./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_postinc_14_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_1bd8ef0a-e263-4d59-b861-5973e320e6a8/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bd8ef0a-e263-4d59-b861-5973e320e6a8/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bd8ef0a-e263-4d59-b861-5973e320e6a8/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bd8ef0a-e263-4d59-b861-5973e320e6a8/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_postinc_14_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bd8ef0a-e263-4d59-b861-5973e320e6a8/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bd8ef0a-e263-4d59-b861-5973e320e6a8/bin/utaipan-verify-mE87zJ7Ire --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 6cb8cebd98c23bc3c98ff7e32ce9265033c193d59fa8b5f69b468155badfb160 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:22:38,141 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:22:38,231 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bd8ef0a-e263-4d59-b861-5973e320e6a8/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Overflow-64bit-Taipan_Default.epf [2023-11-23 21:22:38,238 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:22:38,239 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:22:38,273 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:22:38,274 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:22:38,274 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:22:38,275 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:22:38,276 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:22:38,277 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:22:38,278 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:22:38,278 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:22:38,279 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:22:38,280 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:22:38,280 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:22:38,281 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:22:38,282 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:22:38,282 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:22:38,283 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:22:38,284 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:22:38,285 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:22:38,286 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:22:38,286 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:22:38,287 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:22:38,287 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:22:38,288 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:22:38,288 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:22:38,300 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:22:38,301 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 21:22:38,302 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 21:22:38,302 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:22:38,302 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:22:38,303 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:22:38,303 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:22:38,303 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:22:38,304 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:22:38,304 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:22:38,304 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:22:38,304 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:22:38,305 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:22:38,305 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:22:38,305 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:22:38,306 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:22:38,306 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:22:38,306 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:22:38,306 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_1bd8ef0a-e263-4d59-b861-5973e320e6a8/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bd8ef0a-e263-4d59-b861-5973e320e6a8/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6cb8cebd98c23bc3c98ff7e32ce9265033c193d59fa8b5f69b468155badfb160 [2023-11-23 21:22:38,571 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:22:38,648 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:22:38,652 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:22:38,653 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:22:38,655 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:22:38,657 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bd8ef0a-e263-4d59-b861-5973e320e6a8/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_postinc_14_good.i [2023-11-23 21:22:41,861 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:22:42,378 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:22:42,378 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bd8ef0a-e263-4d59-b861-5973e320e6a8/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_postinc_14_good.i [2023-11-23 21:22:42,411 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bd8ef0a-e263-4d59-b861-5973e320e6a8/bin/utaipan-verify-mE87zJ7Ire/data/5b2edfd84/d0cb5dc63d3343809f58e3b3deaa021b/FLAG19761d20a [2023-11-23 21:22:42,426 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bd8ef0a-e263-4d59-b861-5973e320e6a8/bin/utaipan-verify-mE87zJ7Ire/data/5b2edfd84/d0cb5dc63d3343809f58e3b3deaa021b [2023-11-23 21:22:42,429 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:22:42,431 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:22:42,432 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:22:42,432 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:22:42,442 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:22:42,443 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:22:42" (1/1) ... [2023-11-23 21:22:42,444 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50ea5207 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:42, skipping insertion in model container [2023-11-23 21:22:42,445 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:22:42" (1/1) ... [2023-11-23 21:22:42,514 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:22:43,035 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 21:22:43,860 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:22:43,876 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:22:43,911 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 21:22:44,036 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:22:44,198 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:22:44,199 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:22:44,199 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:22:44,199 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:22:44,199 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:22:44,208 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:22:44,209 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:44 WrapperNode [2023-11-23 21:22:44,209 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:22:44,210 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:22:44,210 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:22:44,210 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:22:44,218 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:44" (1/1) ... [2023-11-23 21:22:44,257 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:44" (1/1) ... [2023-11-23 21:22:44,293 INFO L138 Inliner]: procedures = 503, calls = 87, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 117 [2023-11-23 21:22:44,296 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:22:44,297 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:22:44,297 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:22:44,297 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:22:44,306 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:44" (1/1) ... [2023-11-23 21:22:44,306 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:44" (1/1) ... [2023-11-23 21:22:44,311 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:44" (1/1) ... [2023-11-23 21:22:44,311 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:44" (1/1) ... [2023-11-23 21:22:44,322 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:44" (1/1) ... [2023-11-23 21:22:44,338 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:44" (1/1) ... [2023-11-23 21:22:44,351 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:44" (1/1) ... [2023-11-23 21:22:44,362 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:44" (1/1) ... [2023-11-23 21:22:44,366 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:22:44,367 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:22:44,377 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:22:44,377 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:22:44,378 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:44" (1/1) ... [2023-11-23 21:22:44,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:22:44,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bd8ef0a-e263-4d59-b861-5973e320e6a8/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:22:44,410 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bd8ef0a-e263-4d59-b861-5973e320e6a8/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:22:44,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bd8ef0a-e263-4d59-b861-5973e320e6a8/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:22:44,443 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-23 21:22:44,443 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-23 21:22:44,443 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-23 21:22:44,443 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-23 21:22:44,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:22:44,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:22:44,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:22:44,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:22:44,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:22:44,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:22:44,445 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-23 21:22:44,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:22:44,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:22:44,612 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:22:44,615 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:22:44,866 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:22:44,971 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:22:44,971 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 21:22:44,973 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:22:44 BoogieIcfgContainer [2023-11-23 21:22:44,973 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:22:44,976 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:22:44,977 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:22:44,981 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:22:44,981 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:22:42" (1/3) ... [2023-11-23 21:22:44,982 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fb59bd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:22:44, skipping insertion in model container [2023-11-23 21:22:44,982 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:44" (2/3) ... [2023-11-23 21:22:44,983 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fb59bd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:22:44, skipping insertion in model container [2023-11-23 21:22:44,983 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:22:44" (3/3) ... [2023-11-23 21:22:44,985 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fscanf_postinc_14_good.i [2023-11-23 21:22:45,008 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:22:45,008 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-11-23 21:22:45,067 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:22:45,075 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;@1d02251d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:22:45,075 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-11-23 21:22:45,081 INFO L276 IsEmpty]: Start isEmpty. Operand has 49 states, 28 states have (on average 1.5357142857142858) internal successors, (43), 40 states have internal predecessors, (43), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-23 21:22:45,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 21:22:45,091 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:22:45,092 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:22:45,093 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-23 21:22:45,100 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:22:45,100 INFO L85 PathProgramCache]: Analyzing trace with hash -936664942, now seen corresponding path program 1 times [2023-11-23 21:22:45,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:22:45,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739322945] [2023-11-23 21:22:45,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:22:45,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:22:45,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:22:45,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:22:45,946 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:22:45,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739322945] [2023-11-23 21:22:45,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739322945] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:22:45,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:22:45,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 21:22:45,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053553950] [2023-11-23 21:22:45,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:22:45,957 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 21:22:45,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:22:46,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 21:22:46,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-23 21:22:46,009 INFO L87 Difference]: Start difference. First operand has 49 states, 28 states have (on average 1.5357142857142858) internal successors, (43), 40 states have internal predecessors, (43), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 6 states, 5 states have (on average 1.2) 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) [2023-11-23 21:22:46,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:22:46,239 INFO L93 Difference]: Finished difference Result 84 states and 105 transitions. [2023-11-23 21:22:46,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 21:22:46,242 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.2) 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) Word has length 8 [2023-11-23 21:22:46,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:22:46,251 INFO L225 Difference]: With dead ends: 84 [2023-11-23 21:22:46,251 INFO L226 Difference]: Without dead ends: 40 [2023-11-23 21:22:46,255 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2023-11-23 21:22:46,260 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 56 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:22:46,261 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 119 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 21:22:46,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2023-11-23 21:22:46,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2023-11-23 21:22:46,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 25 states have (on average 1.32) internal successors, (33), 33 states have internal predecessors, (33), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-23 21:22:46,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 45 transitions. [2023-11-23 21:22:46,312 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 45 transitions. Word has length 8 [2023-11-23 21:22:46,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:22:46,314 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 45 transitions. [2023-11-23 21:22:46,315 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.2) 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) [2023-11-23 21:22:46,315 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 45 transitions. [2023-11-23 21:22:46,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 21:22:46,317 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:22:46,317 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:22:46,317 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:22:46,318 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-23 21:22:46,319 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:22:46,319 INFO L85 PathProgramCache]: Analyzing trace with hash 1028157933, now seen corresponding path program 1 times [2023-11-23 21:22:46,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:22:46,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811051251] [2023-11-23 21:22:46,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:22:46,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:22:46,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:22:46,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:22:46,440 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:22:46,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811051251] [2023-11-23 21:22:46,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811051251] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:22:46,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:22:46,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:22:46,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63521579] [2023-11-23 21:22:46,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:22:46,443 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:22:46,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:22:46,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:22:46,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:22:46,445 INFO L87 Difference]: Start difference. First operand 40 states and 45 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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) [2023-11-23 21:22:46,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:22:46,513 INFO L93 Difference]: Finished difference Result 40 states and 45 transitions. [2023-11-23 21:22:46,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 21:22:46,514 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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 9 [2023-11-23 21:22:46,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:22:46,516 INFO L225 Difference]: With dead ends: 40 [2023-11-23 21:22:46,516 INFO L226 Difference]: Without dead ends: 39 [2023-11-23 21:22:46,517 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:22:46,518 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 0 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:22:46,519 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 95 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 21:22:46,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2023-11-23 21:22:46,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2023-11-23 21:22:46,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 25 states have (on average 1.28) internal successors, (32), 32 states have internal predecessors, (32), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-23 21:22:46,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 44 transitions. [2023-11-23 21:22:46,530 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 44 transitions. Word has length 9 [2023-11-23 21:22:46,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:22:46,530 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 44 transitions. [2023-11-23 21:22:46,531 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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) [2023-11-23 21:22:46,531 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 44 transitions. [2023-11-23 21:22:46,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 21:22:46,532 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:22:46,532 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:22:46,532 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 21:22:46,533 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-23 21:22:46,533 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:22:46,534 INFO L85 PathProgramCache]: Analyzing trace with hash 1126900845, now seen corresponding path program 1 times [2023-11-23 21:22:46,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:22:46,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117713680] [2023-11-23 21:22:46,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:22:46,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:22:46,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:22:46,769 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 21:22:46,770 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:22:46,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117713680] [2023-11-23 21:22:46,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117713680] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:22:46,770 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:22:46,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 21:22:46,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981636687] [2023-11-23 21:22:46,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:22:46,777 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 21:22:46,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:22:46,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 21:22:46,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:22:46,779 INFO L87 Difference]: Start difference. First operand 39 states and 44 transitions. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-23 21:22:46,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:22:46,913 INFO L93 Difference]: Finished difference Result 39 states and 44 transitions. [2023-11-23 21:22:46,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 21:22:46,914 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 14 [2023-11-23 21:22:46,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:22:46,915 INFO L225 Difference]: With dead ends: 39 [2023-11-23 21:22:46,915 INFO L226 Difference]: Without dead ends: 38 [2023-11-23 21:22:46,916 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-23 21:22:46,917 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 42 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:22:46,918 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 69 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 21:22:46,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2023-11-23 21:22:46,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2023-11-23 21:22:46,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 25 states have (on average 1.24) internal successors, (31), 31 states have internal predecessors, (31), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-23 21:22:46,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 43 transitions. [2023-11-23 21:22:46,927 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 43 transitions. Word has length 14 [2023-11-23 21:22:46,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:22:46,928 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 43 transitions. [2023-11-23 21:22:46,928 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-23 21:22:46,929 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 43 transitions. [2023-11-23 21:22:46,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 21:22:46,930 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:22:46,930 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:22:46,930 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-23 21:22:46,931 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-23 21:22:46,931 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:22:46,932 INFO L85 PathProgramCache]: Analyzing trace with hash 574187915, now seen corresponding path program 1 times [2023-11-23 21:22:46,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:22:46,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795065526] [2023-11-23 21:22:46,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:22:46,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:22:46,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:22:47,050 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 21:22:47,051 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:22:47,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795065526] [2023-11-23 21:22:47,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795065526] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:22:47,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:22:47,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:22:47,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793870542] [2023-11-23 21:22:47,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:22:47,053 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:22:47,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:22:47,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:22:47,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:22:47,054 INFO L87 Difference]: Start difference. First operand 38 states and 43 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-23 21:22:47,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:22:47,112 INFO L93 Difference]: Finished difference Result 38 states and 43 transitions. [2023-11-23 21:22:47,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 21:22:47,113 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 15 [2023-11-23 21:22:47,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:22:47,114 INFO L225 Difference]: With dead ends: 38 [2023-11-23 21:22:47,114 INFO L226 Difference]: Without dead ends: 37 [2023-11-23 21:22:47,115 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:22:47,116 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 0 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:22:47,117 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 89 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:22:47,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2023-11-23 21:22:47,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2023-11-23 21:22:47,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 25 states have (on average 1.2) internal successors, (30), 30 states have internal predecessors, (30), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-23 21:22:47,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 42 transitions. [2023-11-23 21:22:47,126 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 42 transitions. Word has length 15 [2023-11-23 21:22:47,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:22:47,126 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 42 transitions. [2023-11-23 21:22:47,127 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-23 21:22:47,127 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 42 transitions. [2023-11-23 21:22:47,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 21:22:47,128 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:22:47,128 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:22:47,129 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-23 21:22:47,129 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-23 21:22:47,130 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:22:47,130 INFO L85 PathProgramCache]: Analyzing trace with hash -41813317, now seen corresponding path program 1 times [2023-11-23 21:22:47,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:22:47,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573684169] [2023-11-23 21:22:47,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:22:47,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:22:47,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:22:47,226 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 21:22:47,227 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:22:47,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573684169] [2023-11-23 21:22:47,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573684169] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:22:47,227 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:22:47,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:22:47,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154082571] [2023-11-23 21:22:47,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:22:47,229 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:22:47,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:22:47,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:22:47,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:22:47,230 INFO L87 Difference]: Start difference. First operand 37 states and 42 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-23 21:22:47,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:22:47,282 INFO L93 Difference]: Finished difference Result 37 states and 42 transitions. [2023-11-23 21:22:47,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 21:22:47,282 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 20 [2023-11-23 21:22:47,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:22:47,283 INFO L225 Difference]: With dead ends: 37 [2023-11-23 21:22:47,284 INFO L226 Difference]: Without dead ends: 35 [2023-11-23 21:22:47,284 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:22:47,285 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 3 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:22:47,286 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 89 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:22:47,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2023-11-23 21:22:47,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2023-11-23 21:22:47,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 25 states have (on average 1.12) internal successors, (28), 28 states have internal predecessors, (28), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-23 21:22:47,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 40 transitions. [2023-11-23 21:22:47,293 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 40 transitions. Word has length 20 [2023-11-23 21:22:47,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:22:47,294 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 40 transitions. [2023-11-23 21:22:47,294 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-23 21:22:47,294 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 40 transitions. [2023-11-23 21:22:47,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 21:22:47,296 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:22:47,296 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:22:47,296 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-23 21:22:47,297 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-23 21:22:47,297 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:22:47,297 INFO L85 PathProgramCache]: Analyzing trace with hash -1139675865, now seen corresponding path program 1 times [2023-11-23 21:22:47,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:22:47,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429636087] [2023-11-23 21:22:47,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:22:47,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:22:47,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:22:47,453 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 21:22:47,453 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:22:47,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429636087] [2023-11-23 21:22:47,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1429636087] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:22:47,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:22:47,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 21:22:47,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959035446] [2023-11-23 21:22:47,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:22:47,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 21:22:47,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:22:47,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 21:22:47,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:22:47,457 INFO L87 Difference]: Start difference. First operand 35 states and 40 transitions. Second operand has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-23 21:22:47,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:22:47,519 INFO L93 Difference]: Finished difference Result 35 states and 40 transitions. [2023-11-23 21:22:47,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 21:22:47,520 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 28 [2023-11-23 21:22:47,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:22:47,521 INFO L225 Difference]: With dead ends: 35 [2023-11-23 21:22:47,521 INFO L226 Difference]: Without dead ends: 0 [2023-11-23 21:22:47,522 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-23 21:22:47,523 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 24 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:22:47,523 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 75 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:22:47,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-23 21:22:47,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-23 21:22:47,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:22:47,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-23 21:22:47,525 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2023-11-23 21:22:47,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:22:47,526 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-23 21:22:47,526 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-23 21:22:47,526 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-23 21:22:47,526 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-23 21:22:47,529 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2023-11-23 21:22:47,530 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2023-11-23 21:22:47,530 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2023-11-23 21:22:47,530 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2023-11-23 21:22:47,531 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2023-11-23 21:22:47,531 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2023-11-23 21:22:47,531 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2023-11-23 21:22:47,531 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2023-11-23 21:22:47,532 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-23 21:22:47,534 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-23 21:22:47,576 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2023-11-23 21:22:47,576 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2023-11-23 21:22:47,576 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2023-11-23 21:22:47,576 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2023-11-23 21:22:47,577 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1586) no Hoare annotation was computed. [2023-11-23 21:22:47,577 INFO L899 garLoopResultBuilder]: For program point L1596(lines 1596 1616) no Hoare annotation was computed. [2023-11-23 21:22:47,577 INFO L895 garLoopResultBuilder]: At program point L1588(line 1588) the Hoare annotation is: (and (<= 0 (+ (select (select |#memory_int| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) |ULTIMATE.start_goodB2G2_~#data~1#1.offset|) 2147483648)) (= 5 ~globalFive~0)) [2023-11-23 21:22:47,577 INFO L899 garLoopResultBuilder]: For program point L1588-1(line 1588) no Hoare annotation was computed. [2023-11-23 21:22:47,577 INFO L899 garLoopResultBuilder]: For program point L1621-2(lines 1618 1633) no Hoare annotation was computed. [2023-11-23 21:22:47,578 INFO L895 garLoopResultBuilder]: At program point L1646(line 1646) the Hoare annotation is: (= 5 ~globalFive~0) [2023-11-23 21:22:47,578 INFO L895 garLoopResultBuilder]: At program point L1613(line 1613) the Hoare annotation is: (= 5 ~globalFive~0) [2023-11-23 21:22:47,578 INFO L899 garLoopResultBuilder]: For program point L1646-1(line 1646) no Hoare annotation was computed. [2023-11-23 21:22:47,578 INFO L899 garLoopResultBuilder]: For program point L1613-1(line 1613) no Hoare annotation was computed. [2023-11-23 21:22:47,579 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1628) no Hoare annotation was computed. [2023-11-23 21:22:47,579 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1564) no Hoare annotation was computed. [2023-11-23 21:22:47,579 INFO L895 garLoopResultBuilder]: At program point L1630(line 1630) the Hoare annotation is: (= 5 ~globalFive~0) [2023-11-23 21:22:47,579 INFO L899 garLoopResultBuilder]: For program point L1630-1(line 1630) no Hoare annotation was computed. [2023-11-23 21:22:47,579 INFO L899 garLoopResultBuilder]: For program point L1564(line 1564) no Hoare annotation was computed. [2023-11-23 21:22:47,580 INFO L899 garLoopResultBuilder]: For program point L1564-1(line 1564) no Hoare annotation was computed. [2023-11-23 21:22:47,580 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1564) no Hoare annotation was computed. [2023-11-23 21:22:47,580 INFO L899 garLoopResultBuilder]: For program point L1582(lines 1582 1594) no Hoare annotation was computed. [2023-11-23 21:22:47,580 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-23 21:22:47,580 INFO L895 garLoopResultBuilder]: At program point L1566(line 1566) the Hoare annotation is: (and (<= 0 (+ (select (select |#memory_int| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) |ULTIMATE.start_goodB2G1_~#data~0#1.offset|) 2147483648)) (= 5 ~globalFive~0)) [2023-11-23 21:22:47,581 INFO L899 garLoopResultBuilder]: For program point L1566-1(line 1566) no Hoare annotation was computed. [2023-11-23 21:22:47,581 INFO L895 garLoopResultBuilder]: At program point L1558(line 1558) the Hoare annotation is: false [2023-11-23 21:22:47,581 INFO L899 garLoopResultBuilder]: For program point L1600(lines 1600 1607) no Hoare annotation was computed. [2023-11-23 21:22:47,581 INFO L899 garLoopResultBuilder]: For program point L1600-1(lines 1597 1616) no Hoare annotation was computed. [2023-11-23 21:22:47,581 INFO L895 garLoopResultBuilder]: At program point L1592(line 1592) the Hoare annotation is: (and (<= 0 (+ (select (select |#memory_int| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) |ULTIMATE.start_goodB2G2_~#data~1#1.offset|) 2147483648)) (= 5 ~globalFive~0)) [2023-11-23 21:22:47,582 INFO L899 garLoopResultBuilder]: For program point L1617(lines 1617 1633) no Hoare annotation was computed. [2023-11-23 21:22:47,582 INFO L899 garLoopResultBuilder]: For program point L1584(lines 1584 1593) no Hoare annotation was computed. [2023-11-23 21:22:47,582 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1611) no Hoare annotation was computed. [2023-11-23 21:22:47,582 INFO L899 garLoopResultBuilder]: For program point L1552-2(lines 1549 1573) no Hoare annotation was computed. [2023-11-23 21:22:47,582 INFO L895 garLoopResultBuilder]: At program point L1602(line 1602) the Hoare annotation is: false [2023-11-23 21:22:47,583 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-23 21:22:47,583 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1611) no Hoare annotation was computed. [2023-11-23 21:22:47,583 INFO L899 garLoopResultBuilder]: For program point L1586(line 1586) no Hoare annotation was computed. [2023-11-23 21:22:47,583 INFO L899 garLoopResultBuilder]: For program point L1586-1(line 1586) no Hoare annotation was computed. [2023-11-23 21:22:47,584 INFO L895 garLoopResultBuilder]: At program point L1644(line 1644) the Hoare annotation is: (= 5 ~globalFive~0) [2023-11-23 21:22:47,584 INFO L899 garLoopResultBuilder]: For program point L1644-1(line 1644) no Hoare annotation was computed. [2023-11-23 21:22:47,584 INFO L899 garLoopResultBuilder]: For program point L1611(line 1611) no Hoare annotation was computed. [2023-11-23 21:22:47,584 INFO L899 garLoopResultBuilder]: For program point L1611-1(line 1611) no Hoare annotation was computed. [2023-11-23 21:22:47,584 INFO L899 garLoopResultBuilder]: For program point L1578-2(lines 1575 1595) no Hoare annotation was computed. [2023-11-23 21:22:47,585 INFO L895 garLoopResultBuilder]: At program point L1570(line 1570) the Hoare annotation is: (and (<= 0 (+ (select (select |#memory_int| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) |ULTIMATE.start_goodB2G1_~#data~0#1.offset|) 2147483648)) (= 5 ~globalFive~0)) [2023-11-23 21:22:47,585 INFO L899 garLoopResultBuilder]: For program point L1570-1(lines 1556 1572) no Hoare annotation was computed. [2023-11-23 21:22:47,585 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1586) no Hoare annotation was computed. [2023-11-23 21:22:47,585 INFO L899 garLoopResultBuilder]: For program point L1628(line 1628) no Hoare annotation was computed. [2023-11-23 21:22:47,585 INFO L899 garLoopResultBuilder]: For program point L1628-1(line 1628) no Hoare annotation was computed. [2023-11-23 21:22:47,585 INFO L899 garLoopResultBuilder]: For program point L1562(lines 1562 1571) no Hoare annotation was computed. [2023-11-23 21:22:47,586 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1628) no Hoare annotation was computed. [2023-11-23 21:22:47,589 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-11-23 21:22:47,591 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:22:47,614 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:22:47 BoogieIcfgContainer [2023-11-23 21:22:47,614 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:22:47,615 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:22:47,615 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:22:47,615 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:22:47,616 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:22:44" (3/4) ... [2023-11-23 21:22:47,618 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 21:22:47,622 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-23 21:22:47,622 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-23 21:22:47,629 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2023-11-23 21:22:47,629 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-23 21:22:47,630 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-23 21:22:47,630 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 21:22:47,731 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bd8ef0a-e263-4d59-b861-5973e320e6a8/bin/utaipan-verify-mE87zJ7Ire/witness.graphml [2023-11-23 21:22:47,731 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bd8ef0a-e263-4d59-b861-5973e320e6a8/bin/utaipan-verify-mE87zJ7Ire/witness.yml [2023-11-23 21:22:47,732 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:22:47,732 INFO L158 Benchmark]: Toolchain (without parser) took 5301.83ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 129.1MB in the beginning and 155.1MB in the end (delta: -26.0MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. [2023-11-23 21:22:47,733 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 123.7MB. Free memory is still 98.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:22:47,733 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1777.08ms. Allocated memory is still 163.6MB. Free memory was 128.6MB in the beginning and 124.8MB in the end (delta: 3.8MB). Peak memory consumption was 68.9MB. Max. memory is 16.1GB. [2023-11-23 21:22:47,734 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.21ms. Allocated memory is still 163.6MB. Free memory was 124.8MB in the beginning and 121.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:22:47,734 INFO L158 Benchmark]: Boogie Preprocessor took 69.50ms. Allocated memory is still 163.6MB. Free memory was 121.7MB in the beginning and 119.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:22:47,735 INFO L158 Benchmark]: RCFGBuilder took 606.69ms. Allocated memory is still 163.6MB. Free memory was 119.6MB in the beginning and 98.7MB in the end (delta: 20.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-23 21:22:47,735 INFO L158 Benchmark]: TraceAbstraction took 2637.71ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 98.7MB in the beginning and 160.3MB in the end (delta: -61.7MB). Peak memory consumption was 57.2MB. Max. memory is 16.1GB. [2023-11-23 21:22:47,735 INFO L158 Benchmark]: Witness Printer took 117.23ms. Allocated memory is still 197.1MB. Free memory was 160.3MB in the beginning and 155.1MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:22:47,738 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 123.7MB. Free memory is still 98.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1777.08ms. Allocated memory is still 163.6MB. Free memory was 128.6MB in the beginning and 124.8MB in the end (delta: 3.8MB). Peak memory consumption was 68.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.21ms. Allocated memory is still 163.6MB. Free memory was 124.8MB in the beginning and 121.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.50ms. Allocated memory is still 163.6MB. Free memory was 121.7MB in the beginning and 119.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 606.69ms. Allocated memory is still 163.6MB. Free memory was 119.6MB in the beginning and 98.7MB in the end (delta: 20.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 2637.71ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 98.7MB in the beginning and 160.3MB in the end (delta: -61.7MB). Peak memory consumption was 57.2MB. Max. memory is 16.1GB. * Witness Printer took 117.23ms. Allocated memory is still 197.1MB. Free memory was 160.3MB in the beginning and 155.1MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * 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 - PositiveResult [Line: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1611]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1611]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1628]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1628]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 49 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 2.5s, OverallIterations: 6, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 125 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 125 mSDsluCounter, 536 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 360 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 254 IncrementalHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 176 mSDtfsCounter, 254 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=49occurred in iteration=0, InterpolantAutomatonStates: 28, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 25 PreInvPairs, 30 NumberOfFragments, 68 HoareAnnotationTreeSize, 25 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 94 NumberOfCodeBlocks, 94 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 88 ConstructedInterpolants, 0 QuantifiedInterpolants, 210 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 16/16 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 - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-23 21:22:47,774 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bd8ef0a-e263-4d59-b861-5973e320e6a8/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE