./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_14_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_d7394429-f0ab-4323-9480-c9a044ada92d/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7394429-f0ab-4323-9480-c9a044ada92d/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_d7394429-f0ab-4323-9480-c9a044ada92d/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7394429-f0ab-4323-9480-c9a044ada92d/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_14_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7394429-f0ab-4323-9480-c9a044ada92d/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_d7394429-f0ab-4323-9480-c9a044ada92d/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 6fd51420cc630ad236d24ee5aa35c6f6dfbc8a9dbd545ceb645987d4fc0c7eb4 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:57:19,361 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:57:19,482 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7394429-f0ab-4323-9480-c9a044ada92d/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Overflow-64bit-Taipan_Default.epf [2023-11-24 23:57:19,491 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:57:19,492 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:57:19,541 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:57:19,542 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:57:19,543 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:57:19,544 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:57:19,549 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:57:19,550 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:57:19,550 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:57:19,551 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:57:19,552 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:57:19,553 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:57:19,553 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:57:19,554 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:57:19,554 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:57:19,555 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:57:19,555 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:57:19,556 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:57:19,556 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:57:19,557 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:57:19,560 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:57:19,560 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:57:19,561 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:57:19,561 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:57:19,561 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:57:19,562 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:57:19,562 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:57:19,564 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:57:19,564 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:57:19,564 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:57:19,564 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:57:19,565 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:57:19,565 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:57:19,565 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:57:19,565 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:57:19,566 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:57:19,566 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:57:19,566 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:57:19,567 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:57:19,567 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:57:19,567 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:57:19,568 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:57:19,568 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:57:19,568 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_d7394429-f0ab-4323-9480-c9a044ada92d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7394429-f0ab-4323-9480-c9a044ada92d/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6fd51420cc630ad236d24ee5aa35c6f6dfbc8a9dbd545ceb645987d4fc0c7eb4 [2023-11-24 23:57:19,922 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:57:19,952 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:57:19,954 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:57:19,956 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:57:19,957 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:57:19,959 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7394429-f0ab-4323-9480-c9a044ada92d/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_14_bad.i [2023-11-24 23:57:23,164 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:57:23,632 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:57:23,633 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7394429-f0ab-4323-9480-c9a044ada92d/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_14_bad.i [2023-11-24 23:57:23,658 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7394429-f0ab-4323-9480-c9a044ada92d/bin/utaipan-verify-SwPr7d2a91/data/ad7f2c267/d1d4791135f74a71bb204cfeca4621ad/FLAGeac84b6b7 [2023-11-24 23:57:23,673 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7394429-f0ab-4323-9480-c9a044ada92d/bin/utaipan-verify-SwPr7d2a91/data/ad7f2c267/d1d4791135f74a71bb204cfeca4621ad [2023-11-24 23:57:23,676 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:57:23,677 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:57:23,679 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:57:23,679 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:57:23,685 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:57:23,686 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:57:23" (1/1) ... [2023-11-24 23:57:23,687 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2949a03a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:23, skipping insertion in model container [2023-11-24 23:57:23,687 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:57:23" (1/1) ... [2023-11-24 23:57:23,751 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:57:25,309 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:57:25,321 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:57:25,478 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:57:25,861 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:57:25,861 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:57:25,862 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:57:25,862 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:57:25,870 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:57:25,870 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:25 WrapperNode [2023-11-24 23:57:25,871 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:57:25,872 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:57:25,872 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:57:25,872 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:57:25,880 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:25" (1/1) ... [2023-11-24 23:57:25,911 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:25" (1/1) ... [2023-11-24 23:57:25,946 INFO L138 Inliner]: procedures = 936, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 41 [2023-11-24 23:57:25,947 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:57:25,948 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:57:25,948 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:57:25,948 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:57:25,956 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:25" (1/1) ... [2023-11-24 23:57:25,957 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:25" (1/1) ... [2023-11-24 23:57:25,960 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:25" (1/1) ... [2023-11-24 23:57:25,960 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:25" (1/1) ... [2023-11-24 23:57:25,966 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:25" (1/1) ... [2023-11-24 23:57:25,968 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:25" (1/1) ... [2023-11-24 23:57:25,970 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:25" (1/1) ... [2023-11-24 23:57:25,971 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:25" (1/1) ... [2023-11-24 23:57:25,974 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:57:25,975 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:57:25,975 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:57:25,975 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:57:25,979 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:25" (1/1) ... [2023-11-24 23:57:25,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:57:26,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7394429-f0ab-4323-9480-c9a044ada92d/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:57:26,015 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7394429-f0ab-4323-9480-c9a044ada92d/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:57:26,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7394429-f0ab-4323-9480-c9a044ada92d/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:57:26,072 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:57:26,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:57:26,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:57:26,072 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 23:57:26,072 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 23:57:26,073 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 23:57:26,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:57:26,230 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:57:26,233 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:57:26,350 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:57:26,431 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:57:26,431 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:57:26,433 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:57:26 BoogieIcfgContainer [2023-11-24 23:57:26,433 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:57:26,436 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:57:26,436 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:57:26,443 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:57:26,443 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:57:23" (1/3) ... [2023-11-24 23:57:26,444 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4069603 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:57:26, skipping insertion in model container [2023-11-24 23:57:26,444 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:25" (2/3) ... [2023-11-24 23:57:26,446 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4069603 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:57:26, skipping insertion in model container [2023-11-24 23:57:26,447 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:57:26" (3/3) ... [2023-11-24 23:57:26,448 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_max_square_14_bad.i [2023-11-24 23:57:26,469 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:57:26,470 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-24 23:57:26,532 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:57:26,542 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;@6dda1ab2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:57:26,542 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-24 23:57:26,546 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 23:57:26,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:57:26,557 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:57:26,558 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:57:26,558 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-24 23:57:26,568 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:57:26,568 INFO L85 PathProgramCache]: Analyzing trace with hash 1467123167, now seen corresponding path program 1 times [2023-11-24 23:57:26,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:57:26,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639384748] [2023-11-24 23:57:26,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:57:26,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:57:26,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:57:26,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:57:26,874 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:57:26,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639384748] [2023-11-24 23:57:26,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1639384748] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:57:26,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:57:26,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-24 23:57:26,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49560324] [2023-11-24 23:57:26,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:57:26,888 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-24 23:57:26,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:57:26,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-24 23:57:26,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 23:57:26,935 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 5.0) internal successors, (5), 2 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 23:57:26,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:57:26,987 INFO L93 Difference]: Finished difference Result 14 states and 15 transitions. [2023-11-24 23:57:26,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 23:57:26,990 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 5.0) internal successors, (5), 2 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) Word has length 7 [2023-11-24 23:57:26,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:57:26,998 INFO L225 Difference]: With dead ends: 14 [2023-11-24 23:57:26,998 INFO L226 Difference]: Without dead ends: 9 [2023-11-24 23:57:27,001 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 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 23:57:27,007 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-24 23:57:27,008 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 9 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-24 23:57:27,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2023-11-24 23:57:27,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2023-11-24 23:57:27,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 6 states have (on average 1.0) internal successors, (6), 6 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 23:57:27,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 8 transitions. [2023-11-24 23:57:27,048 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 8 transitions. Word has length 7 [2023-11-24 23:57:27,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:57:27,048 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 8 transitions. [2023-11-24 23:57:27,049 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 5.0) internal successors, (5), 2 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 23:57:27,050 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2023-11-24 23:57:27,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:57:27,052 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:57:27,052 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:57:27,052 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-24 23:57:27,053 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-24 23:57:27,054 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:57:27,054 INFO L85 PathProgramCache]: Analyzing trace with hash -1763822024, now seen corresponding path program 1 times [2023-11-24 23:57:27,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:57:27,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804082473] [2023-11-24 23:57:27,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:57:27,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:57:27,101 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-24 23:57:27,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [541205847] [2023-11-24 23:57:27,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:57:27,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:57:27,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7394429-f0ab-4323-9480-c9a044ada92d/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:57:27,109 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7394429-f0ab-4323-9480-c9a044ada92d/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 23:57:27,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7394429-f0ab-4323-9480-c9a044ada92d/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-24 23:57:27,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:57:27,250 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:57:27,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:57:27,301 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-24 23:57:27,302 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-24 23:57:27,303 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2023-11-24 23:57:27,306 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2023-11-24 23:57:27,318 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7394429-f0ab-4323-9480-c9a044ada92d/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-24 23:57:27,512 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7394429-f0ab-4323-9480-c9a044ada92d/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:57:27,517 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-24 23:57:27,523 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-24 23:57:27,542 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet183 [2023-11-24 23:57:27,558 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 11:57:27 BoogieIcfgContainer [2023-11-24 23:57:27,559 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-24 23:57:27,559 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:57:27,560 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:57:27,560 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:57:27,561 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:57:26" (3/4) ... [2023-11-24 23:57:27,565 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:57:27,566 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:57:27,568 INFO L158 Benchmark]: Toolchain (without parser) took 3889.94ms. Allocated memory was 190.8MB in the beginning and 230.7MB in the end (delta: 39.8MB). Free memory was 156.9MB in the beginning and 176.1MB in the end (delta: -19.1MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. [2023-11-24 23:57:27,570 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 121.6MB. Free memory is still 88.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:57:27,576 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2191.98ms. Allocated memory is still 190.8MB. Free memory was 156.9MB in the beginning and 102.0MB in the end (delta: 55.0MB). Peak memory consumption was 102.7MB. Max. memory is 16.1GB. [2023-11-24 23:57:27,577 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.24ms. Allocated memory is still 190.8MB. Free memory was 102.0MB in the beginning and 97.8MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:57:27,579 INFO L158 Benchmark]: Boogie Preprocessor took 26.51ms. Allocated memory is still 190.8MB. Free memory was 97.8MB in the beginning and 96.8MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:57:27,579 INFO L158 Benchmark]: RCFGBuilder took 458.55ms. Allocated memory is still 190.8MB. Free memory was 96.8MB in the beginning and 83.2MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 23:57:27,580 INFO L158 Benchmark]: TraceAbstraction took 1122.89ms. Allocated memory was 190.8MB in the beginning and 230.7MB in the end (delta: 39.8MB). Free memory was 82.1MB in the beginning and 176.1MB in the end (delta: -94.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:57:27,580 INFO L158 Benchmark]: Witness Printer took 7.27ms. Allocated memory is still 230.7MB. Free memory is still 176.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:57:27,589 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 121.6MB. Free memory is still 88.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2191.98ms. Allocated memory is still 190.8MB. Free memory was 156.9MB in the beginning and 102.0MB in the end (delta: 55.0MB). Peak memory consumption was 102.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.24ms. Allocated memory is still 190.8MB. Free memory was 102.0MB in the beginning and 97.8MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.51ms. Allocated memory is still 190.8MB. Free memory was 97.8MB in the beginning and 96.8MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 458.55ms. Allocated memory is still 190.8MB. Free memory was 96.8MB in the beginning and 83.2MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1122.89ms. Allocated memory was 190.8MB in the beginning and 230.7MB in the end (delta: 39.8MB). Free memory was 82.1MB in the beginning and 176.1MB in the end (delta: -94.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.27ms. Allocated memory is still 230.7MB. Free memory is still 176.1MB. 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~nondet183 - 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: 1843]: 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 1851. 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); [L1851] 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) [L1851] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=13, argc=13, argv={12:14}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1852] CALL CWE190_Integer_Overflow__int_max_square_14_bad() [L1834] int data; [L1835] data = 0 [L1836] COND TRUE globalFive==5 [L1838] data = 0x7fffffff VAL [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] [L1840] COND TRUE globalFive==5 VAL [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] [L1843] data * data VAL [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: 1843]: 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, 9 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 9 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 1 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, 0.1s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 6 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 23:57:27,621 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7394429-f0ab-4323-9480-c9a044ada92d/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_d7394429-f0ab-4323-9480-c9a044ada92d/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7394429-f0ab-4323-9480-c9a044ada92d/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_d7394429-f0ab-4323-9480-c9a044ada92d/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7394429-f0ab-4323-9480-c9a044ada92d/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_14_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7394429-f0ab-4323-9480-c9a044ada92d/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_d7394429-f0ab-4323-9480-c9a044ada92d/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 6fd51420cc630ad236d24ee5aa35c6f6dfbc8a9dbd545ceb645987d4fc0c7eb4 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:57:30,384 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:57:30,535 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7394429-f0ab-4323-9480-c9a044ada92d/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2023-11-24 23:57:30,544 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:57:30,545 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:57:30,596 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:57:30,597 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:57:30,598 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:57:30,599 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:57:30,605 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:57:30,605 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:57:30,606 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:57:30,606 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:57:30,608 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:57:30,609 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:57:30,609 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:57:30,611 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:57:30,611 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:57:30,612 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:57:30,613 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:57:30,614 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:57:30,614 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:57:30,615 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:57:30,615 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:57:30,615 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:57:30,616 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:57:30,616 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:57:30,617 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:57:30,617 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:57:30,618 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:57:30,619 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-24 23:57:30,620 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:57:30,620 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:57:30,620 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:57:30,621 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:57:30,621 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:57:30,621 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:57:30,622 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:57:30,622 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:57:30,623 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:57:30,623 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:57:30,624 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:57:30,624 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:57:30,624 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_d7394429-f0ab-4323-9480-c9a044ada92d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7394429-f0ab-4323-9480-c9a044ada92d/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6fd51420cc630ad236d24ee5aa35c6f6dfbc8a9dbd545ceb645987d4fc0c7eb4 [2023-11-24 23:57:31,056 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:57:31,082 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:57:31,087 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:57:31,088 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:57:31,089 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:57:31,090 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7394429-f0ab-4323-9480-c9a044ada92d/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_14_bad.i [2023-11-24 23:57:34,380 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:57:34,891 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:57:34,891 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7394429-f0ab-4323-9480-c9a044ada92d/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_14_bad.i [2023-11-24 23:57:34,931 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7394429-f0ab-4323-9480-c9a044ada92d/bin/utaipan-verify-SwPr7d2a91/data/dd37e8a61/1e488ae7ab984efb9a08d15009ed42ff/FLAGc3d42f0af [2023-11-24 23:57:34,950 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7394429-f0ab-4323-9480-c9a044ada92d/bin/utaipan-verify-SwPr7d2a91/data/dd37e8a61/1e488ae7ab984efb9a08d15009ed42ff [2023-11-24 23:57:34,955 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:57:34,957 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:57:34,961 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:57:34,961 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:57:34,966 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:57:34,967 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:57:34" (1/1) ... [2023-11-24 23:57:34,968 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44b1c73a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:34, skipping insertion in model container [2023-11-24 23:57:34,969 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:57:34" (1/1) ... [2023-11-24 23:57:35,078 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:57:36,990 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:57:37,005 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:57:37,108 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:57:37,375 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:57:37,376 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:57:37,376 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:57:37,376 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:57:37,384 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:57:37,385 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:37 WrapperNode [2023-11-24 23:57:37,385 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:57:37,386 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:57:37,386 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:57:37,387 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:57:37,395 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:37" (1/1) ... [2023-11-24 23:57:37,444 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:37" (1/1) ... [2023-11-24 23:57:37,478 INFO L138 Inliner]: procedures = 941, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 41 [2023-11-24 23:57:37,479 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:57:37,480 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:57:37,480 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:57:37,480 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:57:37,490 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:37" (1/1) ... [2023-11-24 23:57:37,490 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:37" (1/1) ... [2023-11-24 23:57:37,495 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:37" (1/1) ... [2023-11-24 23:57:37,495 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:37" (1/1) ... [2023-11-24 23:57:37,504 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:37" (1/1) ... [2023-11-24 23:57:37,506 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:37" (1/1) ... [2023-11-24 23:57:37,509 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:37" (1/1) ... [2023-11-24 23:57:37,511 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:37" (1/1) ... [2023-11-24 23:57:37,516 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:57:37,517 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:57:37,517 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:57:37,517 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:57:37,518 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:37" (1/1) ... [2023-11-24 23:57:37,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:57:37,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7394429-f0ab-4323-9480-c9a044ada92d/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:57:37,575 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7394429-f0ab-4323-9480-c9a044ada92d/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:57:37,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7394429-f0ab-4323-9480-c9a044ada92d/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:57:37,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:57:37,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:57:37,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:57:37,617 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 23:57:37,617 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 23:57:37,617 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 23:57:37,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:57:37,829 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:57:37,831 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:57:39,190 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:57:39,224 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:57:39,224 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:57:39,225 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:57:39 BoogieIcfgContainer [2023-11-24 23:57:39,225 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:57:39,227 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:57:39,228 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:57:39,231 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:57:39,231 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:57:34" (1/3) ... [2023-11-24 23:57:39,232 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73a715ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:57:39, skipping insertion in model container [2023-11-24 23:57:39,233 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:37" (2/3) ... [2023-11-24 23:57:39,233 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73a715ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:57:39, skipping insertion in model container [2023-11-24 23:57:39,233 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:57:39" (3/3) ... [2023-11-24 23:57:39,235 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_max_square_14_bad.i [2023-11-24 23:57:39,257 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:57:39,257 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-24 23:57:39,302 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:57:39,308 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;@1092f6a6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:57:39,308 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-24 23:57:39,313 INFO L276 IsEmpty]: Start isEmpty. Operand has 17 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 13 states have internal predecessors, (16), 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 23:57:39,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 23:57:39,321 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:57:39,322 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:57:39,323 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-24 23:57:39,329 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:57:39,330 INFO L85 PathProgramCache]: Analyzing trace with hash -1013506268, now seen corresponding path program 1 times [2023-11-24 23:57:39,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:57:39,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1312832218] [2023-11-24 23:57:39,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:57:39,352 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 23:57:39,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7394429-f0ab-4323-9480-c9a044ada92d/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:57:39,354 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7394429-f0ab-4323-9480-c9a044ada92d/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 23:57:39,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7394429-f0ab-4323-9480-c9a044ada92d/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 23:57:39,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:57:39,502 INFO L262 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:57:39,506 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:57:39,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:57:39,543 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:57:39,544 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:57:39,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1312832218] [2023-11-24 23:57:39,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1312832218] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:57:39,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:57:39,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 23:57:39,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53289705] [2023-11-24 23:57:39,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:57:39,555 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:57:39,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:57:39,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:57:39,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:57:39,590 INFO L87 Difference]: Start difference. First operand has 17 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 13 states have internal predecessors, (16), 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, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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 23:57:40,964 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:57:40,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:57:40,990 INFO L93 Difference]: Finished difference Result 38 states and 42 transitions. [2023-11-24 23:57:40,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 23:57:40,993 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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) Word has length 10 [2023-11-24 23:57:40,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:57:41,000 INFO L225 Difference]: With dead ends: 38 [2023-11-24 23:57:41,000 INFO L226 Difference]: Without dead ends: 13 [2023-11-24 23:57:41,003 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:57:41,007 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 9 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-24 23:57:41,008 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 33 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-24 23:57:41,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2023-11-24 23:57:41,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2023-11-24 23:57:41,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-24 23:57:41,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2023-11-24 23:57:41,044 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 10 [2023-11-24 23:57:41,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:57:41,045 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2023-11-24 23:57:41,045 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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 23:57:41,045 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2023-11-24 23:57:41,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 23:57:41,046 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:57:41,046 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:57:41,054 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7394429-f0ab-4323-9480-c9a044ada92d/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 23:57:41,251 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7394429-f0ab-4323-9480-c9a044ada92d/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 23:57:41,251 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-24 23:57:41,252 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:57:41,252 INFO L85 PathProgramCache]: Analyzing trace with hash -1013508190, now seen corresponding path program 1 times [2023-11-24 23:57:41,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:57:41,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1510471322] [2023-11-24 23:57:41,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:57:41,253 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 23:57:41,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7394429-f0ab-4323-9480-c9a044ada92d/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:57:41,255 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7394429-f0ab-4323-9480-c9a044ada92d/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 23:57:41,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7394429-f0ab-4323-9480-c9a044ada92d/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 23:57:41,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:57:41,409 INFO L262 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:57:41,412 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:57:41,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:57:41,435 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:57:41,435 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:57:41,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1510471322] [2023-11-24 23:57:41,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1510471322] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:57:41,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:57:41,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 23:57:41,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999296503] [2023-11-24 23:57:41,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:57:41,441 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:57:41,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:57:41,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:57:41,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:57:41,443 INFO L87 Difference]: Start difference. First operand 13 states and 13 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 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 23:57:41,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:57:41,526 INFO L93 Difference]: Finished difference Result 13 states and 13 transitions. [2023-11-24 23:57:41,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 23:57:41,531 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 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) Word has length 10 [2023-11-24 23:57:41,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:57:41,532 INFO L225 Difference]: With dead ends: 13 [2023-11-24 23:57:41,532 INFO L226 Difference]: Without dead ends: 12 [2023-11-24 23:57:41,533 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:57:41,534 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 2 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-24 23:57:41,535 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 15 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-24 23:57:41,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2023-11-24 23:57:41,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2023-11-24 23:57:41,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 9 states have internal predecessors, (10), 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 23:57:41,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-24 23:57:41,539 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 10 [2023-11-24 23:57:41,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:57:41,540 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2023-11-24 23:57:41,540 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 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 23:57:41,540 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-24 23:57:41,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 23:57:41,541 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:57:41,541 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:57:41,549 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7394429-f0ab-4323-9480-c9a044ada92d/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 23:57:41,746 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7394429-f0ab-4323-9480-c9a044ada92d/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 23:57:41,746 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-24 23:57:41,747 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:57:41,747 INFO L85 PathProgramCache]: Analyzing trace with hash -1353982763, now seen corresponding path program 1 times [2023-11-24 23:57:41,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:57:41,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [814548942] [2023-11-24 23:57:41,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:57:41,748 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 23:57:41,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7394429-f0ab-4323-9480-c9a044ada92d/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:57:41,753 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7394429-f0ab-4323-9480-c9a044ada92d/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 23:57:41,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7394429-f0ab-4323-9480-c9a044ada92d/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 (4)] Waiting until timeout for monitored process [2023-11-24 23:57:41,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:57:41,880 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:57:41,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:57:41,954 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2023-11-24 23:57:41,954 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-24 23:57:41,955 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2023-11-24 23:57:41,962 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2023-11-24 23:57:41,972 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7394429-f0ab-4323-9480-c9a044ada92d/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 (4)] Forceful destruction successful, exit code 0 [2023-11-24 23:57:42,162 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7394429-f0ab-4323-9480-c9a044ada92d/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 23:57:42,166 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-24 23:57:42,169 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-24 23:57:42,190 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet181 [2023-11-24 23:57:42,197 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 11:57:42 BoogieIcfgContainer [2023-11-24 23:57:42,198 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-24 23:57:42,198 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:57:42,199 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:57:42,199 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:57:42,199 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:57:39" (3/4) ... [2023-11-24 23:57:42,202 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:57:42,202 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:57:42,203 INFO L158 Benchmark]: Toolchain (without parser) took 7245.76ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 57.0MB in the beginning and 41.2MB in the end (delta: 15.8MB). Peak memory consumption was 37.8MB. Max. memory is 16.1GB. [2023-11-24 23:57:42,204 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 58.7MB. Free memory was 34.4MB in the beginning and 34.4MB in the end (delta: 92.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:57:42,204 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2424.69ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 56.8MB in the beginning and 63.6MB in the end (delta: -6.8MB). Peak memory consumption was 42.3MB. Max. memory is 16.1GB. [2023-11-24 23:57:42,205 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.94ms. Allocated memory is still 104.9MB. Free memory was 63.6MB in the beginning and 59.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:57:42,205 INFO L158 Benchmark]: Boogie Preprocessor took 36.45ms. Allocated memory is still 104.9MB. Free memory was 59.4MB in the beginning and 58.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:57:42,206 INFO L158 Benchmark]: RCFGBuilder took 1708.31ms. Allocated memory is still 104.9MB. Free memory was 58.0MB in the beginning and 42.6MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 23:57:42,206 INFO L158 Benchmark]: TraceAbstraction took 2970.42ms. Allocated memory is still 104.9MB. Free memory was 42.0MB in the beginning and 42.0MB in the end (delta: -2.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:57:42,207 INFO L158 Benchmark]: Witness Printer took 4.02ms. Allocated memory is still 104.9MB. Free memory was 42.0MB in the beginning and 41.2MB in the end (delta: 791.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:57:42,209 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 58.7MB. Free memory was 34.4MB in the beginning and 34.4MB in the end (delta: 92.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2424.69ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 56.8MB in the beginning and 63.6MB in the end (delta: -6.8MB). Peak memory consumption was 42.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.94ms. Allocated memory is still 104.9MB. Free memory was 63.6MB in the beginning and 59.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.45ms. Allocated memory is still 104.9MB. Free memory was 59.4MB in the beginning and 58.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1708.31ms. Allocated memory is still 104.9MB. Free memory was 58.0MB in the beginning and 42.6MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 2970.42ms. Allocated memory is still 104.9MB. Free memory was 42.0MB in the beginning and 42.0MB in the end (delta: -2.4kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.02ms. Allocated memory is still 104.9MB. Free memory was 42.0MB in the beginning and 41.2MB in the end (delta: 791.1kB). 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~nondet181 - 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: 1843]: 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 1851. 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); [L1851] 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) [L1851] 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] [L1852] CALL CWE190_Integer_Overflow__int_max_square_14_bad() [L1834] int data; [L1835] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1836] COND TRUE globalFive==5 [L1838] data = 0x7fffffff VAL [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] [L1840] COND TRUE globalFive==5 VAL [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] [L1843] data * data VAL [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: 1843]: 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, 17 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 2.9s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11 mSDsluCounter, 48 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 19 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 14 IncrementalHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 29 mSDtfsCounter, 14 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred in iteration=0, InterpolantAutomatonStates: 6, 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 31 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 25 SizeOfPredicates, 0 NumberOfNonLiveVariables, 81 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 23:57:42,236 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7394429-f0ab-4323-9480-c9a044ada92d/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