./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_03_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_b661af16-9958-4588-a531-cafe75d25e5f/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b661af16-9958-4588-a531-cafe75d25e5f/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_b661af16-9958-4588-a531-cafe75d25e5f/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b661af16-9958-4588-a531-cafe75d25e5f/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_03_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b661af16-9958-4588-a531-cafe75d25e5f/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_b661af16-9958-4588-a531-cafe75d25e5f/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 979cc1f4dad9f30aa1325a71412f0ba3d78e22fa4e48719d5e9b50057729e514 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:55:35,797 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:55:35,923 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b661af16-9958-4588-a531-cafe75d25e5f/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Overflow-64bit-Taipan_Default.epf [2023-11-24 23:55:35,938 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:55:35,939 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:55:35,974 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:55:35,974 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:55:35,975 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:55:35,976 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:55:35,981 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:55:35,982 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:55:35,982 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:55:35,983 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:55:35,984 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:55:35,985 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:55:35,985 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:55:35,986 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:55:35,986 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:55:35,986 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:55:35,987 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:55:35,987 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:55:35,988 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:55:35,989 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:55:35,990 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:55:35,990 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:55:35,990 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:55:35,991 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:55:35,991 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:55:35,992 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:55:35,992 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:55:35,993 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:55:35,994 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:55:35,994 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:55:35,995 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:55:35,995 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:55:35,995 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:55:35,995 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:55:35,996 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:55:35,996 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:55:35,996 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:55:35,997 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:55:35,997 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:55:35,997 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:55:35,998 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:55:35,998 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:55:35,998 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:55:35,999 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_b661af16-9958-4588-a531-cafe75d25e5f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b661af16-9958-4588-a531-cafe75d25e5f/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 979cc1f4dad9f30aa1325a71412f0ba3d78e22fa4e48719d5e9b50057729e514 [2023-11-24 23:55:36,346 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:55:36,374 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:55:36,376 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:55:36,378 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:55:36,378 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:55:36,380 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b661af16-9958-4588-a531-cafe75d25e5f/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_03_bad.i [2023-11-24 23:55:39,569 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:55:39,939 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:55:39,940 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b661af16-9958-4588-a531-cafe75d25e5f/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_03_bad.i [2023-11-24 23:55:39,980 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b661af16-9958-4588-a531-cafe75d25e5f/bin/utaipan-verify-SwPr7d2a91/data/f965e819d/114a45a3f7874cf094597a78c80510dd/FLAG82bc491f5 [2023-11-24 23:55:40,001 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b661af16-9958-4588-a531-cafe75d25e5f/bin/utaipan-verify-SwPr7d2a91/data/f965e819d/114a45a3f7874cf094597a78c80510dd [2023-11-24 23:55:40,006 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:55:40,008 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:55:40,009 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:55:40,009 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:55:40,016 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:55:40,017 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:55:40" (1/1) ... [2023-11-24 23:55:40,018 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@275800ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:40, skipping insertion in model container [2023-11-24 23:55:40,018 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:55:40" (1/1) ... [2023-11-24 23:55:40,098 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:55:41,265 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:55:41,281 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:55:41,417 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:55:41,580 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:55:41,581 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:55:41,581 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:55:41,581 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:55:41,589 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:55:41,590 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:41 WrapperNode [2023-11-24 23:55:41,590 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:55:41,591 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:55:41,591 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:55:41,592 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:55:41,598 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:41" (1/1) ... [2023-11-24 23:55:41,625 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:41" (1/1) ... [2023-11-24 23:55:41,652 INFO L138 Inliner]: procedures = 498, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 42 [2023-11-24 23:55:41,653 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:55:41,654 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:55:41,654 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:55:41,654 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:55:41,664 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:41" (1/1) ... [2023-11-24 23:55:41,665 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:41" (1/1) ... [2023-11-24 23:55:41,671 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:41" (1/1) ... [2023-11-24 23:55:41,671 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:41" (1/1) ... [2023-11-24 23:55:41,677 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:41" (1/1) ... [2023-11-24 23:55:41,679 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:41" (1/1) ... [2023-11-24 23:55:41,681 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:41" (1/1) ... [2023-11-24 23:55:41,682 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:41" (1/1) ... [2023-11-24 23:55:41,685 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:55:41,699 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:55:41,699 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:55:41,699 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:55:41,700 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:41" (1/1) ... [2023-11-24 23:55:41,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:55:41,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b661af16-9958-4588-a531-cafe75d25e5f/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:55:41,733 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b661af16-9958-4588-a531-cafe75d25e5f/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:55:41,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b661af16-9958-4588-a531-cafe75d25e5f/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:55:41,779 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 23:55:41,780 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 23:55:41,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:55:41,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:55:41,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:55:41,783 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 23:55:41,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:55:41,976 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:55:41,978 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:55:42,097 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:55:42,145 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:55:42,145 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 23:55:42,147 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:55:42 BoogieIcfgContainer [2023-11-24 23:55:42,147 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:55:42,150 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:55:42,150 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:55:42,158 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:55:42,158 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:55:40" (1/3) ... [2023-11-24 23:55:42,159 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@965446 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:55:42, skipping insertion in model container [2023-11-24 23:55:42,159 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:41" (2/3) ... [2023-11-24 23:55:42,160 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@965446 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:55:42, skipping insertion in model container [2023-11-24 23:55:42,160 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:55:42" (3/3) ... [2023-11-24 23:55:42,161 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_max_multiply_03_bad.i [2023-11-24 23:55:42,178 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:55:42,178 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-24 23:55:42,228 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:55:42,237 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;@17eb0123, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:55:42,237 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-24 23:55:42,242 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 23:55:42,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:55:42,251 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:55:42,252 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:55:42,253 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-24 23:55:42,263 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:55:42,264 INFO L85 PathProgramCache]: Analyzing trace with hash 1757591460, now seen corresponding path program 1 times [2023-11-24 23:55:42,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:55:42,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644432208] [2023-11-24 23:55:42,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:55:42,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:55:42,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:55:42,544 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 23:55:42,545 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:55:42,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644432208] [2023-11-24 23:55:42,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1644432208] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:55:42,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:55:42,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 23:55:42,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411822832] [2023-11-24 23:55:42,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:55:42,555 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:55:42,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:55:42,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:55:42,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:55:42,592 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 3 states, 2 states have (on average 2.5) internal successors, (5), 3 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 23:55:42,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:55:42,626 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2023-11-24 23:55:42,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 23:55:42,634 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 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 23:55:42,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:55:42,642 INFO L225 Difference]: With dead ends: 16 [2023-11-24 23:55:42,642 INFO L226 Difference]: Without dead ends: 9 [2023-11-24 23:55:42,646 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:55:42,652 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 2 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-24 23:55:42,653 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 4 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-24 23:55:42,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2023-11-24 23:55:42,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2023-11-24 23:55:42,689 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 23:55:42,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 8 transitions. [2023-11-24 23:55:42,691 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 8 transitions. Word has length 7 [2023-11-24 23:55:42,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:55:42,692 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 8 transitions. [2023-11-24 23:55:42,692 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 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 23:55:42,693 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2023-11-24 23:55:42,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:55:42,694 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:55:42,694 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:55:42,694 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-24 23:55:42,695 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-24 23:55:42,696 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:55:42,696 INFO L85 PathProgramCache]: Analyzing trace with hash -1349239531, now seen corresponding path program 1 times [2023-11-24 23:55:42,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:55:42,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810851871] [2023-11-24 23:55:42,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:55:42,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:55:42,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:55:42,729 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:55:42,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:55:42,767 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-24 23:55:42,767 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-24 23:55:42,769 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2023-11-24 23:55:42,771 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2023-11-24 23:55:42,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-24 23:55:42,775 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-24 23:55:42,793 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-24 23:55:42,808 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet99 [2023-11-24 23:55:42,818 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 11:55:42 BoogieIcfgContainer [2023-11-24 23:55:42,818 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-24 23:55:42,819 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:55:42,819 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:55:42,819 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:55:42,820 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:55:42" (3/4) ... [2023-11-24 23:55:42,822 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:55:42,823 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:55:42,824 INFO L158 Benchmark]: Toolchain (without parser) took 2816.32ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 95.3MB in the beginning and 74.7MB in the end (delta: 20.6MB). Peak memory consumption was 50.4MB. Max. memory is 16.1GB. [2023-11-24 23:55:42,825 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 146.8MB. Free memory is still 96.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:55:42,825 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1581.39ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 95.3MB in the beginning and 121.9MB in the end (delta: -26.6MB). Peak memory consumption was 52.5MB. Max. memory is 16.1GB. [2023-11-24 23:55:42,826 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.84ms. Allocated memory is still 176.2MB. Free memory was 121.9MB in the beginning and 119.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:55:42,827 INFO L158 Benchmark]: Boogie Preprocessor took 32.22ms. Allocated memory is still 176.2MB. Free memory was 119.8MB in the beginning and 117.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:55:42,827 INFO L158 Benchmark]: RCFGBuilder took 448.47ms. Allocated memory is still 176.2MB. Free memory was 117.7MB in the beginning and 104.1MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 23:55:42,828 INFO L158 Benchmark]: TraceAbstraction took 668.09ms. Allocated memory is still 176.2MB. Free memory was 104.1MB in the beginning and 75.7MB in the end (delta: 28.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-24 23:55:42,828 INFO L158 Benchmark]: Witness Printer took 4.77ms. Allocated memory is still 176.2MB. Free memory is still 74.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:55:42,831 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 146.8MB. Free memory is still 96.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1581.39ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 95.3MB in the beginning and 121.9MB in the end (delta: -26.6MB). Peak memory consumption was 52.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.84ms. Allocated memory is still 176.2MB. Free memory was 121.9MB in the beginning and 119.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.22ms. Allocated memory is still 176.2MB. Free memory was 119.8MB in the beginning and 117.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 448.47ms. Allocated memory is still 176.2MB. Free memory was 117.7MB in the beginning and 104.1MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 668.09ms. Allocated memory is still 176.2MB. Free memory was 104.1MB in the beginning and 75.7MB in the end (delta: 28.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Witness Printer took 4.77ms. Allocated memory is still 176.2MB. Free memory is still 74.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet99 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1560]: 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 1568. 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); [L1568] 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) [L1568] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=2147483648, argc=2147483648, argv={2147483650:2147483649}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE190_Integer_Overflow__int_max_multiply_03_bad() [L1550] int data; [L1551] data = 0 [L1554] 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] [L1558] COND TRUE data > 0 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] [L1560] data * 2 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: 1560]: 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: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 2 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 23:55:42,860 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b661af16-9958-4588-a531-cafe75d25e5f/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_b661af16-9958-4588-a531-cafe75d25e5f/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b661af16-9958-4588-a531-cafe75d25e5f/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_b661af16-9958-4588-a531-cafe75d25e5f/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b661af16-9958-4588-a531-cafe75d25e5f/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_03_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b661af16-9958-4588-a531-cafe75d25e5f/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_b661af16-9958-4588-a531-cafe75d25e5f/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 979cc1f4dad9f30aa1325a71412f0ba3d78e22fa4e48719d5e9b50057729e514 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:55:45,558 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:55:45,661 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b661af16-9958-4588-a531-cafe75d25e5f/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2023-11-24 23:55:45,668 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:55:45,669 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:55:45,702 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:55:45,703 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:55:45,704 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:55:45,705 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:55:45,706 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:55:45,706 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:55:45,707 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:55:45,708 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:55:45,708 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:55:45,709 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:55:45,710 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:55:45,711 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:55:45,716 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:55:45,717 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:55:45,717 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:55:45,718 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:55:45,723 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:55:45,723 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:55:45,724 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:55:45,724 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:55:45,725 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:55:45,725 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:55:45,726 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:55:45,726 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:55:45,727 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:55:45,727 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-24 23:55:45,728 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:55:45,728 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:55:45,729 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:55:45,729 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:55:45,730 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:55:45,730 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:55:45,731 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:55:45,731 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:55:45,732 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:55:45,732 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:55:45,734 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:55:45,734 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:55:45,735 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_b661af16-9958-4588-a531-cafe75d25e5f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b661af16-9958-4588-a531-cafe75d25e5f/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 979cc1f4dad9f30aa1325a71412f0ba3d78e22fa4e48719d5e9b50057729e514 [2023-11-24 23:55:46,188 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:55:46,215 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:55:46,220 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:55:46,221 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:55:46,223 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:55:46,224 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b661af16-9958-4588-a531-cafe75d25e5f/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_03_bad.i [2023-11-24 23:55:49,509 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:55:50,012 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:55:50,013 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b661af16-9958-4588-a531-cafe75d25e5f/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_03_bad.i [2023-11-24 23:55:50,051 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b661af16-9958-4588-a531-cafe75d25e5f/bin/utaipan-verify-SwPr7d2a91/data/90ad7328f/ec8fbeb9a3fd4482a3dbd331b4e0cd90/FLAGa557ea881 [2023-11-24 23:55:50,071 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b661af16-9958-4588-a531-cafe75d25e5f/bin/utaipan-verify-SwPr7d2a91/data/90ad7328f/ec8fbeb9a3fd4482a3dbd331b4e0cd90 [2023-11-24 23:55:50,079 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:55:50,082 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:55:50,085 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:55:50,086 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:55:50,091 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:55:50,092 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:55:50" (1/1) ... [2023-11-24 23:55:50,093 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@148a7404 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:50, skipping insertion in model container [2023-11-24 23:55:50,093 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:55:50" (1/1) ... [2023-11-24 23:55:50,171 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:55:51,185 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:55:51,200 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:55:51,333 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:55:51,500 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:55:51,501 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:55:51,501 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:55:51,501 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:55:51,509 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:55:51,510 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:51 WrapperNode [2023-11-24 23:55:51,510 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:55:51,512 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:55:51,512 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:55:51,512 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:55:51,520 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:51" (1/1) ... [2023-11-24 23:55:51,551 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:51" (1/1) ... [2023-11-24 23:55:51,577 INFO L138 Inliner]: procedures = 503, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 42 [2023-11-24 23:55:51,578 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:55:51,579 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:55:51,579 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:55:51,579 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:55:51,601 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:51" (1/1) ... [2023-11-24 23:55:51,601 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:51" (1/1) ... [2023-11-24 23:55:51,606 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:51" (1/1) ... [2023-11-24 23:55:51,606 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:51" (1/1) ... [2023-11-24 23:55:51,628 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:51" (1/1) ... [2023-11-24 23:55:51,644 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:51" (1/1) ... [2023-11-24 23:55:51,647 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:51" (1/1) ... [2023-11-24 23:55:51,649 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:51" (1/1) ... [2023-11-24 23:55:51,653 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:55:51,655 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:55:51,655 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:55:51,655 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:55:51,667 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:51" (1/1) ... [2023-11-24 23:55:51,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:55:51,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b661af16-9958-4588-a531-cafe75d25e5f/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:55:51,724 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b661af16-9958-4588-a531-cafe75d25e5f/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:55:51,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b661af16-9958-4588-a531-cafe75d25e5f/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:55:51,776 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 23:55:51,777 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 23:55:51,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:55:51,777 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:55:51,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:55:51,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:55:51,778 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 23:55:52,016 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:55:52,020 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:55:52,192 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:55:52,258 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:55:52,258 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 23:55:52,259 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:55:52 BoogieIcfgContainer [2023-11-24 23:55:52,259 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:55:52,261 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:55:52,261 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:55:52,265 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:55:52,266 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:55:50" (1/3) ... [2023-11-24 23:55:52,266 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c1818d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:55:52, skipping insertion in model container [2023-11-24 23:55:52,267 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:51" (2/3) ... [2023-11-24 23:55:52,271 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c1818d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:55:52, skipping insertion in model container [2023-11-24 23:55:52,271 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:55:52" (3/3) ... [2023-11-24 23:55:52,272 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_max_multiply_03_bad.i [2023-11-24 23:55:52,293 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:55:52,294 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-24 23:55:52,356 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:55:52,363 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;@3afc7922, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:55:52,364 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-24 23:55:52,370 INFO L276 IsEmpty]: Start isEmpty. Operand has 17 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 13 states have internal predecessors, (17), 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 23:55:52,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 23:55:52,379 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:55:52,380 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:55:52,381 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-24 23:55:52,392 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:55:52,393 INFO L85 PathProgramCache]: Analyzing trace with hash 1856173449, now seen corresponding path program 1 times [2023-11-24 23:55:52,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:55:52,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1181945219] [2023-11-24 23:55:52,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:55:52,413 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 23:55:52,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b661af16-9958-4588-a531-cafe75d25e5f/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:55:52,419 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b661af16-9958-4588-a531-cafe75d25e5f/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 23:55:52,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b661af16-9958-4588-a531-cafe75d25e5f/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 23:55:52,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:55:52,562 INFO L262 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:55:52,567 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:55:52,608 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 23:55:52,608 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:55:52,609 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:55:52,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1181945219] [2023-11-24 23:55:52,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1181945219] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:55:52,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:55:52,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 23:55:52,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051322839] [2023-11-24 23:55:52,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:55:52,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-24 23:55:52,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:55:52,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-24 23:55:52,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 23:55:52,664 INFO L87 Difference]: Start difference. First operand has 17 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 13 states have internal predecessors, (17), 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, 2 states have (on average 4.0) internal successors, (8), 2 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 23:55:52,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:55:52,720 INFO L93 Difference]: Finished difference Result 30 states and 36 transitions. [2023-11-24 23:55:52,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 23:55:52,736 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 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 23:55:52,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:55:52,746 INFO L225 Difference]: With dead ends: 30 [2023-11-24 23:55:52,746 INFO L226 Difference]: Without dead ends: 13 [2023-11-24 23:55:52,750 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 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 23:55:52,758 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-24 23:55:52,760 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 16 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-24 23:55:52,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2023-11-24 23:55:52,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2023-11-24 23:55:52,798 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 23:55:52,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2023-11-24 23:55:52,801 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 10 [2023-11-24 23:55:52,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:55:52,802 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2023-11-24 23:55:52,802 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 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 23:55:52,802 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2023-11-24 23:55:52,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 23:55:52,804 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:55:52,804 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:55:52,815 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b661af16-9958-4588-a531-cafe75d25e5f/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 23:55:53,008 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b661af16-9958-4588-a531-cafe75d25e5f/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 23:55:53,009 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-24 23:55:53,009 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:55:53,010 INFO L85 PathProgramCache]: Analyzing trace with hash 1856171527, now seen corresponding path program 1 times [2023-11-24 23:55:53,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:55:53,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1801431648] [2023-11-24 23:55:53,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:55:53,011 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 23:55:53,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b661af16-9958-4588-a531-cafe75d25e5f/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:55:53,013 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b661af16-9958-4588-a531-cafe75d25e5f/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 23:55:53,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b661af16-9958-4588-a531-cafe75d25e5f/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 23:55:53,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:55:53,141 INFO L262 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:55:53,144 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:55:53,167 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 23:55:53,168 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:55:53,168 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:55:53,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1801431648] [2023-11-24 23:55:53,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1801431648] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:55:53,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:55:53,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 23:55:53,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973515990] [2023-11-24 23:55:53,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:55:53,177 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:55:53,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:55:53,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:55:53,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:55:53,179 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 23:55:53,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:55:53,198 INFO L93 Difference]: Finished difference Result 13 states and 13 transitions. [2023-11-24 23:55:53,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 23:55:53,199 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 23:55:53,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:55:53,200 INFO L225 Difference]: With dead ends: 13 [2023-11-24 23:55:53,201 INFO L226 Difference]: Without dead ends: 12 [2023-11-24 23:55:53,202 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 23:55:53,204 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 2 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-24 23:55:53,205 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 14 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-24 23:55:53,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2023-11-24 23:55:53,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2023-11-24 23:55:53,212 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 23:55:53,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-24 23:55:53,214 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 10 [2023-11-24 23:55:53,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:55:53,215 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2023-11-24 23:55:53,215 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 23:55:53,215 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-24 23:55:53,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 23:55:53,216 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:55:53,217 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:55:53,225 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b661af16-9958-4588-a531-cafe75d25e5f/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 23:55:53,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b661af16-9958-4588-a531-cafe75d25e5f/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 23:55:53,420 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-24 23:55:53,421 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:55:53,421 INFO L85 PathProgramCache]: Analyzing trace with hash 1706742546, now seen corresponding path program 1 times [2023-11-24 23:55:53,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:55:53,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [968128912] [2023-11-24 23:55:53,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:55:53,422 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 23:55:53,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b661af16-9958-4588-a531-cafe75d25e5f/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:55:53,429 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b661af16-9958-4588-a531-cafe75d25e5f/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 23:55:53,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b661af16-9958-4588-a531-cafe75d25e5f/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 23:55:53,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:55:53,501 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:55:53,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:55:53,550 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2023-11-24 23:55:53,550 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-24 23:55:53,551 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2023-11-24 23:55:53,553 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2023-11-24 23:55:53,560 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b661af16-9958-4588-a531-cafe75d25e5f/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 23:55:53,753 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b661af16-9958-4588-a531-cafe75d25e5f/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 23:55:53,757 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-24 23:55:53,761 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-24 23:55:53,776 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet97 [2023-11-24 23:55:53,784 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 11:55:53 BoogieIcfgContainer [2023-11-24 23:55:53,784 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-24 23:55:53,785 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:55:53,785 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:55:53,785 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:55:53,786 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:55:52" (3/4) ... [2023-11-24 23:55:53,792 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:55:53,793 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:55:53,794 INFO L158 Benchmark]: Toolchain (without parser) took 3711.92ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 58.7MB in the beginning and 52.7MB in the end (delta: 6.0MB). Peak memory consumption was 28.0MB. Max. memory is 16.1GB. [2023-11-24 23:55:53,794 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 56.6MB. Free memory was 32.9MB in the beginning and 32.9MB in the end (delta: 38.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:55:53,795 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1425.68ms. Allocated memory is still 86.0MB. Free memory was 58.5MB in the beginning and 38.6MB in the end (delta: 19.9MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. [2023-11-24 23:55:53,795 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.42ms. Allocated memory is still 86.0MB. Free memory was 38.2MB in the beginning and 35.2MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:55:53,795 INFO L158 Benchmark]: Boogie Preprocessor took 75.09ms. Allocated memory is still 86.0MB. Free memory was 35.2MB in the beginning and 58.6MB in the end (delta: -23.3MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. [2023-11-24 23:55:53,796 INFO L158 Benchmark]: RCFGBuilder took 604.74ms. Allocated memory is still 86.0MB. Free memory was 58.6MB in the beginning and 44.3MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 23:55:53,796 INFO L158 Benchmark]: TraceAbstraction took 1523.26ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 43.4MB in the beginning and 53.2MB in the end (delta: -9.8MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. [2023-11-24 23:55:53,797 INFO L158 Benchmark]: Witness Printer took 7.78ms. Allocated memory is still 104.9MB. Free memory was 53.2MB in the beginning and 52.7MB in the end (delta: 546.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:55:53,800 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 56.6MB. Free memory was 32.9MB in the beginning and 32.9MB in the end (delta: 38.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1425.68ms. Allocated memory is still 86.0MB. Free memory was 58.5MB in the beginning and 38.6MB in the end (delta: 19.9MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.42ms. Allocated memory is still 86.0MB. Free memory was 38.2MB in the beginning and 35.2MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.09ms. Allocated memory is still 86.0MB. Free memory was 35.2MB in the beginning and 58.6MB in the end (delta: -23.3MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. * RCFGBuilder took 604.74ms. Allocated memory is still 86.0MB. Free memory was 58.6MB in the beginning and 44.3MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1523.26ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 43.4MB in the beginning and 53.2MB in the end (delta: -9.8MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. * Witness Printer took 7.78ms. Allocated memory is still 104.9MB. Free memory was 53.2MB in the beginning and 52.7MB in the end (delta: 546.0kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet97 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1560]: 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 1568. 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); [L1568] 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) [L1568] 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] [L1569] CALL CWE190_Integer_Overflow__int_max_multiply_03_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] 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] [L1558] COND TRUE data > 0 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] [L1560] data * 2 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: 1560]: 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: 1.4s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 30 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 24 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred in iteration=0, InterpolantAutomatonStates: 5, 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, 22 SizeOfPredicates, 0 NumberOfNonLiveVariables, 80 ConjunctsInSsa, 3 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 23:55:53,828 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b661af16-9958-4588-a531-cafe75d25e5f/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