./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-memsafety/cstrspn-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_3aaa4dbc-8ef2-4f06-a80d-6010681b8548/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aaa4dbc-8ef2-4f06-a80d-6010681b8548/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_3aaa4dbc-8ef2-4f06-a80d-6010681b8548/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aaa4dbc-8ef2-4f06-a80d-6010681b8548/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-memsafety/cstrspn-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aaa4dbc-8ef2-4f06-a80d-6010681b8548/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_3aaa4dbc-8ef2-4f06-a80d-6010681b8548/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 45a8f33f173b19ce98ca13bb7c3a70605cebce85501309e729b51c966620adf7 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:00:42,827 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:00:42,947 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aaa4dbc-8ef2-4f06-a80d-6010681b8548/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-32bit-Taipan_Default.epf [2024-11-09 06:00:42,955 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:00:42,955 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:00:42,989 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:00:42,990 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:00:42,991 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:00:42,992 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:00:42,994 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:00:42,994 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:00:42,995 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:00:42,996 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:00:42,996 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 06:00:42,997 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:00:42,997 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:00:43,005 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 06:00:43,006 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 06:00:43,007 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:00:43,007 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 06:00:43,008 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 06:00:43,008 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 06:00:43,009 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:00:43,013 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:00:43,014 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:00:43,014 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 06:00:43,015 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:00:43,015 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:00:43,015 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:00:43,016 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:00:43,016 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:00:43,017 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:00:43,017 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 06:00:43,017 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 06:00:43,018 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:00:43,018 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:00:43,018 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:00:43,021 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:00:43,021 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:00:43,021 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:00:43,022 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:00:43,022 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:00:43,023 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:00:43,023 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:00:43,024 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 06:00:43,025 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 06:00:43,025 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:00:43,025 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:00:43,025 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 06:00:43,026 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_3aaa4dbc-8ef2-4f06-a80d-6010681b8548/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aaa4dbc-8ef2-4f06-a80d-6010681b8548/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 45a8f33f173b19ce98ca13bb7c3a70605cebce85501309e729b51c966620adf7 [2024-11-09 06:00:43,388 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:00:43,423 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:00:43,427 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:00:43,429 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:00:43,430 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:00:43,431 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aaa4dbc-8ef2-4f06-a80d-6010681b8548/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/array-memsafety/cstrspn-alloca-1.i Unable to find full path for "g++" [2024-11-09 06:00:46,076 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:00:46,375 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:00:46,376 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aaa4dbc-8ef2-4f06-a80d-6010681b8548/sv-benchmarks/c/array-memsafety/cstrspn-alloca-1.i [2024-11-09 06:00:46,393 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aaa4dbc-8ef2-4f06-a80d-6010681b8548/bin/utaipan-verify-YMUCfTKeje/data/d036b3753/bf64eea4cb144f6c8385cc553b9836d7/FLAG6c6275889 [2024-11-09 06:00:46,417 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aaa4dbc-8ef2-4f06-a80d-6010681b8548/bin/utaipan-verify-YMUCfTKeje/data/d036b3753/bf64eea4cb144f6c8385cc553b9836d7 [2024-11-09 06:00:46,421 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:00:46,426 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:00:46,428 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:00:46,429 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:00:46,438 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:00:46,439 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:00:46" (1/1) ... [2024-11-09 06:00:46,441 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@706fdc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:00:46, skipping insertion in model container [2024-11-09 06:00:46,441 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:00:46" (1/1) ... [2024-11-09 06:00:46,498 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:00:47,046 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:00:47,060 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:00:47,133 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:00:47,176 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:00:47,177 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:00:47 WrapperNode [2024-11-09 06:00:47,177 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:00:47,179 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:00:47,179 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:00:47,180 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:00:47,190 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:00:47" (1/1) ... [2024-11-09 06:00:47,206 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:00:47" (1/1) ... [2024-11-09 06:00:47,245 INFO L138 Inliner]: procedures = 117, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 115 [2024-11-09 06:00:47,249 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:00:47,250 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:00:47,250 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:00:47,250 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:00:47,263 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:00:47" (1/1) ... [2024-11-09 06:00:47,264 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:00:47" (1/1) ... [2024-11-09 06:00:47,268 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:00:47" (1/1) ... [2024-11-09 06:00:47,274 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:00:47" (1/1) ... [2024-11-09 06:00:47,282 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:00:47" (1/1) ... [2024-11-09 06:00:47,287 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:00:47" (1/1) ... [2024-11-09 06:00:47,289 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:00:47" (1/1) ... [2024-11-09 06:00:47,290 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:00:47" (1/1) ... [2024-11-09 06:00:47,293 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:00:47,295 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:00:47,295 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:00:47,295 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:00:47,296 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:00:47" (1/1) ... [2024-11-09 06:00:47,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:00:47,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aaa4dbc-8ef2-4f06-a80d-6010681b8548/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:00:47,343 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aaa4dbc-8ef2-4f06-a80d-6010681b8548/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:00:47,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aaa4dbc-8ef2-4f06-a80d-6010681b8548/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:00:47,400 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 06:00:47,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 06:00:47,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 06:00:47,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 06:00:47,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:00:47,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:00:47,599 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:00:47,605 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:00:48,060 INFO L? ?]: Removed 44 outVars from TransFormulas that were not future-live. [2024-11-09 06:00:48,063 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:00:48,193 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:00:48,193 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-09 06:00:48,195 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:00:48 BoogieIcfgContainer [2024-11-09 06:00:48,195 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:00:48,199 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:00:48,202 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:00:48,207 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:00:48,209 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:00:46" (1/3) ... [2024-11-09 06:00:48,210 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cba24f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:00:48, skipping insertion in model container [2024-11-09 06:00:48,210 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:00:47" (2/3) ... [2024-11-09 06:00:48,212 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cba24f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:00:48, skipping insertion in model container [2024-11-09 06:00:48,213 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:00:48" (3/3) ... [2024-11-09 06:00:48,214 INFO L112 eAbstractionObserver]: Analyzing ICFG cstrspn-alloca-1.i [2024-11-09 06:00:48,244 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:00:48,244 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2024-11-09 06:00:48,335 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:00:48,344 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;@30cc91ab, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:00:48,344 INFO L334 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2024-11-09 06:00:48,351 INFO L276 IsEmpty]: Start isEmpty. Operand has 38 states, 25 states have (on average 1.84) internal successors, (46), 37 states have internal predecessors, (46), 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 06:00:48,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-09 06:00:48,359 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:00:48,359 INFO L215 NwaCegarLoop]: trace histogram [1, 1] [2024-11-09 06:00:48,361 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-09 06:00:48,371 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:00:48,373 INFO L85 PathProgramCache]: Analyzing trace with hash 4545, now seen corresponding path program 1 times [2024-11-09 06:00:48,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:00:48,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893553568] [2024-11-09 06:00:48,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:00:48,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:00:48,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:00:48,741 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 06:00:48,742 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:00:48,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893553568] [2024-11-09 06:00:48,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893553568] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:00:48,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:00:48,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-09 06:00:48,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417978465] [2024-11-09 06:00:48,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:00:48,752 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:00:48,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:00:48,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:00:48,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:00:48,790 INFO L87 Difference]: Start difference. First operand has 38 states, 25 states have (on average 1.84) internal successors, (46), 37 states have internal predecessors, (46), 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 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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 06:00:48,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:00:48,878 INFO L93 Difference]: Finished difference Result 65 states and 80 transitions. [2024-11-09 06:00:48,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:00:48,884 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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 2 [2024-11-09 06:00:48,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:00:48,896 INFO L225 Difference]: With dead ends: 65 [2024-11-09 06:00:48,896 INFO L226 Difference]: Without dead ends: 27 [2024-11-09 06:00:48,901 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 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 06:00:48,908 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 21 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 06:00:48,909 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 42 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 06:00:48,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2024-11-09 06:00:48,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2024-11-09 06:00:48,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 17 states have (on average 1.6470588235294117) internal successors, (28), 26 states have internal predecessors, (28), 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 06:00:48,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 28 transitions. [2024-11-09 06:00:48,963 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 28 transitions. Word has length 2 [2024-11-09 06:00:48,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:00:48,964 INFO L471 AbstractCegarLoop]: Abstraction has 27 states and 28 transitions. [2024-11-09 06:00:48,964 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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 06:00:48,964 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2024-11-09 06:00:48,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-09 06:00:48,965 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:00:48,965 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-11-09 06:00:48,965 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 06:00:48,966 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-09 06:00:48,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:00:48,967 INFO L85 PathProgramCache]: Analyzing trace with hash 140947, now seen corresponding path program 1 times [2024-11-09 06:00:48,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:00:48,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543786298] [2024-11-09 06:00:48,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:00:48,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:00:48,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:00:49,103 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 06:00:49,103 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:00:49,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543786298] [2024-11-09 06:00:49,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [543786298] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:00:49,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:00:49,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-09 06:00:49,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33333063] [2024-11-09 06:00:49,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:00:49,109 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:00:49,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:00:49,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:00:49,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:00:49,113 INFO L87 Difference]: Start difference. First operand 27 states and 28 transitions. Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 06:00:49,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:00:49,145 INFO L93 Difference]: Finished difference Result 27 states and 28 transitions. [2024-11-09 06:00:49,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:00:49,146 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 3 [2024-11-09 06:00:49,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:00:49,147 INFO L225 Difference]: With dead ends: 27 [2024-11-09 06:00:49,147 INFO L226 Difference]: Without dead ends: 25 [2024-11-09 06:00:49,148 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 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 06:00:49,150 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 20 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 06:00:49,151 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 22 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 06:00:49,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2024-11-09 06:00:49,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2024-11-09 06:00:49,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 24 states have internal predecessors, (26), 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 06:00:49,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 26 transitions. [2024-11-09 06:00:49,160 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 26 transitions. Word has length 3 [2024-11-09 06:00:49,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:00:49,161 INFO L471 AbstractCegarLoop]: Abstraction has 25 states and 26 transitions. [2024-11-09 06:00:49,161 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 06:00:49,161 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2024-11-09 06:00:49,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-09 06:00:49,162 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:00:49,162 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-09 06:00:49,162 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 06:00:49,163 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-09 06:00:49,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:00:49,167 INFO L85 PathProgramCache]: Analyzing trace with hash 135451893, now seen corresponding path program 1 times [2024-11-09 06:00:49,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:00:49,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214820112] [2024-11-09 06:00:49,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:00:49,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:00:49,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:00:49,392 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 06:00:49,392 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:00:49,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214820112] [2024-11-09 06:00:49,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1214820112] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:00:49,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:00:49,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:00:49,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643170446] [2024-11-09 06:00:49,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:00:49,395 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 06:00:49,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:00:49,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 06:00:49,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 06:00:49,400 INFO L87 Difference]: Start difference. First operand 25 states and 26 transitions. Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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 06:00:49,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:00:49,467 INFO L93 Difference]: Finished difference Result 32 states and 34 transitions. [2024-11-09 06:00:49,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 06:00:49,469 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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 5 [2024-11-09 06:00:49,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:00:49,470 INFO L225 Difference]: With dead ends: 32 [2024-11-09 06:00:49,470 INFO L226 Difference]: Without dead ends: 30 [2024-11-09 06:00:49,471 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 06:00:49,477 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 1 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 06:00:49,477 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 60 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 06:00:49,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2024-11-09 06:00:49,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2024-11-09 06:00:49,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 22 states have (on average 1.4545454545454546) internal successors, (32), 29 states have internal predecessors, (32), 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 06:00:49,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 32 transitions. [2024-11-09 06:00:49,487 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 32 transitions. Word has length 5 [2024-11-09 06:00:49,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:00:49,488 INFO L471 AbstractCegarLoop]: Abstraction has 30 states and 32 transitions. [2024-11-09 06:00:49,488 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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 06:00:49,488 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 32 transitions. [2024-11-09 06:00:49,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 06:00:49,489 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:00:49,489 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-09 06:00:49,490 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 06:00:49,490 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-09 06:00:49,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:00:49,491 INFO L85 PathProgramCache]: Analyzing trace with hash -95960279, now seen corresponding path program 1 times [2024-11-09 06:00:49,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:00:49,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983184011] [2024-11-09 06:00:49,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:00:49,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:00:49,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:00:49,585 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 06:00:49,586 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:00:49,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983184011] [2024-11-09 06:00:49,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [983184011] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:00:49,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:00:49,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-09 06:00:49,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259194357] [2024-11-09 06:00:49,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:00:49,588 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:00:49,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:00:49,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:00:49,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:00:49,590 INFO L87 Difference]: Start difference. First operand 30 states and 32 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 06:00:49,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:00:49,616 INFO L93 Difference]: Finished difference Result 30 states and 32 transitions. [2024-11-09 06:00:49,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:00:49,616 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 6 [2024-11-09 06:00:49,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:00:49,617 INFO L225 Difference]: With dead ends: 30 [2024-11-09 06:00:49,617 INFO L226 Difference]: Without dead ends: 28 [2024-11-09 06:00:49,618 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 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 06:00:49,619 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 17 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 06:00:49,620 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 16 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 06:00:49,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2024-11-09 06:00:49,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2024-11-09 06:00:49,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 22 states have (on average 1.3636363636363635) internal successors, (30), 27 states have internal predecessors, (30), 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 06:00:49,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 30 transitions. [2024-11-09 06:00:49,625 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 30 transitions. Word has length 6 [2024-11-09 06:00:49,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:00:49,626 INFO L471 AbstractCegarLoop]: Abstraction has 28 states and 30 transitions. [2024-11-09 06:00:49,626 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 06:00:49,627 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 30 transitions. [2024-11-09 06:00:49,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 06:00:49,627 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:00:49,627 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:00:49,627 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 06:00:49,628 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-09 06:00:49,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:00:49,629 INFO L85 PathProgramCache]: Analyzing trace with hash 1320198719, now seen corresponding path program 1 times [2024-11-09 06:00:49,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:00:49,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327179556] [2024-11-09 06:00:49,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:00:49,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:00:49,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:00:49,725 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 06:00:49,725 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:00:49,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327179556] [2024-11-09 06:00:49,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327179556] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:00:49,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:00:49,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-09 06:00:49,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427898097] [2024-11-09 06:00:49,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:00:49,727 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:00:49,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:00:49,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:00:49,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:00:49,729 INFO L87 Difference]: Start difference. First operand 28 states and 30 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 06:00:49,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:00:49,757 INFO L93 Difference]: Finished difference Result 28 states and 30 transitions. [2024-11-09 06:00:49,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:00:49,758 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 7 [2024-11-09 06:00:49,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:00:49,759 INFO L225 Difference]: With dead ends: 28 [2024-11-09 06:00:49,760 INFO L226 Difference]: Without dead ends: 21 [2024-11-09 06:00:49,760 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 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 06:00:49,762 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 16 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 06:00:49,763 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 16 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 06:00:49,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2024-11-09 06:00:49,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2024-11-09 06:00:49,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 20 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 06:00:49,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 23 transitions. [2024-11-09 06:00:49,771 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 23 transitions. Word has length 7 [2024-11-09 06:00:49,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:00:49,772 INFO L471 AbstractCegarLoop]: Abstraction has 21 states and 23 transitions. [2024-11-09 06:00:49,772 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 06:00:49,772 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2024-11-09 06:00:49,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 06:00:49,773 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:00:49,773 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:00:49,774 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 06:00:49,774 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-09 06:00:49,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:00:49,775 INFO L85 PathProgramCache]: Analyzing trace with hash 1695619105, now seen corresponding path program 1 times [2024-11-09 06:00:49,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:00:49,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192631547] [2024-11-09 06:00:49,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:00:49,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:00:49,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:00:49,948 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 06:00:49,948 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:00:49,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192631547] [2024-11-09 06:00:49,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192631547] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:00:49,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:00:49,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 06:00:49,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736118576] [2024-11-09 06:00:49,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:00:49,951 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 06:00:49,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:00:49,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 06:00:49,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 06:00:49,954 INFO L87 Difference]: Start difference. First operand 21 states and 23 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 06:00:49,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:00:49,994 INFO L93 Difference]: Finished difference Result 28 states and 30 transitions. [2024-11-09 06:00:49,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 06:00:49,997 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 06:00:49,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:00:49,998 INFO L225 Difference]: With dead ends: 28 [2024-11-09 06:00:49,998 INFO L226 Difference]: Without dead ends: 26 [2024-11-09 06:00:49,999 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 06:00:50,000 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 1 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 06:00:50,001 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 36 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 06:00:50,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2024-11-09 06:00:50,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2024-11-09 06:00:50,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 25 states have internal predecessors, (28), 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 06:00:50,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 28 transitions. [2024-11-09 06:00:50,016 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 28 transitions. Word has length 9 [2024-11-09 06:00:50,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:00:50,017 INFO L471 AbstractCegarLoop]: Abstraction has 26 states and 28 transitions. [2024-11-09 06:00:50,017 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 06:00:50,017 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 28 transitions. [2024-11-09 06:00:50,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-09 06:00:50,018 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:00:50,018 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1] [2024-11-09 06:00:50,018 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 06:00:50,019 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-09 06:00:50,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:00:50,022 INFO L85 PathProgramCache]: Analyzing trace with hash -1676141876, now seen corresponding path program 1 times [2024-11-09 06:00:50,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:00:50,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584424484] [2024-11-09 06:00:50,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:00:50,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:00:50,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:00:50,244 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 06:00:50,245 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:00:50,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584424484] [2024-11-09 06:00:50,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584424484] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:00:50,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1358472103] [2024-11-09 06:00:50,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:00:50,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:00:50,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aaa4dbc-8ef2-4f06-a80d-6010681b8548/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:00:50,250 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aaa4dbc-8ef2-4f06-a80d-6010681b8548/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:00:50,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aaa4dbc-8ef2-4f06-a80d-6010681b8548/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 06:00:50,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:00:50,400 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 06:00:50,408 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:00:50,523 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 06:00:50,523 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:00:50,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1358472103] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:00:50,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 06:00:50,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2024-11-09 06:00:50,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473299242] [2024-11-09 06:00:50,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:00:50,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:00:50,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:00:50,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:00:50,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-09 06:00:50,529 INFO L87 Difference]: Start difference. First operand 26 states and 28 transitions. Second operand has 6 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 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 06:00:50,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:00:50,604 INFO L93 Difference]: Finished difference Result 26 states and 28 transitions. [2024-11-09 06:00:50,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:00:50,605 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 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 10 [2024-11-09 06:00:50,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:00:50,606 INFO L225 Difference]: With dead ends: 26 [2024-11-09 06:00:50,606 INFO L226 Difference]: Without dead ends: 25 [2024-11-09 06:00:50,607 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 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 06:00:50,608 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 1 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 06:00:50,608 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 33 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 06:00:50,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2024-11-09 06:00:50,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2024-11-09 06:00:50,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 24 states have internal predecessors, (27), 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 06:00:50,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 27 transitions. [2024-11-09 06:00:50,615 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 27 transitions. Word has length 10 [2024-11-09 06:00:50,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:00:50,616 INFO L471 AbstractCegarLoop]: Abstraction has 25 states and 27 transitions. [2024-11-09 06:00:50,616 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 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 06:00:50,616 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions. [2024-11-09 06:00:50,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-09 06:00:50,617 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:00:50,617 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1] [2024-11-09 06:00:50,648 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aaa4dbc-8ef2-4f06-a80d-6010681b8548/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-09 06:00:50,818 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aaa4dbc-8ef2-4f06-a80d-6010681b8548/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:00:50,819 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-09 06:00:50,820 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:00:50,821 INFO L85 PathProgramCache]: Analyzing trace with hash -420790543, now seen corresponding path program 1 times [2024-11-09 06:00:50,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:00:50,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107581705] [2024-11-09 06:00:50,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:00:50,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:00:50,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:00:51,026 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:00:51,027 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:00:51,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107581705] [2024-11-09 06:00:51,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [107581705] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:00:51,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1502967839] [2024-11-09 06:00:51,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:00:51,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:00:51,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aaa4dbc-8ef2-4f06-a80d-6010681b8548/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:00:51,030 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aaa4dbc-8ef2-4f06-a80d-6010681b8548/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:00:51,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aaa4dbc-8ef2-4f06-a80d-6010681b8548/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 06:00:51,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:00:51,170 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 06:00:51,171 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:00:51,246 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:00:51,247 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:00:51,368 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:00:51,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1502967839] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 06:00:51,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2043751538] [2024-11-09 06:00:51,407 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2024-11-09 06:00:51,407 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 06:00:51,416 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 06:00:51,426 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 06:00:51,428 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 06:00:53,971 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 06:00:54,833 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '635#(and (<= 2 |ULTIMATE.start_main_~nondetString2~0#1.base|) (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~nondetString2~0#1.offset| 0) (exists ((|v_#memory_int_21| (Array Int (Array Int Int))) (|v_ULTIMATE.start_main_#t~post15#1_27| Int)) (and (<= (+ 2 |v_ULTIMATE.start_main_#t~post15#1_27|) |ULTIMATE.start_main_~length1~0#1|) (<= (select (select |#memory_int| |ULTIMATE.start_main_~nondetString1~0#1.base|) |v_ULTIMATE.start_main_#t~post15#1_27|) 127) (= |#memory_int| (store |v_#memory_int_21| |ULTIMATE.start_main_~nondetString1~0#1.base| (store (select |v_#memory_int_21| |ULTIMATE.start_main_~nondetString1~0#1.base|) |v_ULTIMATE.start_main_#t~post15#1_27| (select (select |#memory_int| |ULTIMATE.start_main_~nondetString1~0#1.base|) |v_ULTIMATE.start_main_#t~post15#1_27|)))) (<= 0 (+ (select (select |#memory_int| |ULTIMATE.start_main_~nondetString1~0#1.base|) |v_ULTIMATE.start_main_#t~post15#1_27|) 128)) (<= 2147483647 |v_ULTIMATE.start_main_#t~post15#1_27|))) (<= 2 |ULTIMATE.start_main_#t~malloc12#1.base|) (= |ULTIMATE.start_main_~nondetString1~0#1.offset| 0) (<= 2 |ULTIMATE.start_main_#t~malloc13#1.base|) (<= 2 |ULTIMATE.start_main_~nondetString1~0#1.base|))' at error location [2024-11-09 06:00:54,834 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-09 06:00:54,835 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 06:00:54,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2024-11-09 06:00:54,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073598424] [2024-11-09 06:00:54,836 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 06:00:54,836 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 06:00:54,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:00:54,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 06:00:54,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=220, Unknown=0, NotChecked=0, Total=272 [2024-11-09 06:00:54,839 INFO L87 Difference]: Start difference. First operand 25 states and 27 transitions. Second operand has 12 states, 11 states have (on average 2.5454545454545454) internal successors, (28), 11 states have internal predecessors, (28), 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 06:00:54,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:00:54,931 INFO L93 Difference]: Finished difference Result 41 states and 48 transitions. [2024-11-09 06:00:54,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 06:00:54,932 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.5454545454545454) internal successors, (28), 11 states have internal predecessors, (28), 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 06:00:54,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:00:54,935 INFO L225 Difference]: With dead ends: 41 [2024-11-09 06:00:54,935 INFO L226 Difference]: Without dead ends: 40 [2024-11-09 06:00:54,936 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 18 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=52, Invalid=220, Unknown=0, NotChecked=0, Total=272 [2024-11-09 06:00:54,938 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 0 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 06:00:54,938 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 75 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 06:00:54,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2024-11-09 06:00:54,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2024-11-09 06:00:54,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 37 states have (on average 1.2162162162162162) internal successors, (45), 39 states have internal predecessors, (45), 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 06:00:54,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 45 transitions. [2024-11-09 06:00:54,949 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 45 transitions. Word has length 11 [2024-11-09 06:00:54,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:00:54,949 INFO L471 AbstractCegarLoop]: Abstraction has 40 states and 45 transitions. [2024-11-09 06:00:54,950 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.5454545454545454) internal successors, (28), 11 states have internal predecessors, (28), 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 06:00:54,950 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 45 transitions. [2024-11-09 06:00:54,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-09 06:00:54,951 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:00:54,951 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:00:54,985 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aaa4dbc-8ef2-4f06-a80d-6010681b8548/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-09 06:00:55,156 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aaa4dbc-8ef2-4f06-a80d-6010681b8548/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:00:55,156 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-09 06:00:55,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:00:55,157 INFO L85 PathProgramCache]: Analyzing trace with hash 1321479732, now seen corresponding path program 1 times [2024-11-09 06:00:55,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:00:55,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724625297] [2024-11-09 06:00:55,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:00:55,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:00:55,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:00:55,300 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 06:00:55,300 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:00:55,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724625297] [2024-11-09 06:00:55,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724625297] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:00:55,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [684427763] [2024-11-09 06:00:55,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:00:55,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:00:55,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aaa4dbc-8ef2-4f06-a80d-6010681b8548/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:00:55,304 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aaa4dbc-8ef2-4f06-a80d-6010681b8548/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:00:55,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aaa4dbc-8ef2-4f06-a80d-6010681b8548/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 06:00:55,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:00:55,431 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 06:00:55,433 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:00:55,504 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 06:00:55,504 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:00:55,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [684427763] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:00:55,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 06:00:55,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-09 06:00:55,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823728370] [2024-11-09 06:00:55,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:00:55,506 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:00:55,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:00:55,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:00:55,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-09 06:00:55,508 INFO L87 Difference]: Start difference. First operand 40 states and 45 transitions. Second operand has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 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 06:00:55,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:00:55,568 INFO L93 Difference]: Finished difference Result 40 states and 45 transitions. [2024-11-09 06:00:55,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:00:55,570 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 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 14 [2024-11-09 06:00:55,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:00:55,571 INFO L225 Difference]: With dead ends: 40 [2024-11-09 06:00:55,571 INFO L226 Difference]: Without dead ends: 39 [2024-11-09 06:00:55,572 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 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 06:00:55,573 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 1 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 06:00:55,577 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 40 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 06:00:55,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2024-11-09 06:00:55,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2024-11-09 06:00:55,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 37 states have (on average 1.1891891891891893) internal successors, (44), 38 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 06:00:55,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 44 transitions. [2024-11-09 06:00:55,593 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 44 transitions. Word has length 14 [2024-11-09 06:00:55,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:00:55,597 INFO L471 AbstractCegarLoop]: Abstraction has 39 states and 44 transitions. [2024-11-09 06:00:55,597 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 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 06:00:55,597 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 44 transitions. [2024-11-09 06:00:55,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-09 06:00:55,598 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:00:55,598 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:00:55,636 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aaa4dbc-8ef2-4f06-a80d-6010681b8548/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-09 06:00:55,803 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aaa4dbc-8ef2-4f06-a80d-6010681b8548/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:00:55,804 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-09 06:00:55,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:00:55,805 INFO L85 PathProgramCache]: Analyzing trace with hash -1983801187, now seen corresponding path program 1 times [2024-11-09 06:00:55,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:00:55,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192469368] [2024-11-09 06:00:55,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:00:55,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:00:55,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:00:55,951 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:00:55,952 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:00:55,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192469368] [2024-11-09 06:00:55,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1192469368] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:00:55,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [786500600] [2024-11-09 06:00:55,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:00:55,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:00:55,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aaa4dbc-8ef2-4f06-a80d-6010681b8548/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:00:55,956 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aaa4dbc-8ef2-4f06-a80d-6010681b8548/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:00:55,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aaa4dbc-8ef2-4f06-a80d-6010681b8548/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 06:00:56,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:00:56,065 INFO L255 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 06:00:56,066 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:00:56,125 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:00:56,125 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:00:56,215 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:00:56,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [786500600] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 06:00:56,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [131380333] [2024-11-09 06:00:56,222 INFO L159 IcfgInterpreter]: Started Sifa with 11 locations of interest [2024-11-09 06:00:56,223 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 06:00:56,223 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 06:00:56,223 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 06:00:56,224 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 06:00:57,791 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 06:00:59,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [131380333] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:00:59,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 06:00:59,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5, 5, 5] total 17 [2024-11-09 06:00:59,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854868736] [2024-11-09 06:00:59,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:00:59,070 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 06:00:59,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:00:59,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 06:00:59,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=251, Unknown=0, NotChecked=0, Total=306 [2024-11-09 06:00:59,072 INFO L87 Difference]: Start difference. First operand 39 states and 44 transitions. Second operand has 8 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 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 06:00:59,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:00:59,884 INFO L93 Difference]: Finished difference Result 51 states and 56 transitions. [2024-11-09 06:00:59,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:00:59,885 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 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 15 [2024-11-09 06:00:59,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:00:59,886 INFO L225 Difference]: With dead ends: 51 [2024-11-09 06:00:59,887 INFO L226 Difference]: Without dead ends: 39 [2024-11-09 06:00:59,888 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 27 SyntacticMatches, 5 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 160 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=67, Invalid=313, Unknown=0, NotChecked=0, Total=380 [2024-11-09 06:00:59,890 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 9 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 06:00:59,891 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 29 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 06:00:59,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2024-11-09 06:00:59,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2024-11-09 06:00:59,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 37 states have (on average 1.162162162162162) internal successors, (43), 38 states have internal predecessors, (43), 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 06:00:59,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 43 transitions. [2024-11-09 06:00:59,908 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 43 transitions. Word has length 15 [2024-11-09 06:00:59,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:00:59,908 INFO L471 AbstractCegarLoop]: Abstraction has 39 states and 43 transitions. [2024-11-09 06:00:59,908 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 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 06:00:59,909 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 43 transitions. [2024-11-09 06:00:59,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-09 06:00:59,909 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:00:59,909 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:00:59,940 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aaa4dbc-8ef2-4f06-a80d-6010681b8548/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-09 06:01:00,114 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aaa4dbc-8ef2-4f06-a80d-6010681b8548/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:01:00,115 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-09 06:01:00,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:01:00,117 INFO L85 PathProgramCache]: Analyzing trace with hash 1271315892, now seen corresponding path program 1 times [2024-11-09 06:01:00,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:01:00,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081282056] [2024-11-09 06:01:00,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:01:00,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:01:00,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:01:00,278 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-09 06:01:00,278 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:01:00,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081282056] [2024-11-09 06:01:00,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081282056] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:01:00,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1278306971] [2024-11-09 06:01:00,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:01:00,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:01:00,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aaa4dbc-8ef2-4f06-a80d-6010681b8548/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:01:00,283 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aaa4dbc-8ef2-4f06-a80d-6010681b8548/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:01:00,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aaa4dbc-8ef2-4f06-a80d-6010681b8548/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 06:01:00,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:01:00,406 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 06:01:00,409 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:01:00,461 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-09 06:01:00,462 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:01:00,546 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-09 06:01:00,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1278306971] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 06:01:00,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1440443216] [2024-11-09 06:01:00,551 INFO L159 IcfgInterpreter]: Started Sifa with 13 locations of interest [2024-11-09 06:01:00,552 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 06:01:00,552 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 06:01:00,553 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 06:01:00,553 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 06:01:02,390 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 06:01:03,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1440443216] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:01:03,332 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 06:01:03,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [5, 5, 5] total 20 [2024-11-09 06:01:03,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615002475] [2024-11-09 06:01:03,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:01:03,334 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 06:01:03,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:01:03,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 06:01:03,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=355, Unknown=0, NotChecked=0, Total=420 [2024-11-09 06:01:03,335 INFO L87 Difference]: Start difference. First operand 39 states and 43 transitions. Second operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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 06:01:03,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:01:03,880 INFO L93 Difference]: Finished difference Result 39 states and 43 transitions. [2024-11-09 06:01:03,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 06:01:03,881 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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 20 [2024-11-09 06:01:03,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:01:03,881 INFO L225 Difference]: With dead ends: 39 [2024-11-09 06:01:03,881 INFO L226 Difference]: Without dead ends: 27 [2024-11-09 06:01:03,882 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 40 SyntacticMatches, 4 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 227 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=94, Invalid=556, Unknown=0, NotChecked=0, Total=650 [2024-11-09 06:01:03,883 INFO L432 NwaCegarLoop]: 2 mSDtfsCounter, 12 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 06:01:03,884 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 8 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 06:01:03,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2024-11-09 06:01:03,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2024-11-09 06:01:03,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.0384615384615385) internal successors, (27), 26 states have internal predecessors, (27), 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 06:01:03,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 27 transitions. [2024-11-09 06:01:03,892 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 27 transitions. Word has length 20 [2024-11-09 06:01:03,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:01:03,892 INFO L471 AbstractCegarLoop]: Abstraction has 27 states and 27 transitions. [2024-11-09 06:01:03,892 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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 06:01:03,893 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 27 transitions. [2024-11-09 06:01:03,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-09 06:01:03,896 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:01:03,897 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 1, 1] [2024-11-09 06:01:03,927 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aaa4dbc-8ef2-4f06-a80d-6010681b8548/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-09 06:01:04,097 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aaa4dbc-8ef2-4f06-a80d-6010681b8548/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:01:04,102 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-09 06:01:04,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:01:04,103 INFO L85 PathProgramCache]: Analyzing trace with hash 245939496, now seen corresponding path program 2 times [2024-11-09 06:01:04,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:01:04,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250819000] [2024-11-09 06:01:04,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:01:04,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:01:04,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:01:04,345 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:01:04,346 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:01:04,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250819000] [2024-11-09 06:01:04,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [250819000] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:01:04,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1671778259] [2024-11-09 06:01:04,346 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-09 06:01:04,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:01:04,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aaa4dbc-8ef2-4f06-a80d-6010681b8548/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:01:04,349 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aaa4dbc-8ef2-4f06-a80d-6010681b8548/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:01:04,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aaa4dbc-8ef2-4f06-a80d-6010681b8548/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-09 06:01:04,422 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-09 06:01:04,422 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 06:01:04,423 INFO L255 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 06:01:04,424 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:01:04,453 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-09 06:01:04,454 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:01:04,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1671778259] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:01:04,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 06:01:04,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [10] total 13 [2024-11-09 06:01:04,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397554645] [2024-11-09 06:01:04,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:01:04,456 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 06:01:04,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:01:04,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 06:01:04,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2024-11-09 06:01:04,457 INFO L87 Difference]: Start difference. First operand 27 states and 27 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 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 06:01:04,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:01:04,489 INFO L93 Difference]: Finished difference Result 27 states and 27 transitions. [2024-11-09 06:01:04,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 06:01:04,490 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 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 26 [2024-11-09 06:01:04,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:01:04,490 INFO L225 Difference]: With dead ends: 27 [2024-11-09 06:01:04,491 INFO L226 Difference]: Without dead ends: 0 [2024-11-09 06:01:04,491 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2024-11-09 06:01:04,492 INFO L432 NwaCegarLoop]: 0 mSDtfsCounter, 4 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 06:01:04,492 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 0 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 06:01:04,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-09 06:01:04,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-09 06:01:04,493 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 06:01:04,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-09 06:01:04,493 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2024-11-09 06:01:04,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:01:04,494 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 06:01:04,495 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 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 06:01:04,495 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-09 06:01:04,495 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 06:01:04,499 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 12 remaining) [2024-11-09 06:01:04,499 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 12 remaining) [2024-11-09 06:01:04,500 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 12 remaining) [2024-11-09 06:01:04,500 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 12 remaining) [2024-11-09 06:01:04,501 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 12 remaining) [2024-11-09 06:01:04,501 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 12 remaining) [2024-11-09 06:01:04,501 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 12 remaining) [2024-11-09 06:01:04,501 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 12 remaining) [2024-11-09 06:01:04,502 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 12 remaining) [2024-11-09 06:01:04,502 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 12 remaining) [2024-11-09 06:01:04,502 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 12 remaining) [2024-11-09 06:01:04,502 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 12 remaining) [2024-11-09 06:01:04,530 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aaa4dbc-8ef2-4f06-a80d-6010681b8548/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-09 06:01:04,703 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aaa4dbc-8ef2-4f06-a80d-6010681b8548/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:01:04,710 INFO L407 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:01:04,715 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-09 06:01:05,579 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 06:01:05,614 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 06:01:05 BoogieIcfgContainer [2024-11-09 06:01:05,614 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 06:01:05,615 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 06:01:05,615 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 06:01:05,616 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 06:01:05,620 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:00:48" (3/4) ... [2024-11-09 06:01:05,628 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 06:01:05,653 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-11-09 06:01:05,656 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-09 06:01:05,657 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-09 06:01:05,657 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 06:01:05,848 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aaa4dbc-8ef2-4f06-a80d-6010681b8548/bin/utaipan-verify-YMUCfTKeje/witness.graphml [2024-11-09 06:01:05,849 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aaa4dbc-8ef2-4f06-a80d-6010681b8548/bin/utaipan-verify-YMUCfTKeje/witness.yml [2024-11-09 06:01:05,849 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 06:01:05,850 INFO L158 Benchmark]: Toolchain (without parser) took 19423.42ms. Allocated memory was 172.0MB in the beginning and 373.3MB in the end (delta: 201.3MB). Free memory was 128.9MB in the beginning and 150.9MB in the end (delta: -22.0MB). Peak memory consumption was 182.4MB. Max. memory is 16.1GB. [2024-11-09 06:01:05,851 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 125.8MB. Free memory is still 70.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:01:05,851 INFO L158 Benchmark]: CACSL2BoogieTranslator took 749.57ms. Allocated memory is still 172.0MB. Free memory was 128.8MB in the beginning and 109.4MB in the end (delta: 19.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-09 06:01:05,855 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.13ms. Allocated memory is still 172.0MB. Free memory was 109.4MB in the beginning and 107.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 06:01:05,855 INFO L158 Benchmark]: Boogie Preprocessor took 43.75ms. Allocated memory is still 172.0MB. Free memory was 107.3MB in the beginning and 105.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:01:05,856 INFO L158 Benchmark]: RCFGBuilder took 901.05ms. Allocated memory is still 172.0MB. Free memory was 105.8MB in the beginning and 130.2MB in the end (delta: -24.4MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. [2024-11-09 06:01:05,857 INFO L158 Benchmark]: TraceAbstraction took 17415.27ms. Allocated memory was 172.0MB in the beginning and 373.3MB in the end (delta: 201.3MB). Free memory was 130.2MB in the beginning and 156.1MB in the end (delta: -25.9MB). Peak memory consumption was 176.4MB. Max. memory is 16.1GB. [2024-11-09 06:01:05,857 INFO L158 Benchmark]: Witness Printer took 233.61ms. Allocated memory is still 373.3MB. Free memory was 156.1MB in the beginning and 150.9MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 06:01:05,862 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45ms. Allocated memory is still 125.8MB. Free memory is still 70.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 749.57ms. Allocated memory is still 172.0MB. Free memory was 128.8MB in the beginning and 109.4MB in the end (delta: 19.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.13ms. Allocated memory is still 172.0MB. Free memory was 109.4MB in the beginning and 107.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.75ms. Allocated memory is still 172.0MB. Free memory was 107.3MB in the beginning and 105.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 901.05ms. Allocated memory is still 172.0MB. Free memory was 105.8MB in the beginning and 130.2MB in the end (delta: -24.4MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. * TraceAbstraction took 17415.27ms. Allocated memory was 172.0MB in the beginning and 373.3MB in the end (delta: 201.3MB). Free memory was 130.2MB in the beginning and 156.1MB in the end (delta: -25.9MB). Peak memory consumption was 176.4MB. Max. memory is 16.1GB. * Witness Printer took 233.61ms. Allocated memory is still 373.3MB. Free memory was 156.1MB in the beginning and 150.9MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 541]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 541]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 541]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 541]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 546]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 546]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 546]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 546]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 551]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 551]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 552]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 552]: 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, 38 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 16.4s, OverallIterations: 12, TraceHistogramMax: 5, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 103 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 103 mSDsluCounter, 377 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 221 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 331 IncrementalHoareTripleChecker+Invalid, 349 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 156 mSDtfsCounter, 331 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 229 GetRequests, 128 SyntacticMatches, 11 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 535 ImplicationChecksByTransitivity, 4.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=40occurred in iteration=8, InterpolantAutomatonStates: 61, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 12 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 224 NumberOfCodeBlocks, 204 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 249 ConstructedInterpolants, 0 QuantifiedInterpolants, 601 SizeOfPredicates, 1 NumberOfNonLiveVariables, 415 ConjunctsInSsa, 29 ConjunctsInUnsatCore, 21 InterpolantComputations, 9 PerfectInterpolantSequences, 67/170 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: 3.4s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 23, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 72, TOOLS_POST_TIME: 3.0s, 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: 72, TOOLS_QUANTIFIERELIM_TIME: 3.0s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.2s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 119, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 5, DOMAIN_JOIN_TIME: 0.1s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 6, DOMAIN_WIDEN_TIME: 0.2s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 9, DOMAIN_ISSUBSETEQ_TIME: 0.1s, DOMAIN_ISBOTTOM_APPLICATIONS: 23, DOMAIN_ISBOTTOM_TIME: 0.1s, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME: 2.6s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 2.6s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 9, 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: 249, DAG_COMPRESSION_RETAINED_NODES: 80, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 12 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-09 06:01:05,935 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aaa4dbc-8ef2-4f06-a80d-6010681b8548/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