./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_68_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_cb1a3102-6710-41fe-b38e-6281c5c7738f/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb1a3102-6710-41fe-b38e-6281c5c7738f/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_cb1a3102-6710-41fe-b38e-6281c5c7738f/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb1a3102-6710-41fe-b38e-6281c5c7738f/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_68_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb1a3102-6710-41fe-b38e-6281c5c7738f/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_cb1a3102-6710-41fe-b38e-6281c5c7738f/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 fc25e27dfdc58b704635bc4bb11f2aedf4d38803479269d4758abb4f7a8d01c4 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:02:42,486 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:02:42,573 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb1a3102-6710-41fe-b38e-6281c5c7738f/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Overflow-64bit-Taipan_Default.epf [2023-11-25 00:02:42,580 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:02:42,581 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:02:42,622 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:02:42,623 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:02:42,624 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:02:42,625 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:02:42,625 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:02:42,626 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:02:42,627 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:02:42,627 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:02:42,628 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-25 00:02:42,628 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:02:42,629 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:02:42,630 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-25 00:02:42,630 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-25 00:02:42,631 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:02:42,631 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-25 00:02:42,632 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-25 00:02:42,632 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-25 00:02:42,633 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:02:42,634 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-25 00:02:42,634 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-25 00:02:42,634 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:02:42,635 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-25 00:02:42,635 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:02:42,636 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-25 00:02:42,636 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-25 00:02:42,637 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-25 00:02:42,637 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-25 00:02:42,638 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:02:42,659 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:02:42,660 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-25 00:02:42,660 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:02:42,660 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:02:42,661 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:02:42,661 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:02:42,661 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-25 00:02:42,662 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-25 00:02:42,662 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-25 00:02:42,662 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:02:42,662 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-25 00:02:42,663 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:02:42,663 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:02:42,663 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_cb1a3102-6710-41fe-b38e-6281c5c7738f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb1a3102-6710-41fe-b38e-6281c5c7738f/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fc25e27dfdc58b704635bc4bb11f2aedf4d38803479269d4758abb4f7a8d01c4 [2023-11-25 00:02:43,030 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:02:43,070 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:02:43,072 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:02:43,074 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:02:43,077 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:02:43,078 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb1a3102-6710-41fe-b38e-6281c5c7738f/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_68_bad.i [2023-11-25 00:02:46,172 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:02:46,608 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:02:46,609 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb1a3102-6710-41fe-b38e-6281c5c7738f/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_68_bad.i [2023-11-25 00:02:46,664 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb1a3102-6710-41fe-b38e-6281c5c7738f/bin/utaipan-verify-SwPr7d2a91/data/157172118/fd97993f2ffd4eb0ae33b3ca0635cbe1/FLAG56554e5c0 [2023-11-25 00:02:46,685 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb1a3102-6710-41fe-b38e-6281c5c7738f/bin/utaipan-verify-SwPr7d2a91/data/157172118/fd97993f2ffd4eb0ae33b3ca0635cbe1 [2023-11-25 00:02:46,693 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:02:46,695 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:02:46,698 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:02:46,699 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:02:46,705 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:02:46,705 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:02:46" (1/1) ... [2023-11-25 00:02:46,707 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64c7f7ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:46, skipping insertion in model container [2023-11-25 00:02:46,707 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:02:46" (1/1) ... [2023-11-25 00:02:46,769 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:02:47,876 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:02:47,892 INFO L202 MainTranslator]: Completed pre-run [2023-11-25 00:02:48,041 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:02:48,199 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:02:48,199 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:02:48,199 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:02:48,199 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:02:48,208 INFO L206 MainTranslator]: Completed translation [2023-11-25 00:02:48,230 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:48 WrapperNode [2023-11-25 00:02:48,230 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:02:48,232 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-25 00:02:48,232 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-25 00:02:48,232 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-25 00:02:48,240 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:48" (1/1) ... [2023-11-25 00:02:48,278 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:48" (1/1) ... [2023-11-25 00:02:48,318 INFO L138 Inliner]: procedures = 499, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 45 [2023-11-25 00:02:48,319 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-25 00:02:48,320 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-25 00:02:48,320 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-25 00:02:48,320 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-25 00:02:48,330 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:48" (1/1) ... [2023-11-25 00:02:48,331 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:48" (1/1) ... [2023-11-25 00:02:48,335 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:48" (1/1) ... [2023-11-25 00:02:48,335 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:48" (1/1) ... [2023-11-25 00:02:48,341 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:48" (1/1) ... [2023-11-25 00:02:48,343 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:48" (1/1) ... [2023-11-25 00:02:48,345 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:48" (1/1) ... [2023-11-25 00:02:48,346 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:48" (1/1) ... [2023-11-25 00:02:48,349 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-25 00:02:48,350 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-25 00:02:48,350 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-25 00:02:48,350 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-25 00:02:48,351 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:48" (1/1) ... [2023-11-25 00:02:48,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:02:48,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb1a3102-6710-41fe-b38e-6281c5c7738f/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:02:48,394 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb1a3102-6710-41fe-b38e-6281c5c7738f/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-25 00:02:48,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb1a3102-6710-41fe-b38e-6281c5c7738f/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-25 00:02:48,441 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-25 00:02:48,441 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-25 00:02:48,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-25 00:02:48,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-25 00:02:48,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-25 00:02:48,442 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-25 00:02:48,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-25 00:02:48,584 INFO L241 CfgBuilder]: Building ICFG [2023-11-25 00:02:48,587 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-25 00:02:48,780 INFO L282 CfgBuilder]: Performing block encoding [2023-11-25 00:02:48,817 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-25 00:02:48,818 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-25 00:02:48,819 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:02:48 BoogieIcfgContainer [2023-11-25 00:02:48,819 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-25 00:02:48,822 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-25 00:02:48,822 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-25 00:02:48,826 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-25 00:02:48,826 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 12:02:46" (1/3) ... [2023-11-25 00:02:48,827 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48e31894 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:02:48, skipping insertion in model container [2023-11-25 00:02:48,827 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:48" (2/3) ... [2023-11-25 00:02:48,828 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48e31894 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:02:48, skipping insertion in model container [2023-11-25 00:02:48,828 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:02:48" (3/3) ... [2023-11-25 00:02:48,829 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_max_preinc_68_bad.i [2023-11-25 00:02:48,847 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-25 00:02:48,847 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-25 00:02:48,896 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-25 00:02:48,903 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;@14edf77c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-25 00:02:48,903 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-25 00:02:48,907 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) [2023-11-25 00:02:48,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-25 00:02:48,915 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:02:48,916 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-25 00:02:48,916 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-25 00:02:48,921 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:02:48,921 INFO L85 PathProgramCache]: Analyzing trace with hash 1830714995, now seen corresponding path program 1 times [2023-11-25 00:02:48,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:02:48,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042966830] [2023-11-25 00:02:48,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:02:48,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:02:49,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:02:49,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-25 00:02:49,261 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:02:49,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042966830] [2023-11-25 00:02:49,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2042966830] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:02:49,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:02:49,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-25 00:02:49,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984976337] [2023-11-25 00:02:49,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:02:49,269 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-25 00:02:49,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:02:49,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-25 00:02:49,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-25 00:02:49,304 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) [2023-11-25 00:02:49,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:02:49,334 INFO L93 Difference]: Finished difference Result 14 states and 13 transitions. [2023-11-25 00:02:49,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-25 00:02:49,337 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 [2023-11-25 00:02:49,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:02:49,345 INFO L225 Difference]: With dead ends: 14 [2023-11-25 00:02:49,345 INFO L226 Difference]: Without dead ends: 8 [2023-11-25 00:02:49,348 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 [2023-11-25 00:02:49,352 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 [2023-11-25 00:02:49,353 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] [2023-11-25 00:02:49,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2023-11-25 00:02:49,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2023-11-25 00:02:49,384 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) [2023-11-25 00:02:49,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 7 transitions. [2023-11-25 00:02:49,386 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 7 transitions. Word has length 6 [2023-11-25 00:02:49,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:02:49,387 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 7 transitions. [2023-11-25 00:02:49,387 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) [2023-11-25 00:02:49,388 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2023-11-25 00:02:49,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-25 00:02:49,388 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:02:49,389 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:02:49,389 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-25 00:02:49,389 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-25 00:02:49,390 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:02:49,391 INFO L85 PathProgramCache]: Analyzing trace with hash 917590043, now seen corresponding path program 1 times [2023-11-25 00:02:49,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:02:49,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422879798] [2023-11-25 00:02:49,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:02:49,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:02:49,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-25 00:02:49,415 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-25 00:02:49,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-25 00:02:49,475 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-25 00:02:49,475 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-25 00:02:49,477 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2023-11-25 00:02:49,480 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2023-11-25 00:02:49,480 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-25 00:02:49,485 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-25 00:02:49,489 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-25 00:02:49,505 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet99 [2023-11-25 00:02:49,522 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 12:02:49 BoogieIcfgContainer [2023-11-25 00:02:49,522 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-25 00:02:49,524 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-25 00:02:49,524 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-25 00:02:49,524 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-25 00:02:49,525 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:02:48" (3/4) ... [2023-11-25 00:02:49,529 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-25 00:02:49,530 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-25 00:02:49,533 INFO L158 Benchmark]: Toolchain (without parser) took 2835.93ms. Allocated memory is still 176.2MB. Free memory was 140.4MB in the beginning and 92.4MB in the end (delta: 48.0MB). Peak memory consumption was 50.6MB. Max. memory is 16.1GB. [2023-11-25 00:02:49,534 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 125.8MB. Free memory is still 98.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-25 00:02:49,534 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1532.32ms. Allocated memory is still 176.2MB. Free memory was 139.9MB in the beginning and 141.2MB in the end (delta: -1.3MB). Peak memory consumption was 71.5MB. Max. memory is 16.1GB. [2023-11-25 00:02:49,539 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.69ms. Allocated memory is still 176.2MB. Free memory was 141.2MB in the beginning and 138.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-25 00:02:49,540 INFO L158 Benchmark]: Boogie Preprocessor took 29.25ms. Allocated memory is still 176.2MB. Free memory was 138.5MB in the beginning and 137.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-25 00:02:49,543 INFO L158 Benchmark]: RCFGBuilder took 469.57ms. Allocated memory is still 176.2MB. Free memory was 137.2MB in the beginning and 123.3MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-25 00:02:49,543 INFO L158 Benchmark]: TraceAbstraction took 700.33ms. Allocated memory is still 176.2MB. Free memory was 122.5MB in the beginning and 92.4MB in the end (delta: 30.1MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-25 00:02:49,544 INFO L158 Benchmark]: Witness Printer took 6.99ms. Allocated memory is still 176.2MB. Free memory is still 92.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-25 00:02:49,551 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 125.8MB. Free memory is still 98.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1532.32ms. Allocated memory is still 176.2MB. Free memory was 139.9MB in the beginning and 141.2MB in the end (delta: -1.3MB). Peak memory consumption was 71.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.69ms. Allocated memory is still 176.2MB. Free memory was 141.2MB in the beginning and 138.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.25ms. Allocated memory is still 176.2MB. Free memory was 138.5MB in the beginning and 137.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 469.57ms. Allocated memory is still 176.2MB. Free memory was 137.2MB in the beginning and 123.3MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 700.33ms. Allocated memory is still 176.2MB. Free memory was 122.5MB in the beginning and 92.4MB in the end (delta: 30.1MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Witness Printer took 6.99ms. Allocated memory is still 176.2MB. Free memory is still 92.4MB. 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~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: 1575]: 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 1563. 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); [L1563] 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) [L1563] 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] [L1564] CALL CWE190_Integer_Overflow__int_max_preinc_68_bad() [L1554] int data; [L1555] data = 0 [L1556] data = 0x7fffffff [L1557] CWE190_Integer_Overflow__int_max_preinc_68_badData = data [L1558] CALL CWE190_Integer_Overflow__int_max_preinc_68b_badSink() [L1573] int data = CWE190_Integer_Overflow__int_max_preinc_68_badData; VAL [CWE190_Integer_Overflow__int_max_preinc_68_badData=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1575] ++data VAL [CWE190_Integer_Overflow__int_max_preinc_68_badData=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1575]: 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: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 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, 0.0s SatisfiabilityAnalysisTime, 0.2s 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 [2023-11-25 00:02:49,576 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb1a3102-6710-41fe-b38e-6281c5c7738f/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb1a3102-6710-41fe-b38e-6281c5c7738f/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb1a3102-6710-41fe-b38e-6281c5c7738f/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_cb1a3102-6710-41fe-b38e-6281c5c7738f/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb1a3102-6710-41fe-b38e-6281c5c7738f/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_68_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb1a3102-6710-41fe-b38e-6281c5c7738f/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_cb1a3102-6710-41fe-b38e-6281c5c7738f/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 fc25e27dfdc58b704635bc4bb11f2aedf4d38803479269d4758abb4f7a8d01c4 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:02:52,263 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:02:52,386 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb1a3102-6710-41fe-b38e-6281c5c7738f/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2023-11-25 00:02:52,410 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:02:52,411 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:02:52,460 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:02:52,461 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:02:52,461 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:02:52,462 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:02:52,467 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:02:52,468 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:02:52,468 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:02:52,469 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:02:52,470 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:02:52,471 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:02:52,471 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:02:52,472 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:02:52,473 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-25 00:02:52,473 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:02:52,474 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-25 00:02:52,474 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:02:52,474 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-25 00:02:52,475 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-25 00:02:52,475 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-25 00:02:52,476 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-25 00:02:52,476 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-25 00:02:52,476 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-25 00:02:52,477 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-25 00:02:52,477 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:02:52,477 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:02:52,479 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-25 00:02:52,479 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-25 00:02:52,479 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:02:52,480 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:02:52,480 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:02:52,480 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:02:52,480 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-25 00:02:52,481 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-25 00:02:52,481 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-25 00:02:52,482 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:02:52,482 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-25 00:02:52,482 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:02:52,483 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:02:52,483 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_cb1a3102-6710-41fe-b38e-6281c5c7738f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb1a3102-6710-41fe-b38e-6281c5c7738f/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fc25e27dfdc58b704635bc4bb11f2aedf4d38803479269d4758abb4f7a8d01c4 [2023-11-25 00:02:52,909 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:02:52,944 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:02:52,947 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:02:52,949 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:02:52,949 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:02:52,951 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb1a3102-6710-41fe-b38e-6281c5c7738f/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_68_bad.i [2023-11-25 00:02:56,092 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:02:56,649 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:02:56,650 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb1a3102-6710-41fe-b38e-6281c5c7738f/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_68_bad.i [2023-11-25 00:02:56,686 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb1a3102-6710-41fe-b38e-6281c5c7738f/bin/utaipan-verify-SwPr7d2a91/data/ee5eaf901/bb5c7a58e51c41a7a29c8c1dfb8cbb1f/FLAG767157052 [2023-11-25 00:02:56,706 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb1a3102-6710-41fe-b38e-6281c5c7738f/bin/utaipan-verify-SwPr7d2a91/data/ee5eaf901/bb5c7a58e51c41a7a29c8c1dfb8cbb1f [2023-11-25 00:02:56,712 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:02:56,714 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:02:56,717 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:02:56,717 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:02:56,722 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:02:56,723 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:02:56" (1/1) ... [2023-11-25 00:02:56,724 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52940828 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:56, skipping insertion in model container [2023-11-25 00:02:56,724 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:02:56" (1/1) ... [2023-11-25 00:02:56,818 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:02:57,907 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:02:57,921 INFO L202 MainTranslator]: Completed pre-run [2023-11-25 00:02:58,031 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:02:58,170 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:02:58,170 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:02:58,171 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:02:58,171 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:02:58,180 INFO L206 MainTranslator]: Completed translation [2023-11-25 00:02:58,181 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:58 WrapperNode [2023-11-25 00:02:58,184 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:02:58,186 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-25 00:02:58,186 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-25 00:02:58,186 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-25 00:02:58,194 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:58" (1/1) ... [2023-11-25 00:02:58,251 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:58" (1/1) ... [2023-11-25 00:02:58,276 INFO L138 Inliner]: procedures = 504, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 48 [2023-11-25 00:02:58,276 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-25 00:02:58,277 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-25 00:02:58,277 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-25 00:02:58,277 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-25 00:02:58,287 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:58" (1/1) ... [2023-11-25 00:02:58,287 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:58" (1/1) ... [2023-11-25 00:02:58,291 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:58" (1/1) ... [2023-11-25 00:02:58,292 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:58" (1/1) ... [2023-11-25 00:02:58,301 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:58" (1/1) ... [2023-11-25 00:02:58,303 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:58" (1/1) ... [2023-11-25 00:02:58,306 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:58" (1/1) ... [2023-11-25 00:02:58,308 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:58" (1/1) ... [2023-11-25 00:02:58,312 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-25 00:02:58,313 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-25 00:02:58,313 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-25 00:02:58,314 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-25 00:02:58,314 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:58" (1/1) ... [2023-11-25 00:02:58,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:02:58,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb1a3102-6710-41fe-b38e-6281c5c7738f/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:02:58,361 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb1a3102-6710-41fe-b38e-6281c5c7738f/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-25 00:02:58,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb1a3102-6710-41fe-b38e-6281c5c7738f/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-25 00:02:58,409 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-25 00:02:58,410 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-25 00:02:58,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-25 00:02:58,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-25 00:02:58,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-25 00:02:58,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-25 00:02:58,410 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-25 00:02:58,578 INFO L241 CfgBuilder]: Building ICFG [2023-11-25 00:02:58,580 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-25 00:02:58,698 INFO L282 CfgBuilder]: Performing block encoding [2023-11-25 00:02:58,757 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-25 00:02:58,757 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-25 00:02:58,758 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:02:58 BoogieIcfgContainer [2023-11-25 00:02:58,758 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-25 00:02:58,761 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-25 00:02:58,761 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-25 00:02:58,764 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-25 00:02:58,765 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 12:02:56" (1/3) ... [2023-11-25 00:02:58,766 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44f69fdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:02:58, skipping insertion in model container [2023-11-25 00:02:58,767 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:58" (2/3) ... [2023-11-25 00:02:58,768 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44f69fdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:02:58, skipping insertion in model container [2023-11-25 00:02:58,768 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:02:58" (3/3) ... [2023-11-25 00:02:58,769 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_max_preinc_68_bad.i [2023-11-25 00:02:58,789 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-25 00:02:58,790 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-25 00:02:58,848 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-25 00:02:58,855 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;@492d786b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-25 00:02:58,855 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-25 00:02:58,861 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) [2023-11-25 00:02:58,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-25 00:02:58,870 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:02:58,871 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:02:58,872 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-25 00:02:58,879 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:02:58,879 INFO L85 PathProgramCache]: Analyzing trace with hash 1506175351, now seen corresponding path program 1 times [2023-11-25 00:02:58,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:02:58,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1859082237] [2023-11-25 00:02:58,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:02:58,901 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 [2023-11-25 00:02:58,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb1a3102-6710-41fe-b38e-6281c5c7738f/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:02:58,908 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb1a3102-6710-41fe-b38e-6281c5c7738f/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) [2023-11-25 00:02:58,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb1a3102-6710-41fe-b38e-6281c5c7738f/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 [2023-11-25 00:02:59,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:02:59,094 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-25 00:02:59,099 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:02:59,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-25 00:02:59,123 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:02:59,123 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:02:59,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1859082237] [2023-11-25 00:02:59,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1859082237] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:02:59,124 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:02:59,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-25 00:02:59,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281426229] [2023-11-25 00:02:59,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:02:59,133 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-25 00:02:59,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:02:59,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-25 00:02:59,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-25 00:02:59,175 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) [2023-11-25 00:02:59,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:02:59,208 INFO L93 Difference]: Finished difference Result 14 states and 15 transitions. [2023-11-25 00:02:59,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-25 00:02:59,211 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 [2023-11-25 00:02:59,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:02:59,218 INFO L225 Difference]: With dead ends: 14 [2023-11-25 00:02:59,218 INFO L226 Difference]: Without dead ends: 10 [2023-11-25 00:02:59,221 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 [2023-11-25 00:02:59,225 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 [2023-11-25 00:02:59,226 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] [2023-11-25 00:02:59,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2023-11-25 00:02:59,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2023-11-25 00:02:59,264 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) [2023-11-25 00:02:59,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2023-11-25 00:02:59,267 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 8 [2023-11-25 00:02:59,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:02:59,268 INFO L495 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2023-11-25 00:02:59,268 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) [2023-11-25 00:02:59,268 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2023-11-25 00:02:59,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-25 00:02:59,269 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:02:59,269 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:02:59,277 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb1a3102-6710-41fe-b38e-6281c5c7738f/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)] Ended with exit code 0 [2023-11-25 00:02:59,473 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb1a3102-6710-41fe-b38e-6281c5c7738f/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 [2023-11-25 00:02:59,473 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-25 00:02:59,474 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:02:59,475 INFO L85 PathProgramCache]: Analyzing trace with hash -553204329, now seen corresponding path program 1 times [2023-11-25 00:02:59,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:02:59,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [246048711] [2023-11-25 00:02:59,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:02:59,478 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 [2023-11-25 00:02:59,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb1a3102-6710-41fe-b38e-6281c5c7738f/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:02:59,479 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb1a3102-6710-41fe-b38e-6281c5c7738f/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) [2023-11-25 00:02:59,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb1a3102-6710-41fe-b38e-6281c5c7738f/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 [2023-11-25 00:02:59,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-25 00:02:59,586 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-25 00:02:59,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-25 00:02:59,658 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2023-11-25 00:02:59,659 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-25 00:02:59,661 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2023-11-25 00:02:59,663 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2023-11-25 00:02:59,672 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb1a3102-6710-41fe-b38e-6281c5c7738f/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 [2023-11-25 00:02:59,863 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb1a3102-6710-41fe-b38e-6281c5c7738f/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 [2023-11-25 00:02:59,867 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-25 00:02:59,870 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-25 00:02:59,885 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet97 [2023-11-25 00:02:59,895 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 12:02:59 BoogieIcfgContainer [2023-11-25 00:02:59,895 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-25 00:02:59,896 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-25 00:02:59,896 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-25 00:02:59,896 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-25 00:02:59,896 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:02:58" (3/4) ... [2023-11-25 00:02:59,898 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-25 00:02:59,900 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-25 00:02:59,901 INFO L158 Benchmark]: Toolchain (without parser) took 3186.87ms. Allocated memory was 73.4MB in the beginning and 90.2MB in the end (delta: 16.8MB). Free memory was 47.0MB in the beginning and 41.8MB in the end (delta: 5.1MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. [2023-11-25 00:02:59,901 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 73.4MB. Free memory is still 49.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-25 00:02:59,902 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1468.26ms. Allocated memory was 73.4MB in the beginning and 90.2MB in the end (delta: 16.8MB). Free memory was 46.7MB in the beginning and 41.4MB in the end (delta: 5.3MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. [2023-11-25 00:02:59,903 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.71ms. Allocated memory is still 90.2MB. Free memory was 41.4MB in the beginning and 62.9MB in the end (delta: -21.4MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2023-11-25 00:02:59,903 INFO L158 Benchmark]: Boogie Preprocessor took 35.62ms. Allocated memory is still 90.2MB. Free memory was 62.4MB in the beginning and 60.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-25 00:02:59,904 INFO L158 Benchmark]: RCFGBuilder took 445.34ms. Allocated memory is still 90.2MB. Free memory was 60.8MB in the beginning and 45.7MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-25 00:02:59,904 INFO L158 Benchmark]: TraceAbstraction took 1134.37ms. Allocated memory is still 90.2MB. Free memory was 45.0MB in the beginning and 41.8MB in the end (delta: 3.1MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. [2023-11-25 00:02:59,905 INFO L158 Benchmark]: Witness Printer took 4.21ms. Allocated memory is still 90.2MB. Free memory is still 41.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-25 00:02:59,909 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 73.4MB. Free memory is still 49.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1468.26ms. Allocated memory was 73.4MB in the beginning and 90.2MB in the end (delta: 16.8MB). Free memory was 46.7MB in the beginning and 41.4MB in the end (delta: 5.3MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.71ms. Allocated memory is still 90.2MB. Free memory was 41.4MB in the beginning and 62.9MB in the end (delta: -21.4MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.62ms. Allocated memory is still 90.2MB. Free memory was 62.4MB in the beginning and 60.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 445.34ms. Allocated memory is still 90.2MB. Free memory was 60.8MB in the beginning and 45.7MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1134.37ms. Allocated memory is still 90.2MB. Free memory was 45.0MB in the beginning and 41.8MB in the end (delta: 3.1MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. * Witness Printer took 4.21ms. Allocated memory is still 90.2MB. Free memory is still 41.8MB. 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: 1575]: 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 1563. 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); [L1548] int CWE190_Integer_Overflow__int_max_preinc_68_badData; [L1549] int CWE190_Integer_Overflow__int_max_preinc_68_goodG2BData; [L1550] int CWE190_Integer_Overflow__int_max_preinc_68_goodB2GData; [L1563] CALL printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_max_preinc_68_badData=0, CWE190_Integer_Overflow__int_max_preinc_68_goodB2GData=0, CWE190_Integer_Overflow__int_max_preinc_68_goodG2BData=0, 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) [L1563] RET printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_max_preinc_68_badData=0, CWE190_Integer_Overflow__int_max_preinc_68_goodB2GData=0, CWE190_Integer_Overflow__int_max_preinc_68_goodG2BData=0, 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] [L1564] CALL CWE190_Integer_Overflow__int_max_preinc_68_bad() [L1554] int data; [L1555] data = 0 [L1556] data = 0x7fffffff [L1557] CWE190_Integer_Overflow__int_max_preinc_68_badData = data [L1558] CALL CWE190_Integer_Overflow__int_max_preinc_68b_badSink() [L1573] int data = CWE190_Integer_Overflow__int_max_preinc_68_badData; VAL [CWE190_Integer_Overflow__int_max_preinc_68_badData=2147483647, CWE190_Integer_Overflow__int_max_preinc_68_goodB2GData=0, CWE190_Integer_Overflow__int_max_preinc_68_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1575] ++data VAL [CWE190_Integer_Overflow__int_max_preinc_68_badData=2147483647, CWE190_Integer_Overflow__int_max_preinc_68_goodB2GData=0, CWE190_Integer_Overflow__int_max_preinc_68_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1575]: 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, 43 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 [2023-11-25 00:02:59,936 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb1a3102-6710-41fe-b38e-6281c5c7738f/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