88c29/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector/s3_srvr_1_alt.BV.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a65d03-dc50-49eb-8092-f516a4a88c29/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a65d03-dc50-49eb-8092-f516a4a88c29/bin/utaipan-verify-SwPr7d2a91 --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 830e900f54612ae6f5fdd54a6e852255995dc393df17a5aad189cddec2169dac --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:56:58,216 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:56:58,350 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a65d03-dc50-49eb-8092-f516a4a88c29/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Overflow-32bit-Taipan_Default.epf [2023-11-24 23:56:58,357 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:56:58,358 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:56:58,399 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:56:58,400 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:56:58,401 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:56:58,402 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:56:58,407 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:56:58,408 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:56:58,409 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:56:58,409 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:56:58,411 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:56:58,412 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:56:58,412 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:56:58,413 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:56:58,413 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:56:58,414 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:56:58,414 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:56:58,415 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:56:58,416 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:56:58,417 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:56:58,417 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:56:58,418 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:56:58,418 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:56:58,419 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:56:58,419 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:56:58,420 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:56:58,420 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:56:58,421 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:56:58,422 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:56:58,437 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:56:58,438 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:56:58,438 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:56:58,438 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:56:58,439 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:56:58,439 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:56:58,440 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:56:58,440 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:56:58,440 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:56:58,441 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:56:58,441 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:56:58,441 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:56:58,442 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:56:58,442 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:56:58,442 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:56:58,442 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:56:58,443 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:56:58,443 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_18a65d03-dc50-49eb-8092-f516a4a88c29/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a65d03-dc50-49eb-8092-f516a4a88c29/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 830e900f54612ae6f5fdd54a6e852255995dc393df17a5aad189cddec2169dac [2023-11-24 23:56:58,795 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:56:58,836 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:56:58,839 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:56:58,841 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:56:58,842 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:56:58,843 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a65d03-dc50-49eb-8092-f516a4a88c29/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/bitvector/s3_srvr_1_alt.BV.c.cil.c [2023-11-24 23:57:02,090 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:57:02,427 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:57:02,441 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a65d03-dc50-49eb-8092-f516a4a88c29/sv-benchmarks/c/bitvector/s3_srvr_1_alt.BV.c.cil.c [2023-11-24 23:57:02,474 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a65d03-dc50-49eb-8092-f516a4a88c29/bin/utaipan-verify-SwPr7d2a91/data/27d0ed8f0/b954fc1fccf74d89a156b1dc1cb7eabf/FLAG8f2273dff [2023-11-24 23:57:02,500 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a65d03-dc50-49eb-8092-f516a4a88c29/bin/utaipan-verify-SwPr7d2a91/data/27d0ed8f0/b954fc1fccf74d89a156b1dc1cb7eabf [2023-11-24 23:57:02,508 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:57:02,511 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:57:02,516 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:57:02,516 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:57:02,523 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:57:02,524 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:57:02" (1/1) ... [2023-11-24 23:57:02,526 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17008514 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:02, skipping insertion in model container [2023-11-24 23:57:02,527 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:57:02" (1/1) ... [2023-11-24 23:57:02,613 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:57:02,976 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:57:02,998 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:57:03,073 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:57:03,091 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:57:03,091 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:03 WrapperNode [2023-11-24 23:57:03,092 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:57:03,093 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:57:03,094 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:57:03,094 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:57:03,106 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:03" (1/1) ... [2023-11-24 23:57:03,121 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:03" (1/1) ... [2023-11-24 23:57:03,180 INFO L138 Inliner]: procedures = 16, calls = 10, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 702 [2023-11-24 23:57:03,181 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:57:03,182 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:57:03,182 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:57:03,182 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:57:03,194 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:03" (1/1) ... [2023-11-24 23:57:03,195 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:03" (1/1) ... [2023-11-24 23:57:03,200 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:03" (1/1) ... [2023-11-24 23:57:03,200 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:03" (1/1) ... [2023-11-24 23:57:03,214 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:03" (1/1) ... [2023-11-24 23:57:03,230 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:03" (1/1) ... [2023-11-24 23:57:03,234 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:03" (1/1) ... [2023-11-24 23:57:03,241 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:03" (1/1) ... [2023-11-24 23:57:03,247 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:57:03,261 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:57:03,262 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:57:03,263 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:57:03,264 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:03" (1/1) ... [2023-11-24 23:57:03,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:57:03,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a65d03-dc50-49eb-8092-f516a4a88c29/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:57:03,311 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a65d03-dc50-49eb-8092-f516a4a88c29/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:57:03,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a65d03-dc50-49eb-8092-f516a4a88c29/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:57:03,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:57:03,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:57:03,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:57:03,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:57:03,539 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:57:03,543 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:57:03,629 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-24 23:57:04,559 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##104: assume false; [2023-11-24 23:57:04,559 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##105: assume !false; [2023-11-24 23:57:04,560 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:57:04,850 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:57:04,850 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:57:04,852 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:57:04 BoogieIcfgContainer [2023-11-24 23:57:04,853 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:57:04,856 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:57:04,857 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:57:04,861 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:57:04,862 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:57:02" (1/3) ... [2023-11-24 23:57:04,863 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e8bb3ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:57:04, skipping insertion in model container [2023-11-24 23:57:04,864 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:03" (2/3) ... [2023-11-24 23:57:04,865 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e8bb3ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:57:04, skipping insertion in model container [2023-11-24 23:57:04,866 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:57:04" (3/3) ... [2023-11-24 23:57:04,870 INFO L112 eAbstractionObserver]: Analyzing ICFG s3_srvr_1_alt.BV.c.cil.c [2023-11-24 23:57:04,888 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:57:04,889 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2023-11-24 23:57:04,951 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:57:04,959 INFO L357 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, mHoare=true, 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;@5be3b2ae, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:57:04,959 INFO L358 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2023-11-24 23:57:04,964 INFO L276 IsEmpty]: Start isEmpty. Operand has 140 states, 123 states have (on average 1.7886178861788617) internal successors, (220), 139 states have internal predecessors, (220), 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) [2023-11-24 23:57:04,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-24 23:57:04,969 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:57:04,970 INFO L195 NwaCegarLoop]: trace histogram [1, 1] [2023-11-24 23:57:04,971 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-24 23:57:04,976 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:57:04,976 INFO L85 PathProgramCache]: Analyzing trace with hash 26216, now seen corresponding path program 1 times [2023-11-24 23:57:04,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:57:04,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969007320] [2023-11-24 23:57:04,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:57:04,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:57:05,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:57:05,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:57:05,298 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:57:05,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969007320] [2023-11-24 23:57:05,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1969007320] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:57:05,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:57:05,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-24 23:57:05,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40778275] [2023-11-24 23:57:05,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:57:05,307 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:57:05,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:57:05,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:57:05,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:57:05,342 INFO L87 Difference]: Start difference. First operand has 140 states, 123 states have (on average 1.7886178861788617) internal successors, (220), 139 states have internal predecessors, (220), 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) Second operand has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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) [2023-11-24 23:57:05,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:57:05,536 INFO L93 Difference]: Finished difference Result 147 states and 226 transitions. [2023-11-24 23:57:05,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 23:57:05,539 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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) Word has length 2 [2023-11-24 23:57:05,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:57:05,552 INFO L225 Difference]: With dead ends: 147 [2023-11-24 23:57:05,552 INFO L226 Difference]: Without dead ends: 136 [2023-11-24 23:57:05,555 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:57:05,559 INFO L413 NwaCegarLoop]: 184 mSDtfsCounter, 213 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-24 23:57:05,561 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [213 Valid, 184 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-24 23:57:05,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2023-11-24 23:57:05,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2023-11-24 23:57:05,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 121 states have (on average 1.743801652892562) internal successors, (211), 135 states have internal predecessors, (211), 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) [2023-11-24 23:57:05,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 211 transitions. [2023-11-24 23:57:05,619 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 211 transitions. Word has length 2 [2023-11-24 23:57:05,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:57:05,619 INFO L495 AbstractCegarLoop]: Abstraction has 136 states and 211 transitions. [2023-11-24 23:57:05,620 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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) [2023-11-24 23:57:05,620 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 211 transitions. [2023-11-24 23:57:05,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 23:57:05,620 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:57:05,621 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2023-11-24 23:57:05,621 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-24 23:57:05,621 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-24 23:57:05,622 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:57:05,622 INFO L85 PathProgramCache]: Analyzing trace with hash 812750, now seen corresponding path program 1 times [2023-11-24 23:57:05,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:57:05,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104041307] [2023-11-24 23:57:05,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:57:05,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:57:05,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:57:05,656 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:57:05,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:57:05,750 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-24 23:57:05,750 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-24 23:57:05,753 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 16 remaining) [2023-11-24 23:57:05,755 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 16 remaining) [2023-11-24 23:57:05,756 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 16 remaining) [2023-11-24 23:57:05,757 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 16 remaining) [2023-11-24 23:57:05,757 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 16 remaining) [2023-11-24 23:57:05,758 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 16 remaining) [2023-11-24 23:57:05,758 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 16 remaining) [2023-11-24 23:57:05,765 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 16 remaining) [2023-11-24 23:57:05,765 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 16 remaining) [2023-11-24 23:57:05,766 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 16 remaining) [2023-11-24 23:57:05,768 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 16 remaining) [2023-11-24 23:57:05,769 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 16 remaining) [2023-11-24 23:57:05,769 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 16 remaining) [2023-11-24 23:57:05,770 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 16 remaining) [2023-11-24 23:57:05,770 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 16 remaining) [2023-11-24 23:57:05,770 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 16 remaining) [2023-11-24 23:57:05,771 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-24 23:57:05,775 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-24 23:57:05,780 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-24 23:57:05,828 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 11:57:05 BoogieIcfgContainer [2023-11-24 23:57:05,828 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-24 23:57:05,829 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:57:05,829 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:57:05,830 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:57:05,830 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:57:04" (3/4) ... [2023-11-24 23:57:05,831 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-24 23:57:05,900 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a65d03-dc50-49eb-8092-f516a4a88c29/bin/utaipan-verify-SwPr7d2a91/witness.graphml [2023-11-24 23:57:05,907 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:57:05,908 INFO L158 Benchmark]: Toolchain (without parser) took 3397.27ms. Allocated memory is still 153.1MB. Free memory was 124.8MB in the beginning and 71.6MB in the end (delta: 53.3MB). Peak memory consumption was 54.3MB. Max. memory is 16.1GB. [2023-11-24 23:57:05,912 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 123.7MB. Free memory was 96.6MB in the beginning and 96.4MB in the end (delta: 132.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:57:05,913 INFO L158 Benchmark]: CACSL2BoogieTranslator took 576.54ms. Allocated memory is still 153.1MB. Free memory was 124.8MB in the beginning and 108.7MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-24 23:57:05,913 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.01ms. Allocated memory is still 153.1MB. Free memory was 108.7MB in the beginning and 105.3MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:57:05,914 INFO L158 Benchmark]: Boogie Preprocessor took 65.75ms. Allocated memory is still 153.1MB. Free memory was 105.3MB in the beginning and 102.4MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:57:05,914 INFO L158 Benchmark]: RCFGBuilder took 1591.75ms. Allocated memory is still 153.1MB. Free memory was 102.4MB in the beginning and 112.5MB in the end (delta: -10.0MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2023-11-24 23:57:05,915 INFO L158 Benchmark]: TraceAbstraction took 972.63ms. Allocated memory is still 153.1MB. Free memory was 112.5MB in the beginning and 73.7MB in the end (delta: 38.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-11-24 23:57:05,915 INFO L158 Benchmark]: Witness Printer took 77.91ms. Allocated memory is still 153.1MB. Free memory was 73.7MB in the beginning and 71.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:57:05,918 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 123.7MB. Free memory was 96.6MB in the beginning and 96.4MB in the end (delta: 132.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 576.54ms. Allocated memory is still 153.1MB. Free memory was 124.8MB in the beginning and 108.7MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.01ms. Allocated memory is still 153.1MB. Free memory was 108.7MB in the beginning and 105.3MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.75ms. Allocated memory is still 153.1MB. Free memory was 105.3MB in the beginning and 102.4MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1591.75ms. Allocated memory is still 153.1MB. Free memory was 102.4MB in the beginning and 112.5MB in the end (delta: -10.0MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * TraceAbstraction took 972.63ms. Allocated memory is still 153.1MB. Free memory was 112.5MB in the beginning and 73.7MB in the end (delta: 38.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Witness Printer took 77.91ms. Allocated memory is still 153.1MB. Free memory was 73.7MB in the beginning and 71.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. 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: 99]: integer overflow possible integer overflow possible We found a FailurePath: [L699] int s ; [L700] int tmp ; [L704] s = 8464 [L705] CALL ssl3_accept(s) [L24] int s__info_callback = __VERIFIER_nondet_int(); [L25] int s__in_handshake = __VERIFIER_nondet_int(); [L26] int s__state ; [L27] int s__new_session ; [L28] int s__server ; [L29] int s__version = __VERIFIER_nondet_int(); [L30] int s__type ; [L31] int s__init_num ; [L32] int s__hit = __VERIFIER_nondet_int(); [L33] int s__rwstate ; [L34] int s__init_buf___0 = __VERIFIER_nondet_int(); [L35] int s__debug = __VERIFIER_nondet_int(); [L36] int s__shutdown ; [L37] int s__cert = __VERIFIER_nondet_int(); [L38] int s__options = __VERIFIER_nondet_int(); [L39] int s__verify_mode = __VERIFIER_nondet_int(); [L40] int s__session__peer = __VERIFIER_nondet_int(); [L41] int s__cert__pkeys__AT0__privatekey = __VERIFIER_nondet_int(); [L42] int s__ctx__info_callback = __VERIFIER_nondet_int(); [L43] int s__ctx__stats__sess_accept_renegotiate = __VERIFIER_nondet_int(); [L44] int s__ctx__stats__sess_accept = __VERIFIER_nondet_int(); [L45] int s__ctx__stats__sess_accept_good = __VERIFIER_nondet_int(); [L46] int s__s3__tmp__cert_request ; [L47] int s__s3__tmp__reuse_message = __VERIFIER_nondet_int(); [L48] int s__s3__tmp__use_rsa_tmp ; [L49] int s__s3__tmp__new_cipher = __VERIFIER_nondet_int(); [L50] int s__s3__tmp__new_cipher__algorithms = __VERIFIER_nondet_int(); [L51] int s__s3__tmp__next_state___0 ; [L52] int s__s3__tmp__new_cipher__algo_strength = __VERIFIER_nondet_int(); [L53] int s__session__cipher ; [L54] int buf = __VERIFIER_nondet_int(); [L55] unsigned long l ; [L56] unsigned long Time ; [L57] unsigned long tmp = __VERIFIER_nondet_ulong(); [L58] int cb ; [L59] long num1 ; [L60] int ret ; [L61] int new_state ; [L62] int state ; [L63] int skip ; [L64] int got_new_session ; [L65] int tmp___1 = __VERIFIER_nondet_int(); [L66] int tmp___2 = __VERIFIER_nondet_int(); [L67] int tmp___3 ; [L68] int tmp___4 ; [L69] int tmp___5 ; [L70] int tmp___6 ; [L71] int tmp___7 ; [L72] long tmp___8 = __VERIFIER_nondet_long(); [L73] int tmp___9 ; [L74] int tmp___10 ; [L75] int blastFlag ; [L76] int ag_X = __VERIFIER_nondet_int(); [L77] int ag_Y = __VERIFIER_nondet_int(); [L78] int ag_Z = __VERIFIER_nondet_int(); [L79] int __retres70 ; [L81] CALL assume_abort_if_not(ag_Z!=0) [L11] COND FALSE !(!cond) [L81] RET assume_abort_if_not(ag_Z!=0) [L83] s__state = initial_state [L84] blastFlag = 0 [L85] Time = tmp [L86] cb = 0 [L87] ret = -1 [L88] skip = 0 [L89] got_new_session = 0 [L90] COND TRUE s__info_callback != 0 [L91] cb = s__info_callback VAL [Time=2147483648, \old(initial_state)=8464, ag_X=0, ag_Y=0, ag_Z=-1, blastFlag=0, buf=0, cb=4, got_new_session=0, initial_state=8464, ret=-1, s__cert=0, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=4, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=2147483647, s__info_callback=4, s__init_buf___0=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, tmp=2147483648, tmp___1=0, tmp___2=0, tmp___8=0] [L99] s__in_handshake + 1 VAL [Time=2147483648, \old(initial_state)=8464, ag_X=0, ag_Y=0, ag_Z=-1, blastFlag=0, buf=0, cb=4, got_new_session=0, initial_state=8464, ret=-1, s__cert=0, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=4, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=2147483647, s__info_callback=4, s__init_buf___0=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, tmp=2147483648, tmp___1=0, tmp___2=0, tmp___8=0] - UnprovableResult [Line: 99]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 276]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 276]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 278]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 278]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 377]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 377]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 595]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 595]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 682]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 682]: 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 1 procedures, 140 locations, 16 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 213 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 213 mSDsluCounter, 184 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 35 IncrementalHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 184 mSDtfsCounter, 35 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=140occurred in iteration=0, InterpolantAutomatonStates: 3, 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, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 1 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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! [2023-11-24 23:57:05,942 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18a65d03-dc50-49eb-8092-f516a4a88c29/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)