./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/byte_add_1-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector/byte_add_1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash db53fe9124e215e75c7f288cadf12df33daef67c04c75ea6ca77bc804670a99c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:35:12,488 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:35:12,601 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-32bit-Taipan_Default.epf [2024-11-09 05:35:12,608 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:35:12,612 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:35:12,656 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:35:12,657 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:35:12,658 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:35:12,659 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:35:12,661 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:35:12,661 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:35:12,662 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:35:12,662 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:35:12,663 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 05:35:12,663 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:35:12,666 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:35:12,666 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 05:35:12,666 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 05:35:12,667 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:35:12,667 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 05:35:12,668 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 05:35:12,671 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 05:35:12,672 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:35:12,672 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:35:12,673 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 05:35:12,673 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 05:35:12,673 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 05:35:12,673 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:35:12,674 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:35:12,674 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:35:12,676 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:35:12,676 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:35:12,677 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 05:35:12,677 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 05:35:12,678 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 05:35:12,678 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:35:12,678 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:35:12,679 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:35:12,679 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:35:12,680 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:35:12,680 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:35:12,680 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:35:12,680 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:35:12,681 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:35:12,681 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 05:35:12,682 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 05:35:12,682 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:35:12,682 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:35:12,682 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 05:35:12,682 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db53fe9124e215e75c7f288cadf12df33daef67c04c75ea6ca77bc804670a99c [2024-11-09 05:35:13,039 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:35:13,076 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:35:13,080 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:35:13,082 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:35:13,082 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:35:13,084 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/bitvector/byte_add_1-2.i Unable to find full path for "g++" [2024-11-09 05:35:15,627 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:35:15,911 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:35:15,911 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/sv-benchmarks/c/bitvector/byte_add_1-2.i [2024-11-09 05:35:15,930 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/data/8ee44379a/cfd1212699904bf192950fc2a19fb5cb/FLAG1e59e1d94 [2024-11-09 05:35:16,225 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/data/8ee44379a/cfd1212699904bf192950fc2a19fb5cb [2024-11-09 05:35:16,228 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:35:16,230 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:35:16,232 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:35:16,232 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:35:16,238 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:35:16,239 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:35:16" (1/1) ... [2024-11-09 05:35:16,241 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@568344df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:35:16, skipping insertion in model container [2024-11-09 05:35:16,241 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:35:16" (1/1) ... [2024-11-09 05:35:16,285 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:35:16,582 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:35:16,595 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:35:16,652 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:35:16,682 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:35:16,682 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:35:16 WrapperNode [2024-11-09 05:35:16,682 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:35:16,683 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:35:16,683 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:35:16,683 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:35:16,689 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:35:16" (1/1) ... [2024-11-09 05:35:16,697 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:35:16" (1/1) ... [2024-11-09 05:35:16,778 INFO L138 Inliner]: procedures = 16, calls = 9, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 188 [2024-11-09 05:35:16,779 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:35:16,784 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:35:16,784 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:35:16,784 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:35:16,797 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:35:16" (1/1) ... [2024-11-09 05:35:16,798 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:35:16" (1/1) ... [2024-11-09 05:35:16,805 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:35:16" (1/1) ... [2024-11-09 05:35:16,805 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:35:16" (1/1) ... [2024-11-09 05:35:16,821 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:35:16" (1/1) ... [2024-11-09 05:35:16,827 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:35:16" (1/1) ... [2024-11-09 05:35:16,835 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:35:16" (1/1) ... [2024-11-09 05:35:16,838 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:35:16" (1/1) ... [2024-11-09 05:35:16,845 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:35:16,846 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:35:16,846 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:35:16,847 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:35:16,848 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:35:16" (1/1) ... [2024-11-09 05:35:16,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:35:16,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:35:16,904 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:35:16,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:35:16,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:35:16,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 05:35:16,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:35:16,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:35:17,065 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:35:17,070 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:35:17,801 INFO L? ?]: Removed 42 outVars from TransFormulas that were not future-live. [2024-11-09 05:35:17,802 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:35:18,076 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:35:18,077 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 05:35:18,077 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:35:18 BoogieIcfgContainer [2024-11-09 05:35:18,078 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:35:18,081 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:35:18,082 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:35:18,086 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:35:18,087 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:35:16" (1/3) ... [2024-11-09 05:35:18,088 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71ff754e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:35:18, skipping insertion in model container [2024-11-09 05:35:18,089 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:35:16" (2/3) ... [2024-11-09 05:35:18,089 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71ff754e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:35:18, skipping insertion in model container [2024-11-09 05:35:18,089 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:35:18" (3/3) ... [2024-11-09 05:35:18,091 INFO L112 eAbstractionObserver]: Analyzing ICFG byte_add_1-2.i [2024-11-09 05:35:18,115 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:35:18,115 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 41 error locations. [2024-11-09 05:35:18,199 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:35:18,208 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;@2928e37a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:35:18,208 INFO L334 AbstractCegarLoop]: Starting to check reachability of 41 error locations. [2024-11-09 05:35:18,214 INFO L276 IsEmpty]: Start isEmpty. Operand has 107 states, 65 states have (on average 1.9384615384615385) internal successors, (126), 106 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:35:18,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-09 05:35:18,222 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:35:18,223 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-11-09 05:35:18,224 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-09 05:35:18,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:35:18,231 INFO L85 PathProgramCache]: Analyzing trace with hash 340355, now seen corresponding path program 1 times [2024-11-09 05:35:18,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:35:18,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530306451] [2024-11-09 05:35:18,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:35:18,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:35:18,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:35:18,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:35:18,425 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:35:18,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530306451] [2024-11-09 05:35:18,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1530306451] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:35:18,427 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:35:18,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-09 05:35:18,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105123420] [2024-11-09 05:35:18,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:35:18,436 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 05:35:18,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:35:18,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 05:35:18,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 05:35:18,476 INFO L87 Difference]: Start difference. First operand has 107 states, 65 states have (on average 1.9384615384615385) internal successors, (126), 106 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:35:18,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:35:18,548 INFO L93 Difference]: Finished difference Result 107 states and 126 transitions. [2024-11-09 05:35:18,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 05:35:18,551 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2024-11-09 05:35:18,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:35:18,568 INFO L225 Difference]: With dead ends: 107 [2024-11-09 05:35:18,568 INFO L226 Difference]: Without dead ends: 66 [2024-11-09 05:35:18,573 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 05:35:18,578 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:35:18,582 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 80 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 05:35:18,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2024-11-09 05:35:18,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2024-11-09 05:35:18,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 65 states have (on average 1.3076923076923077) internal successors, (85), 65 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:35:18,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 85 transitions. [2024-11-09 05:35:18,642 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 85 transitions. Word has length 3 [2024-11-09 05:35:18,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:35:18,643 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 85 transitions. [2024-11-09 05:35:18,643 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:35:18,644 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 85 transitions. [2024-11-09 05:35:18,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-09 05:35:18,645 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:35:18,649 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:35:18,650 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 05:35:18,650 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-09 05:35:18,651 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:35:18,651 INFO L85 PathProgramCache]: Analyzing trace with hash 1683446157, now seen corresponding path program 1 times [2024-11-09 05:35:18,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:35:18,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512557565] [2024-11-09 05:35:18,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:35:18,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:35:18,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:35:18,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:35:18,983 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:35:18,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512557565] [2024-11-09 05:35:18,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512557565] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:35:18,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:35:18,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:35:18,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024250403] [2024-11-09 05:35:18,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:35:18,987 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:35:18,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:35:18,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:35:18,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:35:18,989 INFO L87 Difference]: Start difference. First operand 66 states and 85 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:35:19,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:35:19,156 INFO L93 Difference]: Finished difference Result 134 states and 180 transitions. [2024-11-09 05:35:19,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:35:19,157 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2024-11-09 05:35:19,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:35:19,159 INFO L225 Difference]: With dead ends: 134 [2024-11-09 05:35:19,159 INFO L226 Difference]: Without dead ends: 89 [2024-11-09 05:35:19,160 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:35:19,162 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 24 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:35:19,162 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 111 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:35:19,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-11-09 05:35:19,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 84. [2024-11-09 05:35:19,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 83 states have (on average 1.2891566265060241) internal successors, (107), 83 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:35:19,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 107 transitions. [2024-11-09 05:35:19,181 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 107 transitions. Word has length 16 [2024-11-09 05:35:19,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:35:19,182 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 107 transitions. [2024-11-09 05:35:19,184 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:35:19,184 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 107 transitions. [2024-11-09 05:35:19,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-09 05:35:19,189 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:35:19,190 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:35:19,190 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 05:35:19,190 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-09 05:35:19,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:35:19,191 INFO L85 PathProgramCache]: Analyzing trace with hash -286767176, now seen corresponding path program 1 times [2024-11-09 05:35:19,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:35:19,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360522061] [2024-11-09 05:35:19,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:35:19,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:35:19,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:35:19,662 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:35:19,663 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:35:19,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360522061] [2024-11-09 05:35:19,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360522061] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:35:19,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [954306812] [2024-11-09 05:35:19,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:35:19,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:35:19,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:35:19,671 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:35:19,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 05:35:19,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:35:19,789 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 05:35:19,797 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:35:19,873 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:35:19,873 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:35:20,213 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:35:20,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [954306812] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-09 05:35:20,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-09 05:35:20,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4, 4] total 9 [2024-11-09 05:35:20,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836692483] [2024-11-09 05:35:20,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:35:20,220 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 05:35:20,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:35:20,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 05:35:20,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-09 05:35:20,243 INFO L87 Difference]: Start difference. First operand 84 states and 107 transitions. Second operand has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:35:20,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:35:20,726 INFO L93 Difference]: Finished difference Result 128 states and 169 transitions. [2024-11-09 05:35:20,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 05:35:20,727 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2024-11-09 05:35:20,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:35:20,729 INFO L225 Difference]: With dead ends: 128 [2024-11-09 05:35:20,731 INFO L226 Difference]: Without dead ends: 112 [2024-11-09 05:35:20,732 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2024-11-09 05:35:20,733 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 137 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 229 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:35:20,734 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 229 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 05:35:20,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2024-11-09 05:35:20,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 79. [2024-11-09 05:35:20,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 78 states have (on average 1.2564102564102564) internal successors, (98), 78 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:35:20,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 98 transitions. [2024-11-09 05:35:20,755 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 98 transitions. Word has length 20 [2024-11-09 05:35:20,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:35:20,756 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 98 transitions. [2024-11-09 05:35:20,756 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:35:20,757 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 98 transitions. [2024-11-09 05:35:20,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 05:35:20,758 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:35:20,758 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:35:20,787 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-09 05:35:20,958 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:35:20,959 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-09 05:35:20,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:35:20,960 INFO L85 PathProgramCache]: Analyzing trace with hash 2049288384, now seen corresponding path program 1 times [2024-11-09 05:35:20,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:35:20,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001952068] [2024-11-09 05:35:20,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:35:20,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:35:20,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:35:21,279 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:35:21,279 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:35:21,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001952068] [2024-11-09 05:35:21,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001952068] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:35:21,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:35:21,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 05:35:21,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140623807] [2024-11-09 05:35:21,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:35:21,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 05:35:21,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:35:21,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 05:35:21,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-09 05:35:21,286 INFO L87 Difference]: Start difference. First operand 79 states and 98 transitions. Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:35:21,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:35:21,484 INFO L93 Difference]: Finished difference Result 129 states and 161 transitions. [2024-11-09 05:35:21,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 05:35:21,485 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2024-11-09 05:35:21,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:35:21,486 INFO L225 Difference]: With dead ends: 129 [2024-11-09 05:35:21,490 INFO L226 Difference]: Without dead ends: 87 [2024-11-09 05:35:21,491 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-09 05:35:21,492 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 99 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:35:21,493 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 150 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 05:35:21,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2024-11-09 05:35:21,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 80. [2024-11-09 05:35:21,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 79 states have (on average 1.2531645569620253) internal successors, (99), 79 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:35:21,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 99 transitions. [2024-11-09 05:35:21,511 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 99 transitions. Word has length 23 [2024-11-09 05:35:21,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:35:21,511 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 99 transitions. [2024-11-09 05:35:21,512 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:35:21,512 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 99 transitions. [2024-11-09 05:35:21,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 05:35:21,513 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:35:21,513 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:35:21,513 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 05:35:21,514 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-09 05:35:21,514 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:35:21,514 INFO L85 PathProgramCache]: Analyzing trace with hash 646944654, now seen corresponding path program 1 times [2024-11-09 05:35:21,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:35:21,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744212160] [2024-11-09 05:35:21,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:35:21,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:35:21,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:35:21,798 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:35:21,798 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:35:21,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744212160] [2024-11-09 05:35:21,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [744212160] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:35:21,799 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:35:21,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:35:21,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538254821] [2024-11-09 05:35:21,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:35:21,801 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:35:21,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:35:21,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:35:21,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:35:21,804 INFO L87 Difference]: Start difference. First operand 80 states and 99 transitions. Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:35:21,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:35:21,975 INFO L93 Difference]: Finished difference Result 190 states and 237 transitions. [2024-11-09 05:35:21,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:35:21,977 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2024-11-09 05:35:21,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:35:21,978 INFO L225 Difference]: With dead ends: 190 [2024-11-09 05:35:21,978 INFO L226 Difference]: Without dead ends: 141 [2024-11-09 05:35:21,979 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:35:21,980 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 92 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:35:21,980 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 181 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:35:21,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2024-11-09 05:35:21,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 94. [2024-11-09 05:35:22,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 93 states have (on average 1.2473118279569892) internal successors, (116), 93 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:35:22,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 116 transitions. [2024-11-09 05:35:22,004 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 116 transitions. Word has length 29 [2024-11-09 05:35:22,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:35:22,005 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 116 transitions. [2024-11-09 05:35:22,005 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:35:22,006 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 116 transitions. [2024-11-09 05:35:22,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 05:35:22,009 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:35:22,010 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:35:22,010 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 05:35:22,010 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-09 05:35:22,010 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:35:22,011 INFO L85 PathProgramCache]: Analyzing trace with hash -1348476302, now seen corresponding path program 1 times [2024-11-09 05:35:22,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:35:22,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803021731] [2024-11-09 05:35:22,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:35:22,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:35:22,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:35:22,177 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:35:22,180 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:35:22,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803021731] [2024-11-09 05:35:22,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803021731] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:35:22,181 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:35:22,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 05:35:22,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952102175] [2024-11-09 05:35:22,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:35:22,182 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:35:22,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:35:22,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:35:22,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:35:22,189 INFO L87 Difference]: Start difference. First operand 94 states and 116 transitions. Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:35:22,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:35:22,411 INFO L93 Difference]: Finished difference Result 182 states and 243 transitions. [2024-11-09 05:35:22,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 05:35:22,412 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2024-11-09 05:35:22,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:35:22,413 INFO L225 Difference]: With dead ends: 182 [2024-11-09 05:35:22,413 INFO L226 Difference]: Without dead ends: 139 [2024-11-09 05:35:22,413 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:35:22,415 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 62 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:35:22,415 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 150 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 05:35:22,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2024-11-09 05:35:22,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 109. [2024-11-09 05:35:22,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 108 states have (on average 1.2685185185185186) internal successors, (137), 108 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:35:22,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 137 transitions. [2024-11-09 05:35:22,425 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 137 transitions. Word has length 29 [2024-11-09 05:35:22,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:35:22,425 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 137 transitions. [2024-11-09 05:35:22,425 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:35:22,425 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 137 transitions. [2024-11-09 05:35:22,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 05:35:22,426 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:35:22,427 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:35:22,427 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 05:35:22,427 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-09 05:35:22,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:35:22,428 INFO L85 PathProgramCache]: Analyzing trace with hash -98483141, now seen corresponding path program 1 times [2024-11-09 05:35:22,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:35:22,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675951603] [2024-11-09 05:35:22,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:35:22,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:35:22,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:35:22,664 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 05:35:22,664 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:35:22,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675951603] [2024-11-09 05:35:22,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [675951603] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:35:22,665 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:35:22,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 05:35:22,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20550164] [2024-11-09 05:35:22,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:35:22,666 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:35:22,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:35:22,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:35:22,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:35:22,668 INFO L87 Difference]: Start difference. First operand 109 states and 137 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:35:22,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:35:22,855 INFO L93 Difference]: Finished difference Result 255 states and 322 transitions. [2024-11-09 05:35:22,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:35:22,855 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2024-11-09 05:35:22,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:35:22,857 INFO L225 Difference]: With dead ends: 255 [2024-11-09 05:35:22,857 INFO L226 Difference]: Without dead ends: 186 [2024-11-09 05:35:22,858 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:35:22,859 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 48 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:35:22,859 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 168 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 05:35:22,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2024-11-09 05:35:22,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 179. [2024-11-09 05:35:22,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 178 states have (on average 1.2752808988764044) internal successors, (227), 178 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:35:22,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 227 transitions. [2024-11-09 05:35:22,885 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 227 transitions. Word has length 36 [2024-11-09 05:35:22,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:35:22,885 INFO L471 AbstractCegarLoop]: Abstraction has 179 states and 227 transitions. [2024-11-09 05:35:22,885 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:35:22,885 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 227 transitions. [2024-11-09 05:35:22,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-09 05:35:22,887 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:35:22,887 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:35:22,887 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 05:35:22,887 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-09 05:35:22,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:35:22,888 INFO L85 PathProgramCache]: Analyzing trace with hash -1082564647, now seen corresponding path program 1 times [2024-11-09 05:35:22,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:35:22,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532892986] [2024-11-09 05:35:22,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:35:22,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:35:22,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:35:23,124 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:35:23,124 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:35:23,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532892986] [2024-11-09 05:35:23,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1532892986] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:35:23,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [265924597] [2024-11-09 05:35:23,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:35:23,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:35:23,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:35:23,127 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:35:23,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 05:35:23,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:35:23,252 INFO L255 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 05:35:23,255 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:35:23,473 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:35:23,473 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:35:23,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [265924597] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:35:23,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 05:35:23,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2024-11-09 05:35:23,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398654186] [2024-11-09 05:35:23,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:35:23,475 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 05:35:23,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:35:23,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 05:35:23,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-09 05:35:23,476 INFO L87 Difference]: Start difference. First operand 179 states and 227 transitions. Second operand has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:35:23,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:35:23,712 INFO L93 Difference]: Finished difference Result 262 states and 335 transitions. [2024-11-09 05:35:23,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 05:35:23,712 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2024-11-09 05:35:23,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:35:23,714 INFO L225 Difference]: With dead ends: 262 [2024-11-09 05:35:23,714 INFO L226 Difference]: Without dead ends: 190 [2024-11-09 05:35:23,714 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-09 05:35:23,715 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 124 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:35:23,718 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 203 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 05:35:23,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2024-11-09 05:35:23,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 187. [2024-11-09 05:35:23,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 186 states have (on average 1.2580645161290323) internal successors, (234), 186 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:35:23,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 234 transitions. [2024-11-09 05:35:23,744 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 234 transitions. Word has length 39 [2024-11-09 05:35:23,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:35:23,744 INFO L471 AbstractCegarLoop]: Abstraction has 187 states and 234 transitions. [2024-11-09 05:35:23,744 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:35:23,744 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 234 transitions. [2024-11-09 05:35:23,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-09 05:35:23,749 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:35:23,749 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:35:23,783 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-09 05:35:23,950 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:35:23,950 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-09 05:35:23,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:35:23,951 INFO L85 PathProgramCache]: Analyzing trace with hash -623458278, now seen corresponding path program 1 times [2024-11-09 05:35:23,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:35:23,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836976991] [2024-11-09 05:35:23,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:35:23,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:35:23,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:35:24,350 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:35:24,351 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:35:24,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836976991] [2024-11-09 05:35:24,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [836976991] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:35:24,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1249846639] [2024-11-09 05:35:24,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:35:24,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:35:24,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:35:24,355 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:35:24,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 05:35:24,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:35:24,489 INFO L255 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 05:35:24,491 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:35:24,669 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:35:24,669 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:35:24,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1249846639] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:35:24,670 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 05:35:24,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2024-11-09 05:35:24,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650921447] [2024-11-09 05:35:24,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:35:24,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 05:35:24,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:35:24,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 05:35:24,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-11-09 05:35:24,674 INFO L87 Difference]: Start difference. First operand 187 states and 234 transitions. Second operand has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:35:24,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:35:24,951 INFO L93 Difference]: Finished difference Result 476 states and 609 transitions. [2024-11-09 05:35:24,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 05:35:24,952 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2024-11-09 05:35:24,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:35:24,954 INFO L225 Difference]: With dead ends: 476 [2024-11-09 05:35:24,954 INFO L226 Difference]: Without dead ends: 338 [2024-11-09 05:35:24,954 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-11-09 05:35:24,955 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 90 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:35:24,957 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 268 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 05:35:24,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2024-11-09 05:35:24,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 322. [2024-11-09 05:35:24,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 322 states, 321 states have (on average 1.2429906542056075) internal successors, (399), 321 states have internal predecessors, (399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:35:24,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 399 transitions. [2024-11-09 05:35:24,977 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 399 transitions. Word has length 39 [2024-11-09 05:35:24,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:35:24,977 INFO L471 AbstractCegarLoop]: Abstraction has 322 states and 399 transitions. [2024-11-09 05:35:24,977 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:35:24,977 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 399 transitions. [2024-11-09 05:35:24,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-09 05:35:24,979 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:35:24,980 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:35:25,008 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-09 05:35:25,183 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:35:25,184 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-09 05:35:25,184 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:35:25,184 INFO L85 PathProgramCache]: Analyzing trace with hash 1862480132, now seen corresponding path program 1 times [2024-11-09 05:35:25,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:35:25,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177668426] [2024-11-09 05:35:25,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:35:25,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:35:25,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:35:25,438 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:35:25,438 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:35:25,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177668426] [2024-11-09 05:35:25,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177668426] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:35:25,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [952453475] [2024-11-09 05:35:25,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:35:25,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:35:25,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:35:25,442 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:35:25,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 05:35:25,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:35:25,540 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 05:35:25,542 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:35:25,686 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 05:35:25,686 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:35:25,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [952453475] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:35:25,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 05:35:25,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 10 [2024-11-09 05:35:25,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641952281] [2024-11-09 05:35:25,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:35:25,688 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 05:35:25,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:35:25,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 05:35:25,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-09 05:35:25,690 INFO L87 Difference]: Start difference. First operand 322 states and 399 transitions. Second operand has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 6 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:35:26,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:35:26,041 INFO L93 Difference]: Finished difference Result 611 states and 770 transitions. [2024-11-09 05:35:26,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 05:35:26,042 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 6 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 42 [2024-11-09 05:35:26,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:35:26,046 INFO L225 Difference]: With dead ends: 611 [2024-11-09 05:35:26,046 INFO L226 Difference]: Without dead ends: 541 [2024-11-09 05:35:26,048 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-11-09 05:35:26,049 INFO L432 NwaCegarLoop]: 160 mSDtfsCounter, 198 mSDsluCounter, 546 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 706 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:35:26,050 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 706 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 05:35:26,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 541 states. [2024-11-09 05:35:26,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 541 to 391. [2024-11-09 05:35:26,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 391 states, 390 states have (on average 1.2538461538461538) internal successors, (489), 390 states have internal predecessors, (489), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:35:26,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 489 transitions. [2024-11-09 05:35:26,082 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 489 transitions. Word has length 42 [2024-11-09 05:35:26,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:35:26,083 INFO L471 AbstractCegarLoop]: Abstraction has 391 states and 489 transitions. [2024-11-09 05:35:26,083 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 6 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:35:26,083 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 489 transitions. [2024-11-09 05:35:26,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-09 05:35:26,085 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:35:26,085 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:35:26,111 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-09 05:35:26,289 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-09 05:35:26,290 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-09 05:35:26,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:35:26,291 INFO L85 PathProgramCache]: Analyzing trace with hash 796368288, now seen corresponding path program 1 times [2024-11-09 05:35:26,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:35:26,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086848953] [2024-11-09 05:35:26,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:35:26,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:35:26,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:35:26,863 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 05:35:26,864 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:35:26,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086848953] [2024-11-09 05:35:26,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1086848953] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:35:26,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1780253362] [2024-11-09 05:35:26,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:35:26,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:35:26,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:35:26,868 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:35:26,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 05:35:27,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:35:27,026 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-09 05:35:27,029 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:35:27,248 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 05:35:27,248 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:35:27,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1780253362] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:35:27,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 05:35:27,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 10 [2024-11-09 05:35:27,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055871795] [2024-11-09 05:35:27,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:35:27,252 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 05:35:27,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:35:27,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 05:35:27,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-11-09 05:35:27,254 INFO L87 Difference]: Start difference. First operand 391 states and 489 transitions. Second operand has 8 states, 8 states have (on average 5.25) internal successors, (42), 8 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:35:27,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:35:27,570 INFO L93 Difference]: Finished difference Result 1034 states and 1311 transitions. [2024-11-09 05:35:27,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 05:35:27,571 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.25) internal successors, (42), 8 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 42 [2024-11-09 05:35:27,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:35:27,574 INFO L225 Difference]: With dead ends: 1034 [2024-11-09 05:35:27,575 INFO L226 Difference]: Without dead ends: 772 [2024-11-09 05:35:27,575 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 41 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2024-11-09 05:35:27,576 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 191 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:35:27,576 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 161 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 05:35:27,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 772 states. [2024-11-09 05:35:27,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 772 to 658. [2024-11-09 05:35:27,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 658 states, 657 states have (on average 1.295281582952816) internal successors, (851), 657 states have internal predecessors, (851), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:35:27,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 658 states and 851 transitions. [2024-11-09 05:35:27,607 INFO L78 Accepts]: Start accepts. Automaton has 658 states and 851 transitions. Word has length 42 [2024-11-09 05:35:27,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:35:27,608 INFO L471 AbstractCegarLoop]: Abstraction has 658 states and 851 transitions. [2024-11-09 05:35:27,609 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.25) internal successors, (42), 8 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:35:27,609 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 851 transitions. [2024-11-09 05:35:27,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-09 05:35:27,611 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:35:27,611 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:35:27,637 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-09 05:35:27,812 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-09 05:35:27,812 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-09 05:35:27,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:35:27,813 INFO L85 PathProgramCache]: Analyzing trace with hash -1963823846, now seen corresponding path program 1 times [2024-11-09 05:35:27,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:35:27,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874050853] [2024-11-09 05:35:27,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:35:27,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:35:27,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:35:28,011 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:35:28,011 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:35:28,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874050853] [2024-11-09 05:35:28,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [874050853] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:35:28,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1525012111] [2024-11-09 05:35:28,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:35:28,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:35:28,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:35:28,014 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:35:28,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-09 05:35:28,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:35:28,108 INFO L255 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 05:35:28,110 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:35:28,166 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 05:35:28,167 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:35:28,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1525012111] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:35:28,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 05:35:28,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 6 [2024-11-09 05:35:28,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370516089] [2024-11-09 05:35:28,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:35:28,169 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:35:28,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:35:28,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:35:28,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-09 05:35:28,170 INFO L87 Difference]: Start difference. First operand 658 states and 851 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:35:28,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:35:28,387 INFO L93 Difference]: Finished difference Result 1528 states and 2069 transitions. [2024-11-09 05:35:28,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:35:28,388 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2024-11-09 05:35:28,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:35:28,392 INFO L225 Difference]: With dead ends: 1528 [2024-11-09 05:35:28,392 INFO L226 Difference]: Without dead ends: 932 [2024-11-09 05:35:28,394 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 48 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-09 05:35:28,394 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 27 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:35:28,395 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 171 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 05:35:28,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 932 states. [2024-11-09 05:35:28,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 932 to 810. [2024-11-09 05:35:28,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 810 states, 809 states have (on average 1.2373300370828182) internal successors, (1001), 809 states have internal predecessors, (1001), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:35:28,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 810 states to 810 states and 1001 transitions. [2024-11-09 05:35:28,438 INFO L78 Accepts]: Start accepts. Automaton has 810 states and 1001 transitions. Word has length 48 [2024-11-09 05:35:28,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:35:28,439 INFO L471 AbstractCegarLoop]: Abstraction has 810 states and 1001 transitions. [2024-11-09 05:35:28,439 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:35:28,439 INFO L276 IsEmpty]: Start isEmpty. Operand 810 states and 1001 transitions. [2024-11-09 05:35:28,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-09 05:35:28,442 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:35:28,442 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:35:28,467 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-09 05:35:28,645 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-09 05:35:28,646 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-09 05:35:28,647 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:35:28,647 INFO L85 PathProgramCache]: Analyzing trace with hash -288200494, now seen corresponding path program 1 times [2024-11-09 05:35:28,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:35:28,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818138079] [2024-11-09 05:35:28,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:35:28,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:35:28,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:35:28,929 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:35:28,929 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:35:28,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818138079] [2024-11-09 05:35:28,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [818138079] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:35:28,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [519732948] [2024-11-09 05:35:28,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:35:28,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:35:28,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:35:28,932 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:35:28,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-09 05:35:29,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:35:29,098 INFO L255 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-09 05:35:29,104 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:35:29,746 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:35:29,747 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:35:31,791 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:35:31,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [519732948] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:35:31,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [778237391] [2024-11-09 05:35:31,819 INFO L159 IcfgInterpreter]: Started Sifa with 41 locations of interest [2024-11-09 05:35:31,819 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:35:31,824 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:35:31,831 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:35:31,831 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:35:31,952 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:35:32,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [778237391] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:35:32,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:35:32,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5, 14, 13] total 30 [2024-11-09 05:35:32,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513850015] [2024-11-09 05:35:32,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:35:32,121 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:35:32,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:35:32,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:35:32,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=252, Invalid=618, Unknown=0, NotChecked=0, Total=870 [2024-11-09 05:35:32,124 INFO L87 Difference]: Start difference. First operand 810 states and 1001 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 2 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:35:32,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:35:32,237 INFO L93 Difference]: Finished difference Result 821 states and 1011 transitions. [2024-11-09 05:35:32,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:35:32,239 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 2 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2024-11-09 05:35:32,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:35:32,241 INFO L225 Difference]: With dead ends: 821 [2024-11-09 05:35:32,242 INFO L226 Difference]: Without dead ends: 305 [2024-11-09 05:35:32,243 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 400 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=252, Invalid=618, Unknown=0, NotChecked=0, Total=870 [2024-11-09 05:35:32,244 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 56 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:35:32,246 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 52 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:35:32,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2024-11-09 05:35:32,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 305. [2024-11-09 05:35:32,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 304 states have (on average 1.1875) internal successors, (361), 304 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:35:32,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 361 transitions. [2024-11-09 05:35:32,272 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 361 transitions. Word has length 48 [2024-11-09 05:35:32,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:35:32,272 INFO L471 AbstractCegarLoop]: Abstraction has 305 states and 361 transitions. [2024-11-09 05:35:32,273 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 2 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:35:32,273 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 361 transitions. [2024-11-09 05:35:32,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-09 05:35:32,274 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:35:32,275 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:35:32,300 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-09 05:35:32,475 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-09 05:35:32,476 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-09 05:35:32,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:35:32,476 INFO L85 PathProgramCache]: Analyzing trace with hash -138567093, now seen corresponding path program 1 times [2024-11-09 05:35:32,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:35:32,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957409579] [2024-11-09 05:35:32,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:35:32,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:35:32,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:35:32,776 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:35:32,776 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:35:32,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957409579] [2024-11-09 05:35:32,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [957409579] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:35:32,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [368322968] [2024-11-09 05:35:32,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:35:32,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:35:32,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:35:32,780 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:35:32,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-09 05:35:32,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:35:32,912 INFO L255 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 05:35:32,914 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:35:32,972 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-11-09 05:35:32,972 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:35:32,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [368322968] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:35:32,973 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 05:35:32,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 7 [2024-11-09 05:35:32,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962516221] [2024-11-09 05:35:32,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:35:32,973 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:35:32,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:35:32,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:35:32,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-09 05:35:32,975 INFO L87 Difference]: Start difference. First operand 305 states and 361 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:35:33,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:35:33,177 INFO L93 Difference]: Finished difference Result 684 states and 848 transitions. [2024-11-09 05:35:33,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:35:33,178 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2024-11-09 05:35:33,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:35:33,181 INFO L225 Difference]: With dead ends: 684 [2024-11-09 05:35:33,181 INFO L226 Difference]: Without dead ends: 400 [2024-11-09 05:35:33,182 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 58 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-09 05:35:33,182 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 28 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:35:33,183 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 135 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 05:35:33,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states. [2024-11-09 05:35:33,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 345. [2024-11-09 05:35:33,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 345 states, 344 states have (on average 1.180232558139535) internal successors, (406), 344 states have internal predecessors, (406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:35:33,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 406 transitions. [2024-11-09 05:35:33,208 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 406 transitions. Word has length 58 [2024-11-09 05:35:33,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:35:33,208 INFO L471 AbstractCegarLoop]: Abstraction has 345 states and 406 transitions. [2024-11-09 05:35:33,209 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:35:33,209 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 406 transitions. [2024-11-09 05:35:33,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-09 05:35:33,210 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:35:33,210 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:35:33,235 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-09 05:35:33,410 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-09 05:35:33,411 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-09 05:35:33,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:35:33,412 INFO L85 PathProgramCache]: Analyzing trace with hash 1558070216, now seen corresponding path program 1 times [2024-11-09 05:35:33,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:35:33,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157737708] [2024-11-09 05:35:33,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:35:33,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:35:33,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:35:33,592 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 24 proven. 15 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-09 05:35:33,592 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:35:33,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157737708] [2024-11-09 05:35:33,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1157737708] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:35:33,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1037655147] [2024-11-09 05:35:33,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:35:33,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:35:33,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:35:33,595 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:35:33,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-09 05:35:33,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:35:33,689 INFO L255 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 05:35:33,694 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:35:33,830 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 24 proven. 9 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-09 05:35:33,833 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:35:34,011 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 24 proven. 9 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-09 05:35:34,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1037655147] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:35:34,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1506374749] [2024-11-09 05:35:34,016 INFO L159 IcfgInterpreter]: Started Sifa with 42 locations of interest [2024-11-09 05:35:34,017 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:35:34,018 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:35:34,019 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:35:34,019 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:35:34,770 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:35:36,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1506374749] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:35:36,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:35:36,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [5, 4, 5] total 16 [2024-11-09 05:35:36,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193125450] [2024-11-09 05:35:36,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:35:36,856 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 05:35:36,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:35:36,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 05:35:36,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2024-11-09 05:35:36,858 INFO L87 Difference]: Start difference. First operand 345 states and 406 transitions. Second operand has 10 states, 10 states have (on average 4.7) internal successors, (47), 9 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:35:37,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:35:37,457 INFO L93 Difference]: Finished difference Result 684 states and 808 transitions. [2024-11-09 05:35:37,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 05:35:37,458 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.7) internal successors, (47), 9 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2024-11-09 05:35:37,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:35:37,461 INFO L225 Difference]: With dead ends: 684 [2024-11-09 05:35:37,461 INFO L226 Difference]: Without dead ends: 467 [2024-11-09 05:35:37,462 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2024-11-09 05:35:37,463 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 214 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 286 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 05:35:37,463 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 259 Invalid, 286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 286 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 05:35:37,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2024-11-09 05:35:37,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 356. [2024-11-09 05:35:37,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 356 states, 355 states have (on average 1.1746478873239437) internal successors, (417), 355 states have internal predecessors, (417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:35:37,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 417 transitions. [2024-11-09 05:35:37,490 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 417 transitions. Word has length 71 [2024-11-09 05:35:37,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:35:37,491 INFO L471 AbstractCegarLoop]: Abstraction has 356 states and 417 transitions. [2024-11-09 05:35:37,491 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.7) internal successors, (47), 9 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:35:37,491 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 417 transitions. [2024-11-09 05:35:37,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-09 05:35:37,493 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:35:37,493 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:35:37,511 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-09 05:35:37,693 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-09 05:35:37,694 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-09 05:35:37,694 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:35:37,694 INFO L85 PathProgramCache]: Analyzing trace with hash 1069292404, now seen corresponding path program 1 times [2024-11-09 05:35:37,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:35:37,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363118115] [2024-11-09 05:35:37,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:35:37,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:35:37,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:35:39,204 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 37 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-09 05:35:39,205 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:35:39,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363118115] [2024-11-09 05:35:39,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363118115] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:35:39,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [808520179] [2024-11-09 05:35:39,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:35:39,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:35:39,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:35:39,212 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:35:39,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-09 05:35:39,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:35:39,358 INFO L255 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 05:35:39,360 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:35:39,610 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-09 05:35:39,610 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:35:39,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [808520179] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:35:39,611 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 05:35:39,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [14] total 19 [2024-11-09 05:35:39,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293992318] [2024-11-09 05:35:39,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:35:39,612 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 05:35:39,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:35:39,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 05:35:39,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=268, Unknown=0, NotChecked=0, Total=342 [2024-11-09 05:35:39,613 INFO L87 Difference]: Start difference. First operand 356 states and 417 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 5 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:35:39,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:35:39,830 INFO L93 Difference]: Finished difference Result 715 states and 847 transitions. [2024-11-09 05:35:39,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 05:35:39,831 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 5 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2024-11-09 05:35:39,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:35:39,833 INFO L225 Difference]: With dead ends: 715 [2024-11-09 05:35:39,834 INFO L226 Difference]: Without dead ends: 392 [2024-11-09 05:35:39,834 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=74, Invalid=268, Unknown=0, NotChecked=0, Total=342 [2024-11-09 05:35:39,835 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 84 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:35:39,836 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 125 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 05:35:39,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2024-11-09 05:35:39,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 350. [2024-11-09 05:35:39,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 350 states, 349 states have (on average 1.166189111747851) internal successors, (407), 349 states have internal predecessors, (407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:35:39,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 407 transitions. [2024-11-09 05:35:39,887 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 407 transitions. Word has length 71 [2024-11-09 05:35:39,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:35:39,887 INFO L471 AbstractCegarLoop]: Abstraction has 350 states and 407 transitions. [2024-11-09 05:35:39,888 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 5 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:35:39,888 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 407 transitions. [2024-11-09 05:35:39,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-09 05:35:39,889 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:35:39,889 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:35:39,915 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-09 05:35:40,090 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-09 05:35:40,091 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-09 05:35:40,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:35:40,091 INFO L85 PathProgramCache]: Analyzing trace with hash -1914029104, now seen corresponding path program 1 times [2024-11-09 05:35:40,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:35:40,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786843369] [2024-11-09 05:35:40,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:35:40,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:35:40,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:35:41,236 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 20 proven. 41 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-09 05:35:41,237 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:35:41,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786843369] [2024-11-09 05:35:41,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [786843369] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:35:41,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1948463119] [2024-11-09 05:35:41,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:35:41,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:35:41,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:35:41,240 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:35:41,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-09 05:35:41,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:35:41,443 INFO L255 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 05:35:41,445 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:35:41,565 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-09 05:35:41,565 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:35:41,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1948463119] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:35:41,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 05:35:41,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 15 [2024-11-09 05:35:41,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051786662] [2024-11-09 05:35:41,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:35:41,567 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 05:35:41,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:35:41,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 05:35:41,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2024-11-09 05:35:41,568 INFO L87 Difference]: Start difference. First operand 350 states and 407 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:35:41,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:35:41,924 INFO L93 Difference]: Finished difference Result 781 states and 917 transitions. [2024-11-09 05:35:41,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 05:35:41,925 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2024-11-09 05:35:41,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:35:41,928 INFO L225 Difference]: With dead ends: 781 [2024-11-09 05:35:41,928 INFO L226 Difference]: Without dead ends: 569 [2024-11-09 05:35:41,929 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2024-11-09 05:35:41,930 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 133 mSDsluCounter, 368 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 503 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:35:41,930 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 503 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 05:35:41,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 569 states. [2024-11-09 05:35:41,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 569 to 459. [2024-11-09 05:35:41,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 459 states, 458 states have (on average 1.165938864628821) internal successors, (534), 458 states have internal predecessors, (534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:35:41,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 534 transitions. [2024-11-09 05:35:41,991 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 534 transitions. Word has length 74 [2024-11-09 05:35:41,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:35:41,991 INFO L471 AbstractCegarLoop]: Abstraction has 459 states and 534 transitions. [2024-11-09 05:35:41,992 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:35:41,992 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 534 transitions. [2024-11-09 05:35:41,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-09 05:35:41,994 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:35:41,994 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:35:42,020 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-09 05:35:42,195 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:35:42,195 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-09 05:35:42,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:35:42,196 INFO L85 PathProgramCache]: Analyzing trace with hash 246244492, now seen corresponding path program 1 times [2024-11-09 05:35:42,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:35:42,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147409717] [2024-11-09 05:35:42,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:35:42,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:35:42,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:35:43,298 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 20 proven. 41 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-09 05:35:43,298 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:35:43,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147409717] [2024-11-09 05:35:43,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147409717] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:35:43,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [787834624] [2024-11-09 05:35:43,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:35:43,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:35:43,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:35:43,303 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:35:43,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-09 05:35:43,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:35:43,511 INFO L255 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-09 05:35:43,512 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:35:43,671 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-09 05:35:43,672 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:35:43,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [787834624] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:35:43,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 05:35:43,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 16 [2024-11-09 05:35:43,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014949188] [2024-11-09 05:35:43,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:35:43,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 05:35:43,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:35:43,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 05:35:43,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2024-11-09 05:35:43,674 INFO L87 Difference]: Start difference. First operand 459 states and 534 transitions. Second operand has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:35:43,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:35:43,929 INFO L93 Difference]: Finished difference Result 661 states and 771 transitions. [2024-11-09 05:35:43,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 05:35:43,930 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2024-11-09 05:35:43,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:35:43,932 INFO L225 Difference]: With dead ends: 661 [2024-11-09 05:35:43,932 INFO L226 Difference]: Without dead ends: 445 [2024-11-09 05:35:43,932 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2024-11-09 05:35:43,933 INFO L432 NwaCegarLoop]: 147 mSDtfsCounter, 170 mSDsluCounter, 454 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 601 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:35:43,934 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 601 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 05:35:43,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2024-11-09 05:35:43,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 437. [2024-11-09 05:35:43,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 437 states, 436 states have (on average 1.1444954128440368) internal successors, (499), 436 states have internal predecessors, (499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:35:43,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 499 transitions. [2024-11-09 05:35:43,968 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 499 transitions. Word has length 76 [2024-11-09 05:35:43,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:35:43,968 INFO L471 AbstractCegarLoop]: Abstraction has 437 states and 499 transitions. [2024-11-09 05:35:43,968 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:35:43,969 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 499 transitions. [2024-11-09 05:35:43,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-09 05:35:43,970 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:35:43,970 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:35:43,994 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-09 05:35:44,173 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-09 05:35:44,174 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-09 05:35:44,175 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:35:44,175 INFO L85 PathProgramCache]: Analyzing trace with hash -1461701394, now seen corresponding path program 1 times [2024-11-09 05:35:44,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:35:44,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332649629] [2024-11-09 05:35:44,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:35:44,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:35:44,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:35:44,470 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 43 proven. 8 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-09 05:35:44,470 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:35:44,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332649629] [2024-11-09 05:35:44,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [332649629] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:35:44,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [766607837] [2024-11-09 05:35:44,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:35:44,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:35:44,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:35:44,473 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:35:44,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-09 05:35:44,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:35:44,694 INFO L255 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 05:35:44,696 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:35:44,839 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 43 proven. 4 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-11-09 05:35:44,839 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:35:45,154 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 41 proven. 19 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-09 05:35:45,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [766607837] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:35:45,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1456877226] [2024-11-09 05:35:45,161 INFO L159 IcfgInterpreter]: Started Sifa with 44 locations of interest [2024-11-09 05:35:45,162 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:35:45,163 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:35:45,163 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:35:45,163 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:35:48,756 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:36:49,564 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '18423#(and (exists ((|v_ULTIMATE.start_mp_add_~carry~0#1_67| Int) (|v_ULTIMATE.start_mp_add_~nb~0#1_48| Int) (|v_ULTIMATE.start_mp_add_~i~0#1_113| Int) (|v_ULTIMATE.start_mp_add_~na~0#1_38| Int)) (and (<= 1 |#StackHeapBarrier|) (= 3582 |ULTIMATE.start_mp_add_~a2~0#1|) (= (mod |v_ULTIMATE.start_mp_add_~carry~0#1_67| 65536) 0) (= |ULTIMATE.start_mp_add_~a1~0#1| 917073) (= |v_ULTIMATE.start_mp_add_~nb~0#1_48| 3) (<= 4 (mod |v_ULTIMATE.start_mp_add_~i~0#1_113| 256)) (= 234770789 |ULTIMATE.start_main_~a~0#1|) (exists ((|v_ULTIMATE.start_mp_add_~i~0#1_112| Int)) (= |v_ULTIMATE.start_mp_add_~i~0#1_113| (+ (mod |v_ULTIMATE.start_mp_add_~i~0#1_112| 256) 1))) (= |v_ULTIMATE.start_mp_add_~na~0#1_38| 4) (= 234770789 |ULTIMATE.start_mp_add_~a0~0#1|) (= |ULTIMATE.start_mp_add_~a3~0#1| 13))) (exists ((|v_ULTIMATE.start_mp_add_~r3~0#1_82| Int)) (<= 128 (mod |v_ULTIMATE.start_mp_add_~r3~0#1_82| 256))) (exists ((|v_ULTIMATE.start_mp_add_~r2~0#1_74| Int) (|v_ULTIMATE.start_mp_add_#t~bitwise1#1_45| Int)) (and (or (exists ((|v_ULTIMATE.start_mp_add_~r0~0#1_67| Int) (|v_ULTIMATE.start_mp_add_~r1~0#1_70| Int)) (and (= |v_ULTIMATE.start_mp_add_#t~bitwise1#1_45| (* (mod |v_ULTIMATE.start_mp_add_~r1~0#1_70| 256) 256)) (= (mod |v_ULTIMATE.start_mp_add_~r0~0#1_67| 256) 0))) (exists ((|v_ULTIMATE.start_mp_add_~r0~0#1_67| Int) (|v_ULTIMATE.start_mp_add_~r1~0#1_70| Int)) (and (<= (mod |v_ULTIMATE.start_mp_add_~r0~0#1_67| 256) |v_ULTIMATE.start_mp_add_#t~bitwise1#1_45|) (<= |v_ULTIMATE.start_mp_add_#t~bitwise1#1_45| (+ (mod |v_ULTIMATE.start_mp_add_~r0~0#1_67| 256) (* (mod |v_ULTIMATE.start_mp_add_~r1~0#1_70| 256) 256))) (<= (* (mod |v_ULTIMATE.start_mp_add_~r1~0#1_70| 256) 256) |v_ULTIMATE.start_mp_add_#t~bitwise1#1_45|) (not (= (mod |v_ULTIMATE.start_mp_add_~r0~0#1_67| 256) 0))))) (<= |ULTIMATE.start_mp_add_#t~bitwise2#1| (+ |v_ULTIMATE.start_mp_add_#t~bitwise1#1_45| (* 65536 (mod |v_ULTIMATE.start_mp_add_~r2~0#1_74| 256)))) (<= (* 65536 (mod |v_ULTIMATE.start_mp_add_~r2~0#1_74| 256)) |ULTIMATE.start_mp_add_#t~bitwise2#1|) (<= |v_ULTIMATE.start_mp_add_#t~bitwise1#1_45| |ULTIMATE.start_mp_add_#t~bitwise2#1|))))' at error location [2024-11-09 05:36:49,564 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-09 05:36:49,565 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:36:49,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 9] total 17 [2024-11-09 05:36:49,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475668209] [2024-11-09 05:36:49,565 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 05:36:49,566 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-09 05:36:49,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:36:49,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-09 05:36:49,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=316, Invalid=1297, Unknown=27, NotChecked=0, Total=1640 [2024-11-09 05:36:49,567 INFO L87 Difference]: Start difference. First operand 437 states and 499 transitions. Second operand has 17 states, 17 states have (on average 8.117647058823529) internal successors, (138), 17 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:36:51,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:36:51,845 INFO L93 Difference]: Finished difference Result 1250 states and 1504 transitions. [2024-11-09 05:36:51,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-09 05:36:51,845 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 8.117647058823529) internal successors, (138), 17 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2024-11-09 05:36:51,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:36:51,848 INFO L225 Difference]: With dead ends: 1250 [2024-11-09 05:36:51,849 INFO L226 Difference]: Without dead ends: 815 [2024-11-09 05:36:51,851 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1561 ImplicationChecksByTransitivity, 62.1s TimeCoverageRelationStatistics Valid=882, Invalid=3381, Unknown=27, NotChecked=0, Total=4290 [2024-11-09 05:36:51,851 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 749 mSDsluCounter, 377 mSDsCounter, 0 mSdLazyCounter, 770 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 749 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 877 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 770 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:36:51,852 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [749 Valid, 439 Invalid, 877 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 770 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-09 05:36:51,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 815 states. [2024-11-09 05:36:51,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 815 to 724. [2024-11-09 05:36:51,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 724 states, 723 states have (on average 1.1894882434301521) internal successors, (860), 723 states have internal predecessors, (860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:36:51,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 724 states and 860 transitions. [2024-11-09 05:36:51,900 INFO L78 Accepts]: Start accepts. Automaton has 724 states and 860 transitions. Word has length 77 [2024-11-09 05:36:51,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:36:51,900 INFO L471 AbstractCegarLoop]: Abstraction has 724 states and 860 transitions. [2024-11-09 05:36:51,900 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 8.117647058823529) internal successors, (138), 17 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:36:51,900 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 860 transitions. [2024-11-09 05:36:51,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-09 05:36:51,902 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:36:51,902 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:36:51,924 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-09 05:36:52,105 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:36:52,106 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-09 05:36:52,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:36:52,106 INFO L85 PathProgramCache]: Analyzing trace with hash 1749084222, now seen corresponding path program 1 times [2024-11-09 05:36:52,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:36:52,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175368022] [2024-11-09 05:36:52,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:36:52,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:36:52,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:36:53,000 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 20 proven. 41 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-09 05:36:53,000 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:36:53,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175368022] [2024-11-09 05:36:53,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [175368022] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:36:53,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1189515881] [2024-11-09 05:36:53,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:36:53,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:36:53,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:36:53,002 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:36:53,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-09 05:36:53,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:36:53,337 INFO L255 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-11-09 05:36:53,341 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:36:54,504 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 13 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:36:54,504 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:36:57,185 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:36:57,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1189515881] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:36:57,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1474993460] [2024-11-09 05:36:57,188 INFO L159 IcfgInterpreter]: Started Sifa with 49 locations of interest [2024-11-09 05:36:57,188 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:36:57,188 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:36:57,188 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:36:57,189 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:36:59,609 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:37:49,216 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '21110#(and (exists ((|v_ULTIMATE.start_mp_add_~r3~0#1_92| Int)) (<= 128 (mod |v_ULTIMATE.start_mp_add_~r3~0#1_92| 256))) (exists ((|v_ULTIMATE.start_mp_add_#t~bitwise1#1_47| Int) (|v_ULTIMATE.start_mp_add_~r2~0#1_85| Int)) (and (or (exists ((|v_ULTIMATE.start_mp_add_~r0~0#1_76| Int) (|v_ULTIMATE.start_mp_add_~r1~0#1_79| Int)) (and (= (mod |v_ULTIMATE.start_mp_add_~r0~0#1_76| 256) 0) (= |v_ULTIMATE.start_mp_add_#t~bitwise1#1_47| (* (mod |v_ULTIMATE.start_mp_add_~r1~0#1_79| 256) 256)))) (exists ((|v_ULTIMATE.start_mp_add_~r0~0#1_76| Int) (|v_ULTIMATE.start_mp_add_~r1~0#1_79| Int)) (and (<= (* (mod |v_ULTIMATE.start_mp_add_~r1~0#1_79| 256) 256) |v_ULTIMATE.start_mp_add_#t~bitwise1#1_47|) (<= |v_ULTIMATE.start_mp_add_#t~bitwise1#1_47| (+ (* (mod |v_ULTIMATE.start_mp_add_~r1~0#1_79| 256) 256) (mod |v_ULTIMATE.start_mp_add_~r0~0#1_76| 256))) (not (= (mod |v_ULTIMATE.start_mp_add_~r0~0#1_76| 256) 0)) (<= (mod |v_ULTIMATE.start_mp_add_~r0~0#1_76| 256) |v_ULTIMATE.start_mp_add_#t~bitwise1#1_47|)))) (<= (* 65536 (mod |v_ULTIMATE.start_mp_add_~r2~0#1_85| 256)) |ULTIMATE.start_mp_add_#t~bitwise2#1|) (<= |v_ULTIMATE.start_mp_add_#t~bitwise1#1_47| |ULTIMATE.start_mp_add_#t~bitwise2#1|) (<= |ULTIMATE.start_mp_add_#t~bitwise2#1| (+ |v_ULTIMATE.start_mp_add_#t~bitwise1#1_47| (* 65536 (mod |v_ULTIMATE.start_mp_add_~r2~0#1_85| 256)))))) (exists ((|v_ULTIMATE.start_mp_add_~carry~0#1_93| Int) (|v_ULTIMATE.start_mp_add_~nb~0#1_56| Int) (|v_ULTIMATE.start_mp_add_~i~0#1_123| Int) (|v_ULTIMATE.start_mp_add_~na~0#1_39| Int)) (and (<= 1 |#StackHeapBarrier|) (= 3582 |ULTIMATE.start_mp_add_~a2~0#1|) (= |ULTIMATE.start_mp_add_~a1~0#1| 917073) (= |v_ULTIMATE.start_mp_add_~na~0#1_39| 4) (<= 4 (mod |v_ULTIMATE.start_mp_add_~i~0#1_123| 256)) (= 234770789 |ULTIMATE.start_main_~a~0#1|) (exists ((|v_ULTIMATE.start_mp_add_~i~0#1_122| Int)) (= |v_ULTIMATE.start_mp_add_~i~0#1_123| (+ (mod |v_ULTIMATE.start_mp_add_~i~0#1_122| 256) 1))) (= |v_ULTIMATE.start_mp_add_~nb~0#1_56| 1) (= (mod |v_ULTIMATE.start_mp_add_~carry~0#1_93| 65536) 0) (= 234770789 |ULTIMATE.start_mp_add_~a0~0#1|) (= |ULTIMATE.start_mp_add_~a3~0#1| 13))))' at error location [2024-11-09 05:37:49,217 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-09 05:37:49,217 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:37:49,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 16, 15] total 40 [2024-11-09 05:37:49,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17746421] [2024-11-09 05:37:49,217 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 05:37:49,218 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2024-11-09 05:37:49,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:37:49,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2024-11-09 05:37:49,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=675, Invalid=3593, Unknown=22, NotChecked=0, Total=4290 [2024-11-09 05:37:49,220 INFO L87 Difference]: Start difference. First operand 724 states and 860 transitions. Second operand has 42 states, 41 states have (on average 5.853658536585366) internal successors, (240), 41 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:37:55,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:37:55,010 INFO L93 Difference]: Finished difference Result 2499 states and 2981 transitions. [2024-11-09 05:37:55,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-11-09 05:37:55,010 INFO L78 Accepts]: Start accepts. Automaton has has 42 states, 41 states have (on average 5.853658536585366) internal successors, (240), 41 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2024-11-09 05:37:55,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:37:55,013 INFO L225 Difference]: With dead ends: 2499 [2024-11-09 05:37:55,013 INFO L226 Difference]: Without dead ends: 856 [2024-11-09 05:37:55,020 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 314 GetRequests, 185 SyntacticMatches, 4 SemanticMatches, 125 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5382 ImplicationChecksByTransitivity, 54.9s TimeCoverageRelationStatistics Valid=3090, Invalid=12890, Unknown=22, NotChecked=0, Total=16002 [2024-11-09 05:37:55,021 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 1032 mSDsluCounter, 1074 mSDsCounter, 0 mSdLazyCounter, 1373 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1032 SdHoareTripleChecker+Valid, 1209 SdHoareTripleChecker+Invalid, 1465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 1373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-09 05:37:55,021 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1032 Valid, 1209 Invalid, 1465 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 1373 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-09 05:37:55,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 856 states. [2024-11-09 05:37:55,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 856 to 399. [2024-11-09 05:37:55,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 399 states, 398 states have (on average 1.2010050251256281) internal successors, (478), 398 states have internal predecessors, (478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:37:55,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 478 transitions. [2024-11-09 05:37:55,052 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 478 transitions. Word has length 82 [2024-11-09 05:37:55,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:37:55,053 INFO L471 AbstractCegarLoop]: Abstraction has 399 states and 478 transitions. [2024-11-09 05:37:55,053 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 41 states have (on average 5.853658536585366) internal successors, (240), 41 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:37:55,053 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 478 transitions. [2024-11-09 05:37:55,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-09 05:37:55,054 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:37:55,054 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:37:55,076 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-09 05:37:55,258 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:37:55,259 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-09 05:37:55,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:37:55,259 INFO L85 PathProgramCache]: Analyzing trace with hash 239101582, now seen corresponding path program 1 times [2024-11-09 05:37:55,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:37:55,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878891441] [2024-11-09 05:37:55,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:37:55,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:37:55,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:37:55,512 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 53 proven. 2 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-09 05:37:55,512 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:37:55,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878891441] [2024-11-09 05:37:55,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878891441] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:37:55,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1361698228] [2024-11-09 05:37:55,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:37:55,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:37:55,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:37:55,515 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:37:55,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-09 05:37:55,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:37:55,595 INFO L255 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 05:37:55,597 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:37:55,693 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 53 proven. 2 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-09 05:37:55,693 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:37:55,774 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 53 proven. 2 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-09 05:37:55,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1361698228] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:37:55,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1340772677] [2024-11-09 05:37:55,778 INFO L159 IcfgInterpreter]: Started Sifa with 51 locations of interest [2024-11-09 05:37:55,778 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:37:55,778 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:37:55,778 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:37:55,779 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:37:57,709 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:39:02,155 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '24841#(and (exists ((|v_ULTIMATE.start_mp_add_~r3~0#1_99| Int)) (<= 128 (mod |v_ULTIMATE.start_mp_add_~r3~0#1_99| 256))) (exists ((|v_ULTIMATE.start_mp_add_#t~bitwise1#1_49| Int) (|v_ULTIMATE.start_mp_add_~r2~0#1_92| Int)) (and (or (exists ((|v_ULTIMATE.start_mp_add_~r1~0#1_86| Int) (|v_ULTIMATE.start_mp_add_~r0~0#1_83| Int)) (and (= (mod |v_ULTIMATE.start_mp_add_~r0~0#1_83| 256) 0) (= |v_ULTIMATE.start_mp_add_#t~bitwise1#1_49| (* (mod |v_ULTIMATE.start_mp_add_~r1~0#1_86| 256) 256)))) (exists ((|v_ULTIMATE.start_mp_add_~r1~0#1_86| Int) (|v_ULTIMATE.start_mp_add_~r0~0#1_83| Int)) (and (not (= (mod |v_ULTIMATE.start_mp_add_~r0~0#1_83| 256) 0)) (<= (* (mod |v_ULTIMATE.start_mp_add_~r1~0#1_86| 256) 256) |v_ULTIMATE.start_mp_add_#t~bitwise1#1_49|) (<= (mod |v_ULTIMATE.start_mp_add_~r0~0#1_83| 256) |v_ULTIMATE.start_mp_add_#t~bitwise1#1_49|) (<= |v_ULTIMATE.start_mp_add_#t~bitwise1#1_49| (+ (mod |v_ULTIMATE.start_mp_add_~r0~0#1_83| 256) (* (mod |v_ULTIMATE.start_mp_add_~r1~0#1_86| 256) 256)))))) (<= |v_ULTIMATE.start_mp_add_#t~bitwise1#1_49| |ULTIMATE.start_mp_add_#t~bitwise2#1|) (<= |ULTIMATE.start_mp_add_#t~bitwise2#1| (+ |v_ULTIMATE.start_mp_add_#t~bitwise1#1_49| (* 65536 (mod |v_ULTIMATE.start_mp_add_~r2~0#1_92| 256)))) (<= (* 65536 (mod |v_ULTIMATE.start_mp_add_~r2~0#1_92| 256)) |ULTIMATE.start_mp_add_#t~bitwise2#1|))) (exists ((|v_ULTIMATE.start_mp_add_~na~0#1_40| Int) (|v_ULTIMATE.start_mp_add_~i~0#1_130| Int) (|v_ULTIMATE.start_mp_add_~nb~0#1_59| Int) (|v_ULTIMATE.start_mp_add_~carry~0#1_106| Int)) (and (<= 1 |#StackHeapBarrier|) (= 3582 |ULTIMATE.start_mp_add_~a2~0#1|) (<= 4 (mod |v_ULTIMATE.start_mp_add_~i~0#1_130| 256)) (= |ULTIMATE.start_mp_add_~a1~0#1| 917073) (= (mod |v_ULTIMATE.start_mp_add_~carry~0#1_106| 65536) 0) (= 234770789 |ULTIMATE.start_main_~a~0#1|) (exists ((|v_ULTIMATE.start_mp_add_~i~0#1_129| Int)) (= (+ (mod |v_ULTIMATE.start_mp_add_~i~0#1_129| 256) 1) |v_ULTIMATE.start_mp_add_~i~0#1_130|)) (= |v_ULTIMATE.start_mp_add_~nb~0#1_59| 2) (= |v_ULTIMATE.start_mp_add_~na~0#1_40| 4) (= 234770789 |ULTIMATE.start_mp_add_~a0~0#1|) (= |ULTIMATE.start_mp_add_~a3~0#1| 13))))' at error location [2024-11-09 05:39:02,156 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-09 05:39:02,156 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:39:02,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 11 [2024-11-09 05:39:02,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574657161] [2024-11-09 05:39:02,156 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 05:39:02,157 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 05:39:02,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:39:02,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 05:39:02,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=208, Invalid=1097, Unknown=27, NotChecked=0, Total=1332 [2024-11-09 05:39:02,158 INFO L87 Difference]: Start difference. First operand 399 states and 478 transitions. Second operand has 11 states, 11 states have (on average 9.545454545454545) internal successors, (105), 11 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:39:03,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:39:03,314 INFO L93 Difference]: Finished difference Result 771 states and 916 transitions. [2024-11-09 05:39:03,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-09 05:39:03,315 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.545454545454545) internal successors, (105), 11 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2024-11-09 05:39:03,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:39:03,317 INFO L225 Difference]: With dead ends: 771 [2024-11-09 05:39:03,317 INFO L226 Difference]: Without dead ends: 490 [2024-11-09 05:39:03,319 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 300 GetRequests, 250 SyntacticMatches, 3 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 866 ImplicationChecksByTransitivity, 65.1s TimeCoverageRelationStatistics Valid=360, Invalid=1965, Unknown=27, NotChecked=0, Total=2352 [2024-11-09 05:39:03,319 INFO L432 NwaCegarLoop]: 56 mSDtfsCounter, 267 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 390 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 267 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 390 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 05:39:03,320 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [267 Valid, 222 Invalid, 438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 390 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 05:39:03,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 490 states. [2024-11-09 05:39:03,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 490 to 411. [2024-11-09 05:39:03,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 410 states have (on average 1.1365853658536584) internal successors, (466), 410 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:39:03,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 466 transitions. [2024-11-09 05:39:03,349 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 466 transitions. Word has length 92 [2024-11-09 05:39:03,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:39:03,349 INFO L471 AbstractCegarLoop]: Abstraction has 411 states and 466 transitions. [2024-11-09 05:39:03,350 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.545454545454545) internal successors, (105), 11 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:39:03,350 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 466 transitions. [2024-11-09 05:39:03,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-09 05:39:03,351 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:39:03,351 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:39:03,372 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-09 05:39:03,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:39:03,556 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-09 05:39:03,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:39:03,556 INFO L85 PathProgramCache]: Analyzing trace with hash 1720470989, now seen corresponding path program 1 times [2024-11-09 05:39:03,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:39:03,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030030461] [2024-11-09 05:39:03,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:39:03,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:39:03,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 05:39:03,729 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 05:39:03,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 05:39:03,862 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 05:39:03,862 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 05:39:03,863 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 41 remaining) [2024-11-09 05:39:03,865 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 41 remaining) [2024-11-09 05:39:03,865 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 41 remaining) [2024-11-09 05:39:03,865 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 41 remaining) [2024-11-09 05:39:03,866 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 41 remaining) [2024-11-09 05:39:03,866 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 41 remaining) [2024-11-09 05:39:03,866 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 41 remaining) [2024-11-09 05:39:03,866 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 41 remaining) [2024-11-09 05:39:03,866 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 41 remaining) [2024-11-09 05:39:03,866 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 41 remaining) [2024-11-09 05:39:03,867 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 41 remaining) [2024-11-09 05:39:03,867 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 41 remaining) [2024-11-09 05:39:03,867 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 41 remaining) [2024-11-09 05:39:03,867 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 41 remaining) [2024-11-09 05:39:03,867 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 41 remaining) [2024-11-09 05:39:03,867 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 41 remaining) [2024-11-09 05:39:03,868 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 41 remaining) [2024-11-09 05:39:03,868 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 41 remaining) [2024-11-09 05:39:03,868 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 41 remaining) [2024-11-09 05:39:03,868 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 41 remaining) [2024-11-09 05:39:03,868 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 41 remaining) [2024-11-09 05:39:03,868 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 41 remaining) [2024-11-09 05:39:03,868 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 41 remaining) [2024-11-09 05:39:03,868 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 41 remaining) [2024-11-09 05:39:03,869 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 41 remaining) [2024-11-09 05:39:03,869 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 41 remaining) [2024-11-09 05:39:03,869 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 41 remaining) [2024-11-09 05:39:03,869 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 41 remaining) [2024-11-09 05:39:03,869 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 41 remaining) [2024-11-09 05:39:03,869 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 41 remaining) [2024-11-09 05:39:03,870 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 41 remaining) [2024-11-09 05:39:03,870 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 41 remaining) [2024-11-09 05:39:03,870 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 41 remaining) [2024-11-09 05:39:03,870 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 41 remaining) [2024-11-09 05:39:03,870 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 41 remaining) [2024-11-09 05:39:03,870 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 41 remaining) [2024-11-09 05:39:03,871 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 41 remaining) [2024-11-09 05:39:03,871 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 41 remaining) [2024-11-09 05:39:03,871 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 41 remaining) [2024-11-09 05:39:03,871 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 41 remaining) [2024-11-09 05:39:03,871 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 41 remaining) [2024-11-09 05:39:03,871 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-09 05:39:03,875 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:39:03,937 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 05:39:03,941 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 05:39:03 BoogieIcfgContainer [2024-11-09 05:39:03,941 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 05:39:03,941 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 05:39:03,942 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 05:39:03,942 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 05:39:03,942 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:35:18" (3/4) ... [2024-11-09 05:39:03,945 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 05:39:03,947 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 05:39:03,947 INFO L158 Benchmark]: Toolchain (without parser) took 227717.81ms. Allocated memory was 176.2MB in the beginning and 513.8MB in the end (delta: 337.6MB). Free memory was 132.7MB in the beginning and 186.9MB in the end (delta: -54.2MB). Peak memory consumption was 285.4MB. Max. memory is 16.1GB. [2024-11-09 05:39:03,947 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 107.0MB. Free memory was 55.0MB in the beginning and 54.9MB in the end (delta: 142.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:39:03,948 INFO L158 Benchmark]: CACSL2BoogieTranslator took 451.09ms. Allocated memory is still 176.2MB. Free memory was 132.7MB in the beginning and 117.2MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 05:39:03,948 INFO L158 Benchmark]: Boogie Procedure Inliner took 95.54ms. Allocated memory is still 176.2MB. Free memory was 117.2MB in the beginning and 113.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 05:39:03,948 INFO L158 Benchmark]: Boogie Preprocessor took 61.51ms. Allocated memory is still 176.2MB. Free memory was 113.0MB in the beginning and 110.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 05:39:03,949 INFO L158 Benchmark]: RCFGBuilder took 1231.96ms. Allocated memory was 176.2MB in the beginning and 245.4MB in the end (delta: 69.2MB). Free memory was 110.9MB in the beginning and 204.5MB in the end (delta: -93.6MB). Peak memory consumption was 49.7MB. Max. memory is 16.1GB. [2024-11-09 05:39:03,949 INFO L158 Benchmark]: TraceAbstraction took 225859.46ms. Allocated memory was 245.4MB in the beginning and 513.8MB in the end (delta: 268.4MB). Free memory was 203.4MB in the beginning and 186.9MB in the end (delta: 16.5MB). Peak memory consumption was 286.0MB. Max. memory is 16.1GB. [2024-11-09 05:39:03,949 INFO L158 Benchmark]: Witness Printer took 5.22ms. Allocated memory is still 513.8MB. Free memory is still 186.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:39:03,951 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 107.0MB. Free memory was 55.0MB in the beginning and 54.9MB in the end (delta: 142.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 451.09ms. Allocated memory is still 176.2MB. Free memory was 132.7MB in the beginning and 117.2MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 95.54ms. Allocated memory is still 176.2MB. Free memory was 117.2MB in the beginning and 113.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.51ms. Allocated memory is still 176.2MB. Free memory was 113.0MB in the beginning and 110.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1231.96ms. Allocated memory was 176.2MB in the beginning and 245.4MB in the end (delta: 69.2MB). Free memory was 110.9MB in the beginning and 204.5MB in the end (delta: -93.6MB). Peak memory consumption was 49.7MB. Max. memory is 16.1GB. * TraceAbstraction took 225859.46ms. Allocated memory was 245.4MB in the beginning and 513.8MB in the end (delta: 268.4MB). Free memory was 203.4MB in the beginning and 186.9MB in the end (delta: 16.5MB). Peak memory consumption was 286.0MB. Max. memory is 16.1GB. * Witness Printer took 5.22ms. Allocated memory is still 513.8MB. Free memory is still 186.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 116]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 116. Possible FailurePath: [L124] unsigned int a, b, r; [L126] b = __VERIFIER_nondet_uint() [L128] a = 234770789 [L130] CALL mp_add(a, b) [L42] unsigned char a0, a1, a2, a3; [L43] unsigned char b0, b1, b2, b3; [L44] unsigned char r0, r1, r2, r3; [L45] unsigned short carry; [L46] unsigned short partial_sum; [L47] unsigned int r; [L48] unsigned char i; [L49] unsigned char na, nb; [L50] a0 = a [L51] a1 = a >> 8 [L52] a2 = a >> 16U [L53] a3 = a >> 24U [L54] b0 = b [L55] b1 = b >> 8U [L56] b2 = b >> 16U [L57] b3 = b >> 24U [L58] na = (unsigned char)4 VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043440026, b1=15794687, b2=61697, b3=241, na=4] [L59] COND FALSE !(a3 == (unsigned char)0) VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043440026, b1=15794687, b2=61697, b3=241, na=4] [L68] nb = (unsigned char)4 VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043440026, b1=15794687, b2=61697, b3=241, na=4, nb=4] [L69] COND FALSE !(b3 == (unsigned char)0) VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043440026, b1=15794687, b2=61697, b3=241, na=4, nb=4] [L78] carry = (unsigned short)0 [L79] i = (unsigned char)0 VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043440026, b1=15794687, b2=61697, b3=241, carry=0, i=0, na=4, nb=4] [L80] COND FALSE !((i < na) || (i < nb) || (carry != (unsigned short)0)) VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043440026, b1=15794687, b2=61697, b3=241, carry=0, i=0, na=4, nb=4] [L80] COND TRUE (i < na) || (i < nb) || (carry != (unsigned short)0) [L81] partial_sum = carry [L82] carry = (unsigned short)0 VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043440026, b1=15794687, b2=61697, b3=241, carry=0, i=0, na=4, nb=4, partial_sum=0] [L83] COND TRUE i < na VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043440026, b1=15794687, b2=61697, b3=241, carry=0, i=0, na=4, nb=4, partial_sum=0] [L84] COND TRUE i == (unsigned char)0 VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043440026, b1=15794687, b2=61697, b3=241, carry=0, i=0, na=4, nb=4, partial_sum=0] [L84] EXPR partial_sum + a0 [L84] partial_sum = partial_sum + a0 VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043440026, b1=15794687, b2=61697, b3=241, carry=0, i=0, na=4, nb=4, partial_sum=101] [L85] COND FALSE !(i == (unsigned char)1) VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043440026, b1=15794687, b2=61697, b3=241, carry=0, i=0, na=4, nb=4, partial_sum=101] [L86] COND FALSE !(i == (unsigned char)2) VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043440026, b1=15794687, b2=61697, b3=241, carry=0, i=0, na=4, nb=4, partial_sum=101] [L87] COND FALSE !(i == (unsigned char)3) VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043440026, b1=15794687, b2=61697, b3=241, carry=0, i=0, na=4, nb=4, partial_sum=101] [L89] COND TRUE i < nb VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043440026, b1=15794687, b2=61697, b3=241, carry=0, i=0, na=4, nb=4, partial_sum=101] [L90] COND TRUE i == (unsigned char)0 VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043440026, b1=15794687, b2=61697, b3=241, carry=0, i=0, na=4, nb=4, partial_sum=101] [L90] EXPR partial_sum + b0 [L90] partial_sum = partial_sum + b0 VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043440026, b1=15794687, b2=61697, b3=241, carry=0, i=0, na=4, nb=4, partial_sum=255] [L91] COND FALSE !(i == (unsigned char)1) VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043440026, b1=15794687, b2=61697, b3=241, carry=0, i=0, na=4, nb=4, partial_sum=255] [L92] COND FALSE !(i == (unsigned char)2) VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043440026, b1=15794687, b2=61697, b3=241, carry=0, i=0, na=4, nb=4, partial_sum=255] [L93] COND FALSE !(i == (unsigned char)3) VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043440026, b1=15794687, b2=61697, b3=241, carry=0, i=0, na=4, nb=4, partial_sum=255] [L95] COND FALSE !(partial_sum > ((unsigned char)255)) [L99] COND TRUE i == (unsigned char)0 [L99] r0 = (unsigned char)partial_sum [L100] COND FALSE !(i == (unsigned char)1) [L101] COND FALSE !(i == (unsigned char)2) [L102] COND FALSE !(i == (unsigned char)3) VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043440026, b1=15794687, b2=61697, b3=241, carry=0, i=0, na=4, nb=4, r0=255, r1=4043440027, r2=255, r3=80] [L104] EXPR i + (unsigned char)1 [L104] i = i + (unsigned char)1 VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043440026, b1=15794687, b2=61697, b3=241, carry=0, i=1, na=4, nb=4, r0=255, r1=4043440027, r2=255, r3=80] [L80] COND FALSE !((i < na) || (i < nb) || (carry != (unsigned short)0)) VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043440026, b1=15794687, b2=61697, b3=241, carry=0, i=1, na=4, nb=4, r0=255, r1=4043440027, r2=255, r3=80] [L80] COND TRUE (i < na) || (i < nb) || (carry != (unsigned short)0) [L81] partial_sum = carry [L82] carry = (unsigned short)0 VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043440026, b1=15794687, b2=61697, b3=241, carry=0, i=1, na=4, nb=4, partial_sum=0, r0=255, r1=4043440027, r2=255, r3=80] [L83] COND TRUE i < na VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043440026, b1=15794687, b2=61697, b3=241, carry=0, i=1, na=4, nb=4, partial_sum=0, r0=255, r1=4043440027, r2=255, r3=80] [L84] COND FALSE !(i == (unsigned char)0) VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043440026, b1=15794687, b2=61697, b3=241, carry=0, i=1, na=4, nb=4, partial_sum=0, r0=255, r1=4043440027, r2=255, r3=80] [L85] COND TRUE i == (unsigned char)1 VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043440026, b1=15794687, b2=61697, b3=241, carry=0, i=1, na=4, nb=4, partial_sum=0, r0=255, r1=4043440027, r2=255, r3=80] [L85] EXPR partial_sum + a1 [L85] partial_sum = partial_sum + a1 VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043440026, b1=15794687, b2=61697, b3=241, carry=0, i=1, na=4, nb=4, partial_sum=81, r0=255, r1=4043440027, r2=255, r3=80] [L86] COND FALSE !(i == (unsigned char)2) VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043440026, b1=15794687, b2=61697, b3=241, carry=0, i=1, na=4, nb=4, partial_sum=81, r0=255, r1=4043440027, r2=255, r3=80] [L87] COND FALSE !(i == (unsigned char)3) VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043440026, b1=15794687, b2=61697, b3=241, carry=0, i=1, na=4, nb=4, partial_sum=81, r0=255, r1=4043440027, r2=255, r3=80] [L89] COND TRUE i < nb VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043440026, b1=15794687, b2=61697, b3=241, carry=0, i=1, na=4, nb=4, partial_sum=81, r0=255, r1=4043440027, r2=255, r3=80] [L90] COND FALSE !(i == (unsigned char)0) VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043440026, b1=15794687, b2=61697, b3=241, carry=0, i=1, na=4, nb=4, partial_sum=81, r0=255, r1=4043440027, r2=255, r3=80] [L91] COND TRUE i == (unsigned char)1 VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043440026, b1=15794687, b2=61697, b3=241, carry=0, i=1, na=4, nb=4, partial_sum=81, r0=255, r1=4043440027, r2=255, r3=80] [L91] EXPR partial_sum + b1 [L91] partial_sum = partial_sum + b1 VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043440026, b1=15794687, b2=61697, b3=241, carry=0, i=1, na=4, nb=4, partial_sum=336, r0=255, r1=4043440027, r2=255, r3=80] [L92] COND FALSE !(i == (unsigned char)2) VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043440026, b1=15794687, b2=61697, b3=241, carry=0, i=1, na=4, nb=4, partial_sum=336, r0=255, r1=4043440027, r2=255, r3=80] [L93] COND FALSE !(i == (unsigned char)3) VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043440026, b1=15794687, b2=61697, b3=241, carry=0, i=1, na=4, nb=4, partial_sum=336, r0=255, r1=4043440027, r2=255, r3=80] [L95] COND TRUE partial_sum > ((unsigned char)255) [L96] partial_sum = partial_sum & ((unsigned char)255) [L97] carry = (unsigned short)1 [L99] COND FALSE !(i == (unsigned char)0) [L100] COND TRUE i == (unsigned char)1 [L100] r1 = (unsigned char)partial_sum [L101] COND FALSE !(i == (unsigned char)2) [L102] COND FALSE !(i == (unsigned char)3) VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043440026, b1=15794687, b2=61697, b3=241, carry=1, i=1, na=4, nb=4, r0=255, r1=80, r2=255, r3=80] [L104] EXPR i + (unsigned char)1 [L104] i = i + (unsigned char)1 VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043440026, b1=15794687, b2=61697, b3=241, carry=1, i=2, na=4, nb=4, r0=255, r1=80, r2=255, r3=80] [L80] COND FALSE !((i < na) || (i < nb) || (carry != (unsigned short)0)) VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043440026, b1=15794687, b2=61697, b3=241, carry=1, i=2, na=4, nb=4, r0=255, r1=80, r2=255, r3=80] [L80] COND TRUE (i < na) || (i < nb) || (carry != (unsigned short)0) [L81] partial_sum = carry [L82] carry = (unsigned short)0 VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043440026, b1=15794687, b2=61697, b3=241, carry=0, i=2, na=4, nb=4, partial_sum=1, r0=255, r1=80, r2=255, r3=80] [L83] COND TRUE i < na VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043440026, b1=15794687, b2=61697, b3=241, carry=0, i=2, na=4, nb=4, partial_sum=1, r0=255, r1=80, r2=255, r3=80] [L84] COND FALSE !(i == (unsigned char)0) VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043440026, b1=15794687, b2=61697, b3=241, carry=0, i=2, na=4, nb=4, partial_sum=1, r0=255, r1=80, r2=255, r3=80] [L85] COND FALSE !(i == (unsigned char)1) VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043440026, b1=15794687, b2=61697, b3=241, carry=0, i=2, na=4, nb=4, partial_sum=1, r0=255, r1=80, r2=255, r3=80] [L86] COND TRUE i == (unsigned char)2 VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043440026, b1=15794687, b2=61697, b3=241, carry=0, i=2, na=4, nb=4, partial_sum=1, r0=255, r1=80, r2=255, r3=80] [L86] EXPR partial_sum + a2 [L86] partial_sum = partial_sum + a2 VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043440026, b1=15794687, b2=61697, b3=241, carry=0, i=2, na=4, nb=4, partial_sum=255, r0=255, r1=80, r2=255, r3=80] [L87] COND FALSE !(i == (unsigned char)3) VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043440026, b1=15794687, b2=61697, b3=241, carry=0, i=2, na=4, nb=4, partial_sum=255, r0=255, r1=80, r2=255, r3=80] [L89] COND TRUE i < nb VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043440026, b1=15794687, b2=61697, b3=241, carry=0, i=2, na=4, nb=4, partial_sum=255, r0=255, r1=80, r2=255, r3=80] [L90] COND FALSE !(i == (unsigned char)0) VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043440026, b1=15794687, b2=61697, b3=241, carry=0, i=2, na=4, nb=4, partial_sum=255, r0=255, r1=80, r2=255, r3=80] [L91] COND FALSE !(i == (unsigned char)1) VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043440026, b1=15794687, b2=61697, b3=241, carry=0, i=2, na=4, nb=4, partial_sum=255, r0=255, r1=80, r2=255, r3=80] [L92] COND TRUE i == (unsigned char)2 VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043440026, b1=15794687, b2=61697, b3=241, carry=0, i=2, na=4, nb=4, partial_sum=255, r0=255, r1=80, r2=255, r3=80] [L92] EXPR partial_sum + b2 [L92] partial_sum = partial_sum + b2 VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043440026, b1=15794687, b2=61697, b3=241, carry=0, i=2, na=4, nb=4, partial_sum=256, r0=255, r1=80, r2=255, r3=80] [L93] COND FALSE !(i == (unsigned char)3) VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043440026, b1=15794687, b2=61697, b3=241, carry=0, i=2, na=4, nb=4, partial_sum=256, r0=255, r1=80, r2=255, r3=80] [L95] COND TRUE partial_sum > ((unsigned char)255) [L96] partial_sum = partial_sum & ((unsigned char)255) [L97] carry = (unsigned short)1 [L99] COND FALSE !(i == (unsigned char)0) [L100] COND FALSE !(i == (unsigned char)1) [L101] COND TRUE i == (unsigned char)2 [L101] r2 = (unsigned char)partial_sum [L102] COND FALSE !(i == (unsigned char)3) VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043440026, b1=15794687, b2=61697, b3=241, carry=1, i=2, na=4, nb=4, r0=255, r1=80, r2=0, r3=80] [L104] EXPR i + (unsigned char)1 [L104] i = i + (unsigned char)1 VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043440026, b1=15794687, b2=61697, b3=241, carry=1, i=3, na=4, nb=4, r0=255, r1=80, r2=0, r3=80] [L80] COND FALSE !((i < na) || (i < nb) || (carry != (unsigned short)0)) VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043440026, b1=15794687, b2=61697, b3=241, carry=1, i=3, na=4, nb=4, r0=255, r1=80, r2=0, r3=80] [L80] COND TRUE (i < na) || (i < nb) || (carry != (unsigned short)0) [L81] partial_sum = carry [L82] carry = (unsigned short)0 VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043440026, b1=15794687, b2=61697, b3=241, carry=0, i=3, na=4, nb=4, partial_sum=1, r0=255, r1=80, r2=0, r3=80] [L83] COND TRUE i < na VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043440026, b1=15794687, b2=61697, b3=241, carry=0, i=3, na=4, nb=4, partial_sum=1, r0=255, r1=80, r2=0, r3=80] [L84] COND FALSE !(i == (unsigned char)0) VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043440026, b1=15794687, b2=61697, b3=241, carry=0, i=3, na=4, nb=4, partial_sum=1, r0=255, r1=80, r2=0, r3=80] [L85] COND FALSE !(i == (unsigned char)1) VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043440026, b1=15794687, b2=61697, b3=241, carry=0, i=3, na=4, nb=4, partial_sum=1, r0=255, r1=80, r2=0, r3=80] [L86] COND FALSE !(i == (unsigned char)2) VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043440026, b1=15794687, b2=61697, b3=241, carry=0, i=3, na=4, nb=4, partial_sum=1, r0=255, r1=80, r2=0, r3=80] [L87] COND TRUE i == (unsigned char)3 VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043440026, b1=15794687, b2=61697, b3=241, carry=0, i=3, na=4, nb=4, partial_sum=1, r0=255, r1=80, r2=0, r3=80] [L87] EXPR partial_sum + a3 [L87] partial_sum = partial_sum + a3 VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043440026, b1=15794687, b2=61697, b3=241, carry=0, i=3, na=4, nb=4, partial_sum=14, r0=255, r1=80, r2=0, r3=80] [L89] COND TRUE i < nb VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043440026, b1=15794687, b2=61697, b3=241, carry=0, i=3, na=4, nb=4, partial_sum=14, r0=255, r1=80, r2=0, r3=80] [L90] COND FALSE !(i == (unsigned char)0) VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043440026, b1=15794687, b2=61697, b3=241, carry=0, i=3, na=4, nb=4, partial_sum=14, r0=255, r1=80, r2=0, r3=80] [L91] COND FALSE !(i == (unsigned char)1) VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043440026, b1=15794687, b2=61697, b3=241, carry=0, i=3, na=4, nb=4, partial_sum=14, r0=255, r1=80, r2=0, r3=80] [L92] COND FALSE !(i == (unsigned char)2) VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043440026, b1=15794687, b2=61697, b3=241, carry=0, i=3, na=4, nb=4, partial_sum=14, r0=255, r1=80, r2=0, r3=80] [L93] COND TRUE i == (unsigned char)3 VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043440026, b1=15794687, b2=61697, b3=241, carry=0, i=3, na=4, nb=4, partial_sum=14, r0=255, r1=80, r2=0, r3=80] [L93] EXPR partial_sum + b3 [L93] partial_sum = partial_sum + b3 VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043440026, b1=15794687, b2=61697, b3=241, carry=0, i=3, na=4, nb=4, partial_sum=255, r0=255, r1=80, r2=0, r3=80] [L95] COND FALSE !(partial_sum > ((unsigned char)255)) [L99] COND FALSE !(i == (unsigned char)0) [L100] COND FALSE !(i == (unsigned char)1) [L101] COND FALSE !(i == (unsigned char)2) [L102] COND TRUE i == (unsigned char)3 [L102] r3 = (unsigned char)partial_sum VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043440026, b1=15794687, b2=61697, b3=241, carry=0, i=3, na=4, nb=4, r0=255, r1=80, r2=0, r3=255] [L104] EXPR i + (unsigned char)1 [L104] i = i + (unsigned char)1 VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043440026, b1=15794687, b2=61697, b3=241, carry=0, i=4, na=4, nb=4, r0=255, r1=80, r2=0, r3=255] [L80] COND TRUE (i < na) || (i < nb) || (carry != (unsigned short)0) VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043440026, b1=15794687, b2=61697, b3=241, i=4, r0=255, r1=80, r2=0, r3=255] [L107] COND TRUE i < (unsigned char)4 VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043440026, b1=15794687, b2=61697, b3=241, r0=255, r1=80, r2=0, r3=255] [L116] EXPR r1 << 8U [L116] EXPR r0 | (r1 << 8U) VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043440026, b1=15794687, b2=61697, b3=241, r2=0, r3=255] [L116] EXPR r2 << 16U [L116] r0 | (r1 << 8U) | (r2 << 16U) VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043440026, b1=15794687, b2=61697, b3=241, r3=255] [L116] r3 << 24U VAL [a0=234770789, a1=917073, a2=3582, a3=13, b0=4043440026, b1=15794687, b2=61697, b3=241] - UnprovableResult [Line: 60]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 60]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 62]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 62]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 64]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 64]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 70]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 70]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 72]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 72]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 74]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 74]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 84]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 84]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 85]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 85]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 86]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 86]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 87]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 87]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 90]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 90]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 91]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 91]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 92]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 92]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 93]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 93]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 104]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 104]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 113]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 113]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 116]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 116]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 116]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 116]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 116]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 116]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 116]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 116]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 107 locations, 41 error locations. Started 1 CEGAR loops. OverallTime: 225.7s, OverallIterations: 22, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 14.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3825 SdHoareTripleChecker+Valid, 7.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3825 mSDsluCounter, 6123 SdHoareTripleChecker+Invalid, 6.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4494 mSDsCounter, 410 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4920 IncrementalHoareTripleChecker+Invalid, 5330 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 410 mSolverCounterUnsat, 1629 mSDtfsCounter, 4920 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1886 GetRequests, 1488 SyntacticMatches, 10 SemanticMatches, 388 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8554 ImplicationChecksByTransitivity, 187.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=810occurred in iteration=12, InterpolantAutomatonStates: 217, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 21 MinimizatonAttempts, 1487 StatesRemovedByMinimization, 19 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 2.3s SatisfiabilityAnalysisTime, 17.9s InterpolantComputationTime, 1986 NumberOfCodeBlocks, 1986 NumberOfCodeBlocksAsserted, 37 NumberOfCheckSat, 2242 ConstructedInterpolants, 0 QuantifiedInterpolants, 13295 SizeOfPredicates, 41 NumberOfNonLiveVariables, 2052 ConjunctsInSsa, 193 ConjunctsInUnsatCore, 42 InterpolantComputations, 16 PerfectInterpolantSequences, 1033/1448 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: OVERALL_TIME: 0.9s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 37, DAG_INTERPRETER_EARLY_EXITS: 10, TOOLS_POST_APPLICATIONS: 55, TOOLS_POST_TIME: 0.4s, TOOLS_POST_CALL_APPLICATIONS: 0, TOOLS_POST_CALL_TIME: 0.0s, TOOLS_POST_RETURN_APPLICATIONS: 0, TOOLS_POST_RETURN_TIME: 0.0s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 41, TOOLS_QUANTIFIERELIM_TIME: 0.4s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.0s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 81, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 8, DOMAIN_JOIN_TIME: 0.1s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME: 0.0s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 1, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 37, DOMAIN_ISBOTTOM_TIME: 0.1s, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME: 0.0s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 1, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME: 0.0s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.2s, DAG_COMPRESSION_PROCESSED_NODES: 7707, DAG_COMPRESSION_RETAINED_NODES: 236, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 05:39:04,142 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector/byte_add_1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash db53fe9124e215e75c7f288cadf12df33daef67c04c75ea6ca77bc804670a99c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:39:06,378 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:39:06,472 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-32bit-Taipan_Bitvector.epf [2024-11-09 05:39:06,479 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:39:06,480 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:39:06,520 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:39:06,522 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:39:06,523 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:39:06,524 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:39:06,526 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:39:06,527 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:39:06,527 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:39:06,528 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:39:06,528 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:39:06,532 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:39:06,533 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:39:06,533 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:39:06,534 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:39:06,534 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 05:39:06,534 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 05:39:06,534 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:39:06,535 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:39:06,535 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:39:06,535 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:39:06,535 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 05:39:06,536 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 05:39:06,536 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:39:06,536 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 05:39:06,536 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 05:39:06,537 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 05:39:06,537 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 05:39:06,537 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:39:06,537 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:39:06,537 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:39:06,538 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 05:39:06,538 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:39:06,538 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:39:06,541 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:39:06,541 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:39:06,542 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:39:06,543 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:39:06,543 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 05:39:06,544 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 05:39:06,555 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:39:06,555 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:39:06,555 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db53fe9124e215e75c7f288cadf12df33daef67c04c75ea6ca77bc804670a99c [2024-11-09 05:39:07,012 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:39:07,034 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:39:07,037 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:39:07,038 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:39:07,041 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:39:07,043 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/bitvector/byte_add_1-2.i Unable to find full path for "g++" [2024-11-09 05:39:09,180 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:39:09,478 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:39:09,478 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/sv-benchmarks/c/bitvector/byte_add_1-2.i [2024-11-09 05:39:09,487 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/data/971a0a515/e5a4cebd0a77495486b7ff059970261e/FLAGd9118e430 [2024-11-09 05:39:09,759 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/data/971a0a515/e5a4cebd0a77495486b7ff059970261e [2024-11-09 05:39:09,762 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:39:09,763 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:39:09,765 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:39:09,765 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:39:09,771 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:39:09,771 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:39:09" (1/1) ... [2024-11-09 05:39:09,773 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@765f6101 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:39:09, skipping insertion in model container [2024-11-09 05:39:09,773 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:39:09" (1/1) ... [2024-11-09 05:39:09,799 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:39:10,056 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:39:10,093 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:39:10,182 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:39:10,221 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:39:10,222 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:39:10 WrapperNode [2024-11-09 05:39:10,222 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:39:10,223 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:39:10,224 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:39:10,224 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:39:10,233 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:39:10" (1/1) ... [2024-11-09 05:39:10,245 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:39:10" (1/1) ... [2024-11-09 05:39:10,280 INFO L138 Inliner]: procedures = 16, calls = 9, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 164 [2024-11-09 05:39:10,280 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:39:10,281 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:39:10,281 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:39:10,282 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:39:10,293 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:39:10" (1/1) ... [2024-11-09 05:39:10,293 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:39:10" (1/1) ... [2024-11-09 05:39:10,303 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:39:10" (1/1) ... [2024-11-09 05:39:10,304 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:39:10" (1/1) ... [2024-11-09 05:39:10,320 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:39:10" (1/1) ... [2024-11-09 05:39:10,327 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:39:10" (1/1) ... [2024-11-09 05:39:10,333 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:39:10" (1/1) ... [2024-11-09 05:39:10,334 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:39:10" (1/1) ... [2024-11-09 05:39:10,340 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:39:10,341 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:39:10,341 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:39:10,342 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:39:10,345 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:39:10" (1/1) ... [2024-11-09 05:39:10,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:39:10,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:39:10,381 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:39:10,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:39:10,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:39:10,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 05:39:10,425 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:39:10,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:39:10,524 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:39:10,526 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:39:11,058 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-11-09 05:39:11,059 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:39:11,084 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:39:11,086 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 05:39:11,087 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:39:11 BoogieIcfgContainer [2024-11-09 05:39:11,087 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:39:11,089 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:39:11,089 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:39:11,093 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:39:11,093 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:39:09" (1/3) ... [2024-11-09 05:39:11,094 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@137763e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:39:11, skipping insertion in model container [2024-11-09 05:39:11,094 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:39:10" (2/3) ... [2024-11-09 05:39:11,095 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@137763e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:39:11, skipping insertion in model container [2024-11-09 05:39:11,095 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:39:11" (3/3) ... [2024-11-09 05:39:11,096 INFO L112 eAbstractionObserver]: Analyzing ICFG byte_add_1-2.i [2024-11-09 05:39:11,115 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:39:11,115 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 41 error locations. [2024-11-09 05:39:11,199 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:39:11,208 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;@715bff1b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:39:11,209 INFO L334 AbstractCegarLoop]: Starting to check reachability of 41 error locations. [2024-11-09 05:39:11,213 INFO L276 IsEmpty]: Start isEmpty. Operand has 124 states, 82 states have (on average 1.8780487804878048) internal successors, (154), 123 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:39:11,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-09 05:39:11,220 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:39:11,220 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-09 05:39:11,221 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-09 05:39:11,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:39:11,227 INFO L85 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2024-11-09 05:39:11,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:39:11,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1970421797] [2024-11-09 05:39:11,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:39:11,238 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 05:39:11,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:39:11,239 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 05:39:11,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-09 05:39:11,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:39:11,319 INFO L255 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 05:39:11,327 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:39:11,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:39:11,349 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:39:11,350 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:39:11,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1970421797] [2024-11-09 05:39:11,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1970421797] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:39:11,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:39:11,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-09 05:39:11,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095747668] [2024-11-09 05:39:11,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:39:11,364 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 05:39:11,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:39:11,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 05:39:11,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 05:39:11,397 INFO L87 Difference]: Start difference. First operand has 124 states, 82 states have (on average 1.8780487804878048) internal successors, (154), 123 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:39:11,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:39:11,416 INFO L93 Difference]: Finished difference Result 128 states and 157 transitions. [2024-11-09 05:39:11,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 05:39:11,418 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-11-09 05:39:11,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:39:11,427 INFO L225 Difference]: With dead ends: 128 [2024-11-09 05:39:11,428 INFO L226 Difference]: Without dead ends: 75 [2024-11-09 05:39:11,431 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 05:39:11,434 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:39:11,435 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 05:39:11,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2024-11-09 05:39:11,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2024-11-09 05:39:11,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 74 states have (on average 1.3918918918918919) internal successors, (103), 74 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:39:11,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 103 transitions. [2024-11-09 05:39:11,475 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 103 transitions. Word has length 4 [2024-11-09 05:39:11,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:39:11,478 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 103 transitions. [2024-11-09 05:39:11,478 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:39:11,478 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 103 transitions. [2024-11-09 05:39:11,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-09 05:39:11,479 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:39:11,479 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:39:11,487 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-09 05:39:11,680 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 05:39:11,681 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-09 05:39:11,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:39:11,681 INFO L85 PathProgramCache]: Analyzing trace with hash 204792652, now seen corresponding path program 1 times [2024-11-09 05:39:11,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:39:11,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [739122429] [2024-11-09 05:39:11,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:39:11,683 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 05:39:11,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:39:11,686 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 05:39:11,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-09 05:39:11,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:39:11,730 INFO L255 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 05:39:11,731 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:39:11,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:39:11,822 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:39:11,822 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:39:11,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [739122429] [2024-11-09 05:39:11,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [739122429] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:39:11,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:39:11,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 05:39:11,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868409974] [2024-11-09 05:39:11,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:39:11,824 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:39:11,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:39:11,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:39:11,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:39:11,830 INFO L87 Difference]: Start difference. First operand 75 states and 103 transitions. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:39:12,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:39:12,125 INFO L93 Difference]: Finished difference Result 193 states and 280 transitions. [2024-11-09 05:39:12,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:39:12,126 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2024-11-09 05:39:12,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:39:12,127 INFO L225 Difference]: With dead ends: 193 [2024-11-09 05:39:12,127 INFO L226 Difference]: Without dead ends: 140 [2024-11-09 05:39:12,128 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:39:12,129 INFO L432 NwaCegarLoop]: 122 mSDtfsCounter, 81 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:39:12,130 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 271 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 05:39:12,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2024-11-09 05:39:12,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 138. [2024-11-09 05:39:12,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 137 states have (on average 1.3722627737226278) internal successors, (188), 137 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:39:12,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 188 transitions. [2024-11-09 05:39:12,144 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 188 transitions. Word has length 17 [2024-11-09 05:39:12,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:39:12,145 INFO L471 AbstractCegarLoop]: Abstraction has 138 states and 188 transitions. [2024-11-09 05:39:12,145 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:39:12,146 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 188 transitions. [2024-11-09 05:39:12,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-09 05:39:12,147 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:39:12,147 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:39:12,152 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-09 05:39:12,347 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 05:39:12,348 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-09 05:39:12,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:39:12,349 INFO L85 PathProgramCache]: Analyzing trace with hash 410650920, now seen corresponding path program 1 times [2024-11-09 05:39:12,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:39:12,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2027941235] [2024-11-09 05:39:12,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:39:12,350 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 05:39:12,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:39:12,354 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 05:39:12,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-09 05:39:12,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:39:12,408 INFO L255 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 05:39:12,410 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:39:12,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:39:12,451 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:39:12,452 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:39:12,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2027941235] [2024-11-09 05:39:12,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2027941235] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:39:12,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:39:12,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:39:12,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816990227] [2024-11-09 05:39:12,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:39:12,455 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:39:12,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:39:12,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:39:12,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:39:12,458 INFO L87 Difference]: Start difference. First operand 138 states and 188 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:39:12,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:39:12,472 INFO L93 Difference]: Finished difference Result 156 states and 211 transitions. [2024-11-09 05:39:12,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:39:12,473 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2024-11-09 05:39:12,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:39:12,476 INFO L225 Difference]: With dead ends: 156 [2024-11-09 05:39:12,476 INFO L226 Difference]: Without dead ends: 84 [2024-11-09 05:39:12,477 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:39:12,478 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 90 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:39:12,480 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 90 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 05:39:12,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2024-11-09 05:39:12,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2024-11-09 05:39:12,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 83 states have (on average 1.3373493975903614) internal successors, (111), 83 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:39:12,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 111 transitions. [2024-11-09 05:39:12,491 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 111 transitions. Word has length 20 [2024-11-09 05:39:12,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:39:12,491 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 111 transitions. [2024-11-09 05:39:12,491 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:39:12,492 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 111 transitions. [2024-11-09 05:39:12,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-09 05:39:12,493 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:39:12,493 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:39:12,499 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-09 05:39:12,695 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 05:39:12,695 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-09 05:39:12,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:39:12,696 INFO L85 PathProgramCache]: Analyzing trace with hash 440224391, now seen corresponding path program 1 times [2024-11-09 05:39:12,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:39:12,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [282543834] [2024-11-09 05:39:12,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:39:12,697 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 05:39:12,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:39:12,702 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 05:39:12,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-09 05:39:12,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:39:12,754 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 05:39:12,756 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:39:12,830 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:39:12,833 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:39:12,833 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:39:12,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [282543834] [2024-11-09 05:39:12,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [282543834] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:39:12,834 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:39:12,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 05:39:12,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622411143] [2024-11-09 05:39:12,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:39:12,835 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:39:12,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:39:12,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:39:12,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:39:12,841 INFO L87 Difference]: Start difference. First operand 84 states and 111 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:39:13,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:39:13,046 INFO L93 Difference]: Finished difference Result 213 states and 290 transitions. [2024-11-09 05:39:13,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 05:39:13,048 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2024-11-09 05:39:13,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:39:13,049 INFO L225 Difference]: With dead ends: 213 [2024-11-09 05:39:13,049 INFO L226 Difference]: Without dead ends: 145 [2024-11-09 05:39:13,050 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:39:13,051 INFO L432 NwaCegarLoop]: 116 mSDtfsCounter, 52 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 246 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:39:13,051 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 246 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 05:39:13,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2024-11-09 05:39:13,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 140. [2024-11-09 05:39:13,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 139 states have (on average 1.3381294964028776) internal successors, (186), 139 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:39:13,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 186 transitions. [2024-11-09 05:39:13,075 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 186 transitions. Word has length 34 [2024-11-09 05:39:13,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:39:13,078 INFO L471 AbstractCegarLoop]: Abstraction has 140 states and 186 transitions. [2024-11-09 05:39:13,078 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:39:13,079 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 186 transitions. [2024-11-09 05:39:13,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-09 05:39:13,080 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:39:13,080 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:39:13,084 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2024-11-09 05:39:13,280 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 05:39:13,281 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-09 05:39:13,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:39:13,281 INFO L85 PathProgramCache]: Analyzing trace with hash 1390233254, now seen corresponding path program 1 times [2024-11-09 05:39:13,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:39:13,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1099088517] [2024-11-09 05:39:13,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:39:13,282 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 05:39:13,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:39:13,285 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 05:39:13,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-09 05:39:13,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:39:13,344 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 05:39:13,346 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:39:13,482 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:39:13,483 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:39:13,483 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:39:13,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1099088517] [2024-11-09 05:39:13,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1099088517] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:39:13,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:39:13,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 05:39:13,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575250295] [2024-11-09 05:39:13,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:39:13,487 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 05:39:13,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:39:13,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 05:39:13,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:39:13,495 INFO L87 Difference]: Start difference. First operand 140 states and 186 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:39:13,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:39:13,656 INFO L93 Difference]: Finished difference Result 261 states and 350 transitions. [2024-11-09 05:39:13,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 05:39:13,657 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2024-11-09 05:39:13,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:39:13,659 INFO L225 Difference]: With dead ends: 261 [2024-11-09 05:39:13,659 INFO L226 Difference]: Without dead ends: 195 [2024-11-09 05:39:13,661 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:39:13,665 INFO L432 NwaCegarLoop]: 150 mSDtfsCounter, 129 mSDsluCounter, 219 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 369 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:39:13,666 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 369 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:39:13,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2024-11-09 05:39:13,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 193. [2024-11-09 05:39:13,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 192 states have (on average 1.3385416666666667) internal successors, (257), 192 states have internal predecessors, (257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:39:13,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 257 transitions. [2024-11-09 05:39:13,689 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 257 transitions. Word has length 37 [2024-11-09 05:39:13,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:39:13,693 INFO L471 AbstractCegarLoop]: Abstraction has 193 states and 257 transitions. [2024-11-09 05:39:13,694 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:39:13,694 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 257 transitions. [2024-11-09 05:39:13,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-09 05:39:13,695 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:39:13,695 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:39:13,701 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-11-09 05:39:13,896 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 05:39:13,896 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-09 05:39:13,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:39:13,901 INFO L85 PathProgramCache]: Analyzing trace with hash 143683636, now seen corresponding path program 1 times [2024-11-09 05:39:13,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:39:13,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1022699093] [2024-11-09 05:39:13,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:39:13,902 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 05:39:13,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:39:13,903 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 05:39:13,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-09 05:39:13,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:39:13,950 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 05:39:13,952 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:39:14,035 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:39:14,035 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:39:14,035 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:39:14,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1022699093] [2024-11-09 05:39:14,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1022699093] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:39:14,036 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:39:14,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 05:39:14,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688330025] [2024-11-09 05:39:14,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:39:14,037 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 05:39:14,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:39:14,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 05:39:14,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-09 05:39:14,038 INFO L87 Difference]: Start difference. First operand 193 states and 257 transitions. Second operand has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:39:14,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:39:14,529 INFO L93 Difference]: Finished difference Result 473 states and 665 transitions. [2024-11-09 05:39:14,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 05:39:14,529 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2024-11-09 05:39:14,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:39:14,531 INFO L225 Difference]: With dead ends: 473 [2024-11-09 05:39:14,531 INFO L226 Difference]: Without dead ends: 306 [2024-11-09 05:39:14,533 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-09 05:39:14,535 INFO L432 NwaCegarLoop]: 167 mSDtfsCounter, 215 mSDsluCounter, 428 mSDsCounter, 0 mSdLazyCounter, 403 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 215 SdHoareTripleChecker+Valid, 595 SdHoareTripleChecker+Invalid, 434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 403 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 05:39:14,535 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [215 Valid, 595 Invalid, 434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 403 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 05:39:14,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2024-11-09 05:39:14,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 283. [2024-11-09 05:39:14,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 282 states have (on average 1.3652482269503545) internal successors, (385), 282 states have internal predecessors, (385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:39:14,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 385 transitions. [2024-11-09 05:39:14,565 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 385 transitions. Word has length 40 [2024-11-09 05:39:14,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:39:14,565 INFO L471 AbstractCegarLoop]: Abstraction has 283 states and 385 transitions. [2024-11-09 05:39:14,565 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:39:14,565 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 385 transitions. [2024-11-09 05:39:14,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-09 05:39:14,567 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:39:14,567 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:39:14,574 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2024-11-09 05:39:14,774 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 05:39:14,775 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-09 05:39:14,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:39:14,775 INFO L85 PathProgramCache]: Analyzing trace with hash -558479339, now seen corresponding path program 1 times [2024-11-09 05:39:14,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:39:14,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [4293934] [2024-11-09 05:39:14,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:39:14,776 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 05:39:14,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:39:14,777 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 05:39:14,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-11-09 05:39:14,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:39:14,823 INFO L255 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 05:39:14,825 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:39:14,947 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:39:14,947 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:39:14,948 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:39:14,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [4293934] [2024-11-09 05:39:14,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [4293934] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:39:14,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:39:14,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 05:39:14,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769660194] [2024-11-09 05:39:14,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:39:14,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 05:39:14,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:39:14,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 05:39:14,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:39:14,950 INFO L87 Difference]: Start difference. First operand 283 states and 385 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:39:15,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:39:15,105 INFO L93 Difference]: Finished difference Result 629 states and 901 transitions. [2024-11-09 05:39:15,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 05:39:15,106 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2024-11-09 05:39:15,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:39:15,107 INFO L225 Difference]: With dead ends: 629 [2024-11-09 05:39:15,107 INFO L226 Difference]: Without dead ends: 370 [2024-11-09 05:39:15,108 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:39:15,109 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 100 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:39:15,109 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 146 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:39:15,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2024-11-09 05:39:15,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 360. [2024-11-09 05:39:15,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 359 states have (on average 1.3008356545961002) internal successors, (467), 359 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:39:15,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 467 transitions. [2024-11-09 05:39:15,122 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 467 transitions. Word has length 40 [2024-11-09 05:39:15,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:39:15,123 INFO L471 AbstractCegarLoop]: Abstraction has 360 states and 467 transitions. [2024-11-09 05:39:15,123 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:39:15,123 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 467 transitions. [2024-11-09 05:39:15,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-09 05:39:15,125 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:39:15,125 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:39:15,130 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2024-11-09 05:39:15,326 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 05:39:15,326 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-09 05:39:15,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:39:15,327 INFO L85 PathProgramCache]: Analyzing trace with hash 64340135, now seen corresponding path program 1 times [2024-11-09 05:39:15,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:39:15,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [388883572] [2024-11-09 05:39:15,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:39:15,327 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 05:39:15,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:39:15,329 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 05:39:15,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-11-09 05:39:15,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:39:15,386 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 05:39:15,388 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:39:15,501 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-09 05:39:15,502 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:39:15,502 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:39:15,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [388883572] [2024-11-09 05:39:15,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [388883572] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:39:15,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:39:15,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 05:39:15,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504878387] [2024-11-09 05:39:15,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:39:15,506 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 05:39:15,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:39:15,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 05:39:15,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-09 05:39:15,509 INFO L87 Difference]: Start difference. First operand 360 states and 467 transitions. Second operand has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:39:15,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:39:15,745 INFO L93 Difference]: Finished difference Result 439 states and 572 transitions. [2024-11-09 05:39:15,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 05:39:15,746 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 59 [2024-11-09 05:39:15,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:39:15,747 INFO L225 Difference]: With dead ends: 439 [2024-11-09 05:39:15,748 INFO L226 Difference]: Without dead ends: 343 [2024-11-09 05:39:15,748 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-09 05:39:15,752 INFO L432 NwaCegarLoop]: 196 mSDtfsCounter, 216 mSDsluCounter, 615 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 811 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:39:15,753 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [216 Valid, 811 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 217 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 05:39:15,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2024-11-09 05:39:15,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 342. [2024-11-09 05:39:15,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 341 states have (on average 1.2903225806451613) internal successors, (440), 341 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:39:15,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 440 transitions. [2024-11-09 05:39:15,766 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 440 transitions. Word has length 59 [2024-11-09 05:39:15,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:39:15,766 INFO L471 AbstractCegarLoop]: Abstraction has 342 states and 440 transitions. [2024-11-09 05:39:15,767 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:39:15,767 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 440 transitions. [2024-11-09 05:39:15,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-09 05:39:15,768 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:39:15,769 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:39:15,772 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2024-11-09 05:39:15,969 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 05:39:15,970 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-09 05:39:15,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:39:15,970 INFO L85 PathProgramCache]: Analyzing trace with hash 1654047344, now seen corresponding path program 1 times [2024-11-09 05:39:15,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:39:15,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [824494799] [2024-11-09 05:39:15,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:39:15,971 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 05:39:15,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:39:15,974 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 05:39:15,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2024-11-09 05:39:16,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:39:16,025 INFO L255 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 05:39:16,027 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:39:16,271 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:39:16,273 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:39:16,443 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:39:16,444 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:39:16,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [824494799] [2024-11-09 05:39:16,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [824494799] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:39:16,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1496278970] [2024-11-09 05:39:16,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:39:16,445 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 05:39:16,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 05:39:16,448 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 05:39:16,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-09 05:39:16,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:39:16,545 INFO L255 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 05:39:16,547 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:39:16,573 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-09 05:39:16,573 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:39:16,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1496278970] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:39:16,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-09 05:39:16,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6, 6] total 11 [2024-11-09 05:39:16,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486534596] [2024-11-09 05:39:16,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:39:16,575 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:39:16,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:39:16,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:39:16,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-09 05:39:16,577 INFO L87 Difference]: Start difference. First operand 342 states and 440 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:39:16,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:39:16,604 INFO L93 Difference]: Finished difference Result 455 states and 584 transitions. [2024-11-09 05:39:16,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:39:16,605 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2024-11-09 05:39:16,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:39:16,607 INFO L225 Difference]: With dead ends: 455 [2024-11-09 05:39:16,608 INFO L226 Difference]: Without dead ends: 432 [2024-11-09 05:39:16,609 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-09 05:39:16,610 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 5 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:39:16,610 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 177 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 05:39:16,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2024-11-09 05:39:16,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 400. [2024-11-09 05:39:16,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 400 states, 399 states have (on average 1.2882205513784462) internal successors, (514), 399 states have internal predecessors, (514), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:39:16,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 514 transitions. [2024-11-09 05:39:16,636 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 514 transitions. Word has length 63 [2024-11-09 05:39:16,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:39:16,636 INFO L471 AbstractCegarLoop]: Abstraction has 400 states and 514 transitions. [2024-11-09 05:39:16,637 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:39:16,637 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 514 transitions. [2024-11-09 05:39:16,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-09 05:39:16,638 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:39:16,638 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:39:16,641 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-09 05:39:16,842 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2024-11-09 05:39:17,040 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 05:39:17,040 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-09 05:39:17,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:39:17,041 INFO L85 PathProgramCache]: Analyzing trace with hash -340097362, now seen corresponding path program 1 times [2024-11-09 05:39:17,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:39:17,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [854333804] [2024-11-09 05:39:17,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:39:17,042 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 05:39:17,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:39:17,043 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 05:39:17,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2024-11-09 05:39:17,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:39:17,108 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 05:39:17,110 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:39:17,354 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:39:17,354 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:39:17,520 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:39:17,520 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:39:17,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [854333804] [2024-11-09 05:39:17,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [854333804] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:39:17,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [289478800] [2024-11-09 05:39:17,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:39:17,521 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 05:39:17,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 05:39:17,524 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 05:39:17,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-09 05:39:17,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:39:17,649 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 05:39:17,651 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:39:17,914 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:39:17,915 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:39:18,046 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:39:18,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [289478800] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:39:18,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1143532746] [2024-11-09 05:39:18,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:39:18,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:39:18,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:39:18,050 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:39:18,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-09 05:39:18,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:39:18,117 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 05:39:18,119 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:39:18,184 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 05:39:18,184 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:39:18,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1143532746] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:39:18,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 4 imperfect interpolant sequences. [2024-11-09 05:39:18,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6, 6, 6, 6] total 12 [2024-11-09 05:39:18,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217860800] [2024-11-09 05:39:18,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:39:18,185 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:39:18,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:39:18,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:39:18,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2024-11-09 05:39:18,186 INFO L87 Difference]: Start difference. First operand 400 states and 514 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:39:18,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:39:18,397 INFO L93 Difference]: Finished difference Result 926 states and 1230 transitions. [2024-11-09 05:39:18,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:39:18,398 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2024-11-09 05:39:18,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:39:18,400 INFO L225 Difference]: With dead ends: 926 [2024-11-09 05:39:18,400 INFO L226 Difference]: Without dead ends: 550 [2024-11-09 05:39:18,401 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 310 GetRequests, 299 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2024-11-09 05:39:18,402 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 38 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:39:18,403 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 156 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 05:39:18,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550 states. [2024-11-09 05:39:18,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 504. [2024-11-09 05:39:18,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 504 states, 503 states have (on average 1.2504970178926442) internal successors, (629), 503 states have internal predecessors, (629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:39:18,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 504 states and 629 transitions. [2024-11-09 05:39:18,423 INFO L78 Accepts]: Start accepts. Automaton has 504 states and 629 transitions. Word has length 63 [2024-11-09 05:39:18,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:39:18,424 INFO L471 AbstractCegarLoop]: Abstraction has 504 states and 629 transitions. [2024-11-09 05:39:18,424 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:39:18,424 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 629 transitions. [2024-11-09 05:39:18,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-09 05:39:18,426 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:39:18,426 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:39:18,430 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-09 05:39:18,628 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2024-11-09 05:39:18,839 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-11-09 05:39:19,027 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:39:19,027 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-09 05:39:19,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:39:19,027 INFO L85 PathProgramCache]: Analyzing trace with hash 885820428, now seen corresponding path program 1 times [2024-11-09 05:39:19,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:39:19,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1229300974] [2024-11-09 05:39:19,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:39:19,028 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 05:39:19,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:39:19,029 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 05:39:19,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2024-11-09 05:39:19,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:39:19,080 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 05:39:19,081 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:39:19,321 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 05:39:19,322 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:39:19,483 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 05:39:19,483 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:39:19,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1229300974] [2024-11-09 05:39:19,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1229300974] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:39:19,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [843412034] [2024-11-09 05:39:19,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:39:19,483 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 05:39:19,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 05:39:19,486 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 05:39:19,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-09 05:39:19,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:39:19,615 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 05:39:19,617 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:39:19,818 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 05:39:19,818 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:39:19,960 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 05:39:19,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [843412034] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:39:19,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2132737254] [2024-11-09 05:39:19,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:39:19,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:39:19,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:39:19,963 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:39:19,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-09 05:39:20,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:39:20,034 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 05:39:20,036 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:39:20,139 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-09 05:39:20,139 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:39:20,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2132737254] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:39:20,139 INFO L185 FreeRefinementEngine]: Found 1 perfect and 4 imperfect interpolant sequences. [2024-11-09 05:39:20,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6, 6, 6, 6] total 11 [2024-11-09 05:39:20,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408189852] [2024-11-09 05:39:20,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:39:20,140 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:39:20,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:39:20,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:39:20,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-09 05:39:20,141 INFO L87 Difference]: Start difference. First operand 504 states and 629 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:39:20,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:39:20,251 INFO L93 Difference]: Finished difference Result 1074 states and 1374 transitions. [2024-11-09 05:39:20,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 05:39:20,252 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2024-11-09 05:39:20,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:39:20,254 INFO L225 Difference]: With dead ends: 1074 [2024-11-09 05:39:20,254 INFO L226 Difference]: Without dead ends: 567 [2024-11-09 05:39:20,255 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 361 GetRequests, 351 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-11-09 05:39:20,256 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 35 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:39:20,256 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 126 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:39:20,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 567 states. [2024-11-09 05:39:20,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 567 to 491. [2024-11-09 05:39:20,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 491 states, 490 states have (on average 1.2306122448979593) internal successors, (603), 490 states have internal predecessors, (603), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:39:20,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 603 transitions. [2024-11-09 05:39:20,272 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 603 transitions. Word has length 73 [2024-11-09 05:39:20,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:39:20,272 INFO L471 AbstractCegarLoop]: Abstraction has 491 states and 603 transitions. [2024-11-09 05:39:20,272 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:39:20,273 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 603 transitions. [2024-11-09 05:39:20,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-09 05:39:20,274 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:39:20,274 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:39:20,277 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Ended with exit code 0 [2024-11-09 05:39:20,478 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-09 05:39:20,689 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-11-09 05:39:20,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:39:20,877 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-09 05:39:20,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:39:20,877 INFO L85 PathProgramCache]: Analyzing trace with hash -2081037672, now seen corresponding path program 1 times [2024-11-09 05:39:20,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:39:20,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1353299518] [2024-11-09 05:39:20,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:39:20,878 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 05:39:20,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:39:20,879 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 05:39:20,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2024-11-09 05:39:20,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:39:20,937 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 05:39:20,939 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:39:21,079 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 37 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-09 05:39:21,079 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:39:21,234 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 32 proven. 9 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-09 05:39:21,235 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:39:21,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1353299518] [2024-11-09 05:39:21,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1353299518] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:39:21,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1819281913] [2024-11-09 05:39:21,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:39:21,236 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 05:39:21,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 05:39:21,239 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 05:39:21,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-09 05:39:21,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:39:21,382 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 05:39:21,384 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:39:21,501 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 37 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-09 05:39:21,502 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:39:21,601 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 32 proven. 9 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-09 05:39:21,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1819281913] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:39:21,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [898562116] [2024-11-09 05:39:21,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:39:21,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:39:21,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:39:21,604 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:39:21,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-09 05:39:21,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:39:21,675 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 05:39:21,677 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:39:21,816 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:39:21,816 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:39:21,875 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-09 05:39:21,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [898562116] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-09 05:39:21,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 5 imperfect interpolant sequences. [2024-11-09 05:39:21,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6, 6, 6, 6, 6] total 16 [2024-11-09 05:39:21,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392894986] [2024-11-09 05:39:21,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:39:21,877 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:39:21,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:39:21,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:39:21,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2024-11-09 05:39:21,878 INFO L87 Difference]: Start difference. First operand 491 states and 603 transitions. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:39:22,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:39:22,072 INFO L93 Difference]: Finished difference Result 1193 states and 1525 transitions. [2024-11-09 05:39:22,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:39:22,073 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2024-11-09 05:39:22,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:39:22,076 INFO L225 Difference]: With dead ends: 1193 [2024-11-09 05:39:22,076 INFO L226 Difference]: Without dead ends: 734 [2024-11-09 05:39:22,077 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 488 GetRequests, 473 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=220, Unknown=0, NotChecked=0, Total=272 [2024-11-09 05:39:22,077 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 100 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:39:22,078 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 101 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 05:39:22,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 734 states. [2024-11-09 05:39:22,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 734 to 618. [2024-11-09 05:39:22,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 618 states, 617 states have (on average 1.3079416531604537) internal successors, (807), 617 states have internal predecessors, (807), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:39:22,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 618 states and 807 transitions. [2024-11-09 05:39:22,099 INFO L78 Accepts]: Start accepts. Automaton has 618 states and 807 transitions. Word has length 82 [2024-11-09 05:39:22,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:39:22,099 INFO L471 AbstractCegarLoop]: Abstraction has 618 states and 807 transitions. [2024-11-09 05:39:22,100 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:39:22,100 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 807 transitions. [2024-11-09 05:39:22,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-09 05:39:22,105 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:39:22,106 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:39:22,110 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-11-09 05:39:22,319 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-09 05:39:22,509 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2024-11-09 05:39:22,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 05:39:22,707 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-09 05:39:22,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:39:22,708 INFO L85 PathProgramCache]: Analyzing trace with hash 2016464131, now seen corresponding path program 1 times [2024-11-09 05:39:22,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:39:22,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [25797426] [2024-11-09 05:39:22,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:39:22,709 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 05:39:22,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:39:22,712 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 05:39:22,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2024-11-09 05:39:22,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:39:22,776 INFO L255 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 05:39:22,778 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:39:22,919 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 61 proven. 4 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-11-09 05:39:22,919 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:39:23,058 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 56 proven. 9 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-11-09 05:39:23,059 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:39:23,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [25797426] [2024-11-09 05:39:23,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [25797426] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:39:23,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1250803341] [2024-11-09 05:39:23,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:39:23,060 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 05:39:23,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 05:39:23,065 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 05:39:23,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-09 05:39:23,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:39:23,210 INFO L255 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 05:39:23,212 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:39:23,334 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 61 proven. 4 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-11-09 05:39:23,335 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:39:23,434 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 56 proven. 9 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-11-09 05:39:23,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1250803341] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:39:23,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1906468688] [2024-11-09 05:39:23,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:39:23,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:39:23,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:39:23,437 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:39:23,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-09 05:39:23,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:39:23,519 INFO L255 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 05:39:23,521 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:39:23,801 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 33 proven. 28 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-09 05:39:23,802 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:39:24,129 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-09 05:39:24,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1906468688] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:39:24,129 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2024-11-09 05:39:24,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6, 6, 6, 6] total 20 [2024-11-09 05:39:24,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423745980] [2024-11-09 05:39:24,130 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2024-11-09 05:39:24,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-09 05:39:24,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:39:24,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-09 05:39:24,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=320, Unknown=0, NotChecked=0, Total=380 [2024-11-09 05:39:24,132 INFO L87 Difference]: Start difference. First operand 618 states and 807 transitions. Second operand has 20 states, 20 states have (on average 14.65) internal successors, (293), 20 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:39:27,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:39:27,182 INFO L93 Difference]: Finished difference Result 4484 states and 5672 transitions. [2024-11-09 05:39:27,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-11-09 05:39:27,182 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 14.65) internal successors, (293), 20 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 99 [2024-11-09 05:39:27,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:39:27,194 INFO L225 Difference]: With dead ends: 4484 [2024-11-09 05:39:27,194 INFO L226 Difference]: Without dead ends: 3839 [2024-11-09 05:39:27,196 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 628 GetRequests, 570 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 753 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=855, Invalid=2685, Unknown=0, NotChecked=0, Total=3540 [2024-11-09 05:39:27,197 INFO L432 NwaCegarLoop]: 227 mSDtfsCounter, 1106 mSDsluCounter, 1677 mSDsCounter, 0 mSdLazyCounter, 1341 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1106 SdHoareTripleChecker+Valid, 1904 SdHoareTripleChecker+Invalid, 1355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 1341 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:39:27,197 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1106 Valid, 1904 Invalid, 1355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 1341 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-09 05:39:27,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3839 states. [2024-11-09 05:39:27,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3839 to 1036. [2024-11-09 05:39:27,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1036 states, 1035 states have (on average 1.382608695652174) internal successors, (1431), 1035 states have internal predecessors, (1431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:39:27,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1036 states to 1036 states and 1431 transitions. [2024-11-09 05:39:27,259 INFO L78 Accepts]: Start accepts. Automaton has 1036 states and 1431 transitions. Word has length 99 [2024-11-09 05:39:27,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:39:27,260 INFO L471 AbstractCegarLoop]: Abstraction has 1036 states and 1431 transitions. [2024-11-09 05:39:27,260 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 14.65) internal successors, (293), 20 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:39:27,260 INFO L276 IsEmpty]: Start isEmpty. Operand 1036 states and 1431 transitions. [2024-11-09 05:39:27,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-09 05:39:27,262 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:39:27,263 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:39:27,266 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-11-09 05:39:27,475 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-11-09 05:39:27,665 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2024-11-09 05:39:27,863 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 05:39:27,864 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-09 05:39:27,864 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:39:27,864 INFO L85 PathProgramCache]: Analyzing trace with hash 512258145, now seen corresponding path program 1 times [2024-11-09 05:39:27,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:39:27,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [468252767] [2024-11-09 05:39:27,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:39:27,865 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 05:39:27,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:39:27,868 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 05:39:27,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2024-11-09 05:39:27,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:39:27,936 INFO L255 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 05:39:27,938 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:39:28,186 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 71 proven. 27 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-09 05:39:28,186 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:39:28,344 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 63 proven. 35 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-09 05:39:28,344 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:39:28,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [468252767] [2024-11-09 05:39:28,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [468252767] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:39:28,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1228629154] [2024-11-09 05:39:28,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:39:28,345 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 05:39:28,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 05:39:28,346 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 05:39:28,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-09 05:39:28,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:39:28,493 INFO L255 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 05:39:28,495 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:39:28,735 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 63 proven. 35 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-09 05:39:28,735 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:39:28,850 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 63 proven. 35 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-09 05:39:28,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1228629154] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:39:28,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [103798790] [2024-11-09 05:39:28,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:39:28,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:39:28,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:39:28,852 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:39:28,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-09 05:39:28,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:39:28,917 INFO L255 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 05:39:28,918 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:39:29,096 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 33 proven. 73 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:39:29,097 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:39:29,224 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-11-09 05:39:29,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [103798790] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-09 05:39:29,224 INFO L185 FreeRefinementEngine]: Found 1 perfect and 5 imperfect interpolant sequences. [2024-11-09 05:39:29,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7, 7, 7, 7, 7] total 20 [2024-11-09 05:39:29,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848824312] [2024-11-09 05:39:29,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:39:29,225 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 05:39:29,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:39:29,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 05:39:29,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=303, Unknown=0, NotChecked=0, Total=380 [2024-11-09 05:39:29,226 INFO L87 Difference]: Start difference. First operand 1036 states and 1431 transitions. Second operand has 5 states, 5 states have (on average 17.4) internal successors, (87), 5 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:39:29,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:39:29,484 INFO L93 Difference]: Finished difference Result 2070 states and 2846 transitions. [2024-11-09 05:39:29,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 05:39:29,484 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 5 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2024-11-09 05:39:29,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:39:29,489 INFO L225 Difference]: With dead ends: 2070 [2024-11-09 05:39:29,490 INFO L226 Difference]: Without dead ends: 1523 [2024-11-09 05:39:29,491 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 632 GetRequests, 612 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=330, Unknown=0, NotChecked=0, Total=420 [2024-11-09 05:39:29,491 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 119 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:39:29,492 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 113 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 05:39:29,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1523 states. [2024-11-09 05:39:29,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1523 to 1314. [2024-11-09 05:39:29,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1314 states, 1313 states have (on average 1.3792840822543793) internal successors, (1811), 1313 states have internal predecessors, (1811), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:39:29,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1314 states to 1314 states and 1811 transitions. [2024-11-09 05:39:29,551 INFO L78 Accepts]: Start accepts. Automaton has 1314 states and 1811 transitions. Word has length 106 [2024-11-09 05:39:29,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:39:29,551 INFO L471 AbstractCegarLoop]: Abstraction has 1314 states and 1811 transitions. [2024-11-09 05:39:29,552 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 5 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:39:29,552 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states and 1811 transitions. [2024-11-09 05:39:29,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-09 05:39:29,554 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:39:29,554 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:39:29,557 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (24)] Ended with exit code 0 [2024-11-09 05:39:29,770 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-11-09 05:39:29,959 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (25)] Forceful destruction successful, exit code 0 [2024-11-09 05:39:30,157 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt [2024-11-09 05:39:30,158 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2024-11-09 05:39:30,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:39:30,158 INFO L85 PathProgramCache]: Analyzing trace with hash -1344890926, now seen corresponding path program 1 times [2024-11-09 05:39:30,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:39:30,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1000243213] [2024-11-09 05:39:30,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:39:30,159 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 05:39:30,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:39:30,160 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 05:39:30,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (27)] Waiting until timeout for monitored process [2024-11-09 05:39:30,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 05:39:30,214 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 05:39:30,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 05:39:30,305 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2024-11-09 05:39:30,305 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 05:39:30,306 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 41 remaining) [2024-11-09 05:39:30,308 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 41 remaining) [2024-11-09 05:39:30,309 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 41 remaining) [2024-11-09 05:39:30,309 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 41 remaining) [2024-11-09 05:39:30,309 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 41 remaining) [2024-11-09 05:39:30,309 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 41 remaining) [2024-11-09 05:39:30,309 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 41 remaining) [2024-11-09 05:39:30,309 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 41 remaining) [2024-11-09 05:39:30,310 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 41 remaining) [2024-11-09 05:39:30,310 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 41 remaining) [2024-11-09 05:39:30,310 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 41 remaining) [2024-11-09 05:39:30,310 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 41 remaining) [2024-11-09 05:39:30,310 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 41 remaining) [2024-11-09 05:39:30,311 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 41 remaining) [2024-11-09 05:39:30,311 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 41 remaining) [2024-11-09 05:39:30,311 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 41 remaining) [2024-11-09 05:39:30,311 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 41 remaining) [2024-11-09 05:39:30,311 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 41 remaining) [2024-11-09 05:39:30,311 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 41 remaining) [2024-11-09 05:39:30,312 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 41 remaining) [2024-11-09 05:39:30,312 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 41 remaining) [2024-11-09 05:39:30,312 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 41 remaining) [2024-11-09 05:39:30,312 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 41 remaining) [2024-11-09 05:39:30,312 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 41 remaining) [2024-11-09 05:39:30,313 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 41 remaining) [2024-11-09 05:39:30,313 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 41 remaining) [2024-11-09 05:39:30,313 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 41 remaining) [2024-11-09 05:39:30,313 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 41 remaining) [2024-11-09 05:39:30,313 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 41 remaining) [2024-11-09 05:39:30,313 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 41 remaining) [2024-11-09 05:39:30,313 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 41 remaining) [2024-11-09 05:39:30,314 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 41 remaining) [2024-11-09 05:39:30,314 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 41 remaining) [2024-11-09 05:39:30,314 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 41 remaining) [2024-11-09 05:39:30,314 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 41 remaining) [2024-11-09 05:39:30,314 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 41 remaining) [2024-11-09 05:39:30,314 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 41 remaining) [2024-11-09 05:39:30,314 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 41 remaining) [2024-11-09 05:39:30,315 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 41 remaining) [2024-11-09 05:39:30,315 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 41 remaining) [2024-11-09 05:39:30,315 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 41 remaining) [2024-11-09 05:39:30,318 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (27)] Ended with exit code 0 [2024-11-09 05:39:30,515 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 05:39:30,518 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:39:30,614 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 05:39:30,619 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 05:39:30 BoogieIcfgContainer [2024-11-09 05:39:30,620 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 05:39:30,620 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 05:39:30,620 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 05:39:30,620 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 05:39:30,621 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:39:11" (3/4) ... [2024-11-09 05:39:30,622 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-09 05:39:30,730 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/witness.graphml [2024-11-09 05:39:30,731 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 05:39:30,732 INFO L158 Benchmark]: Toolchain (without parser) took 20968.71ms. Allocated memory was 73.4MB in the beginning and 176.2MB in the end (delta: 102.8MB). Free memory was 48.9MB in the beginning and 146.7MB in the end (delta: -97.8MB). Peak memory consumption was 107.6MB. Max. memory is 16.1GB. [2024-11-09 05:39:30,732 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 73.4MB. Free memory was 49.3MB in the beginning and 49.2MB in the end (delta: 86.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:39:30,732 INFO L158 Benchmark]: CACSL2BoogieTranslator took 458.12ms. Allocated memory was 73.4MB in the beginning and 100.7MB in the end (delta: 27.3MB). Free memory was 48.7MB in the beginning and 76.5MB in the end (delta: -27.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 05:39:30,733 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.24ms. Allocated memory is still 100.7MB. Free memory was 76.5MB in the beginning and 74.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 05:39:30,733 INFO L158 Benchmark]: Boogie Preprocessor took 59.19ms. Allocated memory is still 100.7MB. Free memory was 74.4MB in the beginning and 72.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 05:39:30,733 INFO L158 Benchmark]: RCFGBuilder took 745.87ms. Allocated memory is still 100.7MB. Free memory was 72.4MB in the beginning and 73.4MB in the end (delta: -1.0MB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. [2024-11-09 05:39:30,734 INFO L158 Benchmark]: TraceAbstraction took 19530.53ms. Allocated memory was 100.7MB in the beginning and 176.2MB in the end (delta: 75.5MB). Free memory was 73.0MB in the beginning and 57.6MB in the end (delta: 15.4MB). Peak memory consumption was 89.7MB. Max. memory is 16.1GB. [2024-11-09 05:39:30,734 INFO L158 Benchmark]: Witness Printer took 110.97ms. Allocated memory is still 176.2MB. Free memory was 57.6MB in the beginning and 146.7MB in the end (delta: -89.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 05:39:30,736 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 73.4MB. Free memory was 49.3MB in the beginning and 49.2MB in the end (delta: 86.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 458.12ms. Allocated memory was 73.4MB in the beginning and 100.7MB in the end (delta: 27.3MB). Free memory was 48.7MB in the beginning and 76.5MB in the end (delta: -27.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.24ms. Allocated memory is still 100.7MB. Free memory was 76.5MB in the beginning and 74.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.19ms. Allocated memory is still 100.7MB. Free memory was 74.4MB in the beginning and 72.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 745.87ms. Allocated memory is still 100.7MB. Free memory was 72.4MB in the beginning and 73.4MB in the end (delta: -1.0MB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. * TraceAbstraction took 19530.53ms. Allocated memory was 100.7MB in the beginning and 176.2MB in the end (delta: 75.5MB). Free memory was 73.0MB in the beginning and 57.6MB in the end (delta: 15.4MB). Peak memory consumption was 89.7MB. Max. memory is 16.1GB. * Witness Printer took 110.97ms. Allocated memory is still 176.2MB. Free memory was 57.6MB in the beginning and 146.7MB in the end (delta: -89.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 116]: integer overflow possible integer overflow possible We found a FailurePath: [L124] unsigned int a, b, r; [L126] b = __VERIFIER_nondet_uint() [L128] a = 234770789 [L130] CALL mp_add(a, b) [L42] unsigned char a0, a1, a2, a3; [L43] unsigned char b0, b1, b2, b3; [L44] unsigned char r0, r1, r2, r3; [L45] unsigned short carry; [L46] unsigned short partial_sum; [L47] unsigned int r; [L48] unsigned char i; [L49] unsigned char na, nb; [L50] a0 = a [L51] a1 = a >> 8 [L52] a2 = a >> 16U [L53] a3 = a >> 24U [L54] b0 = b [L55] b1 = b >> 8U [L56] b2 = b >> 16U [L57] b3 = b >> 24U [L58] na = (unsigned char)4 VAL [a0=101, a1=81, a2=-2, a3=13, b0=-64, b1=-64, b2=-128, b3=-128, na=4] [L59] COND FALSE !(a3 == (unsigned char)0) VAL [a0=101, a1=81, a2=-2, a3=13, b0=-64, b1=-64, b2=-128, b3=-128, na=4] [L68] nb = (unsigned char)4 VAL [a0=101, a1=81, a2=-2, a3=13, b0=-64, b1=-64, b2=-128, b3=-128, na=4, nb=4] [L69] COND FALSE !(b3 == (unsigned char)0) VAL [a0=101, a1=81, a2=-2, a3=13, b0=-64, b1=-64, b2=-128, b3=-128, na=4, nb=4] [L78] carry = (unsigned short)0 [L79] i = (unsigned char)0 VAL [a0=101, a1=81, a2=-2, a3=13, b0=-64, b1=-64, b2=-128, b3=-128, carry=0, i=0, na=4, nb=4] [L80] COND FALSE !((i < na) || (i < nb) || (carry != (unsigned short)0)) VAL [a0=101, a1=81, a2=-2, a3=13, b0=-64, b1=-64, b2=-128, b3=-128, carry=0, i=0, na=4, nb=4] [L80] COND TRUE (i < na) || (i < nb) || (carry != (unsigned short)0) [L81] partial_sum = carry [L82] carry = (unsigned short)0 VAL [a0=101, a1=81, a2=-2, a3=13, b0=-64, b1=-64, b2=-128, b3=-128, carry=0, i=0, na=4, nb=4, partial_sum=0] [L83] COND TRUE i < na VAL [a0=101, a1=81, a2=-2, a3=13, b0=-64, b1=-64, b2=-128, b3=-128, carry=0, i=0, na=4, nb=4, partial_sum=0] [L84] COND TRUE i == (unsigned char)0 VAL [a0=101, a1=81, a2=-2, a3=13, b0=-64, b1=-64, b2=-128, b3=-128, carry=0, i=0, na=4, nb=4, partial_sum=0] [L84] EXPR partial_sum + a0 [L84] partial_sum = partial_sum + a0 VAL [a0=101, a1=81, a2=-2, a3=13, b0=-64, b1=-64, b2=-128, b3=-128, carry=0, i=0, na=4, nb=4, partial_sum=101] [L85] COND FALSE !(i == (unsigned char)1) VAL [a0=101, a1=81, a2=-2, a3=13, b0=-64, b1=-64, b2=-128, b3=-128, carry=0, i=0, na=4, nb=4, partial_sum=101] [L86] COND FALSE !(i == (unsigned char)2) VAL [a0=101, a1=81, a2=-2, a3=13, b0=-64, b1=-64, b2=-128, b3=-128, carry=0, i=0, na=4, nb=4, partial_sum=101] [L87] COND FALSE !(i == (unsigned char)3) VAL [a0=101, a1=81, a2=-2, a3=13, b0=-64, b1=-64, b2=-128, b3=-128, carry=0, i=0, na=4, nb=4, partial_sum=101] [L89] COND TRUE i < nb VAL [a0=101, a1=81, a2=-2, a3=13, b0=-64, b1=-64, b2=-128, b3=-128, carry=0, i=0, na=4, nb=4, partial_sum=101] [L90] COND TRUE i == (unsigned char)0 VAL [a0=101, a1=81, a2=-2, a3=13, b0=-64, b1=-64, b2=-128, b3=-128, carry=0, i=0, na=4, nb=4, partial_sum=101] [L90] EXPR partial_sum + b0 [L90] partial_sum = partial_sum + b0 VAL [a0=101, a1=81, a2=-2, a3=13, b0=-64, b1=-64, b2=-128, b3=-128, carry=0, i=0, na=4, nb=4, partial_sum=293] [L91] COND FALSE !(i == (unsigned char)1) VAL [a0=101, a1=81, a2=-2, a3=13, b0=-64, b1=-64, b2=-128, b3=-128, carry=0, i=0, na=4, nb=4, partial_sum=293] [L92] COND FALSE !(i == (unsigned char)2) VAL [a0=101, a1=81, a2=-2, a3=13, b0=-64, b1=-64, b2=-128, b3=-128, carry=0, i=0, na=4, nb=4, partial_sum=293] [L93] COND FALSE !(i == (unsigned char)3) VAL [a0=101, a1=81, a2=-2, a3=13, b0=-64, b1=-64, b2=-128, b3=-128, carry=0, i=0, na=4, nb=4, partial_sum=293] [L95] COND TRUE partial_sum > ((unsigned char)255) [L96] partial_sum = partial_sum & ((unsigned char)255) [L97] carry = (unsigned short)1 VAL [a0=101, a1=81, a2=-2, a3=13, b0=-64, b1=-64, b2=-128, b3=-128, carry=1, i=0, na=4, nb=4, partial_sum=37] [L99] COND TRUE i == (unsigned char)0 [L99] r0 = (unsigned char)partial_sum VAL [a0=101, a1=81, a2=-2, a3=13, b0=-64, b1=-64, b2=-128, b3=-128, carry=1, i=0, na=4, nb=4, partial_sum=37, r0=37] [L100] COND FALSE !(i == (unsigned char)1) VAL [a0=101, a1=81, a2=-2, a3=13, b0=-64, b1=-64, b2=-128, b3=-128, carry=1, i=0, na=4, nb=4, partial_sum=37, r0=37] [L101] COND FALSE !(i == (unsigned char)2) VAL [a0=101, a1=81, a2=-2, a3=13, b0=-64, b1=-64, b2=-128, b3=-128, carry=1, i=0, na=4, nb=4, partial_sum=37, r0=37] [L102] COND FALSE !(i == (unsigned char)3) VAL [a0=101, a1=81, a2=-2, a3=13, b0=-64, b1=-64, b2=-128, b3=-128, carry=1, i=0, na=4, nb=4, partial_sum=37, r0=37] [L104] EXPR i + (unsigned char)1 [L104] i = i + (unsigned char)1 VAL [a0=101, a1=81, a2=-2, a3=13, b0=-64, b1=-64, b2=-128, b3=-128, carry=1, i=1, na=4, nb=4, partial_sum=37, r0=37] [L80] COND FALSE !((i < na) || (i < nb) || (carry != (unsigned short)0)) VAL [a0=101, a1=81, a2=-2, a3=13, b0=-64, b1=-64, b2=-128, b3=-128, carry=1, i=1, na=4, nb=4, partial_sum=37, r0=37] [L80] COND TRUE (i < na) || (i < nb) || (carry != (unsigned short)0) [L81] partial_sum = carry [L82] carry = (unsigned short)0 VAL [a0=101, a1=81, a2=-2, a3=13, b0=-64, b1=-64, b2=-128, b3=-128, carry=0, i=1, na=4, nb=4, partial_sum=1, r0=37] [L83] COND TRUE i < na VAL [a0=101, a1=81, a2=-2, a3=13, b0=-64, b1=-64, b2=-128, b3=-128, carry=0, i=1, na=4, nb=4, partial_sum=1, r0=37] [L84] COND FALSE !(i == (unsigned char)0) VAL [a0=101, a1=81, a2=-2, a3=13, b0=-64, b1=-64, b2=-128, b3=-128, carry=0, i=1, na=4, nb=4, partial_sum=1, r0=37] [L85] COND TRUE i == (unsigned char)1 VAL [a0=101, a1=81, a2=-2, a3=13, b0=-64, b1=-64, b2=-128, b3=-128, carry=0, i=1, na=4, nb=4, partial_sum=1, r0=37] [L85] EXPR partial_sum + a1 [L85] partial_sum = partial_sum + a1 VAL [a0=101, a1=81, a2=-2, a3=13, b0=-64, b1=-64, b2=-128, b3=-128, carry=0, i=1, na=4, nb=4, partial_sum=82, r0=37] [L86] COND FALSE !(i == (unsigned char)2) VAL [a0=101, a1=81, a2=-2, a3=13, b0=-64, b1=-64, b2=-128, b3=-128, carry=0, i=1, na=4, nb=4, partial_sum=82, r0=37] [L87] COND FALSE !(i == (unsigned char)3) VAL [a0=101, a1=81, a2=-2, a3=13, b0=-64, b1=-64, b2=-128, b3=-128, carry=0, i=1, na=4, nb=4, partial_sum=82, r0=37] [L89] COND TRUE i < nb VAL [a0=101, a1=81, a2=-2, a3=13, b0=-64, b1=-64, b2=-128, b3=-128, carry=0, i=1, na=4, nb=4, partial_sum=82, r0=37] [L90] COND FALSE !(i == (unsigned char)0) VAL [a0=101, a1=81, a2=-2, a3=13, b0=-64, b1=-64, b2=-128, b3=-128, carry=0, i=1, na=4, nb=4, partial_sum=82, r0=37] [L91] COND TRUE i == (unsigned char)1 VAL [a0=101, a1=81, a2=-2, a3=13, b0=-64, b1=-64, b2=-128, b3=-128, carry=0, i=1, na=4, nb=4, partial_sum=82, r0=37] [L91] EXPR partial_sum + b1 [L91] partial_sum = partial_sum + b1 VAL [a0=101, a1=81, a2=-2, a3=13, b0=-64, b1=-64, b2=-128, b3=-128, carry=0, i=1, na=4, nb=4, partial_sum=274, r0=37] [L92] COND FALSE !(i == (unsigned char)2) VAL [a0=101, a1=81, a2=-2, a3=13, b0=-64, b1=-64, b2=-128, b3=-128, carry=0, i=1, na=4, nb=4, partial_sum=274, r0=37] [L93] COND FALSE !(i == (unsigned char)3) VAL [a0=101, a1=81, a2=-2, a3=13, b0=-64, b1=-64, b2=-128, b3=-128, carry=0, i=1, na=4, nb=4, partial_sum=274, r0=37] [L95] COND TRUE partial_sum > ((unsigned char)255) [L96] partial_sum = partial_sum & ((unsigned char)255) [L97] carry = (unsigned short)1 VAL [a0=101, a1=81, a2=-2, a3=13, b0=-64, b1=-64, b2=-128, b3=-128, carry=1, i=1, na=4, nb=4, partial_sum=18, r0=37] [L99] COND FALSE !(i == (unsigned char)0) VAL [a0=101, a1=81, a2=-2, a3=13, b0=-64, b1=-64, b2=-128, b3=-128, carry=1, i=1, na=4, nb=4, partial_sum=18, r0=37] [L100] COND TRUE i == (unsigned char)1 [L100] r1 = (unsigned char)partial_sum VAL [a0=101, a1=81, a2=-2, a3=13, b0=-64, b1=-64, b2=-128, b3=-128, carry=1, i=1, na=4, nb=4, partial_sum=18, r0=37, r1=18] [L101] COND FALSE !(i == (unsigned char)2) VAL [a0=101, a1=81, a2=-2, a3=13, b0=-64, b1=-64, b2=-128, b3=-128, carry=1, i=1, na=4, nb=4, partial_sum=18, r0=37, r1=18] [L102] COND FALSE !(i == (unsigned char)3) VAL [a0=101, a1=81, a2=-2, a3=13, b0=-64, b1=-64, b2=-128, b3=-128, carry=1, i=1, na=4, nb=4, partial_sum=18, r0=37, r1=18] [L104] EXPR i + (unsigned char)1 [L104] i = i + (unsigned char)1 VAL [a0=101, a1=81, a2=-2, a3=13, b0=-64, b1=-64, b2=-128, b3=-128, carry=1, i=2, na=4, nb=4, partial_sum=18, r0=37, r1=18] [L80] COND FALSE !((i < na) || (i < nb) || (carry != (unsigned short)0)) VAL [a0=101, a1=81, a2=-2, a3=13, b0=-64, b1=-64, b2=-128, b3=-128, carry=1, i=2, na=4, nb=4, partial_sum=18, r0=37, r1=18] [L80] COND TRUE (i < na) || (i < nb) || (carry != (unsigned short)0) [L81] partial_sum = carry [L82] carry = (unsigned short)0 VAL [a0=101, a1=81, a2=-2, a3=13, b0=-64, b1=-64, b2=-128, b3=-128, carry=0, i=2, na=4, nb=4, partial_sum=1, r0=37, r1=18] [L83] COND TRUE i < na VAL [a0=101, a1=81, a2=-2, a3=13, b0=-64, b1=-64, b2=-128, b3=-128, carry=0, i=2, na=4, nb=4, partial_sum=1, r0=37, r1=18] [L84] COND FALSE !(i == (unsigned char)0) VAL [a0=101, a1=81, a2=-2, a3=13, b0=-64, b1=-64, b2=-128, b3=-128, carry=0, i=2, na=4, nb=4, partial_sum=1, r0=37, r1=18] [L85] COND FALSE !(i == (unsigned char)1) VAL [a0=101, a1=81, a2=-2, a3=13, b0=-64, b1=-64, b2=-128, b3=-128, carry=0, i=2, na=4, nb=4, partial_sum=1, r0=37, r1=18] [L86] COND TRUE i == (unsigned char)2 VAL [a0=101, a1=81, a2=-2, a3=13, b0=-64, b1=-64, b2=-128, b3=-128, carry=0, i=2, na=4, nb=4, partial_sum=1, r0=37, r1=18] [L86] EXPR partial_sum + a2 [L86] partial_sum = partial_sum + a2 VAL [a0=101, a1=81, a2=-2, a3=13, b0=-64, b1=-64, b2=-128, b3=-128, carry=0, i=2, na=4, nb=4, partial_sum=255, r0=37, r1=18] [L87] COND FALSE !(i == (unsigned char)3) VAL [a0=101, a1=81, a2=-2, a3=13, b0=-64, b1=-64, b2=-128, b3=-128, carry=0, i=2, na=4, nb=4, partial_sum=255, r0=37, r1=18] [L89] COND TRUE i < nb VAL [a0=101, a1=81, a2=-2, a3=13, b0=-64, b1=-64, b2=-128, b3=-128, carry=0, i=2, na=4, nb=4, partial_sum=255, r0=37, r1=18] [L90] COND FALSE !(i == (unsigned char)0) VAL [a0=101, a1=81, a2=-2, a3=13, b0=-64, b1=-64, b2=-128, b3=-128, carry=0, i=2, na=4, nb=4, partial_sum=255, r0=37, r1=18] [L91] COND FALSE !(i == (unsigned char)1) VAL [a0=101, a1=81, a2=-2, a3=13, b0=-64, b1=-64, b2=-128, b3=-128, carry=0, i=2, na=4, nb=4, partial_sum=255, r0=37, r1=18] [L92] COND TRUE i == (unsigned char)2 VAL [a0=101, a1=81, a2=-2, a3=13, b0=-64, b1=-64, b2=-128, b3=-128, carry=0, i=2, na=4, nb=4, partial_sum=255, r0=37, r1=18] [L92] EXPR partial_sum + b2 [L92] partial_sum = partial_sum + b2 VAL [a0=101, a1=81, a2=-2, a3=13, b0=-64, b1=-64, b2=-128, b3=-128, carry=0, i=2, na=4, nb=4, partial_sum=383, r0=37, r1=18] [L93] COND FALSE !(i == (unsigned char)3) VAL [a0=101, a1=81, a2=-2, a3=13, b0=-64, b1=-64, b2=-128, b3=-128, carry=0, i=2, na=4, nb=4, partial_sum=383, r0=37, r1=18] [L95] COND TRUE partial_sum > ((unsigned char)255) [L96] partial_sum = partial_sum & ((unsigned char)255) [L97] carry = (unsigned short)1 VAL [a0=101, a1=81, a2=-2, a3=13, b0=-64, b1=-64, b2=-128, b3=-128, carry=1, i=2, na=4, nb=4, partial_sum=127, r0=37, r1=18] [L99] COND FALSE !(i == (unsigned char)0) VAL [a0=101, a1=81, a2=-2, a3=13, b0=-64, b1=-64, b2=-128, b3=-128, carry=1, i=2, na=4, nb=4, partial_sum=127, r0=37, r1=18] [L100] COND FALSE !(i == (unsigned char)1) VAL [a0=101, a1=81, a2=-2, a3=13, b0=-64, b1=-64, b2=-128, b3=-128, carry=1, i=2, na=4, nb=4, partial_sum=127, r0=37, r1=18] [L101] COND TRUE i == (unsigned char)2 [L101] r2 = (unsigned char)partial_sum VAL [a0=101, a1=81, a2=-2, a3=13, b0=-64, b1=-64, b2=-128, b3=-128, carry=1, i=2, na=4, nb=4, partial_sum=127, r0=37, r1=18, r2=127] [L102] COND FALSE !(i == (unsigned char)3) VAL [a0=101, a1=81, a2=-2, a3=13, b0=-64, b1=-64, b2=-128, b3=-128, carry=1, i=2, na=4, nb=4, partial_sum=127, r0=37, r1=18, r2=127] [L104] EXPR i + (unsigned char)1 [L104] i = i + (unsigned char)1 VAL [a0=101, a1=81, a2=-2, a3=13, b0=-64, b1=-64, b2=-128, b3=-128, carry=1, i=3, na=4, nb=4, partial_sum=127, r0=37, r1=18, r2=127] [L80] COND FALSE !((i < na) || (i < nb) || (carry != (unsigned short)0)) VAL [a0=101, a1=81, a2=-2, a3=13, b0=-64, b1=-64, b2=-128, b3=-128, carry=1, i=3, na=4, nb=4, partial_sum=127, r0=37, r1=18, r2=127] [L80] COND TRUE (i < na) || (i < nb) || (carry != (unsigned short)0) [L81] partial_sum = carry [L82] carry = (unsigned short)0 VAL [a0=101, a1=81, a2=-2, a3=13, b0=-64, b1=-64, b2=-128, b3=-128, carry=0, i=3, na=4, nb=4, partial_sum=1, r0=37, r1=18, r2=127] [L83] COND TRUE i < na VAL [a0=101, a1=81, a2=-2, a3=13, b0=-64, b1=-64, b2=-128, b3=-128, carry=0, i=3, na=4, nb=4, partial_sum=1, r0=37, r1=18, r2=127] [L84] COND FALSE !(i == (unsigned char)0) VAL [a0=101, a1=81, a2=-2, a3=13, b0=-64, b1=-64, b2=-128, b3=-128, carry=0, i=3, na=4, nb=4, partial_sum=1, r0=37, r1=18, r2=127] [L85] COND FALSE !(i == (unsigned char)1) VAL [a0=101, a1=81, a2=-2, a3=13, b0=-64, b1=-64, b2=-128, b3=-128, carry=0, i=3, na=4, nb=4, partial_sum=1, r0=37, r1=18, r2=127] [L86] COND FALSE !(i == (unsigned char)2) VAL [a0=101, a1=81, a2=-2, a3=13, b0=-64, b1=-64, b2=-128, b3=-128, carry=0, i=3, na=4, nb=4, partial_sum=1, r0=37, r1=18, r2=127] [L87] COND TRUE i == (unsigned char)3 VAL [a0=101, a1=81, a2=-2, a3=13, b0=-64, b1=-64, b2=-128, b3=-128, carry=0, i=3, na=4, nb=4, partial_sum=1, r0=37, r1=18, r2=127] [L87] EXPR partial_sum + a3 [L87] partial_sum = partial_sum + a3 VAL [a0=101, a1=81, a2=-2, a3=13, b0=-64, b1=-64, b2=-128, b3=-128, carry=0, i=3, na=4, nb=4, partial_sum=14, r0=37, r1=18, r2=127] [L89] COND TRUE i < nb VAL [a0=101, a1=81, a2=-2, a3=13, b0=-64, b1=-64, b2=-128, b3=-128, carry=0, i=3, na=4, nb=4, partial_sum=14, r0=37, r1=18, r2=127] [L90] COND FALSE !(i == (unsigned char)0) VAL [a0=101, a1=81, a2=-2, a3=13, b0=-64, b1=-64, b2=-128, b3=-128, carry=0, i=3, na=4, nb=4, partial_sum=14, r0=37, r1=18, r2=127] [L91] COND FALSE !(i == (unsigned char)1) VAL [a0=101, a1=81, a2=-2, a3=13, b0=-64, b1=-64, b2=-128, b3=-128, carry=0, i=3, na=4, nb=4, partial_sum=14, r0=37, r1=18, r2=127] [L92] COND FALSE !(i == (unsigned char)2) VAL [a0=101, a1=81, a2=-2, a3=13, b0=-64, b1=-64, b2=-128, b3=-128, carry=0, i=3, na=4, nb=4, partial_sum=14, r0=37, r1=18, r2=127] [L93] COND TRUE i == (unsigned char)3 VAL [a0=101, a1=81, a2=-2, a3=13, b0=-64, b1=-64, b2=-128, b3=-128, carry=0, i=3, na=4, nb=4, partial_sum=14, r0=37, r1=18, r2=127] [L93] EXPR partial_sum + b3 [L93] partial_sum = partial_sum + b3 VAL [a0=101, a1=81, a2=-2, a3=13, b0=-64, b1=-64, b2=-128, b3=-128, carry=0, i=3, na=4, nb=4, partial_sum=142, r0=37, r1=18, r2=127] [L95] COND FALSE !(partial_sum > ((unsigned char)255)) VAL [a0=101, a1=81, a2=-2, a3=13, b0=-64, b1=-64, b2=-128, b3=-128, carry=0, i=3, na=4, nb=4, partial_sum=142, r0=37, r1=18, r2=127] [L99] COND FALSE !(i == (unsigned char)0) VAL [a0=101, a1=81, a2=-2, a3=13, b0=-64, b1=-64, b2=-128, b3=-128, carry=0, i=3, na=4, nb=4, partial_sum=142, r0=37, r1=18, r2=127] [L100] COND FALSE !(i == (unsigned char)1) VAL [a0=101, a1=81, a2=-2, a3=13, b0=-64, b1=-64, b2=-128, b3=-128, carry=0, i=3, na=4, nb=4, partial_sum=142, r0=37, r1=18, r2=127] [L101] COND FALSE !(i == (unsigned char)2) VAL [a0=101, a1=81, a2=-2, a3=13, b0=-64, b1=-64, b2=-128, b3=-128, carry=0, i=3, na=4, nb=4, partial_sum=142, r0=37, r1=18, r2=127] [L102] COND TRUE i == (unsigned char)3 [L102] r3 = (unsigned char)partial_sum VAL [a0=101, a1=81, a2=-2, a3=13, b0=-64, b1=-64, b2=-128, b3=-128, carry=0, i=3, na=4, nb=4, r0=37, r1=18, r2=127, r3=-114] [L104] EXPR i + (unsigned char)1 [L104] i = i + (unsigned char)1 VAL [a0=101, a1=81, a2=-2, a3=13, b0=-64, b1=-64, b2=-128, b3=-128, carry=0, i=4, na=4, nb=4, r0=37, r1=18, r2=127, r3=-114] [L80] COND TRUE (i < na) || (i < nb) || (carry != (unsigned short)0) VAL [a0=101, a1=81, a2=-2, a3=13, b0=-64, b1=-64, b2=-128, b3=-128, i=4, r0=37, r1=18, r2=127, r3=-114] [L107] COND TRUE i < (unsigned char)4 VAL [a0=101, a1=81, a2=-2, a3=13, b0=-64, b1=-64, b2=-128, b3=-128, r0=37, r1=18, r2=127, r3=-114] [L116] r1 << 8U VAL [a0=101, a1=81, a2=-2, a3=13, b0=-64, b1=-64, b2=-128, b3=-128, r0=37, r1=18, r2=127, r3=-114] [L116] r2 << 16U VAL [a0=101, a1=81, a2=-2, a3=13, b0=-64, b1=-64, b2=-128, b3=-128, r0=37, r1=18, r2=127, r3=-114] [L116] r3 << 24U VAL [a0=101, a1=81, a2=-2, a3=13, b0=-64, b1=-64, b2=-128, b3=-128, r0=37, r1=18, r2=127] - UnprovableResult [Line: 60]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 60]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 62]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 62]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 64]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 64]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 70]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 70]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 72]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 72]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 74]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 74]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 84]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 84]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 85]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 85]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 86]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 86]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 87]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 87]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 90]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 90]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 91]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 91]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 92]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 92]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 93]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 93]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 104]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 104]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 113]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 113]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 116]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 116]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 116]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 116]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 116]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 116]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 116]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 116]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 124 locations, 41 error locations. Started 1 CEGAR loops. OverallTime: 19.3s, OverallIterations: 15, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2286 SdHoareTripleChecker+Valid, 3.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2286 mSDsluCounter, 5216 SdHoareTripleChecker+Invalid, 2.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3632 mSDsCounter, 186 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2871 IncrementalHoareTripleChecker+Invalid, 3057 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 186 mSolverCounterUnsat, 1584 mSDtfsCounter, 2871 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2852 GetRequests, 2705 SyntacticMatches, 2 SemanticMatches, 145 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1015 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1314occurred in iteration=14, InterpolantAutomatonStates: 104, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 14 MinimizatonAttempts, 3325 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 5.8s InterpolantComputationTime, 1755 NumberOfCodeBlocks, 1755 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 2803 ConstructedInterpolants, 0 QuantifiedInterpolants, 12260 SizeOfPredicates, 20 NumberOfNonLiveVariables, 2695 ConjunctsInSsa, 132 ConjunctsInUnsatCore, 39 InterpolantComputations, 13 PerfectInterpolantSequences, 1209/1767 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-11-09 05:39:30,778 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c5971aa-59de-41b9-b30d-71386be6c805/bin/utaipan-verify-YMUCfTKeje/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)