./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_add_65_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54ecde5c-d29f-4ac1-8bd7-c2f9266747c5/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54ecde5c-d29f-4ac1-8bd7-c2f9266747c5/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_54ecde5c-d29f-4ac1-8bd7-c2f9266747c5/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54ecde5c-d29f-4ac1-8bd7-c2f9266747c5/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_add_65_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54ecde5c-d29f-4ac1-8bd7-c2f9266747c5/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54ecde5c-d29f-4ac1-8bd7-c2f9266747c5/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 64bit --witnessprinter.graph.data.programhash b69b9773b8cb81f2275107f6e6b02e9f1f68cef1c50d6d1da9b13b0711f63e2a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:20:39,227 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:20:39,308 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54ecde5c-d29f-4ac1-8bd7-c2f9266747c5/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Overflow-64bit-Taipan_Default.epf [2023-11-24 23:20:39,315 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:20:39,315 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:20:39,350 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:20:39,351 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:20:39,352 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:20:39,354 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:20:39,359 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:20:39,360 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:20:39,360 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:20:39,361 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:20:39,363 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:20:39,363 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:20:39,364 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:20:39,364 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:20:39,365 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:20:39,365 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:20:39,366 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:20:39,368 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:20:39,369 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:20:39,373 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:20:39,373 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:20:39,374 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:20:39,374 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:20:39,375 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:20:39,375 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:20:39,376 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:20:39,376 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:20:39,378 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:20:39,378 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:20:39,378 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:20:39,379 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:20:39,379 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:20:39,379 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:20:39,380 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:20:39,380 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:20:39,380 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:20:39,381 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:20:39,381 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:20:39,382 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:20:39,382 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:20:39,382 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:20:39,383 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:20:39,383 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:20:39,384 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_54ecde5c-d29f-4ac1-8bd7-c2f9266747c5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54ecde5c-d29f-4ac1-8bd7-c2f9266747c5/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b69b9773b8cb81f2275107f6e6b02e9f1f68cef1c50d6d1da9b13b0711f63e2a [2023-11-24 23:20:39,689 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:20:39,727 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:20:39,730 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:20:39,731 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:20:39,733 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:20:39,735 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54ecde5c-d29f-4ac1-8bd7-c2f9266747c5/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_add_65_bad.i [2023-11-24 23:20:42,975 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:20:43,440 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:20:43,441 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54ecde5c-d29f-4ac1-8bd7-c2f9266747c5/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_add_65_bad.i [2023-11-24 23:20:43,480 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54ecde5c-d29f-4ac1-8bd7-c2f9266747c5/bin/utaipan-verify-SwPr7d2a91/data/c0a77dc8b/2f828dc0c9354420a78822e6565ba4fe/FLAGaf2cb1279 [2023-11-24 23:20:43,498 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54ecde5c-d29f-4ac1-8bd7-c2f9266747c5/bin/utaipan-verify-SwPr7d2a91/data/c0a77dc8b/2f828dc0c9354420a78822e6565ba4fe [2023-11-24 23:20:43,502 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:20:43,504 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:20:43,505 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:20:43,506 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:20:43,512 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:20:43,513 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:20:43" (1/1) ... [2023-11-24 23:20:43,515 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e57ee6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:43, skipping insertion in model container [2023-11-24 23:20:43,515 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:20:43" (1/1) ... [2023-11-24 23:20:43,596 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:20:44,745 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:20:44,766 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:20:44,916 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:20:45,104 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:20:45,104 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:20:45,104 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:20:45,105 WARN L675 CHandler]: The function funcPtr is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:20:45,105 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:20:45,113 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:20:45,114 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:45 WrapperNode [2023-11-24 23:20:45,114 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:20:45,115 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:20:45,115 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:20:45,116 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:20:45,124 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:45" (1/1) ... [2023-11-24 23:20:45,164 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:45" (1/1) ... [2023-11-24 23:20:45,207 INFO L138 Inliner]: procedures = 500, calls = 57, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 45 [2023-11-24 23:20:45,208 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:20:45,209 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:20:45,209 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:20:45,210 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:20:45,219 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:45" (1/1) ... [2023-11-24 23:20:45,220 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:45" (1/1) ... [2023-11-24 23:20:45,236 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:45" (1/1) ... [2023-11-24 23:20:45,242 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:45" (1/1) ... [2023-11-24 23:20:45,248 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:45" (1/1) ... [2023-11-24 23:20:45,261 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:45" (1/1) ... [2023-11-24 23:20:45,263 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:45" (1/1) ... [2023-11-24 23:20:45,265 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:45" (1/1) ... [2023-11-24 23:20:45,267 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:20:45,268 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:20:45,269 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:20:45,269 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:20:45,270 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:45" (1/1) ... [2023-11-24 23:20:45,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:20:45,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54ecde5c-d29f-4ac1-8bd7-c2f9266747c5/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:20:45,307 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54ecde5c-d29f-4ac1-8bd7-c2f9266747c5/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:20:45,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54ecde5c-d29f-4ac1-8bd7-c2f9266747c5/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:20:45,354 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 23:20:45,355 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 23:20:45,355 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:20:45,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:20:45,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:20:45,356 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 23:20:45,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:20:45,521 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:20:45,523 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:20:45,633 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:20:45,675 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:20:45,675 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:20:45,677 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:20:45 BoogieIcfgContainer [2023-11-24 23:20:45,677 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:20:45,680 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:20:45,680 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:20:45,683 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:20:45,683 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:20:43" (1/3) ... [2023-11-24 23:20:45,684 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@707085be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:20:45, skipping insertion in model container [2023-11-24 23:20:45,684 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:45" (2/3) ... [2023-11-24 23:20:45,685 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@707085be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:20:45, skipping insertion in model container [2023-11-24 23:20:45,685 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:20:45" (3/3) ... [2023-11-24 23:20:45,686 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_max_add_65_bad.i [2023-11-24 23:20:45,706 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:20:45,706 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-24 23:20:45,750 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:20:45,757 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;@1098d258, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:20:45,758 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-24 23:20:45,761 INFO L276 IsEmpty]: Start isEmpty. Operand has 12 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 8 states have internal predecessors, (8), 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) [2023-11-24 23:20:45,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:20:45,767 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:20:45,768 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-24 23:20:45,768 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-24 23:20:45,774 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:20:45,774 INFO L85 PathProgramCache]: Analyzing trace with hash 1889911634, now seen corresponding path program 1 times [2023-11-24 23:20:45,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:20:45,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088186202] [2023-11-24 23:20:45,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:20:45,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:20:45,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:20:46,264 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 23:20:46,265 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:20:46,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088186202] [2023-11-24 23:20:46,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088186202] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:20:46,267 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:20:46,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 23:20:46,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267190494] [2023-11-24 23:20:46,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:20:46,276 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:20:46,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:20:46,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:20:46,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:20:46,328 INFO L87 Difference]: Start difference. First operand has 12 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 8 states have internal predecessors, (8), 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) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2023-11-24 23:20:46,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:20:46,367 INFO L93 Difference]: Finished difference Result 14 states and 13 transitions. [2023-11-24 23:20:46,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 23:20:46,370 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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 6 [2023-11-24 23:20:46,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:20:46,379 INFO L225 Difference]: With dead ends: 14 [2023-11-24 23:20:46,379 INFO L226 Difference]: Without dead ends: 8 [2023-11-24 23:20:46,382 INFO L412 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 [2023-11-24 23:20:46,387 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 2 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-24 23:20:46,388 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 5 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-24 23:20:46,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2023-11-24 23:20:46,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2023-11-24 23:20:46,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 5 states have (on average 1.0) internal successors, (5), 5 states have internal predecessors, (5), 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) [2023-11-24 23:20:46,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 7 transitions. [2023-11-24 23:20:46,420 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 7 transitions. Word has length 6 [2023-11-24 23:20:46,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:20:46,421 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 7 transitions. [2023-11-24 23:20:46,421 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2023-11-24 23:20:46,421 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2023-11-24 23:20:46,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:20:46,422 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:20:46,422 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:20:46,423 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-24 23:20:46,425 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-24 23:20:46,426 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:20:46,426 INFO L85 PathProgramCache]: Analyzing trace with hash -1542281444, now seen corresponding path program 1 times [2023-11-24 23:20:46,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:20:46,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982543700] [2023-11-24 23:20:46,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:20:46,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:20:46,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:20:46,486 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:20:46,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:20:46,551 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-24 23:20:46,551 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-24 23:20:46,554 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2023-11-24 23:20:46,557 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2023-11-24 23:20:46,558 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-24 23:20:46,561 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-24 23:20:46,565 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-24 23:20:46,589 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet100 [2023-11-24 23:20:46,606 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 11:20:46 BoogieIcfgContainer [2023-11-24 23:20:46,606 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-24 23:20:46,608 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:20:46,608 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:20:46,608 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:20:46,609 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:20:45" (3/4) ... [2023-11-24 23:20:46,611 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:20:46,613 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:20:46,614 INFO L158 Benchmark]: Toolchain (without parser) took 3110.06ms. Allocated memory is still 182.5MB. Free memory was 142.7MB in the beginning and 75.5MB in the end (delta: 67.2MB). Peak memory consumption was 69.8MB. Max. memory is 16.1GB. [2023-11-24 23:20:46,614 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 132.1MB. Free memory is still 75.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:20:46,615 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1609.03ms. Allocated memory is still 182.5MB. Free memory was 142.7MB in the beginning and 127.0MB in the end (delta: 15.7MB). Peak memory consumption was 51.0MB. Max. memory is 16.1GB. [2023-11-24 23:20:46,619 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.86ms. Allocated memory is still 182.5MB. Free memory was 127.0MB in the beginning and 123.7MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:20:46,620 INFO L158 Benchmark]: Boogie Preprocessor took 59.06ms. Allocated memory is still 182.5MB. Free memory was 123.7MB in the beginning and 122.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:20:46,623 INFO L158 Benchmark]: RCFGBuilder took 408.91ms. Allocated memory is still 182.5MB. Free memory was 122.7MB in the beginning and 108.1MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 23:20:46,623 INFO L158 Benchmark]: TraceAbstraction took 927.29ms. Allocated memory is still 182.5MB. Free memory was 107.0MB in the beginning and 75.5MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-24 23:20:46,624 INFO L158 Benchmark]: Witness Printer took 4.85ms. Allocated memory is still 182.5MB. Free memory is still 75.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:20:46,631 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 132.1MB. Free memory is still 75.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1609.03ms. Allocated memory is still 182.5MB. Free memory was 142.7MB in the beginning and 127.0MB in the end (delta: 15.7MB). Peak memory consumption was 51.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.86ms. Allocated memory is still 182.5MB. Free memory was 127.0MB in the beginning and 123.7MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.06ms. Allocated memory is still 182.5MB. Free memory was 123.7MB in the beginning and 122.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 408.91ms. Allocated memory is still 182.5MB. Free memory was 122.7MB in the beginning and 108.1MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 927.29ms. Allocated memory is still 182.5MB. Free memory was 107.0MB in the beginning and 75.5MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Witness Printer took 4.85ms. Allocated memory is still 182.5MB. Free memory is still 75.5MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet100 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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: 1568]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1560. 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); [L1560] CALL 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, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1560] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=2147483648, argc=2147483648, argv={2147483650:2147483649}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1561] CALL CWE190_Integer_Overflow__int_max_add_65_bad() [L1551] int data; [L1552] void (*funcPtr) (int) = CWE190_Integer_Overflow__int_max_add_65b_badSink; [L1553] data = 0 [L1554] data = 0x7fffffff [L1555] CALL funcPtr(data) [L1568] data + 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=2147483647, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1568]: 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, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 3 mSDtfsCounter, 6 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=12occurred 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, 0.3s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 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 [2023-11-24 23:20:46,655 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54ecde5c-d29f-4ac1-8bd7-c2f9266747c5/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54ecde5c-d29f-4ac1-8bd7-c2f9266747c5/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54ecde5c-d29f-4ac1-8bd7-c2f9266747c5/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_54ecde5c-d29f-4ac1-8bd7-c2f9266747c5/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54ecde5c-d29f-4ac1-8bd7-c2f9266747c5/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_add_65_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54ecde5c-d29f-4ac1-8bd7-c2f9266747c5/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54ecde5c-d29f-4ac1-8bd7-c2f9266747c5/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 64bit --witnessprinter.graph.data.programhash b69b9773b8cb81f2275107f6e6b02e9f1f68cef1c50d6d1da9b13b0711f63e2a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:20:49,200 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:20:49,326 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54ecde5c-d29f-4ac1-8bd7-c2f9266747c5/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2023-11-24 23:20:49,335 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:20:49,336 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:20:49,381 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:20:49,383 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:20:49,383 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:20:49,384 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:20:49,389 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:20:49,390 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:20:49,390 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:20:49,390 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:20:49,392 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:20:49,392 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:20:49,393 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:20:49,394 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:20:49,394 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:20:49,395 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:20:49,395 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:20:49,395 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:20:49,396 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:20:49,396 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:20:49,397 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:20:49,397 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:20:49,398 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:20:49,398 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:20:49,398 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:20:49,399 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:20:49,399 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:20:49,401 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-24 23:20:49,401 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:20:49,401 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:20:49,402 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:20:49,402 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:20:49,402 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:20:49,403 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:20:49,403 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:20:49,403 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:20:49,404 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:20:49,404 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:20:49,405 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:20:49,405 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:20:49,405 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_54ecde5c-d29f-4ac1-8bd7-c2f9266747c5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54ecde5c-d29f-4ac1-8bd7-c2f9266747c5/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b69b9773b8cb81f2275107f6e6b02e9f1f68cef1c50d6d1da9b13b0711f63e2a [2023-11-24 23:20:49,805 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:20:49,830 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:20:49,833 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:20:49,834 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:20:49,839 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:20:49,840 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54ecde5c-d29f-4ac1-8bd7-c2f9266747c5/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_add_65_bad.i [2023-11-24 23:20:53,000 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:20:53,527 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:20:53,528 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54ecde5c-d29f-4ac1-8bd7-c2f9266747c5/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_add_65_bad.i [2023-11-24 23:20:53,563 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54ecde5c-d29f-4ac1-8bd7-c2f9266747c5/bin/utaipan-verify-SwPr7d2a91/data/218903dd6/85c4485c62d344b29be04752c47cb39b/FLAG998bc4705 [2023-11-24 23:20:53,577 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54ecde5c-d29f-4ac1-8bd7-c2f9266747c5/bin/utaipan-verify-SwPr7d2a91/data/218903dd6/85c4485c62d344b29be04752c47cb39b [2023-11-24 23:20:53,580 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:20:53,581 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:20:53,583 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:20:53,583 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:20:53,588 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:20:53,589 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:20:53" (1/1) ... [2023-11-24 23:20:53,590 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6676c72e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:53, skipping insertion in model container [2023-11-24 23:20:53,590 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:20:53" (1/1) ... [2023-11-24 23:20:53,663 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:20:54,756 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:20:54,778 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:20:54,900 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:20:55,063 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:20:55,064 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:20:55,064 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:20:55,064 WARN L675 CHandler]: The function funcPtr is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:20:55,064 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:20:55,072 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:20:55,073 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:55 WrapperNode [2023-11-24 23:20:55,073 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:20:55,074 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:20:55,075 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:20:55,075 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:20:55,082 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:55" (1/1) ... [2023-11-24 23:20:55,113 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:55" (1/1) ... [2023-11-24 23:20:55,142 INFO L138 Inliner]: procedures = 505, calls = 57, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 45 [2023-11-24 23:20:55,143 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:20:55,143 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:20:55,144 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:20:55,144 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:20:55,153 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:55" (1/1) ... [2023-11-24 23:20:55,154 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:55" (1/1) ... [2023-11-24 23:20:55,158 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:55" (1/1) ... [2023-11-24 23:20:55,158 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:55" (1/1) ... [2023-11-24 23:20:55,182 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:55" (1/1) ... [2023-11-24 23:20:55,195 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:55" (1/1) ... [2023-11-24 23:20:55,198 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:55" (1/1) ... [2023-11-24 23:20:55,206 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:55" (1/1) ... [2023-11-24 23:20:55,210 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:20:55,220 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:20:55,220 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:20:55,220 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:20:55,221 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:55" (1/1) ... [2023-11-24 23:20:55,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:20:55,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54ecde5c-d29f-4ac1-8bd7-c2f9266747c5/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:20:55,268 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54ecde5c-d29f-4ac1-8bd7-c2f9266747c5/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:20:55,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54ecde5c-d29f-4ac1-8bd7-c2f9266747c5/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:20:55,312 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 23:20:55,312 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 23:20:55,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:20:55,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:20:55,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:20:55,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:20:55,313 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 23:20:55,521 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:20:55,524 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:20:55,636 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:20:55,673 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:20:55,674 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:20:55,674 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:20:55 BoogieIcfgContainer [2023-11-24 23:20:55,674 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:20:55,676 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:20:55,677 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:20:55,680 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:20:55,681 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:20:53" (1/3) ... [2023-11-24 23:20:55,682 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23d9eb4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:20:55, skipping insertion in model container [2023-11-24 23:20:55,682 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:55" (2/3) ... [2023-11-24 23:20:55,684 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23d9eb4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:20:55, skipping insertion in model container [2023-11-24 23:20:55,684 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:20:55" (3/3) ... [2023-11-24 23:20:55,685 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_max_add_65_bad.i [2023-11-24 23:20:55,727 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:20:55,728 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-24 23:20:55,775 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:20:55,782 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;@8d8ae93, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:20:55,783 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-24 23:20:55,789 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 8 states have (on average 1.375) internal successors, (11), 10 states have internal predecessors, (11), 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) [2023-11-24 23:20:55,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:20:55,798 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:20:55,799 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:20:55,800 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-24 23:20:55,809 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:20:55,810 INFO L85 PathProgramCache]: Analyzing trace with hash -1823129287, now seen corresponding path program 1 times [2023-11-24 23:20:55,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:20:55,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [744142839] [2023-11-24 23:20:55,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:20:55,828 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 [2023-11-24 23:20:55,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54ecde5c-d29f-4ac1-8bd7-c2f9266747c5/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:20:55,833 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54ecde5c-d29f-4ac1-8bd7-c2f9266747c5/bin/utaipan-verify-SwPr7d2a91/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) [2023-11-24 23:20:55,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54ecde5c-d29f-4ac1-8bd7-c2f9266747c5/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:20:55,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:20:55,998 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:20:56,003 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:20:56,034 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 23:20:56,035 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:20:56,035 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:20:56,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [744142839] [2023-11-24 23:20:56,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [744142839] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:20:56,037 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:20:56,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-24 23:20:56,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361134275] [2023-11-24 23:20:56,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:20:56,046 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-24 23:20:56,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:20:56,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-24 23:20:56,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 23:20:56,089 INFO L87 Difference]: Start difference. First operand has 14 states, 8 states have (on average 1.375) internal successors, (11), 10 states have internal predecessors, (11), 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) Second operand has 2 states, 1 states have (on average 6.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2023-11-24 23:20:56,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:20:56,120 INFO L93 Difference]: Finished difference Result 14 states and 15 transitions. [2023-11-24 23:20:56,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 23:20:56,123 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 6.0) internal successors, (6), 2 states have internal predecessors, (6), 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 8 [2023-11-24 23:20:56,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:20:56,130 INFO L225 Difference]: With dead ends: 14 [2023-11-24 23:20:56,130 INFO L226 Difference]: Without dead ends: 10 [2023-11-24 23:20:56,134 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 23:20:56,138 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-24 23:20:56,140 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 11 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-24 23:20:56,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2023-11-24 23:20:56,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2023-11-24 23:20:56,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 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) [2023-11-24 23:20:56,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2023-11-24 23:20:56,175 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 8 [2023-11-24 23:20:56,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:20:56,176 INFO L495 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2023-11-24 23:20:56,176 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 6.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2023-11-24 23:20:56,177 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2023-11-24 23:20:56,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 23:20:56,177 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:20:56,178 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:20:56,185 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54ecde5c-d29f-4ac1-8bd7-c2f9266747c5/bin/utaipan-verify-SwPr7d2a91/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)] Forceful destruction successful, exit code 0 [2023-11-24 23:20:56,381 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54ecde5c-d29f-4ac1-8bd7-c2f9266747c5/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:20:56,382 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-24 23:20:56,383 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:20:56,383 INFO L85 PathProgramCache]: Analyzing trace with hash -682433003, now seen corresponding path program 1 times [2023-11-24 23:20:56,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:20:56,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1976442329] [2023-11-24 23:20:56,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:20:56,383 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 [2023-11-24 23:20:56,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54ecde5c-d29f-4ac1-8bd7-c2f9266747c5/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:20:56,385 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54ecde5c-d29f-4ac1-8bd7-c2f9266747c5/bin/utaipan-verify-SwPr7d2a91/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) [2023-11-24 23:20:56,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54ecde5c-d29f-4ac1-8bd7-c2f9266747c5/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:20:56,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:20:56,501 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:20:56,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:20:56,553 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2023-11-24 23:20:56,554 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-24 23:20:56,555 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2023-11-24 23:20:56,557 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2023-11-24 23:20:56,566 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54ecde5c-d29f-4ac1-8bd7-c2f9266747c5/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:20:56,758 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54ecde5c-d29f-4ac1-8bd7-c2f9266747c5/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:20:56,766 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-24 23:20:56,772 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-24 23:20:56,803 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet98 [2023-11-24 23:20:56,814 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 11:20:56 BoogieIcfgContainer [2023-11-24 23:20:56,814 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-24 23:20:56,815 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:20:56,815 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:20:56,815 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:20:56,815 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:20:55" (3/4) ... [2023-11-24 23:20:56,817 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:20:56,818 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:20:56,821 INFO L158 Benchmark]: Toolchain (without parser) took 3237.61ms. Allocated memory was 90.2MB in the beginning and 119.5MB in the end (delta: 29.4MB). Free memory was 62.9MB in the beginning and 63.6MB in the end (delta: -729.7kB). Peak memory consumption was 29.6MB. Max. memory is 16.1GB. [2023-11-24 23:20:56,821 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 90.2MB. Free memory was 65.8MB in the beginning and 65.7MB in the end (delta: 86.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:20:56,825 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1490.71ms. Allocated memory was 90.2MB in the beginning and 119.5MB in the end (delta: 29.4MB). Free memory was 62.6MB in the beginning and 78.6MB in the end (delta: -16.0MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. [2023-11-24 23:20:56,829 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.43ms. Allocated memory is still 119.5MB. Free memory was 78.6MB in the beginning and 75.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:20:56,830 INFO L158 Benchmark]: Boogie Preprocessor took 75.56ms. Allocated memory is still 119.5MB. Free memory was 75.5MB in the beginning and 73.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:20:56,830 INFO L158 Benchmark]: RCFGBuilder took 454.69ms. Allocated memory is still 119.5MB. Free memory was 73.4MB in the beginning and 58.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 23:20:56,831 INFO L158 Benchmark]: TraceAbstraction took 1137.65ms. Allocated memory is still 119.5MB. Free memory was 58.2MB in the beginning and 63.6MB in the end (delta: -5.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:20:56,831 INFO L158 Benchmark]: Witness Printer took 3.87ms. Allocated memory is still 119.5MB. Free memory is still 63.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:20:56,839 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 90.2MB. Free memory was 65.8MB in the beginning and 65.7MB in the end (delta: 86.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1490.71ms. Allocated memory was 90.2MB in the beginning and 119.5MB in the end (delta: 29.4MB). Free memory was 62.6MB in the beginning and 78.6MB in the end (delta: -16.0MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.43ms. Allocated memory is still 119.5MB. Free memory was 78.6MB in the beginning and 75.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.56ms. Allocated memory is still 119.5MB. Free memory was 75.5MB in the beginning and 73.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 454.69ms. Allocated memory is still 119.5MB. Free memory was 73.4MB in the beginning and 58.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1137.65ms. Allocated memory is still 119.5MB. Free memory was 58.2MB in the beginning and 63.6MB in the end (delta: -5.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.87ms. Allocated memory is still 119.5MB. Free memory is still 63.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet98 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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: 1568]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1560. 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); [L1560] CALL 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, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1560] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=12, argc=12, argv={13:12}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1561] CALL CWE190_Integer_Overflow__int_max_add_65_bad() [L1551] int data; [L1552] void (*funcPtr) (int) = CWE190_Integer_Overflow__int_max_add_65b_badSink; [L1553] data = 0 [L1554] data = 0x7fffffff [L1555] CALL funcPtr(data) [L1568] data + 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=2147483647, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1568]: 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, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 11 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 46 ConjunctsInSsa, 1 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 [2023-11-24 23:20:56,861 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54ecde5c-d29f-4ac1-8bd7-c2f9266747c5/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 Result: UNKNOWN: Overapproximated counterexample