./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-memsafety/insertionsort-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c255ec4-4186-4515-9447-a88f6ab6a3f3/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c255ec4-4186-4515-9447-a88f6ab6a3f3/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c255ec4-4186-4515-9447-a88f6ab6a3f3/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c255ec4-4186-4515-9447-a88f6ab6a3f3/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-memsafety/insertionsort-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c255ec4-4186-4515-9447-a88f6ab6a3f3/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c255ec4-4186-4515-9447-a88f6ab6a3f3/bin/utaipan-verify-YMUCfTKeje --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 32bit --witnessprinter.graph.data.programhash 56160afe0156ee9cb1db810e306de9e54e614e31d545b68546457414a273604d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:48:17,161 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:48:17,253 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c255ec4-4186-4515-9447-a88f6ab6a3f3/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-32bit-Taipan_Default.epf [2024-11-09 05:48:17,258 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:48:17,259 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:48:17,284 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:48:17,285 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:48:17,285 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:48:17,286 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:48:17,286 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:48:17,287 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:48:17,287 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:48:17,288 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:48:17,288 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 05:48:17,289 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:48:17,289 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:48:17,290 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 05:48:17,290 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 05:48:17,290 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:48:17,291 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 05:48:17,291 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 05:48:17,292 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 05:48:17,293 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:48:17,293 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:48:17,293 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 05:48:17,294 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 05:48:17,294 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 05:48:17,294 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:48:17,295 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:48:17,295 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:48:17,296 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:48:17,296 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:48:17,297 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 05:48:17,315 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 05:48:17,315 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 05:48:17,316 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:48:17,316 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:48:17,317 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:48:17,317 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:48:17,317 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:48:17,318 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:48:17,319 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:48:17,320 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:48:17,320 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:48:17,320 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 05:48:17,321 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 05:48:17,321 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:48:17,322 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:48:17,322 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 05:48:17,322 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c255ec4-4186-4515-9447-a88f6ab6a3f3/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c255ec4-4186-4515-9447-a88f6ab6a3f3/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 56160afe0156ee9cb1db810e306de9e54e614e31d545b68546457414a273604d [2024-11-09 05:48:17,638 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:48:17,666 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:48:17,669 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:48:17,671 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:48:17,672 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:48:17,673 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c255ec4-4186-4515-9447-a88f6ab6a3f3/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/array-memsafety/insertionsort-alloca-1.i Unable to find full path for "g++" [2024-11-09 05:48:19,945 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:48:20,298 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:48:20,298 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c255ec4-4186-4515-9447-a88f6ab6a3f3/sv-benchmarks/c/array-memsafety/insertionsort-alloca-1.i [2024-11-09 05:48:20,319 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c255ec4-4186-4515-9447-a88f6ab6a3f3/bin/utaipan-verify-YMUCfTKeje/data/e519bac63/cc130f483e7940b79a549efef7c9c595/FLAGa6c74f75e [2024-11-09 05:48:20,346 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c255ec4-4186-4515-9447-a88f6ab6a3f3/bin/utaipan-verify-YMUCfTKeje/data/e519bac63/cc130f483e7940b79a549efef7c9c595 [2024-11-09 05:48:20,348 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:48:20,350 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:48:20,351 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:48:20,352 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:48:20,359 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:48:20,360 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:48:20" (1/1) ... [2024-11-09 05:48:20,362 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cdcfd90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:48:20, skipping insertion in model container [2024-11-09 05:48:20,362 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:48:20" (1/1) ... [2024-11-09 05:48:20,408 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:48:20,812 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:48:20,825 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:48:20,914 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:48:20,959 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:48:20,959 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:48:20 WrapperNode [2024-11-09 05:48:20,960 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:48:20,961 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:48:20,961 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:48:20,961 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:48:20,971 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:48:20" (1/1) ... [2024-11-09 05:48:20,992 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:48:20" (1/1) ... [2024-11-09 05:48:21,023 INFO L138 Inliner]: procedures = 116, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 74 [2024-11-09 05:48:21,027 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:48:21,028 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:48:21,029 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:48:21,029 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:48:21,039 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:48:20" (1/1) ... [2024-11-09 05:48:21,040 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:48:20" (1/1) ... [2024-11-09 05:48:21,043 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:48:20" (1/1) ... [2024-11-09 05:48:21,047 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:48:20" (1/1) ... [2024-11-09 05:48:21,055 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:48:20" (1/1) ... [2024-11-09 05:48:21,063 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:48:20" (1/1) ... [2024-11-09 05:48:21,064 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:48:20" (1/1) ... [2024-11-09 05:48:21,065 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:48:20" (1/1) ... [2024-11-09 05:48:21,068 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:48:21,069 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:48:21,069 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:48:21,069 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:48:21,070 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:48:20" (1/1) ... [2024-11-09 05:48:21,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:48:21,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c255ec4-4186-4515-9447-a88f6ab6a3f3/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:48:21,112 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c255ec4-4186-4515-9447-a88f6ab6a3f3/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:48:21,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c255ec4-4186-4515-9447-a88f6ab6a3f3/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:48:21,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 05:48:21,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 05:48:21,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 05:48:21,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 05:48:21,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:48:21,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:48:21,323 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:48:21,325 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:48:21,525 INFO L? ?]: Removed 32 outVars from TransFormulas that were not future-live. [2024-11-09 05:48:21,525 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:48:21,592 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:48:21,593 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 05:48:21,597 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:48:21 BoogieIcfgContainer [2024-11-09 05:48:21,598 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:48:21,601 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:48:21,601 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:48:21,607 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:48:21,608 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:48:20" (1/3) ... [2024-11-09 05:48:21,609 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d26c626 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:48:21, skipping insertion in model container [2024-11-09 05:48:21,609 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:48:20" (2/3) ... [2024-11-09 05:48:21,609 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d26c626 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:48:21, skipping insertion in model container [2024-11-09 05:48:21,610 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:48:21" (3/3) ... [2024-11-09 05:48:21,612 INFO L112 eAbstractionObserver]: Analyzing ICFG insertionsort-alloca-1.i [2024-11-09 05:48:21,637 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:48:21,637 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2024-11-09 05:48:21,706 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:48:21,713 INFO L333 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, 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;@3e79b93b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:48:21,714 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-11-09 05:48:21,718 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 21 states have (on average 1.8095238095238095) internal successors, (38), 31 states have internal predecessors, (38), 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) [2024-11-09 05:48:21,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-09 05:48:21,726 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:48:21,727 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-09 05:48:21,727 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 05:48:21,735 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:48:21,735 INFO L85 PathProgramCache]: Analyzing trace with hash 3409244, now seen corresponding path program 1 times [2024-11-09 05:48:21,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:48:21,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700075279] [2024-11-09 05:48:21,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:48:21,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:48:21,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:48:22,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:48:22,114 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:48:22,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700075279] [2024-11-09 05:48:22,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [700075279] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:48:22,118 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:48:22,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:48:22,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491862360] [2024-11-09 05:48:22,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:48:22,128 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:48:22,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:48:22,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:48:22,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:48:22,158 INFO L87 Difference]: Start difference. First operand has 32 states, 21 states have (on average 1.8095238095238095) internal successors, (38), 31 states have internal predecessors, (38), 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) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) [2024-11-09 05:48:22,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:48:22,265 INFO L93 Difference]: Finished difference Result 62 states and 74 transitions. [2024-11-09 05:48:22,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:48:22,268 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) Word has length 4 [2024-11-09 05:48:22,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:48:22,280 INFO L225 Difference]: With dead ends: 62 [2024-11-09 05:48:22,280 INFO L226 Difference]: Without dead ends: 34 [2024-11-09 05:48:22,284 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:48:22,288 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 1 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:48:22,290 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 84 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:48:22,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2024-11-09 05:48:22,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2024-11-09 05:48:22,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 24 states have (on average 1.6666666666666667) internal successors, (40), 33 states have internal predecessors, (40), 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) [2024-11-09 05:48:22,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 40 transitions. [2024-11-09 05:48:22,373 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 40 transitions. Word has length 4 [2024-11-09 05:48:22,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:48:22,374 INFO L471 AbstractCegarLoop]: Abstraction has 34 states and 40 transitions. [2024-11-09 05:48:22,374 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) [2024-11-09 05:48:22,374 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 40 transitions. [2024-11-09 05:48:22,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 05:48:22,375 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:48:22,376 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:48:22,376 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 05:48:22,376 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 05:48:22,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:48:22,377 INFO L85 PathProgramCache]: Analyzing trace with hash 1710279503, now seen corresponding path program 1 times [2024-11-09 05:48:22,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:48:22,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885274690] [2024-11-09 05:48:22,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:48:22,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:48:22,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:48:22,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:48:22,553 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:48:22,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885274690] [2024-11-09 05:48:22,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885274690] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:48:22,554 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:48:22,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:48:22,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837191389] [2024-11-09 05:48:22,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:48:22,556 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:48:22,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:48:22,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:48:22,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:48:22,558 INFO L87 Difference]: Start difference. First operand 34 states and 40 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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) [2024-11-09 05:48:22,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:48:22,688 INFO L93 Difference]: Finished difference Result 44 states and 54 transitions. [2024-11-09 05:48:22,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:48:22,689 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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) Word has length 8 [2024-11-09 05:48:22,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:48:22,690 INFO L225 Difference]: With dead ends: 44 [2024-11-09 05:48:22,690 INFO L226 Difference]: Without dead ends: 41 [2024-11-09 05:48:22,691 INFO L431 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 [2024-11-09 05:48:22,697 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 38 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:48:22,698 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 42 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:48:22,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2024-11-09 05:48:22,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 39. [2024-11-09 05:48:22,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 30 states have (on average 1.6) internal successors, (48), 38 states have internal predecessors, (48), 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) [2024-11-09 05:48:22,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 48 transitions. [2024-11-09 05:48:22,710 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 48 transitions. Word has length 8 [2024-11-09 05:48:22,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:48:22,710 INFO L471 AbstractCegarLoop]: Abstraction has 39 states and 48 transitions. [2024-11-09 05:48:22,711 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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) [2024-11-09 05:48:22,711 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 48 transitions. [2024-11-09 05:48:22,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 05:48:22,712 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:48:22,712 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1] [2024-11-09 05:48:22,712 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 05:48:22,713 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 05:48:22,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:48:22,714 INFO L85 PathProgramCache]: Analyzing trace with hash 298992149, now seen corresponding path program 1 times [2024-11-09 05:48:22,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:48:22,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122499585] [2024-11-09 05:48:22,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:48:22,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:48:22,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:48:22,906 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:48:22,907 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:48:22,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122499585] [2024-11-09 05:48:22,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122499585] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:48:22,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [418053918] [2024-11-09 05:48:22,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:48:22,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:48:22,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c255ec4-4186-4515-9447-a88f6ab6a3f3/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:48:22,911 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c255ec4-4186-4515-9447-a88f6ab6a3f3/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:48:22,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c255ec4-4186-4515-9447-a88f6ab6a3f3/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 05:48:22,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:48:22,995 INFO L255 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 05:48:23,005 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:48:23,094 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:48:23,094 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:48:23,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [418053918] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:48:23,095 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 05:48:23,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2024-11-09 05:48:23,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070118171] [2024-11-09 05:48:23,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:48:23,096 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 05:48:23,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:48:23,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 05:48:23,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-09 05:48:23,098 INFO L87 Difference]: Start difference. First operand 39 states and 48 transitions. Second operand has 6 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 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) [2024-11-09 05:48:23,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:48:23,175 INFO L93 Difference]: Finished difference Result 39 states and 48 transitions. [2024-11-09 05:48:23,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 05:48:23,176 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 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) Word has length 8 [2024-11-09 05:48:23,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:48:23,177 INFO L225 Difference]: With dead ends: 39 [2024-11-09 05:48:23,178 INFO L226 Difference]: Without dead ends: 38 [2024-11-09 05:48:23,178 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-09 05:48:23,183 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 1 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:48:23,184 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 71 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:48:23,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2024-11-09 05:48:23,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2024-11-09 05:48:23,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 30 states have (on average 1.5666666666666667) internal successors, (47), 37 states have internal predecessors, (47), 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) [2024-11-09 05:48:23,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 47 transitions. [2024-11-09 05:48:23,197 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 47 transitions. Word has length 8 [2024-11-09 05:48:23,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:48:23,200 INFO L471 AbstractCegarLoop]: Abstraction has 38 states and 47 transitions. [2024-11-09 05:48:23,200 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 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) [2024-11-09 05:48:23,201 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 47 transitions. [2024-11-09 05:48:23,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 05:48:23,201 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:48:23,202 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:48:23,231 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c255ec4-4186-4515-9447-a88f6ab6a3f3/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 05:48:23,406 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c255ec4-4186-4515-9447-a88f6ab6a3f3/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:48:23,407 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 05:48:23,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:48:23,408 INFO L85 PathProgramCache]: Analyzing trace with hash 1479057117, now seen corresponding path program 1 times [2024-11-09 05:48:23,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:48:23,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943628300] [2024-11-09 05:48:23,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:48:23,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:48:23,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:48:23,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:48:23,541 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:48:23,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943628300] [2024-11-09 05:48:23,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943628300] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:48:23,542 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:48:23,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:48:23,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875690736] [2024-11-09 05:48:23,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:48:23,543 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:48:23,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:48:23,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:48:23,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:48:23,545 INFO L87 Difference]: Start difference. First operand 38 states and 47 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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) [2024-11-09 05:48:23,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:48:23,654 INFO L93 Difference]: Finished difference Result 69 states and 82 transitions. [2024-11-09 05:48:23,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:48:23,655 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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) Word has length 9 [2024-11-09 05:48:23,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:48:23,657 INFO L225 Difference]: With dead ends: 69 [2024-11-09 05:48:23,657 INFO L226 Difference]: Without dead ends: 66 [2024-11-09 05:48:23,658 INFO L431 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 [2024-11-09 05:48:23,659 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 35 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:48:23,660 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 61 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:48:23,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2024-11-09 05:48:23,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 59. [2024-11-09 05:48:23,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 51 states have (on average 1.5294117647058822) internal successors, (78), 58 states have internal predecessors, (78), 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) [2024-11-09 05:48:23,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 78 transitions. [2024-11-09 05:48:23,678 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 78 transitions. Word has length 9 [2024-11-09 05:48:23,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:48:23,678 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 78 transitions. [2024-11-09 05:48:23,678 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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) [2024-11-09 05:48:23,679 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 78 transitions. [2024-11-09 05:48:23,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 05:48:23,679 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:48:23,680 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1] [2024-11-09 05:48:23,680 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 05:48:23,680 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 05:48:23,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:48:23,683 INFO L85 PathProgramCache]: Analyzing trace with hash 678822079, now seen corresponding path program 1 times [2024-11-09 05:48:23,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:48:23,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938233735] [2024-11-09 05:48:23,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:48:23,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:48:23,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:48:23,893 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:48:23,894 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:48:23,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938233735] [2024-11-09 05:48:23,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938233735] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:48:23,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [112438970] [2024-11-09 05:48:23,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:48:23,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:48:23,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c255ec4-4186-4515-9447-a88f6ab6a3f3/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:48:23,898 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c255ec4-4186-4515-9447-a88f6ab6a3f3/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:48:23,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c255ec4-4186-4515-9447-a88f6ab6a3f3/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 05:48:23,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:48:23,990 INFO L255 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 05:48:23,991 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:48:24,049 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:48:24,050 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:48:24,139 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:48:24,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [112438970] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:48:24,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [373596631] [2024-11-09 05:48:24,172 INFO L159 IcfgInterpreter]: Started Sifa with 6 locations of interest [2024-11-09 05:48:24,172 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:48:24,177 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:48:24,184 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:48:24,184 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:48:25,420 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:48:25,737 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '572#(and (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~a~0#1.offset| 0) (<= 2 |ULTIMATE.start_main_#t~malloc9#1.base|) (exists ((|v_#memory_int_14| (Array Int (Array Int Int))) (|v_ULTIMATE.start_main_#t~post11#1_26| Int)) (and (<= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) (* |v_ULTIMATE.start_main_#t~post11#1_26| 4)) 2147483647) (<= (+ |v_ULTIMATE.start_main_#t~post11#1_26| 1) |ULTIMATE.start_main_~array_size~0#1|) (<= 2147483647 |v_ULTIMATE.start_main_#t~post11#1_26|) (= |#memory_int| (store |v_#memory_int_14| |ULTIMATE.start_main_~a~0#1.base| (store (select |v_#memory_int_14| |ULTIMATE.start_main_~a~0#1.base|) (* |v_ULTIMATE.start_main_#t~post11#1_26| 4) (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) (* |v_ULTIMATE.start_main_#t~post11#1_26| 4))))) (<= 0 (+ (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) (* |v_ULTIMATE.start_main_#t~post11#1_26| 4)) 2147483648)))) (<= 2 |ULTIMATE.start_main_~a~0#1.base|))' at error location [2024-11-09 05:48:25,737 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-09 05:48:25,737 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:48:25,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2024-11-09 05:48:25,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752846518] [2024-11-09 05:48:25,738 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 05:48:25,739 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 05:48:25,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:48:25,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 05:48:25,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2024-11-09 05:48:25,743 INFO L87 Difference]: Start difference. First operand 59 states and 78 transitions. Second operand has 12 states, 11 states have (on average 2.090909090909091) internal successors, (23), 11 states have internal predecessors, (23), 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) [2024-11-09 05:48:25,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:48:25,849 INFO L93 Difference]: Finished difference Result 72 states and 99 transitions. [2024-11-09 05:48:25,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 05:48:25,850 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.090909090909091) internal successors, (23), 11 states have internal predecessors, (23), 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) Word has length 9 [2024-11-09 05:48:25,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:48:25,853 INFO L225 Difference]: With dead ends: 72 [2024-11-09 05:48:25,853 INFO L226 Difference]: Without dead ends: 71 [2024-11-09 05:48:25,853 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 13 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2024-11-09 05:48:25,854 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 0 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:48:25,855 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 169 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:48:25,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2024-11-09 05:48:25,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2024-11-09 05:48:25,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 63 states have (on average 1.5238095238095237) internal successors, (96), 70 states have internal predecessors, (96), 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) [2024-11-09 05:48:25,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 96 transitions. [2024-11-09 05:48:25,874 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 96 transitions. Word has length 9 [2024-11-09 05:48:25,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:48:25,875 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 96 transitions. [2024-11-09 05:48:25,875 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.090909090909091) internal successors, (23), 11 states have internal predecessors, (23), 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) [2024-11-09 05:48:25,875 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 96 transitions. [2024-11-09 05:48:25,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-09 05:48:25,878 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:48:25,879 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:48:25,905 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c255ec4-4186-4515-9447-a88f6ab6a3f3/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-09 05:48:26,082 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c255ec4-4186-4515-9447-a88f6ab6a3f3/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:48:26,083 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 05:48:26,083 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:48:26,083 INFO L85 PathProgramCache]: Analyzing trace with hash -254434075, now seen corresponding path program 1 times [2024-11-09 05:48:26,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:48:26,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433605519] [2024-11-09 05:48:26,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:48:26,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:48:26,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:48:26,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:48:26,133 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:48:26,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433605519] [2024-11-09 05:48:26,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [433605519] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:48:26,134 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:48:26,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:48:26,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634154161] [2024-11-09 05:48:26,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:48:26,135 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:48:26,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:48:26,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:48:26,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:48:26,137 INFO L87 Difference]: Start difference. First operand 71 states and 96 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2024-11-09 05:48:26,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:48:26,165 INFO L93 Difference]: Finished difference Result 116 states and 158 transitions. [2024-11-09 05:48:26,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:48:26,166 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) Word has length 11 [2024-11-09 05:48:26,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:48:26,167 INFO L225 Difference]: With dead ends: 116 [2024-11-09 05:48:26,167 INFO L226 Difference]: Without dead ends: 75 [2024-11-09 05:48:26,168 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:48:26,169 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 0 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:48:26,173 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 54 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 05:48:26,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2024-11-09 05:48:26,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 73. [2024-11-09 05:48:26,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 65 states have (on average 1.5076923076923077) internal successors, (98), 72 states have internal predecessors, (98), 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) [2024-11-09 05:48:26,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 98 transitions. [2024-11-09 05:48:26,188 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 98 transitions. Word has length 11 [2024-11-09 05:48:26,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:48:26,188 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 98 transitions. [2024-11-09 05:48:26,189 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2024-11-09 05:48:26,189 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 98 transitions. [2024-11-09 05:48:26,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 05:48:26,189 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:48:26,190 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:48:26,190 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 05:48:26,190 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 05:48:26,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:48:26,194 INFO L85 PathProgramCache]: Analyzing trace with hash -1023711903, now seen corresponding path program 1 times [2024-11-09 05:48:26,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:48:26,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808127505] [2024-11-09 05:48:26,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:48:26,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:48:26,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:48:26,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:48:26,320 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:48:26,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808127505] [2024-11-09 05:48:26,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808127505] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:48:26,320 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:48:26,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 05:48:26,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254522925] [2024-11-09 05:48:26,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:48:26,321 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 05:48:26,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:48:26,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 05:48:26,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:48:26,323 INFO L87 Difference]: Start difference. First operand 73 states and 98 transitions. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 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) [2024-11-09 05:48:26,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:48:26,448 INFO L93 Difference]: Finished difference Result 85 states and 104 transitions. [2024-11-09 05:48:26,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 05:48:26,449 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 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) Word has length 13 [2024-11-09 05:48:26,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:48:26,450 INFO L225 Difference]: With dead ends: 85 [2024-11-09 05:48:26,450 INFO L226 Difference]: Without dead ends: 83 [2024-11-09 05:48:26,451 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-09 05:48:26,452 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 35 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:48:26,452 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 86 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:48:26,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-11-09 05:48:26,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 75. [2024-11-09 05:48:26,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 67 states have (on average 1.492537313432836) internal successors, (100), 74 states have internal predecessors, (100), 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) [2024-11-09 05:48:26,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 100 transitions. [2024-11-09 05:48:26,464 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 100 transitions. Word has length 13 [2024-11-09 05:48:26,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:48:26,465 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 100 transitions. [2024-11-09 05:48:26,465 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 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) [2024-11-09 05:48:26,465 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 100 transitions. [2024-11-09 05:48:26,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-09 05:48:26,466 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:48:26,466 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:48:26,466 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 05:48:26,467 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 05:48:26,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:48:26,467 INFO L85 PathProgramCache]: Analyzing trace with hash 2029542491, now seen corresponding path program 1 times [2024-11-09 05:48:26,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:48:26,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228591896] [2024-11-09 05:48:26,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:48:26,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:48:26,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:48:26,585 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:48:26,586 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:48:26,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228591896] [2024-11-09 05:48:26,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1228591896] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:48:26,586 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:48:26,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 05:48:26,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928644203] [2024-11-09 05:48:26,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:48:26,587 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 05:48:26,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:48:26,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 05:48:26,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:48:26,588 INFO L87 Difference]: Start difference. First operand 75 states and 100 transitions. Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 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) [2024-11-09 05:48:26,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:48:26,686 INFO L93 Difference]: Finished difference Result 114 states and 138 transitions. [2024-11-09 05:48:26,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 05:48:26,687 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 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) Word has length 17 [2024-11-09 05:48:26,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:48:26,688 INFO L225 Difference]: With dead ends: 114 [2024-11-09 05:48:26,689 INFO L226 Difference]: Without dead ends: 82 [2024-11-09 05:48:26,689 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-09 05:48:26,690 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 36 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:48:26,690 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 76 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:48:26,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2024-11-09 05:48:26,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 75. [2024-11-09 05:48:26,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 67 states have (on average 1.4776119402985075) internal successors, (99), 74 states have internal predecessors, (99), 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) [2024-11-09 05:48:26,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 99 transitions. [2024-11-09 05:48:26,698 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 99 transitions. Word has length 17 [2024-11-09 05:48:26,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:48:26,699 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 99 transitions. [2024-11-09 05:48:26,699 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 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) [2024-11-09 05:48:26,699 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 99 transitions. [2024-11-09 05:48:26,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-09 05:48:26,700 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:48:26,700 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:48:26,700 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 05:48:26,701 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 05:48:26,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:48:26,702 INFO L85 PathProgramCache]: Analyzing trace with hash 1648536332, now seen corresponding path program 1 times [2024-11-09 05:48:26,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:48:26,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121626856] [2024-11-09 05:48:26,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:48:26,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:48:26,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:48:26,764 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 05:48:26,765 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:48:26,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121626856] [2024-11-09 05:48:26,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [121626856] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:48:26,765 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:48:26,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:48:26,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688173067] [2024-11-09 05:48:26,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:48:26,766 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:48:26,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:48:26,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:48:26,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:48:26,768 INFO L87 Difference]: Start difference. First operand 75 states and 99 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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) [2024-11-09 05:48:26,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:48:26,825 INFO L93 Difference]: Finished difference Result 77 states and 101 transitions. [2024-11-09 05:48:26,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:48:26,826 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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) Word has length 17 [2024-11-09 05:48:26,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:48:26,827 INFO L225 Difference]: With dead ends: 77 [2024-11-09 05:48:26,827 INFO L226 Difference]: Without dead ends: 75 [2024-11-09 05:48:26,827 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:48:26,828 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 11 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:48:26,829 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 34 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:48:26,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2024-11-09 05:48:26,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 67. [2024-11-09 05:48:26,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 61 states have (on average 1.4098360655737705) internal successors, (86), 66 states have internal predecessors, (86), 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) [2024-11-09 05:48:26,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 86 transitions. [2024-11-09 05:48:26,836 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 86 transitions. Word has length 17 [2024-11-09 05:48:26,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:48:26,836 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 86 transitions. [2024-11-09 05:48:26,836 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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) [2024-11-09 05:48:26,837 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 86 transitions. [2024-11-09 05:48:26,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-09 05:48:26,838 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:48:26,838 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:48:26,838 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 05:48:26,838 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 05:48:26,839 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:48:26,839 INFO L85 PathProgramCache]: Analyzing trace with hash -434981184, now seen corresponding path program 1 times [2024-11-09 05:48:26,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:48:26,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680145132] [2024-11-09 05:48:26,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:48:26,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:48:26,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:48:26,902 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:48:26,902 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:48:26,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680145132] [2024-11-09 05:48:26,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [680145132] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:48:26,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:48:26,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:48:26,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602008266] [2024-11-09 05:48:26,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:48:26,904 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:48:26,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:48:26,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:48:26,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:48:26,905 INFO L87 Difference]: Start difference. First operand 67 states and 86 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2024-11-09 05:48:26,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:48:26,945 INFO L93 Difference]: Finished difference Result 79 states and 100 transitions. [2024-11-09 05:48:26,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:48:26,946 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 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) Word has length 18 [2024-11-09 05:48:26,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:48:26,947 INFO L225 Difference]: With dead ends: 79 [2024-11-09 05:48:26,948 INFO L226 Difference]: Without dead ends: 77 [2024-11-09 05:48:26,948 INFO L431 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 [2024-11-09 05:48:26,949 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 5 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:48:26,952 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 50 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 05:48:26,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2024-11-09 05:48:26,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 74. [2024-11-09 05:48:26,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 68 states have (on average 1.3676470588235294) internal successors, (93), 73 states have internal predecessors, (93), 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) [2024-11-09 05:48:26,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 93 transitions. [2024-11-09 05:48:26,965 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 93 transitions. Word has length 18 [2024-11-09 05:48:26,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:48:26,965 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 93 transitions. [2024-11-09 05:48:26,966 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2024-11-09 05:48:26,966 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 93 transitions. [2024-11-09 05:48:26,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-09 05:48:26,967 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:48:26,967 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:48:26,967 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 05:48:26,968 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 05:48:26,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:48:26,968 INFO L85 PathProgramCache]: Analyzing trace with hash -1487745065, now seen corresponding path program 1 times [2024-11-09 05:48:26,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:48:26,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779510563] [2024-11-09 05:48:26,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:48:26,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:48:26,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:48:27,046 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:48:27,046 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:48:27,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779510563] [2024-11-09 05:48:27,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779510563] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:48:27,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1195121282] [2024-11-09 05:48:27,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:48:27,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:48:27,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c255ec4-4186-4515-9447-a88f6ab6a3f3/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:48:27,049 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c255ec4-4186-4515-9447-a88f6ab6a3f3/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:48:27,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c255ec4-4186-4515-9447-a88f6ab6a3f3/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 05:48:27,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:48:27,145 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 05:48:27,147 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:48:27,199 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 05:48:27,200 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:48:27,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1195121282] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:48:27,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 05:48:27,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 8 [2024-11-09 05:48:27,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967783306] [2024-11-09 05:48:27,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:48:27,201 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 05:48:27,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:48:27,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 05:48:27,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-09 05:48:27,202 INFO L87 Difference]: Start difference. First operand 74 states and 93 transitions. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 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) [2024-11-09 05:48:27,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:48:27,248 INFO L93 Difference]: Finished difference Result 126 states and 154 transitions. [2024-11-09 05:48:27,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 05:48:27,249 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 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) Word has length 19 [2024-11-09 05:48:27,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:48:27,250 INFO L225 Difference]: With dead ends: 126 [2024-11-09 05:48:27,250 INFO L226 Difference]: Without dead ends: 74 [2024-11-09 05:48:27,251 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-09 05:48:27,251 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 1 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:48:27,252 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 90 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 05:48:27,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2024-11-09 05:48:27,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2024-11-09 05:48:27,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 68 states have (on average 1.338235294117647) internal successors, (91), 73 states have internal predecessors, (91), 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) [2024-11-09 05:48:27,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 91 transitions. [2024-11-09 05:48:27,258 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 91 transitions. Word has length 19 [2024-11-09 05:48:27,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:48:27,258 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 91 transitions. [2024-11-09 05:48:27,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 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) [2024-11-09 05:48:27,259 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 91 transitions. [2024-11-09 05:48:27,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-09 05:48:27,260 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:48:27,260 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 1, 1] [2024-11-09 05:48:27,286 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c255ec4-4186-4515-9447-a88f6ab6a3f3/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-09 05:48:27,464 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c255ec4-4186-4515-9447-a88f6ab6a3f3/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:48:27,465 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 05:48:27,465 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:48:27,465 INFO L85 PathProgramCache]: Analyzing trace with hash -613430540, now seen corresponding path program 2 times [2024-11-09 05:48:27,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:48:27,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117723513] [2024-11-09 05:48:27,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:48:27,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:48:27,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:48:27,708 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:48:27,709 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:48:27,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117723513] [2024-11-09 05:48:27,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117723513] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:48:27,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [671715165] [2024-11-09 05:48:27,710 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-09 05:48:27,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:48:27,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c255ec4-4186-4515-9447-a88f6ab6a3f3/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:48:27,712 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c255ec4-4186-4515-9447-a88f6ab6a3f3/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:48:27,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c255ec4-4186-4515-9447-a88f6ab6a3f3/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 05:48:27,802 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-09 05:48:27,803 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 05:48:27,804 INFO L255 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 05:48:27,806 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:48:27,996 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-09 05:48:27,997 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:48:28,109 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-09 05:48:28,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [671715165] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:48:28,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1785115681] [2024-11-09 05:48:28,112 INFO L159 IcfgInterpreter]: Started Sifa with 6 locations of interest [2024-11-09 05:48:28,112 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:48:28,113 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:48:28,113 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:48:28,113 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:48:28,685 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:48:29,189 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '2148#(and (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~a~0#1.offset| 0) (<= 2 |ULTIMATE.start_main_#t~malloc9#1.base|) (exists ((|v_#memory_int_23| (Array Int (Array Int Int))) (|v_ULTIMATE.start_main_#t~post11#1_35| Int)) (and (<= (+ |v_ULTIMATE.start_main_#t~post11#1_35| 1) |ULTIMATE.start_main_~array_size~0#1|) (<= 2147483647 |v_ULTIMATE.start_main_#t~post11#1_35|) (<= (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) (* |v_ULTIMATE.start_main_#t~post11#1_35| 4)) 2147483647) (<= 0 (+ (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) (* |v_ULTIMATE.start_main_#t~post11#1_35| 4)) 2147483648)) (= |#memory_int| (store |v_#memory_int_23| |ULTIMATE.start_main_~a~0#1.base| (store (select |v_#memory_int_23| |ULTIMATE.start_main_~a~0#1.base|) (* |v_ULTIMATE.start_main_#t~post11#1_35| 4) (select (select |#memory_int| |ULTIMATE.start_main_~a~0#1.base|) (* |v_ULTIMATE.start_main_#t~post11#1_35| 4))))))) (<= 2 |ULTIMATE.start_main_~a~0#1.base|))' at error location [2024-11-09 05:48:29,189 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-09 05:48:29,190 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:48:29,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 3, 3] total 16 [2024-11-09 05:48:29,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353078642] [2024-11-09 05:48:29,190 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 05:48:29,191 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-09 05:48:29,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:48:29,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-09 05:48:29,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=377, Unknown=0, NotChecked=0, Total=462 [2024-11-09 05:48:29,192 INFO L87 Difference]: Start difference. First operand 74 states and 91 transitions. Second operand has 18 states, 17 states have (on average 2.2941176470588234) internal successors, (39), 17 states have internal predecessors, (39), 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) [2024-11-09 05:48:29,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:48:29,612 INFO L93 Difference]: Finished difference Result 79 states and 100 transitions. [2024-11-09 05:48:29,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 05:48:29,613 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 2.2941176470588234) internal successors, (39), 17 states have internal predecessors, (39), 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) Word has length 21 [2024-11-09 05:48:29,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:48:29,613 INFO L225 Difference]: With dead ends: 79 [2024-11-09 05:48:29,613 INFO L226 Difference]: Without dead ends: 78 [2024-11-09 05:48:29,614 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 46 SyntacticMatches, 5 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 270 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=228, Invalid=962, Unknown=0, NotChecked=0, Total=1190 [2024-11-09 05:48:29,615 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 22 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:48:29,616 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 189 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:48:29,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-11-09 05:48:29,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 59. [2024-11-09 05:48:29,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 54 states have (on average 1.2962962962962963) internal successors, (70), 58 states have internal predecessors, (70), 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) [2024-11-09 05:48:29,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 70 transitions. [2024-11-09 05:48:29,621 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 70 transitions. Word has length 21 [2024-11-09 05:48:29,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:48:29,621 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 70 transitions. [2024-11-09 05:48:29,621 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 2.2941176470588234) internal successors, (39), 17 states have internal predecessors, (39), 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) [2024-11-09 05:48:29,622 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 70 transitions. [2024-11-09 05:48:29,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 05:48:29,622 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:48:29,622 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:48:29,648 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c255ec4-4186-4515-9447-a88f6ab6a3f3/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-09 05:48:29,823 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c255ec4-4186-4515-9447-a88f6ab6a3f3/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-09 05:48:29,824 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 05:48:29,824 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:48:29,824 INFO L85 PathProgramCache]: Analyzing trace with hash -1738642946, now seen corresponding path program 1 times [2024-11-09 05:48:29,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:48:29,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918690172] [2024-11-09 05:48:29,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:48:29,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:48:29,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:48:29,900 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 05:48:29,901 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:48:29,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918690172] [2024-11-09 05:48:29,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [918690172] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:48:29,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2001486284] [2024-11-09 05:48:29,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:48:29,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:48:29,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c255ec4-4186-4515-9447-a88f6ab6a3f3/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:48:29,904 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c255ec4-4186-4515-9447-a88f6ab6a3f3/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:48:29,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c255ec4-4186-4515-9447-a88f6ab6a3f3/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 05:48:29,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:48:29,994 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 05:48:29,996 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:48:30,076 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 05:48:30,076 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:48:30,150 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 05:48:30,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2001486284] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:48:30,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [165560102] [2024-11-09 05:48:30,153 INFO L159 IcfgInterpreter]: Started Sifa with 17 locations of interest [2024-11-09 05:48:30,154 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:48:30,154 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:48:30,154 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:48:30,155 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:48:31,146 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:48:33,863 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '2480#(and (<= 1 |#StackHeapBarrier|) (<= 1 |ULTIMATE.start_insertionSort_~i~0#1|) (<= 2 |ULTIMATE.start_main_#t~malloc9#1.base|) (<= 2 |ULTIMATE.start_insertionSort_~a#1.base|) (= |ULTIMATE.start_insertionSort_~a#1.offset| 0) (<= 2 |ULTIMATE.start_insertionSort_~array_size#1|) (<= |ULTIMATE.start_insertionSort_~array_size#1| 2147483647))' at error location [2024-11-09 05:48:33,864 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-09 05:48:33,864 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:48:33,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 6, 6] total 11 [2024-11-09 05:48:33,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656133531] [2024-11-09 05:48:33,864 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 05:48:33,865 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 05:48:33,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:48:33,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 05:48:33,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=483, Unknown=7, NotChecked=0, Total=552 [2024-11-09 05:48:33,867 INFO L87 Difference]: Start difference. First operand 59 states and 70 transitions. Second operand has 11 states, 11 states have (on average 4.0) internal successors, (44), 11 states have internal predecessors, (44), 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) [2024-11-09 05:48:34,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:48:34,142 INFO L93 Difference]: Finished difference Result 144 states and 171 transitions. [2024-11-09 05:48:34,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 05:48:34,143 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.0) internal successors, (44), 11 states have internal predecessors, (44), 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) Word has length 23 [2024-11-09 05:48:34,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:48:34,144 INFO L225 Difference]: With dead ends: 144 [2024-11-09 05:48:34,144 INFO L226 Difference]: Without dead ends: 92 [2024-11-09 05:48:34,144 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 42 SyntacticMatches, 7 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=78, Invalid=617, Unknown=7, NotChecked=0, Total=702 [2024-11-09 05:48:34,145 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 47 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:48:34,146 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 105 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 05:48:34,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2024-11-09 05:48:34,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 78. [2024-11-09 05:48:34,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 73 states have (on average 1.273972602739726) internal successors, (93), 77 states have internal predecessors, (93), 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) [2024-11-09 05:48:34,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 93 transitions. [2024-11-09 05:48:34,152 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 93 transitions. Word has length 23 [2024-11-09 05:48:34,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:48:34,152 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 93 transitions. [2024-11-09 05:48:34,153 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.0) internal successors, (44), 11 states have internal predecessors, (44), 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) [2024-11-09 05:48:34,153 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 93 transitions. [2024-11-09 05:48:34,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-09 05:48:34,154 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:48:34,154 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:48:34,180 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c255ec4-4186-4515-9447-a88f6ab6a3f3/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-09 05:48:34,354 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c255ec4-4186-4515-9447-a88f6ab6a3f3/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-09 05:48:34,355 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 05:48:34,356 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:48:34,356 INFO L85 PathProgramCache]: Analyzing trace with hash 1988735030, now seen corresponding path program 1 times [2024-11-09 05:48:34,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:48:34,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38808270] [2024-11-09 05:48:34,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:48:34,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:48:34,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:48:34,440 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-09 05:48:34,441 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:48:34,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38808270] [2024-11-09 05:48:34,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38808270] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:48:34,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:48:34,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:48:34,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459480788] [2024-11-09 05:48:34,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:48:34,442 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:48:34,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:48:34,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:48:34,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:48:34,444 INFO L87 Difference]: Start difference. First operand 78 states and 93 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 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) [2024-11-09 05:48:34,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:48:34,491 INFO L93 Difference]: Finished difference Result 81 states and 96 transitions. [2024-11-09 05:48:34,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:48:34,492 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 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) Word has length 30 [2024-11-09 05:48:34,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:48:34,492 INFO L225 Difference]: With dead ends: 81 [2024-11-09 05:48:34,493 INFO L226 Difference]: Without dead ends: 80 [2024-11-09 05:48:34,493 INFO L431 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 [2024-11-09 05:48:34,494 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 2 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:48:34,494 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 48 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 05:48:34,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-11-09 05:48:34,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 77. [2024-11-09 05:48:34,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 73 states have (on average 1.2328767123287672) internal successors, (90), 76 states have internal predecessors, (90), 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) [2024-11-09 05:48:34,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 90 transitions. [2024-11-09 05:48:34,501 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 90 transitions. Word has length 30 [2024-11-09 05:48:34,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:48:34,501 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 90 transitions. [2024-11-09 05:48:34,502 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 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) [2024-11-09 05:48:34,502 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 90 transitions. [2024-11-09 05:48:34,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-09 05:48:34,508 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:48:34,508 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:48:34,508 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-09 05:48:34,508 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 05:48:34,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:48:34,509 INFO L85 PathProgramCache]: Analyzing trace with hash 1521243878, now seen corresponding path program 1 times [2024-11-09 05:48:34,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:48:34,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586984532] [2024-11-09 05:48:34,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:48:34,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:48:34,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:48:34,662 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 05:48:34,663 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:48:34,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586984532] [2024-11-09 05:48:34,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586984532] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:48:34,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1318396219] [2024-11-09 05:48:34,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:48:34,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:48:34,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c255ec4-4186-4515-9447-a88f6ab6a3f3/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:48:34,666 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c255ec4-4186-4515-9447-a88f6ab6a3f3/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:48:34,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c255ec4-4186-4515-9447-a88f6ab6a3f3/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-09 05:48:34,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:48:34,766 INFO L255 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 05:48:34,767 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:48:34,834 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 05:48:34,834 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:48:34,909 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 05:48:34,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1318396219] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:48:34,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1555199680] [2024-11-09 05:48:34,914 INFO L159 IcfgInterpreter]: Started Sifa with 18 locations of interest [2024-11-09 05:48:34,914 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:48:34,915 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:48:34,916 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:48:34,916 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:48:35,565 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:48:36,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1555199680] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:48:36,641 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:48:36,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [7, 7, 7] total 23 [2024-11-09 05:48:36,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679462355] [2024-11-09 05:48:36,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:48:36,643 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-09 05:48:36,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:48:36,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-09 05:48:36,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=412, Unknown=0, NotChecked=0, Total=506 [2024-11-09 05:48:36,646 INFO L87 Difference]: Start difference. First operand 77 states and 90 transitions. Second operand has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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) [2024-11-09 05:48:37,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:48:37,179 INFO L93 Difference]: Finished difference Result 79 states and 91 transitions. [2024-11-09 05:48:37,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-09 05:48:37,180 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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) Word has length 31 [2024-11-09 05:48:37,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:48:37,181 INFO L225 Difference]: With dead ends: 79 [2024-11-09 05:48:37,181 INFO L226 Difference]: Without dead ends: 78 [2024-11-09 05:48:37,182 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 73 SyntacticMatches, 4 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=115, Invalid=535, Unknown=0, NotChecked=0, Total=650 [2024-11-09 05:48:37,186 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 18 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:48:37,186 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 37 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 05:48:37,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-11-09 05:48:37,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 70. [2024-11-09 05:48:37,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 66 states have (on average 1.2272727272727273) internal successors, (81), 69 states have internal predecessors, (81), 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) [2024-11-09 05:48:37,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 81 transitions. [2024-11-09 05:48:37,194 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 81 transitions. Word has length 31 [2024-11-09 05:48:37,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:48:37,194 INFO L471 AbstractCegarLoop]: Abstraction has 70 states and 81 transitions. [2024-11-09 05:48:37,194 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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) [2024-11-09 05:48:37,195 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 81 transitions. [2024-11-09 05:48:37,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-09 05:48:37,197 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:48:37,198 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:48:37,228 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c255ec4-4186-4515-9447-a88f6ab6a3f3/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-09 05:48:37,401 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c255ec4-4186-4515-9447-a88f6ab6a3f3/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-09 05:48:37,402 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 05:48:37,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:48:37,402 INFO L85 PathProgramCache]: Analyzing trace with hash 1174678099, now seen corresponding path program 1 times [2024-11-09 05:48:37,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:48:37,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666078438] [2024-11-09 05:48:37,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:48:37,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:48:37,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:48:37,517 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 05:48:37,518 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:48:37,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666078438] [2024-11-09 05:48:37,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666078438] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:48:37,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:48:37,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:48:37,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156367352] [2024-11-09 05:48:37,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:48:37,521 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:48:37,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:48:37,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:48:37,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:48:37,522 INFO L87 Difference]: Start difference. First operand 70 states and 81 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 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) [2024-11-09 05:48:37,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:48:37,568 INFO L93 Difference]: Finished difference Result 80 states and 92 transitions. [2024-11-09 05:48:37,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:48:37,569 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 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) Word has length 32 [2024-11-09 05:48:37,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:48:37,569 INFO L225 Difference]: With dead ends: 80 [2024-11-09 05:48:37,570 INFO L226 Difference]: Without dead ends: 78 [2024-11-09 05:48:37,571 INFO L431 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 [2024-11-09 05:48:37,572 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 5 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:48:37,572 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 54 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 05:48:37,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-11-09 05:48:37,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 65. [2024-11-09 05:48:37,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 63 states have (on average 1.1746031746031746) internal successors, (74), 64 states have internal predecessors, (74), 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) [2024-11-09 05:48:37,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 74 transitions. [2024-11-09 05:48:37,580 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 74 transitions. Word has length 32 [2024-11-09 05:48:37,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:48:37,580 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 74 transitions. [2024-11-09 05:48:37,580 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 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) [2024-11-09 05:48:37,581 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 74 transitions. [2024-11-09 05:48:37,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-09 05:48:37,583 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:48:37,583 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-09 05:48:37,583 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-09 05:48:37,583 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 05:48:37,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:48:37,584 INFO L85 PathProgramCache]: Analyzing trace with hash -177205725, now seen corresponding path program 1 times [2024-11-09 05:48:37,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:48:37,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173420254] [2024-11-09 05:48:37,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:48:37,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:48:37,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:48:37,873 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-09 05:48:37,874 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:48:37,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173420254] [2024-11-09 05:48:37,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173420254] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:48:37,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [543209717] [2024-11-09 05:48:37,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:48:37,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:48:37,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c255ec4-4186-4515-9447-a88f6ab6a3f3/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:48:37,877 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c255ec4-4186-4515-9447-a88f6ab6a3f3/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:48:37,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c255ec4-4186-4515-9447-a88f6ab6a3f3/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-09 05:48:37,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:48:37,984 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 05:48:37,986 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:48:38,141 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-09 05:48:38,142 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:48:38,287 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-09 05:48:38,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [543209717] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:48:38,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1810960209] [2024-11-09 05:48:38,290 INFO L159 IcfgInterpreter]: Started Sifa with 17 locations of interest [2024-11-09 05:48:38,291 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:48:38,291 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:48:38,291 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:48:38,292 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:48:39,163 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:48:40,195 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '3705#(and (<= 1 |#StackHeapBarrier|) (<= 1 |ULTIMATE.start_insertionSort_~i~0#1|) (<= 2 |ULTIMATE.start_main_#t~malloc9#1.base|) (<= 2 |ULTIMATE.start_insertionSort_~a#1.base|) (= |ULTIMATE.start_insertionSort_~a#1.offset| 0) (<= 2 |ULTIMATE.start_insertionSort_~array_size#1|) (<= |ULTIMATE.start_insertionSort_~array_size#1| 2147483647))' at error location [2024-11-09 05:48:40,196 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-09 05:48:40,196 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:48:40,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 14 [2024-11-09 05:48:40,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932528004] [2024-11-09 05:48:40,196 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 05:48:40,197 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-09 05:48:40,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:48:40,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-09 05:48:40,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=569, Unknown=9, NotChecked=0, Total=650 [2024-11-09 05:48:40,198 INFO L87 Difference]: Start difference. First operand 65 states and 74 transitions. Second operand has 15 states, 15 states have (on average 4.066666666666666) internal successors, (61), 14 states have internal predecessors, (61), 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) [2024-11-09 05:48:40,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:48:40,326 INFO L93 Difference]: Finished difference Result 123 states and 141 transitions. [2024-11-09 05:48:40,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 05:48:40,326 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 4.066666666666666) internal successors, (61), 14 states have internal predecessors, (61), 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) Word has length 35 [2024-11-09 05:48:40,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:48:40,327 INFO L225 Difference]: With dead ends: 123 [2024-11-09 05:48:40,327 INFO L226 Difference]: Without dead ends: 69 [2024-11-09 05:48:40,328 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 80 SyntacticMatches, 8 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 226 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=72, Invalid=569, Unknown=9, NotChecked=0, Total=650 [2024-11-09 05:48:40,329 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 13 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:48:40,329 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 120 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:48:40,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2024-11-09 05:48:40,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2024-11-09 05:48:40,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 67 states have (on average 1.164179104477612) internal successors, (78), 68 states have internal predecessors, (78), 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) [2024-11-09 05:48:40,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 78 transitions. [2024-11-09 05:48:40,335 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 78 transitions. Word has length 35 [2024-11-09 05:48:40,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:48:40,336 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 78 transitions. [2024-11-09 05:48:40,336 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 4.066666666666666) internal successors, (61), 14 states have internal predecessors, (61), 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) [2024-11-09 05:48:40,336 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 78 transitions. [2024-11-09 05:48:40,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-09 05:48:40,337 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:48:40,337 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-09 05:48:40,362 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c255ec4-4186-4515-9447-a88f6ab6a3f3/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-09 05:48:40,541 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c255ec4-4186-4515-9447-a88f6ab6a3f3/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-09 05:48:40,542 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 05:48:40,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:48:40,542 INFO L85 PathProgramCache]: Analyzing trace with hash -370640310, now seen corresponding path program 2 times [2024-11-09 05:48:40,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:48:40,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751880037] [2024-11-09 05:48:40,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:48:40,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:48:40,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:48:40,663 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-09 05:48:40,663 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:48:40,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751880037] [2024-11-09 05:48:40,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751880037] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:48:40,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1684659932] [2024-11-09 05:48:40,664 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-09 05:48:40,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:48:40,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c255ec4-4186-4515-9447-a88f6ab6a3f3/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:48:40,666 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c255ec4-4186-4515-9447-a88f6ab6a3f3/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:48:40,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c255ec4-4186-4515-9447-a88f6ab6a3f3/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-09 05:48:40,758 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-09 05:48:40,759 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 05:48:40,759 INFO L255 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 05:48:40,761 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:48:40,949 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-09 05:48:40,950 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:48:41,071 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-09 05:48:41,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1684659932] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:48:41,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [217705100] [2024-11-09 05:48:41,073 INFO L159 IcfgInterpreter]: Started Sifa with 17 locations of interest [2024-11-09 05:48:41,074 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:48:41,074 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:48:41,074 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:48:41,075 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:48:41,763 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:48:42,798 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '4182#(and (<= 1 |#StackHeapBarrier|) (<= 1 |ULTIMATE.start_insertionSort_~i~0#1|) (<= 2 |ULTIMATE.start_main_#t~malloc9#1.base|) (<= 2 |ULTIMATE.start_insertionSort_~a#1.base|) (= |ULTIMATE.start_insertionSort_~a#1.offset| 0) (<= 2 |ULTIMATE.start_insertionSort_~array_size#1|) (<= |ULTIMATE.start_insertionSort_~array_size#1| 2147483647))' at error location [2024-11-09 05:48:42,798 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-09 05:48:42,798 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:48:42,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 4] total 14 [2024-11-09 05:48:42,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278808828] [2024-11-09 05:48:42,799 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 05:48:42,799 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 05:48:42,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:48:42,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 05:48:42,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=513, Unknown=16, NotChecked=0, Total=600 [2024-11-09 05:48:42,800 INFO L87 Difference]: Start difference. First operand 69 states and 78 transitions. Second operand has 14 states, 14 states have (on average 5.642857142857143) internal successors, (79), 14 states have internal predecessors, (79), 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) [2024-11-09 05:48:43,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:48:43,192 INFO L93 Difference]: Finished difference Result 110 states and 128 transitions. [2024-11-09 05:48:43,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 05:48:43,193 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.642857142857143) internal successors, (79), 14 states have internal predecessors, (79), 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) Word has length 39 [2024-11-09 05:48:43,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:48:43,194 INFO L225 Difference]: With dead ends: 110 [2024-11-09 05:48:43,194 INFO L226 Difference]: Without dead ends: 0 [2024-11-09 05:48:43,195 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 96 SyntacticMatches, 2 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=150, Invalid=890, Unknown=16, NotChecked=0, Total=1056 [2024-11-09 05:48:43,196 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 121 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:48:43,196 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 79 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 05:48:43,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-09 05:48:43,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-09 05:48:43,197 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) [2024-11-09 05:48:43,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-09 05:48:43,198 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2024-11-09 05:48:43,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:48:43,198 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 05:48:43,198 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.642857142857143) internal successors, (79), 14 states have internal predecessors, (79), 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) [2024-11-09 05:48:43,199 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-09 05:48:43,199 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 05:48:43,202 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining) [2024-11-09 05:48:43,203 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining) [2024-11-09 05:48:43,203 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining) [2024-11-09 05:48:43,204 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining) [2024-11-09 05:48:43,204 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 10 remaining) [2024-11-09 05:48:43,204 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 10 remaining) [2024-11-09 05:48:43,204 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining) [2024-11-09 05:48:43,205 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining) [2024-11-09 05:48:43,205 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining) [2024-11-09 05:48:43,205 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining) [2024-11-09 05:48:43,232 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c255ec4-4186-4515-9447-a88f6ab6a3f3/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-09 05:48:43,408 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c255ec4-4186-4515-9447-a88f6ab6a3f3/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:48:43,412 INFO L407 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:48:43,414 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-09 05:48:43,851 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 05:48:43,868 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 05:48:43,870 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~malloc9!base [2024-11-09 05:48:43,870 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~a!base [2024-11-09 05:48:43,871 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~a!offset [2024-11-09 05:48:43,874 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 05:48:43,875 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~a~0!offset [2024-11-09 05:48:43,875 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~malloc9!base [2024-11-09 05:48:43,875 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~a~0!base [2024-11-09 05:48:43,877 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 05:48:43 BoogieIcfgContainer [2024-11-09 05:48:43,877 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 05:48:43,878 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 05:48:43,878 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 05:48:43,878 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 05:48:43,879 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:48:21" (3/4) ... [2024-11-09 05:48:43,882 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 05:48:43,891 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-09 05:48:43,892 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-09 05:48:43,892 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-09 05:48:43,892 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 05:48:44,001 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c255ec4-4186-4515-9447-a88f6ab6a3f3/bin/utaipan-verify-YMUCfTKeje/witness.graphml [2024-11-09 05:48:44,002 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c255ec4-4186-4515-9447-a88f6ab6a3f3/bin/utaipan-verify-YMUCfTKeje/witness.yml [2024-11-09 05:48:44,002 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 05:48:44,003 INFO L158 Benchmark]: Toolchain (without parser) took 23653.03ms. Allocated memory was 155.2MB in the beginning and 272.6MB in the end (delta: 117.4MB). Free memory was 121.0MB in the beginning and 112.9MB in the end (delta: 8.1MB). Peak memory consumption was 125.6MB. Max. memory is 16.1GB. [2024-11-09 05:48:44,003 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 155.2MB. Free memory is still 123.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:48:44,004 INFO L158 Benchmark]: CACSL2BoogieTranslator took 608.69ms. Allocated memory is still 155.2MB. Free memory was 120.6MB in the beginning and 101.7MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-09 05:48:44,004 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.81ms. Allocated memory is still 155.2MB. Free memory was 101.7MB in the beginning and 100.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:48:44,004 INFO L158 Benchmark]: Boogie Preprocessor took 39.75ms. Allocated memory is still 155.2MB. Free memory was 100.1MB in the beginning and 98.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 05:48:44,005 INFO L158 Benchmark]: RCFGBuilder took 528.96ms. Allocated memory is still 155.2MB. Free memory was 98.6MB in the beginning and 83.3MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 05:48:44,006 INFO L158 Benchmark]: TraceAbstraction took 22276.61ms. Allocated memory was 155.2MB in the beginning and 272.6MB in the end (delta: 117.4MB). Free memory was 82.3MB in the beginning and 118.2MB in the end (delta: -35.9MB). Peak memory consumption was 83.6MB. Max. memory is 16.1GB. [2024-11-09 05:48:44,006 INFO L158 Benchmark]: Witness Printer took 124.29ms. Allocated memory is still 272.6MB. Free memory was 118.2MB in the beginning and 112.9MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 05:48:44,008 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 155.2MB. Free memory is still 123.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 608.69ms. Allocated memory is still 155.2MB. Free memory was 120.6MB in the beginning and 101.7MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.81ms. Allocated memory is still 155.2MB. Free memory was 101.7MB in the beginning and 100.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 39.75ms. Allocated memory is still 155.2MB. Free memory was 100.1MB in the beginning and 98.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 528.96ms. Allocated memory is still 155.2MB. Free memory was 98.6MB in the beginning and 83.3MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 22276.61ms. Allocated memory was 155.2MB in the beginning and 272.6MB in the end (delta: 117.4MB). Free memory was 82.3MB in the beginning and 118.2MB in the end (delta: -35.9MB). Peak memory consumption was 83.6MB. Max. memory is 16.1GB. * Witness Printer took 124.29ms. Allocated memory is still 272.6MB. Free memory was 118.2MB in the beginning and 112.9MB 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.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #t~malloc9!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~a!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~a!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~a~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #t~malloc9!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~a~0!base * 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: 530]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 530]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 518]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 518]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 519]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 519]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 518]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 518]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 515]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 515]: 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 1 procedures, 32 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 21.7s, OverallIterations: 18, TraceHistogramMax: 5, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 391 SdHoareTripleChecker+Valid, 1.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 391 mSDsluCounter, 1449 SdHoareTripleChecker+Invalid, 1.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1079 mSDsCounter, 30 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1160 IncrementalHoareTripleChecker+Invalid, 1190 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 30 mSolverCounterUnsat, 370 mSDtfsCounter, 1160 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 600 GetRequests, 383 SyntacticMatches, 28 SemanticMatches, 189 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1042 ImplicationChecksByTransitivity, 8.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=78occurred in iteration=13, InterpolantAutomatonStates: 123, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 18 MinimizatonAttempts, 94 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 529 NumberOfCodeBlocks, 483 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 655 ConstructedInterpolants, 0 QuantifiedInterpolants, 1664 SizeOfPredicates, 15 NumberOfNonLiveVariables, 571 ConjunctsInSsa, 53 ConjunctsInUnsatCore, 32 InterpolantComputations, 12 PerfectInterpolantSequences, 289/425 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: OVERALL_TIME: 0.7s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 1, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 19, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 46, TOOLS_POST_TIME: 0.5s, TOOLS_POST_CALL_APPLICATIONS: 0, TOOLS_POST_CALL_TIME: 0.0s, TOOLS_POST_RETURN_APPLICATIONS: 0, TOOLS_POST_RETURN_TIME: 0.0s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 43, TOOLS_QUANTIFIERELIM_TIME: 0.5s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.1s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 75, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 7, DOMAIN_JOIN_TIME: 0.0s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME: 0.0s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 4, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 19, DOMAIN_ISBOTTOM_TIME: 0.0s, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME: 0.4s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 0.4s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 4, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME: 0.0s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.0s, DAG_COMPRESSION_PROCESSED_NODES: 412, DAG_COMPRESSION_RETAINED_NODES: 64, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 10 specifications checked. All of them hold - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: ((((array_size <= 536870910) && (i == 1)) || (((i <= 2147483648) && (2 <= i)) && (array_size <= 536870910))) || ((i == 1) && (array_size <= 1))) - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: ((((0 <= i) && (i <= 2147483646)) && (array_size <= 536870910)) && (1 <= array_size)) RESULT: Ultimate proved your program to be correct! [2024-11-09 05:48:44,039 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c255ec4-4186-4515-9447-a88f6ab6a3f3/bin/utaipan-verify-YMUCfTKeje/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