./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_65_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8e19b35-8192-4371-a702-67e40dbdf565/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8e19b35-8192-4371-a702-67e40dbdf565/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8e19b35-8192-4371-a702-67e40dbdf565/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8e19b35-8192-4371-a702-67e40dbdf565/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_65_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8e19b35-8192-4371-a702-67e40dbdf565/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8e19b35-8192-4371-a702-67e40dbdf565/bin/utaipan-verify-sOmjnqqW8E --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 74fd1c297c9ead1efa721ee76b1dea98137c2d38729559c7e520055033bcd721 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:51:50,119 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:51:50,195 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8e19b35-8192-4371-a702-67e40dbdf565/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Overflow-64bit-Taipan_Default.epf [2024-11-14 04:51:50,202 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:51:50,202 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:51:50,246 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:51:50,248 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:51:50,248 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:51:50,249 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:51:50,249 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:51:50,250 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:51:50,251 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:51:50,251 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:51:50,251 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 04:51:50,251 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:51:50,251 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:51:50,252 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 04:51:50,252 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 04:51:50,252 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:51:50,252 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 04:51:50,253 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 04:51:50,253 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 04:51:50,253 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:51:50,253 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:51:50,253 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 04:51:50,254 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:51:50,254 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:51:50,254 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:51:50,254 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:51:50,255 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:51:50,255 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-14 04:51:50,255 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-14 04:51:50,255 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:51:50,255 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:51:50,255 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:51:50,255 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:51:50,255 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:51:50,256 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:51:50,256 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:51:50,256 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:51:50,256 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:51:50,256 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 04:51:50,256 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 04:51:50,256 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:51:50,256 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:51:50,256 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 04:51:50,256 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_d8e19b35-8192-4371-a702-67e40dbdf565/bin/utaipan-verify-sOmjnqqW8E Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 74fd1c297c9ead1efa721ee76b1dea98137c2d38729559c7e520055033bcd721 [2024-11-14 04:51:50,583 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:51:50,599 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:51:50,603 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:51:50,604 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:51:50,606 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:51:50,607 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8e19b35-8192-4371-a702-67e40dbdf565/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_65_good.i Unable to find full path for "g++" [2024-11-14 04:51:52,588 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:51:53,138 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:51:53,139 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8e19b35-8192-4371-a702-67e40dbdf565/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_65_good.i [2024-11-14 04:51:53,174 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8e19b35-8192-4371-a702-67e40dbdf565/bin/utaipan-verify-sOmjnqqW8E/data/d844931d9/9d52df2ad2184cd8af15cf252556daea/FLAG3bc922623 [2024-11-14 04:51:53,191 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8e19b35-8192-4371-a702-67e40dbdf565/bin/utaipan-verify-sOmjnqqW8E/data/d844931d9/9d52df2ad2184cd8af15cf252556daea [2024-11-14 04:51:53,194 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:51:53,195 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:51:53,197 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:51:53,197 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:51:53,203 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:51:53,204 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:51:53" (1/1) ... [2024-11-14 04:51:53,205 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26f9fb7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:51:53, skipping insertion in model container [2024-11-14 04:51:53,205 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:51:53" (1/1) ... [2024-11-14 04:51:53,267 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:51:54,270 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:51:54,281 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:51:54,411 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:51:54,541 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:51:54,542 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:51:54 WrapperNode [2024-11-14 04:51:54,542 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:51:54,543 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:51:54,544 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:51:54,544 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:51:54,551 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:51:54" (1/1) ... [2024-11-14 04:51:54,571 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:51:54" (1/1) ... [2024-11-14 04:51:54,596 INFO L138 Inliner]: procedures = 503, calls = 36, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 89 [2024-11-14 04:51:54,596 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:51:54,597 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:51:54,597 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:51:54,597 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:51:54,605 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:51:54" (1/1) ... [2024-11-14 04:51:54,606 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:51:54" (1/1) ... [2024-11-14 04:51:54,608 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:51:54" (1/1) ... [2024-11-14 04:51:54,609 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:51:54" (1/1) ... [2024-11-14 04:51:54,614 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:51:54" (1/1) ... [2024-11-14 04:51:54,617 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:51:54" (1/1) ... [2024-11-14 04:51:54,618 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:51:54" (1/1) ... [2024-11-14 04:51:54,619 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:51:54" (1/1) ... [2024-11-14 04:51:54,622 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:51:54,623 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:51:54,623 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:51:54,623 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:51:54,624 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:51:54" (1/1) ... [2024-11-14 04:51:54,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:51:54,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8e19b35-8192-4371-a702-67e40dbdf565/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:51:54,694 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8e19b35-8192-4371-a702-67e40dbdf565/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:51:54,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8e19b35-8192-4371-a702-67e40dbdf565/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:51:54,727 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2024-11-14 04:51:54,729 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2024-11-14 04:51:54,729 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-14 04:51:54,729 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-14 04:51:54,729 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:51:54,729 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2024-11-14 04:51:54,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2024-11-14 04:51:54,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:51:54,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:51:54,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 04:51:54,927 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:51:54,929 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:51:55,142 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-11-14 04:51:55,142 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:51:55,187 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:51:55,187 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-14 04:51:55,188 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:51:55 BoogieIcfgContainer [2024-11-14 04:51:55,188 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:51:55,191 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:51:55,191 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:51:55,197 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:51:55,197 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:51:53" (1/3) ... [2024-11-14 04:51:55,198 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c3289ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:51:55, skipping insertion in model container [2024-11-14 04:51:55,198 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:51:54" (2/3) ... [2024-11-14 04:51:55,198 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c3289ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:51:55, skipping insertion in model container [2024-11-14 04:51:55,199 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:51:55" (3/3) ... [2024-11-14 04:51:55,200 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fgets_multiply_65_good.i [2024-11-14 04:51:55,217 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:51:55,218 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE191_Integer_Underflow__int_fgets_multiply_65_good.i that has 4 procedures, 41 locations, 1 initial locations, 0 loop locations, and 4 error locations. [2024-11-14 04:51:55,276 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:51:55,290 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;@17c2e20b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:51:55,291 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-14 04:51:55,295 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 25 states have (on average 1.36) internal successors, (34), 29 states have internal predecessors, (34), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-14 04:51:55,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-14 04:51:55,303 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:51:55,304 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:51:55,304 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-14 04:51:55,309 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:51:55,310 INFO L85 PathProgramCache]: Analyzing trace with hash -499796458, now seen corresponding path program 1 times [2024-11-14 04:51:55,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:51:55,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935776841] [2024-11-14 04:51:55,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:51:55,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:51:55,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:51:55,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:51:55,841 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:51:55,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935776841] [2024-11-14 04:51:55,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1935776841] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:51:55,842 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:51:55,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 04:51:55,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618529331] [2024-11-14 04:51:55,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:51:55,852 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 04:51:55,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:51:55,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 04:51:55,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-14 04:51:55,879 INFO L87 Difference]: Start difference. First operand has 41 states, 25 states have (on average 1.36) internal successors, (34), 29 states have internal predecessors, (34), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 6 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-14 04:51:56,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:51:56,055 INFO L93 Difference]: Finished difference Result 64 states and 79 transitions. [2024-11-14 04:51:56,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 04:51:56,058 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 10 [2024-11-14 04:51:56,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:51:56,065 INFO L225 Difference]: With dead ends: 64 [2024-11-14 04:51:56,065 INFO L226 Difference]: Without dead ends: 49 [2024-11-14 04:51:56,069 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-14 04:51:56,074 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 23 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:51:56,076 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 189 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:51:56,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2024-11-14 04:51:56,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 46. [2024-11-14 04:51:56,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 32 states have (on average 1.34375) internal successors, (43), 35 states have internal predecessors, (43), 7 states have call successors, (7), 4 states have call predecessors, (7), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-14 04:51:56,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 56 transitions. [2024-11-14 04:51:56,131 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 56 transitions. Word has length 10 [2024-11-14 04:51:56,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:51:56,132 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 56 transitions. [2024-11-14 04:51:56,133 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-14 04:51:56,133 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 56 transitions. [2024-11-14 04:51:56,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-14 04:51:56,134 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:51:56,134 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:51:56,135 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 04:51:56,135 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-14 04:51:56,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:51:56,136 INFO L85 PathProgramCache]: Analyzing trace with hash 1685471086, now seen corresponding path program 1 times [2024-11-14 04:51:56,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:51:56,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507231837] [2024-11-14 04:51:56,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:51:56,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:51:56,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:51:56,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:51:56,271 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:51:56,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507231837] [2024-11-14 04:51:56,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507231837] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:51:56,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:51:56,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:51:56,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691538806] [2024-11-14 04:51:56,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:51:56,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:51:56,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:51:56,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:51:56,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:51:56,274 INFO L87 Difference]: Start difference. First operand 46 states and 56 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-14 04:51:56,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:51:56,317 INFO L93 Difference]: Finished difference Result 46 states and 56 transitions. [2024-11-14 04:51:56,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:51:56,321 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2024-11-14 04:51:56,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:51:56,322 INFO L225 Difference]: With dead ends: 46 [2024-11-14 04:51:56,323 INFO L226 Difference]: Without dead ends: 45 [2024-11-14 04:51:56,323 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:51:56,324 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 1 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 04:51:56,324 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 70 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 04:51:56,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2024-11-14 04:51:56,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2024-11-14 04:51:56,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 32 states have (on average 1.28125) internal successors, (41), 34 states have internal predecessors, (41), 7 states have call successors, (7), 4 states have call predecessors, (7), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-14 04:51:56,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 54 transitions. [2024-11-14 04:51:56,340 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 54 transitions. Word has length 11 [2024-11-14 04:51:56,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:51:56,341 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 54 transitions. [2024-11-14 04:51:56,344 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-14 04:51:56,344 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 54 transitions. [2024-11-14 04:51:56,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-14 04:51:56,345 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:51:56,345 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:51:56,345 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 04:51:56,345 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ##fun~int~TO~VOIDErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-14 04:51:56,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:51:56,346 INFO L85 PathProgramCache]: Analyzing trace with hash 1686179086, now seen corresponding path program 1 times [2024-11-14 04:51:56,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:51:56,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539627185] [2024-11-14 04:51:56,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:51:56,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:51:56,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:51:56,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:51:56,426 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:51:56,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539627185] [2024-11-14 04:51:56,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539627185] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:51:56,426 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:51:56,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:51:56,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981489756] [2024-11-14 04:51:56,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:51:56,427 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:51:56,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:51:56,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:51:56,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:51:56,428 INFO L87 Difference]: Start difference. First operand 45 states and 54 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-14 04:51:56,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:51:56,459 INFO L93 Difference]: Finished difference Result 45 states and 54 transitions. [2024-11-14 04:51:56,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:51:56,460 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2024-11-14 04:51:56,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:51:56,463 INFO L225 Difference]: With dead ends: 45 [2024-11-14 04:51:56,463 INFO L226 Difference]: Without dead ends: 43 [2024-11-14 04:51:56,464 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:51:56,465 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 0 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 04:51:56,465 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 70 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 04:51:56,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2024-11-14 04:51:56,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2024-11-14 04:51:56,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 31 states have (on average 1.2258064516129032) internal successors, (38), 32 states have internal predecessors, (38), 7 states have call successors, (7), 4 states have call predecessors, (7), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-14 04:51:56,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 51 transitions. [2024-11-14 04:51:56,480 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 51 transitions. Word has length 11 [2024-11-14 04:51:56,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:51:56,481 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 51 transitions. [2024-11-14 04:51:56,481 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-14 04:51:56,483 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 51 transitions. [2024-11-14 04:51:56,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-14 04:51:56,484 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:51:56,484 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:51:56,484 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-14 04:51:56,484 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-14 04:51:56,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:51:56,485 INFO L85 PathProgramCache]: Analyzing trace with hash 709996194, now seen corresponding path program 1 times [2024-11-14 04:51:56,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:51:56,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320499661] [2024-11-14 04:51:56,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:51:56,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:51:56,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:51:56,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:51:56,559 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:51:56,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320499661] [2024-11-14 04:51:56,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1320499661] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:51:56,560 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:51:56,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:51:56,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122710330] [2024-11-14 04:51:56,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:51:56,560 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:51:56,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:51:56,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:51:56,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:51:56,561 INFO L87 Difference]: Start difference. First operand 43 states and 51 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-14 04:51:56,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:51:56,601 INFO L93 Difference]: Finished difference Result 43 states and 51 transitions. [2024-11-14 04:51:56,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:51:56,602 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2024-11-14 04:51:56,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:51:56,603 INFO L225 Difference]: With dead ends: 43 [2024-11-14 04:51:56,603 INFO L226 Difference]: Without dead ends: 38 [2024-11-14 04:51:56,603 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:51:56,604 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 0 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 04:51:56,604 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 66 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 04:51:56,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2024-11-14 04:51:56,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2024-11-14 04:51:56,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 27 states have (on average 1.1851851851851851) internal successors, (32), 27 states have internal predecessors, (32), 7 states have call successors, (7), 4 states have call predecessors, (7), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-14 04:51:56,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 45 transitions. [2024-11-14 04:51:56,611 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 45 transitions. Word has length 12 [2024-11-14 04:51:56,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:51:56,611 INFO L471 AbstractCegarLoop]: Abstraction has 38 states and 45 transitions. [2024-11-14 04:51:56,611 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-14 04:51:56,612 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 45 transitions. [2024-11-14 04:51:56,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-14 04:51:56,612 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:51:56,612 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:51:56,613 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-14 04:51:56,613 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-14 04:51:56,613 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:51:56,613 INFO L85 PathProgramCache]: Analyzing trace with hash -888242947, now seen corresponding path program 1 times [2024-11-14 04:51:56,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:51:56,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920564296] [2024-11-14 04:51:56,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:51:56,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:51:56,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:51:56,811 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:51:56,812 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:51:56,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920564296] [2024-11-14 04:51:56,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [920564296] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:51:56,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:51:56,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 04:51:56,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730045290] [2024-11-14 04:51:56,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:51:56,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 04:51:56,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:51:56,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 04:51:56,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:51:56,814 INFO L87 Difference]: Start difference. First operand 38 states and 45 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-14 04:51:56,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:51:56,849 INFO L93 Difference]: Finished difference Result 53 states and 60 transitions. [2024-11-14 04:51:56,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 04:51:56,849 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 20 [2024-11-14 04:51:56,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:51:56,850 INFO L225 Difference]: With dead ends: 53 [2024-11-14 04:51:56,850 INFO L226 Difference]: Without dead ends: 29 [2024-11-14 04:51:56,850 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:51:56,851 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 7 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 04:51:56,852 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 99 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 04:51:56,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2024-11-14 04:51:56,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2024-11-14 04:51:56,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 20 states have (on average 1.1) internal successors, (22), 20 states have internal predecessors, (22), 5 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-14 04:51:56,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 31 transitions. [2024-11-14 04:51:56,857 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 31 transitions. Word has length 20 [2024-11-14 04:51:56,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:51:56,857 INFO L471 AbstractCegarLoop]: Abstraction has 29 states and 31 transitions. [2024-11-14 04:51:56,857 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-14 04:51:56,858 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2024-11-14 04:51:56,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-14 04:51:56,858 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:51:56,858 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:51:56,858 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-14 04:51:56,859 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-14 04:51:56,859 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:51:56,859 INFO L85 PathProgramCache]: Analyzing trace with hash 1705196660, now seen corresponding path program 1 times [2024-11-14 04:51:56,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:51:56,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569605463] [2024-11-14 04:51:56,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:51:56,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:51:56,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:51:56,986 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:51:56,986 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:51:56,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569605463] [2024-11-14 04:51:56,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569605463] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:51:56,986 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:51:56,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-14 04:51:56,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954119692] [2024-11-14 04:51:56,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:51:56,987 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 04:51:56,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:51:56,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 04:51:56,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-14 04:51:56,988 INFO L87 Difference]: Start difference. First operand 29 states and 31 transitions. Second operand has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-14 04:51:57,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:51:57,067 INFO L93 Difference]: Finished difference Result 45 states and 47 transitions. [2024-11-14 04:51:57,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 04:51:57,068 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 20 [2024-11-14 04:51:57,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:51:57,069 INFO L225 Difference]: With dead ends: 45 [2024-11-14 04:51:57,069 INFO L226 Difference]: Without dead ends: 29 [2024-11-14 04:51:57,069 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-14 04:51:57,070 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 2 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:51:57,070 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 82 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:51:57,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2024-11-14 04:51:57,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2024-11-14 04:51:57,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 20 states have (on average 1.05) internal successors, (21), 20 states have internal predecessors, (21), 5 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-14 04:51:57,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 30 transitions. [2024-11-14 04:51:57,079 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 30 transitions. Word has length 20 [2024-11-14 04:51:57,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:51:57,080 INFO L471 AbstractCegarLoop]: Abstraction has 29 states and 30 transitions. [2024-11-14 04:51:57,083 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-14 04:51:57,083 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2024-11-14 04:51:57,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-14 04:51:57,084 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:51:57,084 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:51:57,084 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-14 04:51:57,084 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-14 04:51:57,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:51:57,085 INFO L85 PathProgramCache]: Analyzing trace with hash 377809966, now seen corresponding path program 1 times [2024-11-14 04:51:57,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:51:57,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956881769] [2024-11-14 04:51:57,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:51:57,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:51:57,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:51:57,330 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:51:57,331 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:51:57,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956881769] [2024-11-14 04:51:57,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956881769] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:51:57,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:51:57,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 04:51:57,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692304861] [2024-11-14 04:51:57,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:51:57,331 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 04:51:57,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:51:57,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 04:51:57,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:51:57,332 INFO L87 Difference]: Start difference. First operand 29 states and 30 transitions. Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-14 04:51:57,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:51:57,367 INFO L93 Difference]: Finished difference Result 29 states and 30 transitions. [2024-11-14 04:51:57,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 04:51:57,368 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 26 [2024-11-14 04:51:57,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:51:57,369 INFO L225 Difference]: With dead ends: 29 [2024-11-14 04:51:57,369 INFO L226 Difference]: Without dead ends: 0 [2024-11-14 04:51:57,369 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:51:57,370 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 2 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 04:51:57,370 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 57 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 04:51:57,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-14 04:51:57,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-14 04:51:57,376 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) [2024-11-14 04:51:57,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-14 04:51:57,376 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2024-11-14 04:51:57,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:51:57,376 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-14 04:51:57,376 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-14 04:51:57,376 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-14 04:51:57,377 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-14 04:51:57,381 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2024-11-14 04:51:57,381 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2024-11-14 04:51:57,382 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2024-11-14 04:51:57,382 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ##fun~int~TO~VOIDErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2024-11-14 04:51:57,382 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-14 04:51:57,386 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:51:57,388 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-14 04:51:57,575 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 04:51:57,590 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL [2024-11-14 04:51:57,609 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID [2024-11-14 04:51:57,610 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID [2024-11-14 04:51:57,610 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISupper [2024-11-14 04:51:57,610 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISlower [2024-11-14 04:51:57,610 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISalpha [2024-11-14 04:51:57,610 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISdigit [2024-11-14 04:51:57,610 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISxdigit [2024-11-14 04:51:57,610 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISspace [2024-11-14 04:51:57,611 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISprint [2024-11-14 04:51:57,611 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISgraph [2024-11-14 04:51:57,611 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISblank [2024-11-14 04:51:57,611 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_IScntrl [2024-11-14 04:51:57,611 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISpunct [2024-11-14 04:51:57,611 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISalnum [2024-11-14 04:51:57,611 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwupper [2024-11-14 04:51:57,611 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwlower [2024-11-14 04:51:57,611 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwalpha [2024-11-14 04:51:57,611 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwdigit [2024-11-14 04:51:57,611 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwxdigit [2024-11-14 04:51:57,611 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwspace [2024-11-14 04:51:57,612 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwprint [2024-11-14 04:51:57,612 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwgraph [2024-11-14 04:51:57,612 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwblank [2024-11-14 04:51:57,612 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwcntrl [2024-11-14 04:51:57,612 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwpunct [2024-11-14 04:51:57,612 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwalnum [2024-11-14 04:51:57,612 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwupper [2024-11-14 04:51:57,612 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwlower [2024-11-14 04:51:57,612 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwalpha [2024-11-14 04:51:57,612 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwdigit [2024-11-14 04:51:57,612 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwxdigit [2024-11-14 04:51:57,612 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwspace [2024-11-14 04:51:57,612 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwprint [2024-11-14 04:51:57,612 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwgraph [2024-11-14 04:51:57,612 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwblank [2024-11-14 04:51:57,612 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwcntrl [2024-11-14 04:51:57,613 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwpunct [2024-11-14 04:51:57,613 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwalnum [2024-11-14 04:51:57,619 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL [2024-11-14 04:51:57,620 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID [2024-11-14 04:51:57,620 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID [2024-11-14 04:51:57,621 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISupper [2024-11-14 04:51:57,621 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISlower [2024-11-14 04:51:57,621 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISalpha [2024-11-14 04:51:57,621 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISdigit [2024-11-14 04:51:57,621 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISxdigit [2024-11-14 04:51:57,621 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISspace [2024-11-14 04:51:57,621 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISprint [2024-11-14 04:51:57,621 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISgraph [2024-11-14 04:51:57,621 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISblank [2024-11-14 04:51:57,621 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_IScntrl [2024-11-14 04:51:57,621 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISpunct [2024-11-14 04:51:57,621 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISalnum [2024-11-14 04:51:57,621 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwupper [2024-11-14 04:51:57,622 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwlower [2024-11-14 04:51:57,622 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwalpha [2024-11-14 04:51:57,622 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwdigit [2024-11-14 04:51:57,625 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwxdigit [2024-11-14 04:51:57,626 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwspace [2024-11-14 04:51:57,626 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwprint [2024-11-14 04:51:57,626 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwgraph [2024-11-14 04:51:57,626 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwblank [2024-11-14 04:51:57,626 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwcntrl [2024-11-14 04:51:57,626 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwpunct [2024-11-14 04:51:57,626 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwalnum [2024-11-14 04:51:57,627 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwupper [2024-11-14 04:51:57,627 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwlower [2024-11-14 04:51:57,627 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwalpha [2024-11-14 04:51:57,627 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwdigit [2024-11-14 04:51:57,627 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwxdigit [2024-11-14 04:51:57,627 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwspace [2024-11-14 04:51:57,627 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwprint [2024-11-14 04:51:57,627 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwgraph [2024-11-14 04:51:57,627 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwblank [2024-11-14 04:51:57,627 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwcntrl [2024-11-14 04:51:57,627 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwpunct [2024-11-14 04:51:57,627 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwalnum [2024-11-14 04:51:57,636 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 04:51:57 BoogieIcfgContainer [2024-11-14 04:51:57,637 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 04:51:57,637 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 04:51:57,637 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 04:51:57,638 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 04:51:57,638 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:51:55" (3/4) ... [2024-11-14 04:51:57,641 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-14 04:51:57,646 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2024-11-14 04:51:57,646 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2024-11-14 04:51:57,646 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~TO~VOID [2024-11-14 04:51:57,651 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2024-11-14 04:51:57,651 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-14 04:51:57,651 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-14 04:51:57,651 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-14 04:51:57,759 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8e19b35-8192-4371-a702-67e40dbdf565/bin/utaipan-verify-sOmjnqqW8E/witness.graphml [2024-11-14 04:51:57,760 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8e19b35-8192-4371-a702-67e40dbdf565/bin/utaipan-verify-sOmjnqqW8E/witness.yml [2024-11-14 04:51:57,760 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 04:51:57,762 INFO L158 Benchmark]: Toolchain (without parser) took 4565.70ms. Allocated memory is still 142.6MB. Free memory was 116.0MB in the beginning and 106.4MB in the end (delta: 9.6MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2024-11-14 04:51:57,763 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 142.6MB. Free memory is still 79.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:51:57,763 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1345.81ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 55.7MB in the end (delta: 60.0MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-11-14 04:51:57,764 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.85ms. Allocated memory is still 142.6MB. Free memory was 55.5MB in the beginning and 53.1MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 04:51:57,765 INFO L158 Benchmark]: Boogie Preprocessor took 25.39ms. Allocated memory is still 142.6MB. Free memory was 52.9MB in the beginning and 51.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:51:57,765 INFO L158 Benchmark]: RCFGBuilder took 565.15ms. Allocated memory is still 142.6MB. Free memory was 51.7MB in the beginning and 103.7MB in the end (delta: -52.0MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2024-11-14 04:51:57,766 INFO L158 Benchmark]: TraceAbstraction took 2445.65ms. Allocated memory is still 142.6MB. Free memory was 103.7MB in the beginning and 111.7MB in the end (delta: -8.0MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2024-11-14 04:51:57,766 INFO L158 Benchmark]: Witness Printer took 122.70ms. Allocated memory is still 142.6MB. Free memory was 111.7MB in the beginning and 106.4MB in the end (delta: 5.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:51:57,769 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46ms. Allocated memory is still 142.6MB. Free memory is still 79.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1345.81ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 55.7MB in the end (delta: 60.0MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.85ms. Allocated memory is still 142.6MB. Free memory was 55.5MB in the beginning and 53.1MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.39ms. Allocated memory is still 142.6MB. Free memory was 52.9MB in the beginning and 51.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 565.15ms. Allocated memory is still 142.6MB. Free memory was 51.7MB in the beginning and 103.7MB in the end (delta: -52.0MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. * TraceAbstraction took 2445.65ms. Allocated memory is still 142.6MB. Free memory was 103.7MB in the beginning and 111.7MB in the end (delta: -8.0MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. * Witness Printer took 122.70ms. Allocated memory is still 142.6MB. Free memory was 111.7MB in the beginning and 106.4MB in the end (delta: 5.3MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISupper - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISlower - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISalpha - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISdigit - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISxdigit - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISspace - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISprint - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISgraph - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISblank - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_IScntrl - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISpunct - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISalnum - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwupper - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwlower - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwalpha - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwdigit - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwxdigit - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwspace - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwprint - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwgraph - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwblank - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwcntrl - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwpunct - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwalnum - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwupper - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwlower - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwalpha - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwdigit - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwxdigit - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwspace - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwprint - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwgraph - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwblank - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwcntrl - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwpunct - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwalnum - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISupper - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISlower - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISalpha - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISdigit - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISxdigit - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISspace - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISprint - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISgraph - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISblank - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_IScntrl - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISpunct - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISalnum - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwupper - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwlower - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwalpha - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwdigit - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwxdigit - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwspace - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwprint - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwgraph - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwblank - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwcntrl - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwpunct - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwalnum - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwupper - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwlower - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwalpha - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwdigit - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwxdigit - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwspace - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwprint - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwgraph - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwblank - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwcntrl - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwpunct - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwalnum * 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: 1603]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1603]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1593]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1593]: 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 4 procedures, 41 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 7, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 44 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 35 mSDsluCounter, 633 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 403 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 191 IncrementalHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 230 mSDtfsCounter, 191 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=46occurred in iteration=1, InterpolantAutomatonStates: 29, 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, 7 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 110 NumberOfCodeBlocks, 110 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 103 ConstructedInterpolants, 0 QuantifiedInterpolants, 201 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 9/9 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - ProcedureContractResult [Line: 1412]: Procedure Contract for printLine Derived contract for procedure printLine. Ensures: (((((((((((((((((stdin == \old(stdin)) && (stdout == \old(stdout))) && (stderr == \old(stderr))) && (__tzname == \old(__tzname))) && (__daylight == \old(__daylight))) && (__timezone == \old(__timezone))) && (tzname == \old(tzname))) && (daylight == \old(daylight))) && (timezone == \old(timezone))) && (GLOBAL_CONST_TRUE == \old(GLOBAL_CONST_TRUE))) && (GLOBAL_CONST_FALSE == \old(GLOBAL_CONST_FALSE))) && (GLOBAL_CONST_FIVE == \old(GLOBAL_CONST_FIVE))) && (globalTrue == \old(globalTrue))) && (globalFalse == \old(globalFalse))) && (globalFive == \old(globalFive))) && (globalArgc == \old(globalArgc))) && (globalArgv == \old(globalArgv))) - ProcedureContractResult [Line: 1426]: Procedure Contract for printIntLine Derived contract for procedure printIntLine. Ensures: (((((((((((((((((stdin == \old(stdin)) && (stdout == \old(stdout))) && (stderr == \old(stderr))) && (__tzname == \old(__tzname))) && (__daylight == \old(__daylight))) && (__timezone == \old(__timezone))) && (tzname == \old(tzname))) && (daylight == \old(daylight))) && (timezone == \old(timezone))) && (GLOBAL_CONST_TRUE == \old(GLOBAL_CONST_TRUE))) && (GLOBAL_CONST_FALSE == \old(GLOBAL_CONST_FALSE))) && (GLOBAL_CONST_FIVE == \old(GLOBAL_CONST_FIVE))) && (globalTrue == \old(globalTrue))) && (globalFalse == \old(globalFalse))) && (globalFive == \old(globalFive))) && (globalArgc == \old(globalArgc))) && (globalArgv == \old(globalArgv))) RESULT: Ultimate proved your program to be correct! [2024-11-14 04:51:57,817 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8e19b35-8192-4371-a702-67e40dbdf565/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE