./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_54_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_b64e1ae0-c8d6-453c-a2d7-693db892cf7c/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64e1ae0-c8d6-453c-a2d7-693db892cf7c/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_b64e1ae0-c8d6-453c-a2d7-693db892cf7c/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64e1ae0-c8d6-453c-a2d7-693db892cf7c/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_54_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64e1ae0-c8d6-453c-a2d7-693db892cf7c/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_b64e1ae0-c8d6-453c-a2d7-693db892cf7c/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 c1622501ba45970feb03d60771063ebc04dc2926ef9a0418cc5a56da8ba6ed52 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:58:50,184 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:58:50,266 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64e1ae0-c8d6-453c-a2d7-693db892cf7c/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Overflow-64bit-Taipan_Default.epf [2023-11-24 23:58:50,270 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:58:50,271 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:58:50,297 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:58:50,297 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:58:50,298 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:58:50,299 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:58:50,300 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:58:50,300 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:58:50,301 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:58:50,301 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:58:50,302 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:58:50,302 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:58:50,303 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:58:50,304 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:58:50,304 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:58:50,305 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:58:50,305 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:58:50,306 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:58:50,307 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:58:50,308 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:58:50,308 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:58:50,309 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:58:50,309 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:58:50,310 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:58:50,311 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:58:50,311 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:58:50,312 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:58:50,312 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:58:50,313 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:58:50,313 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:58:50,314 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:58:50,315 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:58:50,315 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:58:50,316 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:58:50,317 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:58:50,317 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:58:50,318 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:58:50,318 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:58:50,319 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:58:50,320 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:58:50,320 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:58:50,321 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:58:50,321 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:58:50,322 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_b64e1ae0-c8d6-453c-a2d7-693db892cf7c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64e1ae0-c8d6-453c-a2d7-693db892cf7c/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c1622501ba45970feb03d60771063ebc04dc2926ef9a0418cc5a56da8ba6ed52 [2023-11-24 23:58:50,660 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:58:50,698 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:58:50,701 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:58:50,703 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:58:50,705 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:58:50,706 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64e1ae0-c8d6-453c-a2d7-693db892cf7c/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_54_bad.i [2023-11-24 23:58:53,738 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:58:54,207 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:58:54,207 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64e1ae0-c8d6-453c-a2d7-693db892cf7c/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_54_bad.i [2023-11-24 23:58:54,242 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64e1ae0-c8d6-453c-a2d7-693db892cf7c/bin/utaipan-verify-SwPr7d2a91/data/8bb700a99/0214a8a79a894986850da177e2b5d2c1/FLAG63bd131b8 [2023-11-24 23:58:54,259 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64e1ae0-c8d6-453c-a2d7-693db892cf7c/bin/utaipan-verify-SwPr7d2a91/data/8bb700a99/0214a8a79a894986850da177e2b5d2c1 [2023-11-24 23:58:54,267 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:58:54,269 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:58:54,270 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:58:54,270 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:58:54,276 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:58:54,276 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:58:54" (1/1) ... [2023-11-24 23:58:54,278 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d867a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:54, skipping insertion in model container [2023-11-24 23:58:54,279 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:58:54" (1/1) ... [2023-11-24 23:58:54,367 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:58:55,257 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:58:55,267 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:58:55,390 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:58:55,586 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:58:55,586 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:58:55,586 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:58:55,586 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:58:55,594 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:58:55,594 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:55 WrapperNode [2023-11-24 23:58:55,594 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:58:55,596 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:58:55,596 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:58:55,596 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:58:55,604 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:55" (1/1) ... [2023-11-24 23:58:55,643 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:55" (1/1) ... [2023-11-24 23:58:55,680 INFO L138 Inliner]: procedures = 502, calls = 59, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 50 [2023-11-24 23:58:55,680 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:58:55,681 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:58:55,681 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:58:55,681 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:58:55,694 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:55" (1/1) ... [2023-11-24 23:58:55,695 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:55" (1/1) ... [2023-11-24 23:58:55,712 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:55" (1/1) ... [2023-11-24 23:58:55,713 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:55" (1/1) ... [2023-11-24 23:58:55,718 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:55" (1/1) ... [2023-11-24 23:58:55,720 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:55" (1/1) ... [2023-11-24 23:58:55,722 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:55" (1/1) ... [2023-11-24 23:58:55,724 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:55" (1/1) ... [2023-11-24 23:58:55,729 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:58:55,730 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:58:55,730 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:58:55,730 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:58:55,731 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:55" (1/1) ... [2023-11-24 23:58:55,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:58:55,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64e1ae0-c8d6-453c-a2d7-693db892cf7c/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:58:55,779 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64e1ae0-c8d6-453c-a2d7-693db892cf7c/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:58:55,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64e1ae0-c8d6-453c-a2d7-693db892cf7c/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:58:55,825 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 23:58:55,826 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 23:58:55,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:58:55,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:58:55,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:58:55,828 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 23:58:55,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:58:56,007 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:58:56,010 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:58:56,196 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:58:56,251 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:58:56,251 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:58:56,253 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:58:56 BoogieIcfgContainer [2023-11-24 23:58:56,253 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:58:56,255 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:58:56,256 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:58:56,259 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:58:56,260 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:58:54" (1/3) ... [2023-11-24 23:58:56,260 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d1109d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:58:56, skipping insertion in model container [2023-11-24 23:58:56,261 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:55" (2/3) ... [2023-11-24 23:58:56,261 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d1109d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:58:56, skipping insertion in model container [2023-11-24 23:58:56,261 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:58:56" (3/3) ... [2023-11-24 23:58:56,262 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_max_preinc_54_bad.i [2023-11-24 23:58:56,285 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:58:56,285 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-24 23:58:56,336 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:58:56,344 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;@b23d8fb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:58:56,344 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-24 23:58:56,351 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 23:58:56,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:58:56,361 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:58:56,362 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-24 23:58:56,363 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-24 23:58:56,371 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:58:56,372 INFO L85 PathProgramCache]: Analyzing trace with hash 2122821516, now seen corresponding path program 1 times [2023-11-24 23:58:56,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:58:56,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130734810] [2023-11-24 23:58:56,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:58:56,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:58:56,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:58:56,900 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 23:58:56,905 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:58:56,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130734810] [2023-11-24 23:58:56,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130734810] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:58:56,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:58:56,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 23:58:56,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930580064] [2023-11-24 23:58:56,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:58:56,915 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:58:56,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:58:56,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:58:56,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:58:56,950 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 23:58:56,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:58:56,985 INFO L93 Difference]: Finished difference Result 14 states and 13 transitions. [2023-11-24 23:58:56,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 23:58:56,990 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 23:58:56,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:58:56,999 INFO L225 Difference]: With dead ends: 14 [2023-11-24 23:58:57,000 INFO L226 Difference]: Without dead ends: 8 [2023-11-24 23:58:57,003 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 23:58:57,007 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 23:58:57,009 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 23:58:57,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2023-11-24 23:58:57,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2023-11-24 23:58:57,043 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 23:58:57,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 7 transitions. [2023-11-24 23:58:57,045 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 7 transitions. Word has length 6 [2023-11-24 23:58:57,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:58:57,046 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 7 transitions. [2023-11-24 23:58:57,047 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 23:58:57,047 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2023-11-24 23:58:57,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:58:57,074 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:58:57,075 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:58:57,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-24 23:58:57,075 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-24 23:58:57,076 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:58:57,077 INFO L85 PathProgramCache]: Analyzing trace with hash 1382957602, now seen corresponding path program 1 times [2023-11-24 23:58:57,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:58:57,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319301893] [2023-11-24 23:58:57,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:58:57,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:58:57,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:58:57,136 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:58:57,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:58:57,172 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-24 23:58:57,172 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-24 23:58:57,174 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2023-11-24 23:58:57,176 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2023-11-24 23:58:57,177 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-24 23:58:57,180 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-24 23:58:57,184 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-24 23:58:57,198 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet99 [2023-11-24 23:58:57,207 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 11:58:57 BoogieIcfgContainer [2023-11-24 23:58:57,207 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-24 23:58:57,208 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:58:57,208 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:58:57,208 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:58:57,209 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:58:56" (3/4) ... [2023-11-24 23:58:57,211 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:58:57,212 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:58:57,213 INFO L158 Benchmark]: Toolchain (without parser) took 2943.76ms. Allocated memory is still 134.2MB. Free memory was 104.4MB in the beginning and 95.2MB in the end (delta: 9.2MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. [2023-11-24 23:58:57,213 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 134.2MB. Free memory is still 102.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:58:57,214 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1324.83ms. Allocated memory is still 134.2MB. Free memory was 104.4MB in the beginning and 94.2MB in the end (delta: 10.2MB). Peak memory consumption was 64.4MB. Max. memory is 16.1GB. [2023-11-24 23:58:57,215 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.68ms. Allocated memory is still 134.2MB. Free memory was 94.2MB in the beginning and 91.3MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:58:57,215 INFO L158 Benchmark]: Boogie Preprocessor took 47.85ms. Allocated memory is still 134.2MB. Free memory was 91.3MB in the beginning and 89.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:58:57,216 INFO L158 Benchmark]: RCFGBuilder took 523.71ms. Allocated memory is still 134.2MB. Free memory was 89.3MB in the beginning and 75.3MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 23:58:57,217 INFO L158 Benchmark]: TraceAbstraction took 951.71ms. Allocated memory is still 134.2MB. Free memory was 74.6MB in the beginning and 96.0MB in the end (delta: -21.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:58:57,217 INFO L158 Benchmark]: Witness Printer took 4.41ms. Allocated memory is still 134.2MB. Free memory was 96.0MB in the beginning and 95.2MB in the end (delta: 818.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:58:57,220 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 134.2MB. Free memory is still 102.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1324.83ms. Allocated memory is still 134.2MB. Free memory was 104.4MB in the beginning and 94.2MB in the end (delta: 10.2MB). Peak memory consumption was 64.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.68ms. Allocated memory is still 134.2MB. Free memory was 94.2MB in the beginning and 91.3MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.85ms. Allocated memory is still 134.2MB. Free memory was 91.3MB in the beginning and 89.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 523.71ms. Allocated memory is still 134.2MB. Free memory was 89.3MB in the beginning and 75.3MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 951.71ms. Allocated memory is still 134.2MB. Free memory was 74.6MB in the beginning and 96.0MB in the end (delta: -21.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.41ms. Allocated memory is still 134.2MB. Free memory was 96.0MB in the beginning and 95.2MB in the end (delta: 818.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet99 - 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: 1582]: 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 1559. 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); [L1559] 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) [L1559] 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] [L1560] CALL CWE190_Integer_Overflow__int_max_preinc_54_bad() [L1551] int data; [L1552] data = 0 [L1553] data = 0x7fffffff [L1554] CALL CWE190_Integer_Overflow__int_max_preinc_54b_badSink(data) [L1567] CALL CWE190_Integer_Overflow__int_max_preinc_54c_badSink(data) [L1572] CALL CWE190_Integer_Overflow__int_max_preinc_54d_badSink(data) [L1577] CALL CWE190_Integer_Overflow__int_max_preinc_54e_badSink(data) [L1582] ++data 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: 1582]: 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: 0.9s, 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, 0.4s 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 23:58:57,246 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64e1ae0-c8d6-453c-a2d7-693db892cf7c/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_b64e1ae0-c8d6-453c-a2d7-693db892cf7c/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64e1ae0-c8d6-453c-a2d7-693db892cf7c/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_b64e1ae0-c8d6-453c-a2d7-693db892cf7c/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64e1ae0-c8d6-453c-a2d7-693db892cf7c/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_54_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64e1ae0-c8d6-453c-a2d7-693db892cf7c/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_b64e1ae0-c8d6-453c-a2d7-693db892cf7c/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 c1622501ba45970feb03d60771063ebc04dc2926ef9a0418cc5a56da8ba6ed52 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:58:59,863 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:58:59,945 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64e1ae0-c8d6-453c-a2d7-693db892cf7c/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2023-11-24 23:58:59,951 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:58:59,952 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:58:59,988 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:58:59,992 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:58:59,993 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:58:59,994 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:58:59,999 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:59:00,000 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:59:00,001 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:59:00,001 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:59:00,003 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:59:00,003 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:59:00,004 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:59:00,005 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:59:00,006 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:59:00,006 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:59:00,006 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:59:00,007 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:59:00,011 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:59:00,012 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:59:00,012 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:59:00,013 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:59:00,013 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:59:00,014 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:59:00,014 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:59:00,014 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:59:00,015 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:59:00,016 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-24 23:59:00,016 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:59:00,017 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:59:00,017 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:59:00,017 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:59:00,018 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:59:00,018 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:59:00,018 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:59:00,018 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:59:00,020 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:59:00,020 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:59:00,020 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:59:00,021 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:59:00,021 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_b64e1ae0-c8d6-453c-a2d7-693db892cf7c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64e1ae0-c8d6-453c-a2d7-693db892cf7c/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c1622501ba45970feb03d60771063ebc04dc2926ef9a0418cc5a56da8ba6ed52 [2023-11-24 23:59:00,481 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:59:00,516 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:59:00,521 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:59:00,522 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:59:00,523 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:59:00,525 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64e1ae0-c8d6-453c-a2d7-693db892cf7c/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_54_bad.i [2023-11-24 23:59:03,876 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:59:04,438 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:59:04,439 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64e1ae0-c8d6-453c-a2d7-693db892cf7c/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_54_bad.i [2023-11-24 23:59:04,477 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64e1ae0-c8d6-453c-a2d7-693db892cf7c/bin/utaipan-verify-SwPr7d2a91/data/71f391f0d/b356312eb5274ec7abaf8ff912cea025/FLAGdcc56d92f [2023-11-24 23:59:04,497 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64e1ae0-c8d6-453c-a2d7-693db892cf7c/bin/utaipan-verify-SwPr7d2a91/data/71f391f0d/b356312eb5274ec7abaf8ff912cea025 [2023-11-24 23:59:04,503 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:59:04,505 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:59:04,510 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:59:04,510 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:59:04,515 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:59:04,518 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:59:04" (1/1) ... [2023-11-24 23:59:04,519 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3239117 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:04, skipping insertion in model container [2023-11-24 23:59:04,520 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:59:04" (1/1) ... [2023-11-24 23:59:04,631 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:59:05,705 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:59:05,719 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:59:05,818 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:59:05,964 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:59:05,964 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:59:05,964 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:59:05,965 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:59:05,973 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:59:05,974 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:05 WrapperNode [2023-11-24 23:59:05,974 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:59:05,975 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:59:05,976 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:59:05,976 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:59:05,984 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:05" (1/1) ... [2023-11-24 23:59:06,026 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:05" (1/1) ... [2023-11-24 23:59:06,056 INFO L138 Inliner]: procedures = 507, calls = 59, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 50 [2023-11-24 23:59:06,057 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:59:06,058 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:59:06,058 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:59:06,058 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:59:06,069 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:05" (1/1) ... [2023-11-24 23:59:06,069 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:05" (1/1) ... [2023-11-24 23:59:06,074 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:05" (1/1) ... [2023-11-24 23:59:06,074 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:05" (1/1) ... [2023-11-24 23:59:06,085 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:05" (1/1) ... [2023-11-24 23:59:06,087 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:05" (1/1) ... [2023-11-24 23:59:06,093 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:05" (1/1) ... [2023-11-24 23:59:06,095 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:05" (1/1) ... [2023-11-24 23:59:06,100 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:59:06,102 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:59:06,102 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:59:06,102 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:59:06,103 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:05" (1/1) ... [2023-11-24 23:59:06,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:59:06,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64e1ae0-c8d6-453c-a2d7-693db892cf7c/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:59:06,140 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64e1ae0-c8d6-453c-a2d7-693db892cf7c/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:59:06,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64e1ae0-c8d6-453c-a2d7-693db892cf7c/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:59:06,187 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 23:59:06,187 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 23:59:06,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:59:06,187 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:59:06,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:59:06,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:59:06,187 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 23:59:06,389 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:59:06,392 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:59:06,526 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:59:06,571 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:59:06,571 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:59:06,572 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:59:06 BoogieIcfgContainer [2023-11-24 23:59:06,572 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:59:06,574 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:59:06,574 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:59:06,578 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:59:06,579 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:59:04" (1/3) ... [2023-11-24 23:59:06,580 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e06ddf2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:59:06, skipping insertion in model container [2023-11-24 23:59:06,580 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:59:05" (2/3) ... [2023-11-24 23:59:06,580 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e06ddf2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:59:06, skipping insertion in model container [2023-11-24 23:59:06,581 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:59:06" (3/3) ... [2023-11-24 23:59:06,582 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_max_preinc_54_bad.i [2023-11-24 23:59:06,603 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:59:06,603 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-24 23:59:06,657 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:59:06,664 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;@7c89f418, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:59:06,665 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-24 23:59:06,669 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 23:59:06,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:59:06,677 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:59:06,678 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:59:06,678 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-24 23:59:06,684 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:59:06,684 INFO L85 PathProgramCache]: Analyzing trace with hash -1510497223, now seen corresponding path program 1 times [2023-11-24 23:59:06,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:59:06,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [964809666] [2023-11-24 23:59:06,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:59:06,707 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 23:59:06,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64e1ae0-c8d6-453c-a2d7-693db892cf7c/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:59:06,710 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64e1ae0-c8d6-453c-a2d7-693db892cf7c/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 23:59:06,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64e1ae0-c8d6-453c-a2d7-693db892cf7c/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 23:59:06,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:59:06,873 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:59:06,878 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:59:06,905 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 23:59:06,905 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:59:06,906 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:59:06,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [964809666] [2023-11-24 23:59:06,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [964809666] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:59:06,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:59:06,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-24 23:59:06,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502484921] [2023-11-24 23:59:06,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:59:06,928 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-24 23:59:06,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:59:06,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-24 23:59:06,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 23:59:06,970 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 23:59:06,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:59:06,999 INFO L93 Difference]: Finished difference Result 14 states and 15 transitions. [2023-11-24 23:59:07,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 23:59:07,003 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 23:59:07,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:59:07,010 INFO L225 Difference]: With dead ends: 14 [2023-11-24 23:59:07,010 INFO L226 Difference]: Without dead ends: 10 [2023-11-24 23:59:07,013 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 23:59:07,017 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 23:59:07,020 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 23:59:07,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2023-11-24 23:59:07,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2023-11-24 23:59:07,052 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 23:59:07,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2023-11-24 23:59:07,055 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 8 [2023-11-24 23:59:07,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:59:07,056 INFO L495 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2023-11-24 23:59:07,056 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 23:59:07,057 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2023-11-24 23:59:07,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 23:59:07,058 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:59:07,058 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:59:07,068 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64e1ae0-c8d6-453c-a2d7-693db892cf7c/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 23:59:07,261 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64e1ae0-c8d6-453c-a2d7-693db892cf7c/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 23:59:07,261 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-24 23:59:07,262 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:59:07,262 INFO L85 PathProgramCache]: Analyzing trace with hash 419226389, now seen corresponding path program 1 times [2023-11-24 23:59:07,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:59:07,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2108380369] [2023-11-24 23:59:07,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:59:07,263 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 23:59:07,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64e1ae0-c8d6-453c-a2d7-693db892cf7c/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:59:07,289 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64e1ae0-c8d6-453c-a2d7-693db892cf7c/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 23:59:07,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64e1ae0-c8d6-453c-a2d7-693db892cf7c/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 23:59:07,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:59:07,395 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:59:07,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:59:07,453 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2023-11-24 23:59:07,454 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-24 23:59:07,456 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2023-11-24 23:59:07,461 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2023-11-24 23:59:07,470 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64e1ae0-c8d6-453c-a2d7-693db892cf7c/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 23:59:07,664 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64e1ae0-c8d6-453c-a2d7-693db892cf7c/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 23:59:07,668 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-24 23:59:07,671 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-24 23:59:07,690 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet97 [2023-11-24 23:59:07,701 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 11:59:07 BoogieIcfgContainer [2023-11-24 23:59:07,701 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-24 23:59:07,702 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:59:07,702 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:59:07,702 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:59:07,702 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:59:06" (3/4) ... [2023-11-24 23:59:07,704 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:59:07,705 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:59:07,706 INFO L158 Benchmark]: Toolchain (without parser) took 3201.16ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 49.1MB in the beginning and 48.8MB in the end (delta: 215.8kB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. [2023-11-24 23:59:07,707 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 77.6MB. Free memory is still 53.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:59:07,707 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1464.83ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 48.8MB in the beginning and 46.4MB in the end (delta: 2.4MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. [2023-11-24 23:59:07,708 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.49ms. Allocated memory is still 94.4MB. Free memory was 46.4MB in the beginning and 43.5MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:59:07,709 INFO L158 Benchmark]: Boogie Preprocessor took 43.26ms. Allocated memory is still 94.4MB. Free memory was 43.5MB in the beginning and 41.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:59:07,709 INFO L158 Benchmark]: RCFGBuilder took 470.28ms. Allocated memory is still 94.4MB. Free memory was 41.4MB in the beginning and 52.4MB in the end (delta: -11.0MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. [2023-11-24 23:59:07,710 INFO L158 Benchmark]: TraceAbstraction took 1127.11ms. Allocated memory is still 94.4MB. Free memory was 51.9MB in the beginning and 49.4MB in the end (delta: 2.6MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. [2023-11-24 23:59:07,711 INFO L158 Benchmark]: Witness Printer took 3.37ms. Allocated memory is still 94.4MB. Free memory was 49.4MB in the beginning and 48.8MB in the end (delta: 516.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:59:07,715 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 77.6MB. Free memory is still 53.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1464.83ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 48.8MB in the beginning and 46.4MB in the end (delta: 2.4MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.49ms. Allocated memory is still 94.4MB. Free memory was 46.4MB in the beginning and 43.5MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.26ms. Allocated memory is still 94.4MB. Free memory was 43.5MB in the beginning and 41.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 470.28ms. Allocated memory is still 94.4MB. Free memory was 41.4MB in the beginning and 52.4MB in the end (delta: -11.0MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1127.11ms. Allocated memory is still 94.4MB. Free memory was 51.9MB in the beginning and 49.4MB in the end (delta: 2.6MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. * Witness Printer took 3.37ms. Allocated memory is still 94.4MB. Free memory was 49.4MB in the beginning and 48.8MB in the end (delta: 516.0kB). 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~nondet97 - 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: 1582]: 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 1559. 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); [L1559] 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) [L1559] 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] [L1560] CALL CWE190_Integer_Overflow__int_max_preinc_54_bad() [L1551] int data; [L1552] data = 0 [L1553] data = 0x7fffffff [L1554] CALL CWE190_Integer_Overflow__int_max_preinc_54b_badSink(data) [L1567] CALL CWE190_Integer_Overflow__int_max_preinc_54c_badSink(data) [L1572] CALL CWE190_Integer_Overflow__int_max_preinc_54d_badSink(data) [L1577] CALL CWE190_Integer_Overflow__int_max_preinc_54e_badSink(data) [L1582] ++data 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: 1582]: 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 23:59:07,744 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64e1ae0-c8d6-453c-a2d7-693db892cf7c/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