./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_18_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_ef8bc7a6-3a84-4d24-8c3a-0221576d8ec9/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef8bc7a6-3a84-4d24-8c3a-0221576d8ec9/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_ef8bc7a6-3a84-4d24-8c3a-0221576d8ec9/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef8bc7a6-3a84-4d24-8c3a-0221576d8ec9/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_18_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef8bc7a6-3a84-4d24-8c3a-0221576d8ec9/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef8bc7a6-3a84-4d24-8c3a-0221576d8ec9/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 64bit --witnessprinter.graph.data.programhash 6c01d5a082338ad8886f99688f9bb2d8dc9ff44e42f9debc383187c3850bc3cd --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 01:11:28,955 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 01:11:29,075 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef8bc7a6-3a84-4d24-8c3a-0221576d8ec9/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-64bit-Taipan_Default.epf [2024-11-09 01:11:29,081 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 01:11:29,082 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 01:11:29,133 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 01:11:29,134 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 01:11:29,134 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 01:11:29,135 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 01:11:29,136 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 01:11:29,136 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 01:11:29,137 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 01:11:29,137 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 01:11:29,138 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 01:11:29,138 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 01:11:29,139 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 01:11:29,139 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 01:11:29,140 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 01:11:29,140 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 01:11:29,141 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 01:11:29,142 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 01:11:29,146 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 01:11:29,147 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 01:11:29,148 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 01:11:29,148 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 01:11:29,148 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 01:11:29,149 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 01:11:29,149 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 01:11:29,149 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 01:11:29,152 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 01:11:29,152 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 01:11:29,153 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 01:11:29,153 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 01:11:29,154 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 01:11:29,155 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 01:11:29,155 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 01:11:29,155 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 01:11:29,156 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:11:29,156 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 01:11:29,157 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 01:11:29,157 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 01:11:29,159 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 01:11:29,159 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 01:11:29,160 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 01:11:29,161 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 01:11:29,161 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 01:11:29,161 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_ef8bc7a6-3a84-4d24-8c3a-0221576d8ec9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef8bc7a6-3a84-4d24-8c3a-0221576d8ec9/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c01d5a082338ad8886f99688f9bb2d8dc9ff44e42f9debc383187c3850bc3cd [2024-11-09 01:11:29,532 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 01:11:29,573 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 01:11:29,577 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 01:11:29,579 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 01:11:29,580 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 01:11:29,583 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef8bc7a6-3a84-4d24-8c3a-0221576d8ec9/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_18_bad.i Unable to find full path for "g++" [2024-11-09 01:11:31,995 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 01:11:32,428 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 01:11:32,429 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef8bc7a6-3a84-4d24-8c3a-0221576d8ec9/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_18_bad.i [2024-11-09 01:11:32,470 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef8bc7a6-3a84-4d24-8c3a-0221576d8ec9/bin/utaipan-verify-YMUCfTKeje/data/de4248c50/d887dead3b2e47df846034964ae65467/FLAGc8b4c719f [2024-11-09 01:11:32,614 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef8bc7a6-3a84-4d24-8c3a-0221576d8ec9/bin/utaipan-verify-YMUCfTKeje/data/de4248c50/d887dead3b2e47df846034964ae65467 [2024-11-09 01:11:32,621 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 01:11:32,624 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 01:11:32,630 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 01:11:32,631 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 01:11:32,645 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 01:11:32,652 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:11:32" (1/1) ... [2024-11-09 01:11:32,653 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f9a16c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:11:32, skipping insertion in model container [2024-11-09 01:11:32,654 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:11:32" (1/1) ... [2024-11-09 01:11:32,746 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 01:11:34,199 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:11:34,230 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 01:11:34,365 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:11:34,614 INFO L204 MainTranslator]: Completed translation [2024-11-09 01:11:34,615 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:11:34 WrapperNode [2024-11-09 01:11:34,615 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 01:11:34,616 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 01:11:34,616 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 01:11:34,617 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 01:11:34,627 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:11:34" (1/1) ... [2024-11-09 01:11:34,670 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:11:34" (1/1) ... [2024-11-09 01:11:34,712 INFO L138 Inliner]: procedures = 498, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 69 [2024-11-09 01:11:34,714 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 01:11:34,715 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 01:11:34,715 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 01:11:34,715 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 01:11:34,728 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:11:34" (1/1) ... [2024-11-09 01:11:34,728 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:11:34" (1/1) ... [2024-11-09 01:11:34,736 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:11:34" (1/1) ... [2024-11-09 01:11:34,736 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:11:34" (1/1) ... [2024-11-09 01:11:34,746 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:11:34" (1/1) ... [2024-11-09 01:11:34,751 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:11:34" (1/1) ... [2024-11-09 01:11:34,756 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:11:34" (1/1) ... [2024-11-09 01:11:34,758 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:11:34" (1/1) ... [2024-11-09 01:11:34,764 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 01:11:34,768 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 01:11:34,769 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 01:11:34,769 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 01:11:34,770 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:11:34" (1/1) ... [2024-11-09 01:11:34,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:11:34,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef8bc7a6-3a84-4d24-8c3a-0221576d8ec9/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:11:34,818 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef8bc7a6-3a84-4d24-8c3a-0221576d8ec9/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 01:11:34,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef8bc7a6-3a84-4d24-8c3a-0221576d8ec9/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 01:11:34,860 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 01:11:34,860 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 01:11:34,861 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 01:11:34,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 01:11:34,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 01:11:34,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 01:11:35,045 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 01:11:35,049 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 01:11:35,196 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-09 01:11:35,196 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 01:11:35,262 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 01:11:35,266 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 01:11:35,266 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:11:35 BoogieIcfgContainer [2024-11-09 01:11:35,267 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 01:11:35,270 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 01:11:35,270 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 01:11:35,276 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 01:11:35,276 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 01:11:32" (1/3) ... [2024-11-09 01:11:35,278 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59360d2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:11:35, skipping insertion in model container [2024-11-09 01:11:35,278 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:11:34" (2/3) ... [2024-11-09 01:11:35,279 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59360d2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:11:35, skipping insertion in model container [2024-11-09 01:11:35,279 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:11:35" (3/3) ... [2024-11-09 01:11:35,283 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_multiply_18_bad.i [2024-11-09 01:11:35,314 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 01:11:35,314 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-09 01:11:35,388 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 01:11:35,395 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;@1758bfeb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 01:11:35,396 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-09 01:11:35,401 INFO L276 IsEmpty]: Start isEmpty. Operand has 18 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 13 states have internal predecessors, (15), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 01:11:35,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 01:11:35,411 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:11:35,413 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:11:35,413 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-09 01:11:35,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:11:35,420 INFO L85 PathProgramCache]: Analyzing trace with hash 1020310669, now seen corresponding path program 1 times [2024-11-09 01:11:35,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:11:35,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051842112] [2024-11-09 01:11:35,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:11:35,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:11:35,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:11:35,693 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 01:11:35,693 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:11:35,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051842112] [2024-11-09 01:11:35,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2051842112] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:11:35,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:11:35,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 01:11:35,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850815550] [2024-11-09 01:11:35,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:11:35,702 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 01:11:35,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:11:35,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 01:11:35,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 01:11:35,737 INFO L87 Difference]: Start difference. First operand has 18 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 13 states have internal predecessors, (15), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 01:11:35,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:11:35,785 INFO L93 Difference]: Finished difference Result 18 states and 21 transitions. [2024-11-09 01:11:35,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 01:11:35,791 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 9 [2024-11-09 01:11:35,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:11:35,800 INFO L225 Difference]: With dead ends: 18 [2024-11-09 01:11:35,801 INFO L226 Difference]: Without dead ends: 13 [2024-11-09 01:11:35,805 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 01:11:35,814 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 1 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 01:11:35,815 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 22 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 01:11:35,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2024-11-09 01:11:35,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2024-11-09 01:11:35,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 9 states have internal predecessors, (10), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 01:11:35,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2024-11-09 01:11:35,867 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2024-11-09 01:11:35,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:11:35,868 INFO L471 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2024-11-09 01:11:35,869 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 01:11:35,869 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2024-11-09 01:11:35,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-09 01:11:35,873 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:11:35,873 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:11:35,873 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 01:11:35,874 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-09 01:11:35,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:11:35,875 INFO L85 PathProgramCache]: Analyzing trace with hash 1564859728, now seen corresponding path program 1 times [2024-11-09 01:11:35,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:11:35,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175217782] [2024-11-09 01:11:35,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:11:35,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:11:35,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 01:11:35,922 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 01:11:35,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 01:11:35,983 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 01:11:35,983 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 01:11:35,985 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-09 01:11:35,988 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-09 01:11:35,989 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 01:11:35,993 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-09 01:11:36,023 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 01:11:36,028 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 01:11:36 BoogieIcfgContainer [2024-11-09 01:11:36,028 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 01:11:36,030 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 01:11:36,030 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 01:11:36,030 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 01:11:36,031 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:11:35" (3/4) ... [2024-11-09 01:11:36,035 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 01:11:36,037 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 01:11:36,041 INFO L158 Benchmark]: Toolchain (without parser) took 3415.49ms. Allocated memory was 151.0MB in the beginning and 203.4MB in the end (delta: 52.4MB). Free memory was 109.5MB in the beginning and 163.2MB in the end (delta: -53.7MB). Peak memory consumption was 464.6kB. Max. memory is 16.1GB. [2024-11-09 01:11:36,042 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 151.0MB. Free memory is still 93.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:11:36,044 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1985.83ms. Allocated memory was 151.0MB in the beginning and 203.4MB in the end (delta: 52.4MB). Free memory was 109.2MB in the beginning and 144.1MB in the end (delta: -34.9MB). Peak memory consumption was 59.5MB. Max. memory is 16.1GB. [2024-11-09 01:11:36,044 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.95ms. Allocated memory is still 203.4MB. Free memory was 144.1MB in the beginning and 141.1MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 01:11:36,045 INFO L158 Benchmark]: Boogie Preprocessor took 52.93ms. Allocated memory is still 203.4MB. Free memory was 141.1MB in the beginning and 139.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 01:11:36,046 INFO L158 Benchmark]: RCFGBuilder took 498.33ms. Allocated memory is still 203.4MB. Free memory was 139.9MB in the beginning and 125.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 01:11:36,046 INFO L158 Benchmark]: TraceAbstraction took 758.75ms. Allocated memory is still 203.4MB. Free memory was 124.3MB in the beginning and 163.2MB in the end (delta: -38.9MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-11-09 01:11:36,048 INFO L158 Benchmark]: Witness Printer took 8.69ms. Allocated memory is still 203.4MB. Free memory is still 163.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:11:36,057 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 151.0MB. Free memory is still 93.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1985.83ms. Allocated memory was 151.0MB in the beginning and 203.4MB in the end (delta: 52.4MB). Free memory was 109.2MB in the beginning and 144.1MB in the end (delta: -34.9MB). Peak memory consumption was 59.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.95ms. Allocated memory is still 203.4MB. Free memory was 144.1MB in the beginning and 141.1MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.93ms. Allocated memory is still 203.4MB. Free memory was 141.1MB in the beginning and 139.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 498.33ms. Allocated memory is still 203.4MB. Free memory was 139.9MB in the beginning and 125.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 758.75ms. Allocated memory is still 203.4MB. Free memory was 124.3MB in the beginning and 163.2MB in the end (delta: -38.9MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Witness Printer took 8.69ms. Allocated memory is still 203.4MB. Free memory is still 163.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1569]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558, overapproximation of large string literal at line 1576, overapproximation of fgets at line 1556. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1576] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1576] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1577] CALL CWE190_Integer_Overflow__int_fgets_multiply_18_bad() [L1550] int data; [L1551] data = 0 [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] data = atoi(inputBuffer) [L1567] COND TRUE data > 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1569]: 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 2 procedures, 18 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 22 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16 IncrementalHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 13 mSDtfsCounter, 16 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 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 could not prove your program: unable to determine feasibility of some traces [2024-11-09 01:11:36,098 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef8bc7a6-3a84-4d24-8c3a-0221576d8ec9/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_ef8bc7a6-3a84-4d24-8c3a-0221576d8ec9/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef8bc7a6-3a84-4d24-8c3a-0221576d8ec9/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_ef8bc7a6-3a84-4d24-8c3a-0221576d8ec9/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef8bc7a6-3a84-4d24-8c3a-0221576d8ec9/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_18_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef8bc7a6-3a84-4d24-8c3a-0221576d8ec9/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef8bc7a6-3a84-4d24-8c3a-0221576d8ec9/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 64bit --witnessprinter.graph.data.programhash 6c01d5a082338ad8886f99688f9bb2d8dc9ff44e42f9debc383187c3850bc3cd --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 01:11:39,004 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 01:11:39,123 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef8bc7a6-3a84-4d24-8c3a-0221576d8ec9/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2024-11-09 01:11:39,132 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 01:11:39,133 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 01:11:39,182 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 01:11:39,182 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 01:11:39,184 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 01:11:39,186 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 01:11:39,187 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 01:11:39,188 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 01:11:39,189 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 01:11:39,190 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 01:11:39,190 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 01:11:39,193 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 01:11:39,194 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 01:11:39,195 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 01:11:39,195 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 01:11:39,195 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 01:11:39,196 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 01:11:39,196 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 01:11:39,201 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 01:11:39,201 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 01:11:39,202 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 01:11:39,202 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 01:11:39,202 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 01:11:39,202 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 01:11:39,203 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 01:11:39,203 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 01:11:39,203 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 01:11:39,204 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 01:11:39,206 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 01:11:39,206 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 01:11:39,206 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 01:11:39,208 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:11:39,208 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 01:11:39,209 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 01:11:39,209 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 01:11:39,210 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 01:11:39,210 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 01:11:39,210 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 01:11:39,211 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 01:11:39,212 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_ef8bc7a6-3a84-4d24-8c3a-0221576d8ec9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef8bc7a6-3a84-4d24-8c3a-0221576d8ec9/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c01d5a082338ad8886f99688f9bb2d8dc9ff44e42f9debc383187c3850bc3cd [2024-11-09 01:11:39,738 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 01:11:39,775 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 01:11:39,778 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 01:11:39,780 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 01:11:39,780 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 01:11:39,782 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef8bc7a6-3a84-4d24-8c3a-0221576d8ec9/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_18_bad.i Unable to find full path for "g++" [2024-11-09 01:11:42,254 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 01:11:42,886 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 01:11:42,888 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef8bc7a6-3a84-4d24-8c3a-0221576d8ec9/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_18_bad.i [2024-11-09 01:11:42,929 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef8bc7a6-3a84-4d24-8c3a-0221576d8ec9/bin/utaipan-verify-YMUCfTKeje/data/d07422c24/c5e6c973a1e344c5ba3d053fb4ea3be7/FLAGe490d390d [2024-11-09 01:11:43,349 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef8bc7a6-3a84-4d24-8c3a-0221576d8ec9/bin/utaipan-verify-YMUCfTKeje/data/d07422c24/c5e6c973a1e344c5ba3d053fb4ea3be7 [2024-11-09 01:11:43,352 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 01:11:43,354 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 01:11:43,356 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 01:11:43,356 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 01:11:43,363 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 01:11:43,364 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:11:43" (1/1) ... [2024-11-09 01:11:43,369 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2519b5e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:11:43, skipping insertion in model container [2024-11-09 01:11:43,369 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:11:43" (1/1) ... [2024-11-09 01:11:43,480 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 01:11:45,021 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:11:45,039 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 01:11:45,174 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:11:45,360 INFO L204 MainTranslator]: Completed translation [2024-11-09 01:11:45,360 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:11:45 WrapperNode [2024-11-09 01:11:45,361 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 01:11:45,362 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 01:11:45,362 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 01:11:45,362 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 01:11:45,372 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:11:45" (1/1) ... [2024-11-09 01:11:45,405 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:11:45" (1/1) ... [2024-11-09 01:11:45,443 INFO L138 Inliner]: procedures = 503, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 68 [2024-11-09 01:11:45,445 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 01:11:45,447 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 01:11:45,449 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 01:11:45,449 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 01:11:45,461 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:11:45" (1/1) ... [2024-11-09 01:11:45,462 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:11:45" (1/1) ... [2024-11-09 01:11:45,468 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:11:45" (1/1) ... [2024-11-09 01:11:45,469 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:11:45" (1/1) ... [2024-11-09 01:11:45,482 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:11:45" (1/1) ... [2024-11-09 01:11:45,486 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:11:45" (1/1) ... [2024-11-09 01:11:45,491 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:11:45" (1/1) ... [2024-11-09 01:11:45,493 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:11:45" (1/1) ... [2024-11-09 01:11:45,497 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 01:11:45,499 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 01:11:45,499 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 01:11:45,499 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 01:11:45,500 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:11:45" (1/1) ... [2024-11-09 01:11:45,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:11:45,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef8bc7a6-3a84-4d24-8c3a-0221576d8ec9/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:11:45,535 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef8bc7a6-3a84-4d24-8c3a-0221576d8ec9/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 01:11:45,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef8bc7a6-3a84-4d24-8c3a-0221576d8ec9/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 01:11:45,589 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 01:11:45,589 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 01:11:45,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 01:11:45,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 01:11:45,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 01:11:45,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 01:11:45,823 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 01:11:45,825 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 01:11:46,009 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-09 01:11:46,009 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 01:11:46,030 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 01:11:46,031 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 01:11:46,032 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:11:46 BoogieIcfgContainer [2024-11-09 01:11:46,032 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 01:11:46,034 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 01:11:46,034 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 01:11:46,040 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 01:11:46,040 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 01:11:43" (1/3) ... [2024-11-09 01:11:46,041 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f14bbca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:11:46, skipping insertion in model container [2024-11-09 01:11:46,042 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:11:45" (2/3) ... [2024-11-09 01:11:46,044 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f14bbca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:11:46, skipping insertion in model container [2024-11-09 01:11:46,044 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:11:46" (3/3) ... [2024-11-09 01:11:46,047 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_multiply_18_bad.i [2024-11-09 01:11:46,072 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 01:11:46,072 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-09 01:11:46,175 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 01:11:46,185 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;@135acebb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 01:11:46,185 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-09 01:11:46,189 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 20 states have internal predecessors, (23), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 01:11:46,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 01:11:46,201 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:11:46,202 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:11:46,203 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-09 01:11:46,210 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:11:46,210 INFO L85 PathProgramCache]: Analyzing trace with hash 1713353881, now seen corresponding path program 1 times [2024-11-09 01:11:46,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 01:11:46,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [395545901] [2024-11-09 01:11:46,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:11:46,229 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 01:11:46,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef8bc7a6-3a84-4d24-8c3a-0221576d8ec9/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 01:11:46,231 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef8bc7a6-3a84-4d24-8c3a-0221576d8ec9/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 01:11:46,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef8bc7a6-3a84-4d24-8c3a-0221576d8ec9/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-09 01:11:46,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:11:46,427 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 01:11:46,433 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:11:46,497 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 01:11:46,498 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 01:11:46,498 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 01:11:46,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [395545901] [2024-11-09 01:11:46,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [395545901] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:11:46,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:11:46,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 01:11:46,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794184604] [2024-11-09 01:11:46,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:11:46,509 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 01:11:46,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 01:11:46,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 01:11:46,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 01:11:46,545 INFO L87 Difference]: Start difference. First operand has 25 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 20 states have internal predecessors, (23), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 01:11:46,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:11:46,592 INFO L93 Difference]: Finished difference Result 25 states and 29 transitions. [2024-11-09 01:11:46,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 01:11:46,595 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2024-11-09 01:11:46,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:11:46,604 INFO L225 Difference]: With dead ends: 25 [2024-11-09 01:11:46,605 INFO L226 Difference]: Without dead ends: 17 [2024-11-09 01:11:46,608 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 01:11:46,616 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 1 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 01:11:46,617 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 45 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 01:11:46,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2024-11-09 01:11:46,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2024-11-09 01:11:46,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 13 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 01:11:46,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2024-11-09 01:11:46,666 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 19 transitions. Word has length 13 [2024-11-09 01:11:46,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:11:46,668 INFO L471 AbstractCegarLoop]: Abstraction has 17 states and 19 transitions. [2024-11-09 01:11:46,669 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 01:11:46,669 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2024-11-09 01:11:46,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-09 01:11:46,672 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:11:46,673 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:11:46,679 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef8bc7a6-3a84-4d24-8c3a-0221576d8ec9/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-09 01:11:46,873 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef8bc7a6-3a84-4d24-8c3a-0221576d8ec9/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 01:11:46,874 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-09 01:11:46,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:11:46,875 INFO L85 PathProgramCache]: Analyzing trace with hash 1574362820, now seen corresponding path program 1 times [2024-11-09 01:11:46,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 01:11:46,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [120495226] [2024-11-09 01:11:46,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:11:46,877 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 01:11:46,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef8bc7a6-3a84-4d24-8c3a-0221576d8ec9/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 01:11:46,885 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef8bc7a6-3a84-4d24-8c3a-0221576d8ec9/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 01:11:46,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef8bc7a6-3a84-4d24-8c3a-0221576d8ec9/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-09 01:11:47,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 01:11:47,044 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 01:11:47,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 01:11:47,145 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2024-11-09 01:11:47,145 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 01:11:47,147 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-09 01:11:47,154 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-09 01:11:47,169 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef8bc7a6-3a84-4d24-8c3a-0221576d8ec9/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-09 01:11:47,358 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef8bc7a6-3a84-4d24-8c3a-0221576d8ec9/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 01:11:47,363 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-09 01:11:47,405 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 01:11:47,411 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 01:11:47 BoogieIcfgContainer [2024-11-09 01:11:47,411 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 01:11:47,412 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 01:11:47,412 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 01:11:47,413 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 01:11:47,413 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:11:46" (3/4) ... [2024-11-09 01:11:47,417 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 01:11:47,418 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 01:11:47,419 INFO L158 Benchmark]: Toolchain (without parser) took 4065.25ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 47.2MB in the beginning and 32.5MB in the end (delta: 14.8MB). Peak memory consumption was 33.5MB. Max. memory is 16.1GB. [2024-11-09 01:11:47,420 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 75.5MB. Free memory was 51.6MB in the beginning and 51.5MB in the end (delta: 94.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:11:47,421 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2005.35ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 47.0MB in the beginning and 60.8MB in the end (delta: -13.8MB). Peak memory consumption was 30.0MB. Max. memory is 16.1GB. [2024-11-09 01:11:47,422 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.42ms. Allocated memory is still 92.3MB. Free memory was 60.8MB in the beginning and 57.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 01:11:47,422 INFO L158 Benchmark]: Boogie Preprocessor took 50.80ms. Allocated memory is still 92.3MB. Free memory was 57.7MB in the beginning and 56.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 01:11:47,423 INFO L158 Benchmark]: RCFGBuilder took 533.41ms. Allocated memory is still 92.3MB. Free memory was 55.7MB in the beginning and 41.5MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 01:11:47,424 INFO L158 Benchmark]: TraceAbstraction took 1377.17ms. Allocated memory is still 92.3MB. Free memory was 41.0MB in the beginning and 33.0MB in the end (delta: 7.9MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2024-11-09 01:11:47,425 INFO L158 Benchmark]: Witness Printer took 6.33ms. Allocated memory is still 92.3MB. Free memory was 33.0MB in the beginning and 32.5MB in the end (delta: 560.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 01:11:47,429 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 75.5MB. Free memory was 51.6MB in the beginning and 51.5MB in the end (delta: 94.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2005.35ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 47.0MB in the beginning and 60.8MB in the end (delta: -13.8MB). Peak memory consumption was 30.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.42ms. Allocated memory is still 92.3MB. Free memory was 60.8MB in the beginning and 57.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.80ms. Allocated memory is still 92.3MB. Free memory was 57.7MB in the beginning and 56.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 533.41ms. Allocated memory is still 92.3MB. Free memory was 55.7MB in the beginning and 41.5MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1377.17ms. Allocated memory is still 92.3MB. Free memory was 41.0MB in the beginning and 33.0MB in the end (delta: 7.9MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. * Witness Printer took 6.33ms. Allocated memory is still 92.3MB. Free memory was 33.0MB in the beginning and 32.5MB in the end (delta: 560.7kB). 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 - UnprovableResult [Line: 1569]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558, overapproximation of large string literal at line 1576, overapproximation of fgets at line 1556. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1576] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1576] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1577] CALL CWE190_Integer_Overflow__int_fgets_multiply_18_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] data = atoi(inputBuffer) [L1567] COND TRUE data > 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1569]: 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 2 procedures, 25 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 45 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 20 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 25 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred 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: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 14 SizeOfPredicates, 0 NumberOfNonLiveVariables, 59 ConjunctsInSsa, 2 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 could not prove your program: unable to determine feasibility of some traces [2024-11-09 01:11:47,472 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef8bc7a6-3a84-4d24-8c3a-0221576d8ec9/bin/utaipan-verify-YMUCfTKeje/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 Result: UNKNOWN: Overapproximated counterexample