./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/memsafety-ext3/getNumbers4-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 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_cadeb13b-3c0a-4b2b-8931-cb5ae57ff7a6/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cadeb13b-3c0a-4b2b-8931-cb5ae57ff7a6/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cadeb13b-3c0a-4b2b-8931-cb5ae57ff7a6/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cadeb13b-3c0a-4b2b-8931-cb5ae57ff7a6/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/memsafety-ext3/getNumbers4-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cadeb13b-3c0a-4b2b-8931-cb5ae57ff7a6/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cadeb13b-3c0a-4b2b-8931-cb5ae57ff7a6/bin/utaipan-verify-NcY6lQBIFX --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 6bc6b4117baccd9c0c047fce306a2f95fb55fa90595dfb64eaa429319b56a306 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:44:42,258 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:44:42,363 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cadeb13b-3c0a-4b2b-8931-cb5ae57ff7a6/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Overflow-32bit-Taipan_Default.epf [2023-11-12 00:44:42,377 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:44:42,378 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:44:42,423 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:44:42,427 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:44:42,428 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:44:42,429 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:44:42,430 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:44:42,430 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:44:42,432 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:44:42,433 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:44:42,437 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:44:42,437 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:44:42,438 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:44:42,439 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:44:42,445 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:44:42,446 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:44:42,447 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:44:42,447 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:44:42,448 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:44:42,449 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:44:42,449 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:44:42,450 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:44:42,450 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:44:42,450 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:44:42,451 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:44:42,451 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:44:42,452 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:44:42,452 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:44:42,452 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 00:44:42,453 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:44:42,453 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:44:42,453 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:44:42,454 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:44:42,454 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:44:42,454 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:44:42,454 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:44:42,455 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:44:42,455 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:44:42,455 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:44:42,456 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:44:42,456 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:44:42,456 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:44:42,456 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:44:42,457 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:44:42,457 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_cadeb13b-3c0a-4b2b-8931-cb5ae57ff7a6/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cadeb13b-3c0a-4b2b-8931-cb5ae57ff7a6/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6bc6b4117baccd9c0c047fce306a2f95fb55fa90595dfb64eaa429319b56a306 [2023-11-12 00:44:42,818 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:44:42,855 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:44:42,858 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:44:42,862 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:44:42,863 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:44:42,864 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cadeb13b-3c0a-4b2b-8931-cb5ae57ff7a6/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/memsafety-ext3/getNumbers4-1.c [2023-11-12 00:44:46,065 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:44:46,417 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:44:46,417 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cadeb13b-3c0a-4b2b-8931-cb5ae57ff7a6/sv-benchmarks/c/memsafety-ext3/getNumbers4-1.c [2023-11-12 00:44:46,426 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cadeb13b-3c0a-4b2b-8931-cb5ae57ff7a6/bin/utaipan-verify-NcY6lQBIFX/data/14f5dcfa3/8b28b228376b4311a1c84d8e12aa1de8/FLAG8e23f58e4 [2023-11-12 00:44:46,445 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cadeb13b-3c0a-4b2b-8931-cb5ae57ff7a6/bin/utaipan-verify-NcY6lQBIFX/data/14f5dcfa3/8b28b228376b4311a1c84d8e12aa1de8 [2023-11-12 00:44:46,451 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:44:46,454 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:44:46,456 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:44:46,456 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:44:46,463 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:44:46,466 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:44:46" (1/1) ... [2023-11-12 00:44:46,467 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6aa752be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:44:46, skipping insertion in model container [2023-11-12 00:44:46,467 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:44:46" (1/1) ... [2023-11-12 00:44:46,493 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:44:46,708 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:44:46,721 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:44:46,740 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:44:46,756 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:44:46,756 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:44:46 WrapperNode [2023-11-12 00:44:46,756 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:44:46,758 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:44:46,758 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:44:46,758 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:44:46,766 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:44:46" (1/1) ... [2023-11-12 00:44:46,773 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:44:46" (1/1) ... [2023-11-12 00:44:46,798 INFO L138 Inliner]: procedures = 12, calls = 18, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 106 [2023-11-12 00:44:46,798 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:44:46,799 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:44:46,799 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:44:46,800 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:44:46,809 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:44:46" (1/1) ... [2023-11-12 00:44:46,810 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:44:46" (1/1) ... [2023-11-12 00:44:46,812 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:44:46" (1/1) ... [2023-11-12 00:44:46,813 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:44:46" (1/1) ... [2023-11-12 00:44:46,820 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:44:46" (1/1) ... [2023-11-12 00:44:46,825 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:44:46" (1/1) ... [2023-11-12 00:44:46,826 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:44:46" (1/1) ... [2023-11-12 00:44:46,828 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:44:46" (1/1) ... [2023-11-12 00:44:46,830 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:44:46,831 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:44:46,831 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:44:46,831 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:44:46,832 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:44:46" (1/1) ... [2023-11-12 00:44:46,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:44:46,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cadeb13b-3c0a-4b2b-8931-cb5ae57ff7a6/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:44:46,866 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cadeb13b-3c0a-4b2b-8931-cb5ae57ff7a6/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:44:46,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cadeb13b-3c0a-4b2b-8931-cb5ae57ff7a6/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:44:46,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:44:46,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:44:46,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:44:46,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:44:46,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:44:46,976 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:44:46,978 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:44:47,177 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:44:47,234 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:44:47,234 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-12 00:44:47,237 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:44:47 BoogieIcfgContainer [2023-11-12 00:44:47,237 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:44:47,240 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:44:47,240 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:44:47,244 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:44:47,244 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:44:46" (1/3) ... [2023-11-12 00:44:47,245 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ec5c5e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:44:47, skipping insertion in model container [2023-11-12 00:44:47,245 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:44:46" (2/3) ... [2023-11-12 00:44:47,246 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ec5c5e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:44:47, skipping insertion in model container [2023-11-12 00:44:47,246 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:44:47" (3/3) ... [2023-11-12 00:44:47,247 INFO L112 eAbstractionObserver]: Analyzing ICFG getNumbers4-1.c [2023-11-12 00:44:47,270 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:44:47,270 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2023-11-12 00:44:47,311 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:44:47,318 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@41985d96, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:44:47,318 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2023-11-12 00:44:47,324 INFO L276 IsEmpty]: Start isEmpty. Operand has 27 states, 16 states have (on average 1.9375) internal successors, (31), 26 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:44:47,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-12 00:44:47,335 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:44:47,336 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2023-11-12 00:44:47,337 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-12 00:44:47,342 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:44:47,343 INFO L85 PathProgramCache]: Analyzing trace with hash 131979, now seen corresponding path program 1 times [2023-11-12 00:44:47,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:44:47,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495061] [2023-11-12 00:44:47,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:44:47,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:44:47,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:44:47,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:44:47,570 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:44:47,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495061] [2023-11-12 00:44:47,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [495061] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:44:47,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:44:47,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-12 00:44:47,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699896823] [2023-11-12 00:44:47,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:44:47,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:44:47,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:44:47,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:44:47,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:44:47,641 INFO L87 Difference]: Start difference. First operand has 27 states, 16 states have (on average 1.9375) internal successors, (31), 26 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:44:47,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:44:47,752 INFO L93 Difference]: Finished difference Result 53 states and 61 transitions. [2023-11-12 00:44:47,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:44:47,755 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2023-11-12 00:44:47,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:44:47,766 INFO L225 Difference]: With dead ends: 53 [2023-11-12 00:44:47,766 INFO L226 Difference]: Without dead ends: 29 [2023-11-12 00:44:47,770 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:44:47,776 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 1 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 00:44:47,778 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 40 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 00:44:47,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2023-11-12 00:44:47,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2023-11-12 00:44:47,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 19 states have (on average 1.736842105263158) internal successors, (33), 28 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) [2023-11-12 00:44:47,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 33 transitions. [2023-11-12 00:44:47,823 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 33 transitions. Word has length 3 [2023-11-12 00:44:47,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:44:47,824 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 33 transitions. [2023-11-12 00:44:47,825 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:44:47,827 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 33 transitions. [2023-11-12 00:44:47,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-12 00:44:47,828 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:44:47,829 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2023-11-12 00:44:47,829 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 00:44:47,831 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-12 00:44:47,832 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:44:47,833 INFO L85 PathProgramCache]: Analyzing trace with hash -363136379, now seen corresponding path program 1 times [2023-11-12 00:44:47,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:44:47,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94058826] [2023-11-12 00:44:47,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:44:47,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:44:47,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:44:47,985 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:44:47,986 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:44:47,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94058826] [2023-11-12 00:44:47,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [94058826] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:44:47,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [938409902] [2023-11-12 00:44:47,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:44:47,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:44:47,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cadeb13b-3c0a-4b2b-8931-cb5ae57ff7a6/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:44:47,992 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cadeb13b-3c0a-4b2b-8931-cb5ae57ff7a6/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:44:48,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cadeb13b-3c0a-4b2b-8931-cb5ae57ff7a6/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 00:44:48,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:44:48,101 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-12 00:44:48,106 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:44:48,200 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:44:48,200 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:44:48,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [938409902] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:44:48,204 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-12 00:44:48,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 3 [2023-11-12 00:44:48,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198282447] [2023-11-12 00:44:48,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:44:48,208 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 00:44:48,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:44:48,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 00:44:48,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:44:48,213 INFO L87 Difference]: Start difference. First operand 29 states and 33 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:44:48,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:44:48,262 INFO L93 Difference]: Finished difference Result 29 states and 33 transitions. [2023-11-12 00:44:48,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 00:44:48,263 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2023-11-12 00:44:48,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:44:48,265 INFO L225 Difference]: With dead ends: 29 [2023-11-12 00:44:48,265 INFO L226 Difference]: Without dead ends: 28 [2023-11-12 00:44:48,266 INFO L412 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 [2023-11-12 00:44:48,267 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 3 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 00:44:48,268 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 38 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 00:44:48,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2023-11-12 00:44:48,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2023-11-12 00:44:48,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 19 states have (on average 1.6842105263157894) internal successors, (32), 27 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:44:48,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 32 transitions. [2023-11-12 00:44:48,276 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 32 transitions. Word has length 6 [2023-11-12 00:44:48,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:44:48,277 INFO L495 AbstractCegarLoop]: Abstraction has 28 states and 32 transitions. [2023-11-12 00:44:48,277 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:44:48,277 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2023-11-12 00:44:48,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-12 00:44:48,278 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:44:48,278 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:44:48,289 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cadeb13b-3c0a-4b2b-8931-cb5ae57ff7a6/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-12 00:44:48,485 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cadeb13b-3c0a-4b2b-8931-cb5ae57ff7a6/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:44:48,486 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-12 00:44:48,486 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:44:48,487 INFO L85 PathProgramCache]: Analyzing trace with hash 1627775602, now seen corresponding path program 1 times [2023-11-12 00:44:48,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:44:48,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646189584] [2023-11-12 00:44:48,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:44:48,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:44:48,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:44:48,565 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:44:48,565 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:44:48,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646189584] [2023-11-12 00:44:48,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1646189584] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:44:48,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [35445333] [2023-11-12 00:44:48,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:44:48,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:44:48,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cadeb13b-3c0a-4b2b-8931-cb5ae57ff7a6/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:44:48,569 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cadeb13b-3c0a-4b2b-8931-cb5ae57ff7a6/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:44:48,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cadeb13b-3c0a-4b2b-8931-cb5ae57ff7a6/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-12 00:44:48,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:44:48,664 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 00:44:48,665 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:44:48,687 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-12 00:44:48,689 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:44:48,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [35445333] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:44:48,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-12 00:44:48,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 5 [2023-11-12 00:44:48,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480594865] [2023-11-12 00:44:48,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:44:48,693 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:44:48,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:44:48,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:44:48,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:44:48,695 INFO L87 Difference]: Start difference. First operand 28 states and 32 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:44:48,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:44:48,722 INFO L93 Difference]: Finished difference Result 28 states and 32 transitions. [2023-11-12 00:44:48,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:44:48,723 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2023-11-12 00:44:48,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:44:48,724 INFO L225 Difference]: With dead ends: 28 [2023-11-12 00:44:48,724 INFO L226 Difference]: Without dead ends: 27 [2023-11-12 00:44:48,725 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:44:48,727 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 2 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 00:44:48,727 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 36 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 00:44:48,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2023-11-12 00:44:48,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2023-11-12 00:44:48,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 19 states have (on average 1.631578947368421) internal successors, (31), 26 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:44:48,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 31 transitions. [2023-11-12 00:44:48,734 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 31 transitions. Word has length 7 [2023-11-12 00:44:48,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:44:48,735 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 31 transitions. [2023-11-12 00:44:48,735 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:44:48,735 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2023-11-12 00:44:48,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-12 00:44:48,736 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:44:48,736 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1] [2023-11-12 00:44:48,752 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cadeb13b-3c0a-4b2b-8931-cb5ae57ff7a6/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-12 00:44:48,942 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cadeb13b-3c0a-4b2b-8931-cb5ae57ff7a6/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:44:48,943 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-12 00:44:48,943 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:44:48,944 INFO L85 PathProgramCache]: Analyzing trace with hash 1627674184, now seen corresponding path program 1 times [2023-11-12 00:44:48,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:44:48,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081597995] [2023-11-12 00:44:48,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:44:48,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:44:48,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:44:48,990 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-12 00:44:48,991 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:44:48,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081597995] [2023-11-12 00:44:48,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081597995] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:44:48,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:44:48,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:44:48,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266275687] [2023-11-12 00:44:48,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:44:48,993 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:44:48,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:44:48,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:44:48,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:44:48,994 INFO L87 Difference]: Start difference. First operand 27 states and 31 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:44:49,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:44:49,022 INFO L93 Difference]: Finished difference Result 27 states and 31 transitions. [2023-11-12 00:44:49,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:44:49,023 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2023-11-12 00:44:49,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:44:49,024 INFO L225 Difference]: With dead ends: 27 [2023-11-12 00:44:49,025 INFO L226 Difference]: Without dead ends: 26 [2023-11-12 00:44:49,025 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:44:49,027 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 0 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 00:44:49,028 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 36 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 00:44:49,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2023-11-12 00:44:49,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 24. [2023-11-12 00:44:49,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 17 states have (on average 1.6470588235294117) internal successors, (28), 23 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:44:49,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 28 transitions. [2023-11-12 00:44:49,044 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 28 transitions. Word has length 7 [2023-11-12 00:44:49,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:44:49,044 INFO L495 AbstractCegarLoop]: Abstraction has 24 states and 28 transitions. [2023-11-12 00:44:49,045 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:44:49,045 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2023-11-12 00:44:49,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-12 00:44:49,046 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:44:49,046 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:44:49,046 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-12 00:44:49,046 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-12 00:44:49,047 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:44:49,047 INFO L85 PathProgramCache]: Analyzing trace with hash -1078482589, now seen corresponding path program 1 times [2023-11-12 00:44:49,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:44:49,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283477269] [2023-11-12 00:44:49,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:44:49,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:44:49,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:44:49,125 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:44:49,126 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:44:49,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283477269] [2023-11-12 00:44:49,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [283477269] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:44:49,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1887863351] [2023-11-12 00:44:49,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:44:49,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:44:49,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cadeb13b-3c0a-4b2b-8931-cb5ae57ff7a6/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:44:49,132 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cadeb13b-3c0a-4b2b-8931-cb5ae57ff7a6/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:44:49,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cadeb13b-3c0a-4b2b-8931-cb5ae57ff7a6/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-12 00:44:49,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:44:49,232 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 00:44:49,234 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:44:49,246 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-12 00:44:49,246 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:44:49,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1887863351] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:44:49,246 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-12 00:44:49,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2023-11-12 00:44:49,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344382474] [2023-11-12 00:44:49,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:44:49,247 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:44:49,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:44:49,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:44:49,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:44:49,250 INFO L87 Difference]: Start difference. First operand 24 states and 28 transitions. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:44:49,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:44:49,300 INFO L93 Difference]: Finished difference Result 43 states and 50 transitions. [2023-11-12 00:44:49,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:44:49,301 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2023-11-12 00:44:49,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:44:49,302 INFO L225 Difference]: With dead ends: 43 [2023-11-12 00:44:49,303 INFO L226 Difference]: Without dead ends: 27 [2023-11-12 00:44:49,304 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:44:49,307 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 2 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 00:44:49,308 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 35 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 00:44:49,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2023-11-12 00:44:49,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2023-11-12 00:44:49,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 20 states have (on average 1.55) internal successors, (31), 26 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:44:49,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 31 transitions. [2023-11-12 00:44:49,323 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 31 transitions. Word has length 8 [2023-11-12 00:44:49,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:44:49,323 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 31 transitions. [2023-11-12 00:44:49,324 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:44:49,324 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2023-11-12 00:44:49,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-12 00:44:49,324 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:44:49,325 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:44:49,342 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cadeb13b-3c0a-4b2b-8931-cb5ae57ff7a6/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-12 00:44:49,532 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cadeb13b-3c0a-4b2b-8931-cb5ae57ff7a6/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:44:49,533 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-12 00:44:49,533 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:44:49,533 INFO L85 PathProgramCache]: Analyzing trace with hash -844459068, now seen corresponding path program 1 times [2023-11-12 00:44:49,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:44:49,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859541432] [2023-11-12 00:44:49,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:44:49,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:44:49,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:44:49,660 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-12 00:44:49,660 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:44:49,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859541432] [2023-11-12 00:44:49,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859541432] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:44:49,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [161718600] [2023-11-12 00:44:49,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:44:49,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:44:49,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cadeb13b-3c0a-4b2b-8931-cb5ae57ff7a6/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:44:49,669 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cadeb13b-3c0a-4b2b-8931-cb5ae57ff7a6/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:44:49,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cadeb13b-3c0a-4b2b-8931-cb5ae57ff7a6/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-12 00:44:49,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:44:49,802 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 00:44:49,807 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:44:49,866 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-12 00:44:49,866 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:44:49,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [161718600] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:44:49,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-12 00:44:49,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 5 [2023-11-12 00:44:49,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993479945] [2023-11-12 00:44:49,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:44:49,868 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:44:49,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:44:49,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:44:49,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:44:49,869 INFO L87 Difference]: Start difference. First operand 27 states and 31 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:44:49,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:44:49,905 INFO L93 Difference]: Finished difference Result 27 states and 31 transitions. [2023-11-12 00:44:49,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:44:49,906 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2023-11-12 00:44:49,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:44:49,906 INFO L225 Difference]: With dead ends: 27 [2023-11-12 00:44:49,907 INFO L226 Difference]: Without dead ends: 26 [2023-11-12 00:44:49,907 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:44:49,908 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 2 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 00:44:49,909 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 32 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 00:44:49,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2023-11-12 00:44:49,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2023-11-12 00:44:49,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 20 states have (on average 1.5) internal successors, (30), 25 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:44:49,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 30 transitions. [2023-11-12 00:44:49,914 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 30 transitions. Word has length 11 [2023-11-12 00:44:49,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:44:49,914 INFO L495 AbstractCegarLoop]: Abstraction has 26 states and 30 transitions. [2023-11-12 00:44:49,915 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:44:49,915 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2023-11-12 00:44:49,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-12 00:44:49,916 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:44:49,916 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:44:49,922 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cadeb13b-3c0a-4b2b-8931-cb5ae57ff7a6/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-12 00:44:50,121 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cadeb13b-3c0a-4b2b-8931-cb5ae57ff7a6/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:44:50,122 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-12 00:44:50,122 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:44:50,123 INFO L85 PathProgramCache]: Analyzing trace with hash -844540305, now seen corresponding path program 1 times [2023-11-12 00:44:50,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:44:50,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077269668] [2023-11-12 00:44:50,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:44:50,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:44:50,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:44:50,223 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-12 00:44:50,223 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:44:50,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077269668] [2023-11-12 00:44:50,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1077269668] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:44:50,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [592390264] [2023-11-12 00:44:50,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:44:50,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:44:50,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cadeb13b-3c0a-4b2b-8931-cb5ae57ff7a6/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:44:50,226 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cadeb13b-3c0a-4b2b-8931-cb5ae57ff7a6/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:44:50,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cadeb13b-3c0a-4b2b-8931-cb5ae57ff7a6/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-12 00:44:50,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:44:50,316 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 00:44:50,317 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:44:50,333 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-12 00:44:50,333 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:44:50,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [592390264] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:44:50,334 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-12 00:44:50,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 5 [2023-11-12 00:44:50,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027566554] [2023-11-12 00:44:50,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:44:50,335 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:44:50,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:44:50,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:44:50,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:44:50,336 INFO L87 Difference]: Start difference. First operand 26 states and 30 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:44:50,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:44:50,365 INFO L93 Difference]: Finished difference Result 26 states and 30 transitions. [2023-11-12 00:44:50,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:44:50,366 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2023-11-12 00:44:50,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:44:50,367 INFO L225 Difference]: With dead ends: 26 [2023-11-12 00:44:50,367 INFO L226 Difference]: Without dead ends: 25 [2023-11-12 00:44:50,367 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:44:50,369 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 0 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 00:44:50,369 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 32 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 00:44:50,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2023-11-12 00:44:50,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 23. [2023-11-12 00:44:50,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 18 states have (on average 1.5) internal successors, (27), 22 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:44:50,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2023-11-12 00:44:50,374 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 11 [2023-11-12 00:44:50,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:44:50,374 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 27 transitions. [2023-11-12 00:44:50,375 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:44:50,375 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2023-11-12 00:44:50,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-12 00:44:50,375 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:44:50,376 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:44:50,387 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cadeb13b-3c0a-4b2b-8931-cb5ae57ff7a6/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-12 00:44:50,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cadeb13b-3c0a-4b2b-8931-cb5ae57ff7a6/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:44:50,583 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-12 00:44:50,584 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:44:50,584 INFO L85 PathProgramCache]: Analyzing trace with hash -408427249, now seen corresponding path program 1 times [2023-11-12 00:44:50,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:44:50,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716053878] [2023-11-12 00:44:50,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:44:50,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:44:50,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:44:50,644 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-12 00:44:50,645 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:44:50,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716053878] [2023-11-12 00:44:50,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716053878] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:44:50,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1418326769] [2023-11-12 00:44:50,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:44:50,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:44:50,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cadeb13b-3c0a-4b2b-8931-cb5ae57ff7a6/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:44:50,647 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cadeb13b-3c0a-4b2b-8931-cb5ae57ff7a6/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:44:50,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cadeb13b-3c0a-4b2b-8931-cb5ae57ff7a6/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-12 00:44:50,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:44:50,755 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 00:44:50,756 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:44:50,772 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-12 00:44:50,772 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:44:50,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1418326769] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:44:50,773 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-12 00:44:50,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 5 [2023-11-12 00:44:50,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713126295] [2023-11-12 00:44:50,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:44:50,775 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:44:50,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:44:50,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:44:50,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:44:50,776 INFO L87 Difference]: Start difference. First operand 23 states and 27 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:44:50,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:44:50,815 INFO L93 Difference]: Finished difference Result 37 states and 43 transitions. [2023-11-12 00:44:50,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:44:50,816 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 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 12 [2023-11-12 00:44:50,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:44:50,817 INFO L225 Difference]: With dead ends: 37 [2023-11-12 00:44:50,817 INFO L226 Difference]: Without dead ends: 26 [2023-11-12 00:44:50,818 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:44:50,821 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 0 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 00:44:50,822 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 31 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 00:44:50,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2023-11-12 00:44:50,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2023-11-12 00:44:50,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 21 states have (on average 1.4285714285714286) internal successors, (30), 25 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:44:50,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 30 transitions. [2023-11-12 00:44:50,828 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 30 transitions. Word has length 12 [2023-11-12 00:44:50,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:44:50,829 INFO L495 AbstractCegarLoop]: Abstraction has 26 states and 30 transitions. [2023-11-12 00:44:50,829 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:44:50,829 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2023-11-12 00:44:50,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-12 00:44:50,830 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:44:50,831 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:44:50,843 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cadeb13b-3c0a-4b2b-8931-cb5ae57ff7a6/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-12 00:44:51,043 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cadeb13b-3c0a-4b2b-8931-cb5ae57ff7a6/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:44:51,044 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-12 00:44:51,044 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:44:51,044 INFO L85 PathProgramCache]: Analyzing trace with hash 186252161, now seen corresponding path program 1 times [2023-11-12 00:44:51,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:44:51,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428137329] [2023-11-12 00:44:51,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:44:51,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:44:51,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:44:51,142 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-12 00:44:51,142 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:44:51,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428137329] [2023-11-12 00:44:51,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428137329] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:44:51,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [726056452] [2023-11-12 00:44:51,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:44:51,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:44:51,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cadeb13b-3c0a-4b2b-8931-cb5ae57ff7a6/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:44:51,145 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cadeb13b-3c0a-4b2b-8931-cb5ae57ff7a6/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:44:51,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cadeb13b-3c0a-4b2b-8931-cb5ae57ff7a6/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-12 00:44:51,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:44:51,234 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 00:44:51,236 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:44:51,249 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-12 00:44:51,250 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:44:51,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [726056452] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:44:51,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-12 00:44:51,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 5 [2023-11-12 00:44:51,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575277916] [2023-11-12 00:44:51,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:44:51,251 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:44:51,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:44:51,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:44:51,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:44:51,253 INFO L87 Difference]: Start difference. First operand 26 states and 30 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:44:51,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:44:51,273 INFO L93 Difference]: Finished difference Result 26 states and 30 transitions. [2023-11-12 00:44:51,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:44:51,274 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2023-11-12 00:44:51,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:44:51,275 INFO L225 Difference]: With dead ends: 26 [2023-11-12 00:44:51,275 INFO L226 Difference]: Without dead ends: 25 [2023-11-12 00:44:51,275 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:44:51,276 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 0 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 00:44:51,277 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 30 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 00:44:51,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2023-11-12 00:44:51,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 23. [2023-11-12 00:44:51,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 19 states have (on average 1.4210526315789473) internal successors, (27), 22 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:44:51,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2023-11-12 00:44:51,281 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 15 [2023-11-12 00:44:51,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:44:51,281 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 27 transitions. [2023-11-12 00:44:51,281 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:44:51,282 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2023-11-12 00:44:51,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-12 00:44:51,283 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:44:51,283 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:44:51,291 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cadeb13b-3c0a-4b2b-8931-cb5ae57ff7a6/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-11-12 00:44:51,488 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cadeb13b-3c0a-4b2b-8931-cb5ae57ff7a6/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:44:51,489 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-12 00:44:51,489 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:44:51,489 INFO L85 PathProgramCache]: Analyzing trace with hash 186318983, now seen corresponding path program 1 times [2023-11-12 00:44:51,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:44:51,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62317892] [2023-11-12 00:44:51,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:44:51,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:44:51,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:44:51,537 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-12 00:44:51,538 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:44:51,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62317892] [2023-11-12 00:44:51,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62317892] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:44:51,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1609450686] [2023-11-12 00:44:51,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:44:51,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:44:51,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cadeb13b-3c0a-4b2b-8931-cb5ae57ff7a6/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:44:51,540 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cadeb13b-3c0a-4b2b-8931-cb5ae57ff7a6/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:44:51,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cadeb13b-3c0a-4b2b-8931-cb5ae57ff7a6/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-12 00:44:51,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:44:51,622 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 00:44:51,623 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:44:51,633 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-12 00:44:51,633 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:44:51,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1609450686] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:44:51,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-12 00:44:51,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 5 [2023-11-12 00:44:51,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397839161] [2023-11-12 00:44:51,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:44:51,634 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:44:51,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:44:51,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:44:51,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:44:51,635 INFO L87 Difference]: Start difference. First operand 23 states and 27 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:44:51,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:44:51,654 INFO L93 Difference]: Finished difference Result 23 states and 27 transitions. [2023-11-12 00:44:51,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:44:51,654 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2023-11-12 00:44:51,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:44:51,655 INFO L225 Difference]: With dead ends: 23 [2023-11-12 00:44:51,655 INFO L226 Difference]: Without dead ends: 22 [2023-11-12 00:44:51,655 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:44:51,656 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 2 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 00:44:51,656 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 26 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 00:44:51,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2023-11-12 00:44:51,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2023-11-12 00:44:51,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 19 states have (on average 1.368421052631579) internal successors, (26), 21 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:44:51,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions. [2023-11-12 00:44:51,661 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 26 transitions. Word has length 15 [2023-11-12 00:44:51,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:44:51,661 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 26 transitions. [2023-11-12 00:44:51,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:44:51,661 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2023-11-12 00:44:51,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-12 00:44:51,662 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:44:51,662 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:44:51,676 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cadeb13b-3c0a-4b2b-8931-cb5ae57ff7a6/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-12 00:44:51,868 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cadeb13b-3c0a-4b2b-8931-cb5ae57ff7a6/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-12 00:44:51,868 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-12 00:44:51,869 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:44:51,869 INFO L85 PathProgramCache]: Analyzing trace with hash 1480921279, now seen corresponding path program 1 times [2023-11-12 00:44:51,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:44:51,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968661506] [2023-11-12 00:44:51,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:44:51,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:44:51,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:44:51,918 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-12 00:44:51,918 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:44:51,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968661506] [2023-11-12 00:44:51,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968661506] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:44:51,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [541047875] [2023-11-12 00:44:51,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:44:51,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:44:51,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cadeb13b-3c0a-4b2b-8931-cb5ae57ff7a6/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:44:51,920 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cadeb13b-3c0a-4b2b-8931-cb5ae57ff7a6/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:44:51,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cadeb13b-3c0a-4b2b-8931-cb5ae57ff7a6/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-12 00:44:52,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:44:52,023 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 00:44:52,026 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:44:52,042 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-12 00:44:52,043 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:44:52,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [541047875] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:44:52,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-12 00:44:52,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 5 [2023-11-12 00:44:52,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529936255] [2023-11-12 00:44:52,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:44:52,044 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:44:52,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:44:52,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:44:52,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:44:52,045 INFO L87 Difference]: Start difference. First operand 22 states and 26 transitions. Second operand has 3 states, 2 states have (on average 8.0) 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) [2023-11-12 00:44:52,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:44:52,067 INFO L93 Difference]: Finished difference Result 31 states and 36 transitions. [2023-11-12 00:44:52,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:44:52,068 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) 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 [2023-11-12 00:44:52,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:44:52,068 INFO L225 Difference]: With dead ends: 31 [2023-11-12 00:44:52,068 INFO L226 Difference]: Without dead ends: 25 [2023-11-12 00:44:52,069 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:44:52,069 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 0 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 00:44:52,070 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 27 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 00:44:52,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2023-11-12 00:44:52,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2023-11-12 00:44:52,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 22 states have (on average 1.3181818181818181) internal successors, (29), 24 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) [2023-11-12 00:44:52,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2023-11-12 00:44:52,074 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 29 transitions. Word has length 16 [2023-11-12 00:44:52,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:44:52,074 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 29 transitions. [2023-11-12 00:44:52,074 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) 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) [2023-11-12 00:44:52,074 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2023-11-12 00:44:52,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-12 00:44:52,075 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:44:52,075 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:44:52,086 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cadeb13b-3c0a-4b2b-8931-cb5ae57ff7a6/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-12 00:44:52,281 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cadeb13b-3c0a-4b2b-8931-cb5ae57ff7a6/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:44:52,281 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-12 00:44:52,281 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:44:52,282 INFO L85 PathProgramCache]: Analyzing trace with hash 221854596, now seen corresponding path program 1 times [2023-11-12 00:44:52,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:44:52,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821792883] [2023-11-12 00:44:52,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:44:52,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:44:52,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:44:52,354 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-12 00:44:52,354 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:44:52,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821792883] [2023-11-12 00:44:52,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821792883] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:44:52,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1164814864] [2023-11-12 00:44:52,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:44:52,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:44:52,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cadeb13b-3c0a-4b2b-8931-cb5ae57ff7a6/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:44:52,357 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cadeb13b-3c0a-4b2b-8931-cb5ae57ff7a6/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:44:52,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cadeb13b-3c0a-4b2b-8931-cb5ae57ff7a6/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-12 00:44:52,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:44:52,475 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 00:44:52,477 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:44:52,488 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-12 00:44:52,488 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:44:52,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1164814864] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:44:52,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-12 00:44:52,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 5 [2023-11-12 00:44:52,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251541236] [2023-11-12 00:44:52,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:44:52,489 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:44:52,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:44:52,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:44:52,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:44:52,490 INFO L87 Difference]: Start difference. First operand 25 states and 29 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:44:52,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:44:52,512 INFO L93 Difference]: Finished difference Result 25 states and 29 transitions. [2023-11-12 00:44:52,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:44:52,513 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2023-11-12 00:44:52,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:44:52,514 INFO L225 Difference]: With dead ends: 25 [2023-11-12 00:44:52,514 INFO L226 Difference]: Without dead ends: 24 [2023-11-12 00:44:52,514 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:44:52,515 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 0 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 00:44:52,515 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 26 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 00:44:52,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2023-11-12 00:44:52,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 22. [2023-11-12 00:44:52,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 20 states have (on average 1.3) internal successors, (26), 21 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:44:52,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions. [2023-11-12 00:44:52,519 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 26 transitions. Word has length 19 [2023-11-12 00:44:52,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:44:52,520 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 26 transitions. [2023-11-12 00:44:52,520 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:44:52,520 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2023-11-12 00:44:52,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-12 00:44:52,521 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:44:52,521 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:44:52,533 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cadeb13b-3c0a-4b2b-8931-cb5ae57ff7a6/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-12 00:44:52,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cadeb13b-3c0a-4b2b-8931-cb5ae57ff7a6/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-11-12 00:44:52,728 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-12 00:44:52,728 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:44:52,728 INFO L85 PathProgramCache]: Analyzing trace with hash 221896030, now seen corresponding path program 1 times [2023-11-12 00:44:52,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:44:52,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439825342] [2023-11-12 00:44:52,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:44:52,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:44:52,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:44:52,778 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-12 00:44:52,778 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:44:52,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439825342] [2023-11-12 00:44:52,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439825342] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:44:52,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1004866237] [2023-11-12 00:44:52,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:44:52,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:44:52,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cadeb13b-3c0a-4b2b-8931-cb5ae57ff7a6/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:44:52,780 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cadeb13b-3c0a-4b2b-8931-cb5ae57ff7a6/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:44:52,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cadeb13b-3c0a-4b2b-8931-cb5ae57ff7a6/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-12 00:44:52,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:44:52,891 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-12 00:44:52,892 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:44:52,908 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-12 00:44:52,908 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:44:52,968 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-12 00:44:52,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1004866237] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:44:52,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1506477023] [2023-11-12 00:44:53,001 INFO L159 IcfgInterpreter]: Started Sifa with 16 locations of interest [2023-11-12 00:44:53,002 INFO L166 IcfgInterpreter]: Building call graph [2023-11-12 00:44:53,006 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-12 00:44:53,013 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-12 00:44:53,014 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-12 00:44:55,079 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-12 00:44:56,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1506477023] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:44:56,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2023-11-12 00:44:56,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [3, 3, 3] total 20 [2023-11-12 00:44:56,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750381691] [2023-11-12 00:44:56,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:44:56,302 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-11-12 00:44:56,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:44:56,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-11-12 00:44:56,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=357, Unknown=0, NotChecked=0, Total=420 [2023-11-12 00:44:56,303 INFO L87 Difference]: Start difference. First operand 22 states and 26 transitions. Second operand has 16 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:44:56,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:44:56,525 INFO L93 Difference]: Finished difference Result 27 states and 31 transitions. [2023-11-12 00:44:56,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-12 00:44:56,526 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2023-11-12 00:44:56,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:44:56,527 INFO L225 Difference]: With dead ends: 27 [2023-11-12 00:44:56,527 INFO L226 Difference]: Without dead ends: 25 [2023-11-12 00:44:56,527 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=63, Invalid=357, Unknown=0, NotChecked=0, Total=420 [2023-11-12 00:44:56,528 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 8 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-12 00:44:56,528 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 19 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 176 Invalid, 2 Unknown, 0 Unchecked, 0.2s Time] [2023-11-12 00:44:56,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2023-11-12 00:44:56,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2023-11-12 00:44:56,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 23 states have (on average 1.2608695652173914) internal successors, (29), 24 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) [2023-11-12 00:44:56,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2023-11-12 00:44:56,537 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 29 transitions. Word has length 19 [2023-11-12 00:44:56,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:44:56,537 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 29 transitions. [2023-11-12 00:44:56,538 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:44:56,538 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2023-11-12 00:44:56,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-12 00:44:56,540 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:44:56,540 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:44:56,552 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cadeb13b-3c0a-4b2b-8931-cb5ae57ff7a6/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-11-12 00:44:56,749 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cadeb13b-3c0a-4b2b-8931-cb5ae57ff7a6/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-11-12 00:44:56,750 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-12 00:44:56,750 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:44:56,751 INFO L85 PathProgramCache]: Analyzing trace with hash 550082702, now seen corresponding path program 1 times [2023-11-12 00:44:56,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:44:56,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135655250] [2023-11-12 00:44:56,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:44:56,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:44:56,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:44:56,801 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-12 00:44:56,801 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:44:56,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135655250] [2023-11-12 00:44:56,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135655250] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:44:56,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1660272921] [2023-11-12 00:44:56,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:44:56,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:44:56,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cadeb13b-3c0a-4b2b-8931-cb5ae57ff7a6/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:44:56,819 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cadeb13b-3c0a-4b2b-8931-cb5ae57ff7a6/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:44:56,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cadeb13b-3c0a-4b2b-8931-cb5ae57ff7a6/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-12 00:44:56,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:44:56,974 INFO L262 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-12 00:44:56,976 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:44:56,995 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-12 00:44:56,995 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:44:57,017 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-12 00:44:57,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1660272921] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:44:57,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1177826620] [2023-11-12 00:44:57,022 INFO L159 IcfgInterpreter]: Started Sifa with 17 locations of interest [2023-11-12 00:44:57,023 INFO L166 IcfgInterpreter]: Building call graph [2023-11-12 00:44:57,023 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-12 00:44:57,024 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-12 00:44:57,024 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-12 00:44:59,344 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-12 00:45:01,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1177826620] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:45:01,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2023-11-12 00:45:01,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [3, 3, 3] total 20 [2023-11-12 00:45:01,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096925808] [2023-11-12 00:45:01,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:45:01,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-11-12 00:45:01,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:45:01,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-11-12 00:45:01,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=358, Unknown=0, NotChecked=0, Total=420 [2023-11-12 00:45:01,251 INFO L87 Difference]: Start difference. First operand 25 states and 29 transitions. Second operand has 16 states, 15 states have (on average 1.4) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:45:01,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:45:01,631 INFO L93 Difference]: Finished difference Result 25 states and 29 transitions. [2023-11-12 00:45:01,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-12 00:45:01,632 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.4) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 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 22 [2023-11-12 00:45:01,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:45:01,633 INFO L225 Difference]: With dead ends: 25 [2023-11-12 00:45:01,633 INFO L226 Difference]: Without dead ends: 24 [2023-11-12 00:45:01,634 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 47 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=66, Invalid=396, Unknown=0, NotChecked=0, Total=462 [2023-11-12 00:45:01,635 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 10 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-12 00:45:01,635 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 0 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 178 Invalid, 2 Unknown, 0 Unchecked, 0.2s Time] [2023-11-12 00:45:01,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2023-11-12 00:45:01,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2023-11-12 00:45:01,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 23 states have (on average 1.2173913043478262) internal successors, (28), 23 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:45:01,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 28 transitions. [2023-11-12 00:45:01,643 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 28 transitions. Word has length 22 [2023-11-12 00:45:01,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:45:01,643 INFO L495 AbstractCegarLoop]: Abstraction has 24 states and 28 transitions. [2023-11-12 00:45:01,643 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 1.4) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:45:01,643 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2023-11-12 00:45:01,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-12 00:45:01,644 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:45:01,644 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:45:01,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cadeb13b-3c0a-4b2b-8931-cb5ae57ff7a6/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-11-12 00:45:01,848 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cadeb13b-3c0a-4b2b-8931-cb5ae57ff7a6/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:45:01,848 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-12 00:45:01,849 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:45:01,849 INFO L85 PathProgramCache]: Analyzing trace with hash -127305300, now seen corresponding path program 1 times [2023-11-12 00:45:01,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:45:01,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549191310] [2023-11-12 00:45:01,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:45:01,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:45:01,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:45:01,895 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-12 00:45:01,895 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:45:01,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549191310] [2023-11-12 00:45:01,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [549191310] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:45:01,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1375942624] [2023-11-12 00:45:01,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:45:01,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:45:01,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cadeb13b-3c0a-4b2b-8931-cb5ae57ff7a6/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:45:01,897 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cadeb13b-3c0a-4b2b-8931-cb5ae57ff7a6/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:45:01,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cadeb13b-3c0a-4b2b-8931-cb5ae57ff7a6/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-12 00:45:02,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:45:02,006 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-12 00:45:02,013 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:45:02,027 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-12 00:45:02,027 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:45:02,045 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-12 00:45:02,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1375942624] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:45:02,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1283878515] [2023-11-12 00:45:02,050 INFO L159 IcfgInterpreter]: Started Sifa with 17 locations of interest [2023-11-12 00:45:02,050 INFO L166 IcfgInterpreter]: Building call graph [2023-11-12 00:45:02,050 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-12 00:45:02,051 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-12 00:45:02,051 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-12 00:45:03,788 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-12 00:45:05,722 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1835#(and (= |ULTIMATE.start_getNumbers2_#res#1.offset| 0) (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start_getNumbers_#res#1.base| 1) (= 4 |~#numbers4~0.base|) (= |ULTIMATE.start_getNumbers_#res#1.offset| 0) (= |~#numbers3~0.offset| 0) (= |~#numbers2~0.base| 2) (= |ULTIMATE.start_getNumbers4_#res#1.offset| 0) (= 3 |~#numbers3~0.base|) (= |ULTIMATE.start_getNumbers2_#res#1.base| 2) (= |~#array~0.offset| 0) (= |~#array~0.base| 1) (= 4 |ULTIMATE.start_getNumbers4_#res#1.base|) (= |~#numbers4~0.offset| 0) (<= 2147483647 |ULTIMATE.start_main_#t~post11#1|) (= 4 |ULTIMATE.start_main_~numbers~3#1.base|) (= |~#numbers2~0.offset| 0) (= |ULTIMATE.start_main_~numbers~3#1.offset| 0) (= |ULTIMATE.start_getNumbers3_#res#1.offset| 0) (= |ULTIMATE.start_getNumbers3_#res#1.base| 3) (<= 0 |ULTIMATE.start_main_~i~4#1|))' at error location [2023-11-12 00:45:05,722 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-11-12 00:45:05,722 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-12 00:45:05,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2023-11-12 00:45:05,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320115406] [2023-11-12 00:45:05,723 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-12 00:45:05,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-12 00:45:05,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:45:05,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-12 00:45:05,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=397, Unknown=0, NotChecked=0, Total=462 [2023-11-12 00:45:05,725 INFO L87 Difference]: Start difference. First operand 24 states and 28 transitions. Second operand has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 6 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:45:05,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:45:05,779 INFO L93 Difference]: Finished difference Result 52 states and 62 transitions. [2023-11-12 00:45:05,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 00:45:05,779 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 6 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2023-11-12 00:45:05,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:45:05,780 INFO L225 Difference]: With dead ends: 52 [2023-11-12 00:45:05,780 INFO L226 Difference]: Without dead ends: 33 [2023-11-12 00:45:05,781 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 48 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 181 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=65, Invalid=397, Unknown=0, NotChecked=0, Total=462 [2023-11-12 00:45:05,782 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 4 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 00:45:05,782 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 48 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 00:45:05,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2023-11-12 00:45:05,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2023-11-12 00:45:05,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 32 states have (on average 1.15625) internal successors, (37), 32 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) [2023-11-12 00:45:05,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 37 transitions. [2023-11-12 00:45:05,791 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 37 transitions. Word has length 23 [2023-11-12 00:45:05,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:45:05,792 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 37 transitions. [2023-11-12 00:45:05,792 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 6 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:45:05,792 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 37 transitions. [2023-11-12 00:45:05,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-12 00:45:05,793 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:45:05,793 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:45:05,813 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cadeb13b-3c0a-4b2b-8931-cb5ae57ff7a6/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-11-12 00:45:06,012 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cadeb13b-3c0a-4b2b-8931-cb5ae57ff7a6/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-11-12 00:45:06,013 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-12 00:45:06,013 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:45:06,013 INFO L85 PathProgramCache]: Analyzing trace with hash 656331238, now seen corresponding path program 2 times [2023-11-12 00:45:06,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:45:06,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918537575] [2023-11-12 00:45:06,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:45:06,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:45:06,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:45:06,075 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-11-12 00:45:06,075 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:45:06,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918537575] [2023-11-12 00:45:06,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [918537575] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:45:06,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2026228227] [2023-11-12 00:45:06,076 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-12 00:45:06,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:45:06,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cadeb13b-3c0a-4b2b-8931-cb5ae57ff7a6/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:45:06,078 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cadeb13b-3c0a-4b2b-8931-cb5ae57ff7a6/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:45:06,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cadeb13b-3c0a-4b2b-8931-cb5ae57ff7a6/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-11-12 00:45:06,185 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2023-11-12 00:45:06,186 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-12 00:45:06,186 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-12 00:45:06,188 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:45:06,197 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-11-12 00:45:06,197 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:45:06,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2026228227] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:45:06,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-12 00:45:06,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2023-11-12 00:45:06,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652238001] [2023-11-12 00:45:06,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:45:06,199 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:45:06,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:45:06,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:45:06,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:45:06,200 INFO L87 Difference]: Start difference. First operand 33 states and 37 transitions. Second operand has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 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) [2023-11-12 00:45:06,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:45:06,221 INFO L93 Difference]: Finished difference Result 33 states and 37 transitions. [2023-11-12 00:45:06,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:45:06,221 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2023-11-12 00:45:06,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:45:06,222 INFO L225 Difference]: With dead ends: 33 [2023-11-12 00:45:06,222 INFO L226 Difference]: Without dead ends: 0 [2023-11-12 00:45:06,223 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:45:06,223 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 0 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 00:45:06,224 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 24 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 00:45:06,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-12 00:45:06,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-12 00:45:06,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:45:06,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-12 00:45:06,225 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2023-11-12 00:45:06,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:45:06,225 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-12 00:45:06,226 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 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) [2023-11-12 00:45:06,226 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-12 00:45:06,226 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-12 00:45:06,229 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining) [2023-11-12 00:45:06,229 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining) [2023-11-12 00:45:06,230 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining) [2023-11-12 00:45:06,230 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining) [2023-11-12 00:45:06,230 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 10 remaining) [2023-11-12 00:45:06,230 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 10 remaining) [2023-11-12 00:45:06,231 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining) [2023-11-12 00:45:06,231 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining) [2023-11-12 00:45:06,231 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining) [2023-11-12 00:45:06,231 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining) [2023-11-12 00:45:06,244 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cadeb13b-3c0a-4b2b-8931-cb5ae57ff7a6/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-11-12 00:45:06,437 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cadeb13b-3c0a-4b2b-8931-cb5ae57ff7a6/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:45:06,439 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-12 00:45:07,004 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 18) no Hoare annotation was computed. [2023-11-12 00:45:07,004 INFO L899 garLoopResultBuilder]: For program point L27-2(lines 27 29) no Hoare annotation was computed. [2023-11-12 00:45:07,004 INFO L899 garLoopResultBuilder]: For program point L27-3(line 27) no Hoare annotation was computed. [2023-11-12 00:45:07,005 INFO L895 garLoopResultBuilder]: At program point L27-4(lines 27 29) the Hoare annotation is: (and (= |ULTIMATE.start_getNumbers2_#res#1.offset| 0) (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start_getNumbers_#res#1.base| 1) (<= |ULTIMATE.start_getNumbers3_~i~2#1| 2147483647) (= 4 |~#numbers4~0.base|) (= |ULTIMATE.start_getNumbers_#res#1.offset| 0) (= 2 |ULTIMATE.start_getNumbers3_~numbers~1#1.base|) (= |~#numbers3~0.offset| 0) (= |~#numbers2~0.base| 2) (= 3 |~#numbers3~0.base|) (= |ULTIMATE.start_getNumbers2_#res#1.base| 2) (= |~#array~0.offset| 0) (= |ULTIMATE.start_getNumbers3_~numbers~1#1.offset| 0) (= |~#array~0.base| 1) (<= 0 |ULTIMATE.start_getNumbers3_~i~2#1|) (= |~#numbers4~0.offset| 0) (= |~#numbers2~0.offset| 0)) [2023-11-12 00:45:07,005 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-11-12 00:45:07,005 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 8) no Hoare annotation was computed. [2023-11-12 00:45:07,005 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 27) no Hoare annotation was computed. [2023-11-12 00:45:07,005 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 46) no Hoare annotation was computed. [2023-11-12 00:45:07,005 INFO L899 garLoopResultBuilder]: For program point L8-2(lines 8 10) no Hoare annotation was computed. [2023-11-12 00:45:07,005 INFO L899 garLoopResultBuilder]: For program point L8-3(line 8) no Hoare annotation was computed. [2023-11-12 00:45:07,006 INFO L895 garLoopResultBuilder]: At program point L8-4(lines 8 10) the Hoare annotation is: (let ((.cse0 (<= 1 |#StackHeapBarrier|)) (.cse1 (= 4 |~#numbers4~0.base|)) (.cse2 (= |~#numbers3~0.offset| 0)) (.cse3 (= |~#numbers2~0.base| 2)) (.cse4 (= 3 |~#numbers3~0.base|)) (.cse5 (= |~#array~0.offset| 0)) (.cse6 (= |~#array~0.base| 1)) (.cse7 (= |~#numbers4~0.offset| 0)) (.cse8 (= |~#numbers2~0.offset| 0))) (or (and (<= 1 |ULTIMATE.start_getNumbers_~i~0#1|) .cse0 .cse1 .cse2 .cse3 .cse4 (<= |ULTIMATE.start_getNumbers_~i~0#1| 2147483647) .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_getNumbers_~i~0#1| 0) .cse4 .cse5 .cse6 .cse7 (exists ((|v_#memory_int_43| (Array Int (Array Int Int)))) (= |#memory_int| (store |v_#memory_int_43| 1 (store (select |v_#memory_int_43| 1) 0 0)))) .cse8))) [2023-11-12 00:45:07,006 INFO L899 garLoopResultBuilder]: For program point L37-2(lines 37 39) no Hoare annotation was computed. [2023-11-12 00:45:07,006 INFO L899 garLoopResultBuilder]: For program point L37-3(line 37) no Hoare annotation was computed. [2023-11-12 00:45:07,006 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 8) no Hoare annotation was computed. [2023-11-12 00:45:07,006 INFO L895 garLoopResultBuilder]: At program point L37-4(lines 37 39) the Hoare annotation is: (and (= 3 |ULTIMATE.start_getNumbers4_~numbers~2#1.base|) (= |ULTIMATE.start_getNumbers2_#res#1.offset| 0) (<= 0 |ULTIMATE.start_getNumbers4_~i~3#1|) (= |ULTIMATE.start_getNumbers4_~numbers~2#1.offset| 0) (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start_getNumbers_#res#1.base| 1) (= 4 |~#numbers4~0.base|) (= |ULTIMATE.start_getNumbers_#res#1.offset| 0) (= |~#numbers3~0.offset| 0) (= |~#numbers2~0.base| 2) (= 3 |~#numbers3~0.base|) (= |ULTIMATE.start_getNumbers2_#res#1.base| 2) (= |~#array~0.offset| 0) (= |~#array~0.base| 1) (= |~#numbers4~0.offset| 0) (= |~#numbers2~0.offset| 0) (= |ULTIMATE.start_getNumbers3_#res#1.offset| 0) (= |ULTIMATE.start_getNumbers3_#res#1.base| 3) (<= |ULTIMATE.start_getNumbers4_~i~3#1| 2147483647)) [2023-11-12 00:45:07,006 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-12 00:45:07,006 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 27) no Hoare annotation was computed. [2023-11-12 00:45:07,006 INFO L899 garLoopResultBuilder]: For program point L46-3(line 46) no Hoare annotation was computed. [2023-11-12 00:45:07,006 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 46) no Hoare annotation was computed. [2023-11-12 00:45:07,007 INFO L899 garLoopResultBuilder]: For program point L46-4(line 46) no Hoare annotation was computed. [2023-11-12 00:45:07,007 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-12 00:45:07,007 INFO L895 garLoopResultBuilder]: At program point L46-5(lines 46 48) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~i~4#1| 2147483647) (let ((.cse0 (= |ULTIMATE.start_getNumbers2_#res#1.offset| 0)) (.cse1 (<= 1 |#StackHeapBarrier|)) (.cse2 (= |ULTIMATE.start_getNumbers_#res#1.base| 1)) (.cse3 (= 4 |~#numbers4~0.base|)) (.cse4 (= |ULTIMATE.start_getNumbers_#res#1.offset| 0)) (.cse5 (= |~#numbers3~0.offset| 0)) (.cse6 (= |~#numbers2~0.base| 2)) (.cse7 (= |ULTIMATE.start_getNumbers4_#res#1.offset| 0)) (.cse8 (= 3 |~#numbers3~0.base|)) (.cse9 (= |ULTIMATE.start_getNumbers2_#res#1.base| 2)) (.cse10 (= |~#array~0.offset| 0)) (.cse11 (= |~#array~0.base| 1)) (.cse12 (= 4 |ULTIMATE.start_getNumbers4_#res#1.base|)) (.cse13 (= |~#numbers4~0.offset| 0)) (.cse14 (= 4 |ULTIMATE.start_main_~numbers~3#1.base|)) (.cse15 (= |~#numbers2~0.offset| 0)) (.cse16 (= |ULTIMATE.start_main_~numbers~3#1.offset| 0)) (.cse17 (= |ULTIMATE.start_getNumbers3_#res#1.offset| 0)) (.cse18 (= |ULTIMATE.start_getNumbers3_#res#1.base| 3))) (or (exists ((|v_ULTIMATE.start_main_~i~4#1_33| Int)) (and .cse0 .cse1 .cse2 (<= 0 |v_ULTIMATE.start_main_~i~4#1_33|) .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (<= 1 |ULTIMATE.start_main_~i~4#1|) .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18)) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_main_~i~4#1| 0) .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18)))) [2023-11-12 00:45:07,007 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 18) no Hoare annotation was computed. [2023-11-12 00:45:07,007 INFO L899 garLoopResultBuilder]: For program point L18-2(lines 18 20) no Hoare annotation was computed. [2023-11-12 00:45:07,008 INFO L899 garLoopResultBuilder]: For program point L18-3(line 18) no Hoare annotation was computed. [2023-11-12 00:45:07,008 INFO L895 garLoopResultBuilder]: At program point L18-4(lines 18 20) the Hoare annotation is: (and (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start_getNumbers2_~numbers~0#1.base| 1) (= |ULTIMATE.start_getNumbers_#res#1.base| 1) (= |ULTIMATE.start_getNumbers2_~numbers~0#1.offset| 0) (<= 0 |ULTIMATE.start_getNumbers2_~i~1#1|) (= 4 |~#numbers4~0.base|) (= |ULTIMATE.start_getNumbers_#res#1.offset| 0) (= |~#numbers3~0.offset| 0) (= |~#numbers2~0.base| 2) (<= |ULTIMATE.start_getNumbers2_~i~1#1| 2147483647) (= 3 |~#numbers3~0.base|) (= |~#array~0.offset| 0) (= |~#array~0.base| 1) (= |~#numbers4~0.offset| 0) (= |~#numbers2~0.offset| 0)) [2023-11-12 00:45:07,008 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-11-12 00:45:07,011 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:45:07,014 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 00:45:07,032 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:45:07,033 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:45:07,033 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:45:07,034 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~#numbers2~0 [2023-11-12 00:45:07,034 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~#numbers3~0 [2023-11-12 00:45:07,034 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:45:07,034 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~#array~0 [2023-11-12 00:45:07,036 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:45:07,036 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:45:07,040 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:45:07,040 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:45:07,040 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:45:07,041 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~#numbers2~0 [2023-11-12 00:45:07,041 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~#numbers3~0 [2023-11-12 00:45:07,041 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:45:07,041 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~#array~0 [2023-11-12 00:45:07,042 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:45:07,042 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:45:07,052 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_~i~4#1_33 : int :: (((((((((((((((((((#res!offset == 0 && 1 <= #StackHeapBarrier) && #res!base == 1) && 0 <= v_ULTIMATE.start_main_~i~4#1_33) && 4 == ~#numbers4~0!base) && #res!offset == 0) && ~#numbers3~0!offset == 0) && ~#numbers2~0!base == 2) && #res!offset == 0) && 3 == ~#numbers3~0!base) && #res!base == 2) && 1 <= ~i~4) && ~#array~0!offset == 0) && ~#array~0!base == 1) && 4 == #res!base) && ~#numbers4~0!offset == 0) && 4 == ~numbers~3!base) && ~#numbers2~0!offset == 0) && ~numbers~3!offset == 0) && #res!offset == 0) && #res!base == 3) could not be translated [2023-11-12 00:45:07,052 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:45:07,052 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:45:07,053 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~#numbers4~0 [2023-11-12 00:45:07,053 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:45:07,053 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~#numbers2~0 [2023-11-12 00:45:07,053 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:45:07,054 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~#numbers3~0 [2023-11-12 00:45:07,054 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:45:07,054 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~#array~0 [2023-11-12 00:45:07,054 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:45:07,055 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:45:07,055 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:45:07,057 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_~i~4#1_33 : int :: (((((((((((((((((((#res!offset == 0 && 1 <= #StackHeapBarrier) && #res!base == 1) && 0 <= v_ULTIMATE.start_main_~i~4#1_33) && 4 == ~#numbers4~0!base) && #res!offset == 0) && ~#numbers3~0!offset == 0) && ~#numbers2~0!base == 2) && #res!offset == 0) && 3 == ~#numbers3~0!base) && #res!base == 2) && 1 <= ~i~4) && ~#array~0!offset == 0) && ~#array~0!base == 1) && 4 == #res!base) && ~#numbers4~0!offset == 0) && 4 == ~numbers~3!base) && ~#numbers2~0!offset == 0) && ~numbers~3!offset == 0) && #res!offset == 0) && #res!base == 3) could not be translated [2023-11-12 00:45:07,063 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:45:07,063 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:45:07,064 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~#numbers4~0 [2023-11-12 00:45:07,064 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:45:07,064 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~#numbers2~0 [2023-11-12 00:45:07,065 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:45:07,065 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~#numbers3~0 [2023-11-12 00:45:07,065 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:45:07,065 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~#array~0 [2023-11-12 00:45:07,066 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:45:07,066 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:45:07,066 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:45:07,070 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:45:07,078 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~#numbers4~0 [2023-11-12 00:45:07,078 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:45:07,079 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~#numbers3~0 [2023-11-12 00:45:07,079 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~#array~0 [2023-11-12 00:45:07,083 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:45:07,083 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~#numbers4~0 [2023-11-12 00:45:07,083 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:45:07,084 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~#numbers3~0 [2023-11-12 00:45:07,084 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~#array~0 [2023-11-12 00:45:07,085 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~#numbers4~0 [2023-11-12 00:45:07,086 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~#numbers2~0 [2023-11-12 00:45:07,086 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~#numbers3~0 [2023-11-12 00:45:07,086 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~#numbers4~0 [2023-11-12 00:45:07,087 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~#numbers2~0 [2023-11-12 00:45:07,087 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~#numbers3~0 [2023-11-12 00:45:07,087 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_#memory_int_43 : [int,int]int :: #memory_int == v_#memory_int_43[1 := v_#memory_int_43[1][0 := 0]]) could not be translated [2023-11-12 00:45:07,096 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~#numbers4~0 [2023-11-12 00:45:07,096 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~#numbers2~0 [2023-11-12 00:45:07,097 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~#numbers3~0 [2023-11-12 00:45:07,097 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~#numbers4~0 [2023-11-12 00:45:07,097 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~#numbers2~0 [2023-11-12 00:45:07,098 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~#numbers3~0 [2023-11-12 00:45:07,099 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_#memory_int_43 : [int,int]int :: #memory_int == v_#memory_int_43[1 := v_#memory_int_43[1][0 := 0]]) could not be translated [2023-11-12 00:45:07,100 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:45:07,100 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:45:07,101 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~#numbers4~0 [2023-11-12 00:45:07,104 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:45:07,104 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~#numbers2~0 [2023-11-12 00:45:07,104 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:45:07,105 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~#array~0 [2023-11-12 00:45:07,105 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:45:07,107 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:45:07,108 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~#numbers4~0 [2023-11-12 00:45:07,108 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:45:07,108 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~#numbers2~0 [2023-11-12 00:45:07,109 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:45:07,109 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~#array~0 [2023-11-12 00:45:07,110 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:45:07 BoogieIcfgContainer [2023-11-12 00:45:07,111 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 00:45:07,112 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:45:07,112 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:45:07,112 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:45:07,113 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:44:47" (3/4) ... [2023-11-12 00:45:07,115 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-12 00:45:07,129 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2023-11-12 00:45:07,129 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-12 00:45:07,130 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-12 00:45:07,259 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cadeb13b-3c0a-4b2b-8931-cb5ae57ff7a6/bin/utaipan-verify-NcY6lQBIFX/witness.graphml [2023-11-12 00:45:07,260 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cadeb13b-3c0a-4b2b-8931-cb5ae57ff7a6/bin/utaipan-verify-NcY6lQBIFX/witness.yml [2023-11-12 00:45:07,260 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:45:07,261 INFO L158 Benchmark]: Toolchain (without parser) took 20806.39ms. Allocated memory was 220.2MB in the beginning and 507.5MB in the end (delta: 287.3MB). Free memory was 186.8MB in the beginning and 466.7MB in the end (delta: -279.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-12 00:45:07,261 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 138.4MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:45:07,262 INFO L158 Benchmark]: CACSL2BoogieTranslator took 300.77ms. Allocated memory is still 220.2MB. Free memory was 185.9MB in the beginning and 175.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-12 00:45:07,262 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.04ms. Allocated memory is still 220.2MB. Free memory was 175.4MB in the beginning and 174.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:45:07,262 INFO L158 Benchmark]: Boogie Preprocessor took 31.24ms. Allocated memory is still 220.2MB. Free memory was 174.2MB in the beginning and 172.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:45:07,263 INFO L158 Benchmark]: RCFGBuilder took 406.37ms. Allocated memory is still 220.2MB. Free memory was 172.5MB in the beginning and 155.8MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-12 00:45:07,263 INFO L158 Benchmark]: TraceAbstraction took 19870.94ms. Allocated memory was 220.2MB in the beginning and 507.5MB in the end (delta: 287.3MB). Free memory was 155.3MB in the beginning and 471.9MB in the end (delta: -316.6MB). Peak memory consumption was 273.6MB. Max. memory is 16.1GB. [2023-11-12 00:45:07,264 INFO L158 Benchmark]: Witness Printer took 148.45ms. Allocated memory is still 507.5MB. Free memory was 471.9MB in the beginning and 466.7MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-12 00:45:07,266 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 138.4MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 300.77ms. Allocated memory is still 220.2MB. Free memory was 185.9MB in the beginning and 175.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.04ms. Allocated memory is still 220.2MB. Free memory was 175.4MB in the beginning and 174.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 31.24ms. Allocated memory is still 220.2MB. Free memory was 174.2MB in the beginning and 172.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 406.37ms. Allocated memory is still 220.2MB. Free memory was 172.5MB in the beginning and 155.8MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 19870.94ms. Allocated memory was 220.2MB in the beginning and 507.5MB in the end (delta: 287.3MB). Free memory was 155.3MB in the beginning and 471.9MB in the end (delta: -316.6MB). Peak memory consumption was 273.6MB. Max. memory is 16.1GB. * Witness Printer took 148.45ms. Allocated memory is still 507.5MB. Free memory was 471.9MB in the beginning and 466.7MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #res!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #res!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #res!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~#numbers2~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~#numbers3~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #res!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~#array~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #res!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #res!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #res!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #res!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #res!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~#numbers2~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~#numbers3~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #res!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~#array~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #res!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #res!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_~i~4#1_33 : int :: (((((((((((((((((((#res!offset == 0 && 1 <= #StackHeapBarrier) && #res!base == 1) && 0 <= v_ULTIMATE.start_main_~i~4#1_33) && 4 == ~#numbers4~0!base) && #res!offset == 0) && ~#numbers3~0!offset == 0) && ~#numbers2~0!base == 2) && #res!offset == 0) && 3 == ~#numbers3~0!base) && #res!base == 2) && 1 <= ~i~4) && ~#array~0!offset == 0) && ~#array~0!base == 1) && 4 == #res!base) && ~#numbers4~0!offset == 0) && 4 == ~numbers~3!base) && ~#numbers2~0!offset == 0) && ~numbers~3!offset == 0) && #res!offset == 0) && #res!base == 3) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #res!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #res!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~#numbers4~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #res!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~#numbers2~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #res!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~#numbers3~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #res!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~#array~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #res!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #res!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #res!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_~i~4#1_33 : int :: (((((((((((((((((((#res!offset == 0 && 1 <= #StackHeapBarrier) && #res!base == 1) && 0 <= v_ULTIMATE.start_main_~i~4#1_33) && 4 == ~#numbers4~0!base) && #res!offset == 0) && ~#numbers3~0!offset == 0) && ~#numbers2~0!base == 2) && #res!offset == 0) && 3 == ~#numbers3~0!base) && #res!base == 2) && 1 <= ~i~4) && ~#array~0!offset == 0) && ~#array~0!base == 1) && 4 == #res!base) && ~#numbers4~0!offset == 0) && 4 == ~numbers~3!base) && ~#numbers2~0!offset == 0) && ~numbers~3!offset == 0) && #res!offset == 0) && #res!base == 3) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #res!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #res!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~#numbers4~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #res!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~#numbers2~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #res!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~#numbers3~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #res!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~#array~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #res!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #res!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #res!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #res!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~#numbers4~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #res!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~#numbers3~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~#array~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #res!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~#numbers4~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #res!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~#numbers3~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~#array~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~#numbers4~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~#numbers2~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~#numbers3~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~#numbers4~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~#numbers2~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~#numbers3~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_#memory_int_43 : [int,int]int :: #memory_int == v_#memory_int_43[1 := v_#memory_int_43[1][0 := 0]]) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~#numbers4~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~#numbers2~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~#numbers3~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~#numbers4~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~#numbers2~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~#numbers3~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_#memory_int_43 : [int,int]int :: #memory_int == v_#memory_int_43[1 := v_#memory_int_43[1][0 := 0]]) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #res!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #res!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~#numbers4~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #res!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~#numbers2~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #res!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~#array~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #res!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #res!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~#numbers4~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #res!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~#numbers2~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #res!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~#array~0 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 8]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 8]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 27 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 19.7s, OverallIterations: 16, TraceHistogramMax: 4, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4 mSolverCounterUnknown, 34 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 34 mSDsluCounter, 480 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 257 mSDsCounter, 19 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 606 IncrementalHoareTripleChecker+Invalid, 629 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 19 mSolverCounterUnsat, 223 mSDtfsCounter, 606 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 373 GetRequests, 276 SyntacticMatches, 3 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 505 ImplicationChecksByTransitivity, 5.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=33occurred in iteration=15, InterpolantAutomatonStates: 70, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 16 MinimizatonAttempts, 8 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 17 NumberOfFragments, 365 HoareAnnotationTreeSize, 5 FomulaSimplifications, 196 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 328 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 442 NumberOfCodeBlocks, 418 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 473 ConstructedInterpolants, 0 QuantifiedInterpolants, 695 SizeOfPredicates, 1 NumberOfNonLiveVariables, 1404 ConjunctsInSsa, 33 ConjunctsInUnsatCore, 33 InterpolantComputations, 13 PerfectInterpolantSequences, 147/168 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: 4.4s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 33, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 129, TOOLS_POST_TIME: 3.1s, 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: 129, TOOLS_QUANTIFIERELIM_TIME: 3.0s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.1s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 227, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 25, DOMAIN_JOIN_TIME: 0.5s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 18, DOMAIN_WIDEN_TIME: 0.5s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 27, DOMAIN_ISSUBSETEQ_TIME: 0.1s, DOMAIN_ISBOTTOM_APPLICATIONS: 33, DOMAIN_ISBOTTOM_TIME: 0.0s, LOOP_SUMMARIZER_APPLICATIONS: 9, LOOP_SUMMARIZER_CACHE_MISSES: 9, LOOP_SUMMARIZER_OVERALL_TIME: 2.8s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 2.8s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 27, 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: 0.1s, DAG_COMPRESSION_PROCESSED_NODES: 2287, DAG_COMPRESSION_RETAINED_NODES: 134, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 10 specifications checked. All of them hold - InvariantResult [Line: 37]: Loop Invariant [2023-11-12 00:45:07,287 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:45:07,287 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:45:07,288 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:45:07,288 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~#numbers2~0 [2023-11-12 00:45:07,288 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~#numbers3~0 [2023-11-12 00:45:07,288 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:45:07,289 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~#array~0 [2023-11-12 00:45:07,289 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:45:07,289 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:45:07,289 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:45:07,290 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:45:07,290 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:45:07,290 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~#numbers2~0 [2023-11-12 00:45:07,290 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~#numbers3~0 [2023-11-12 00:45:07,291 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:45:07,291 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~#array~0 [2023-11-12 00:45:07,291 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:45:07,291 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression Derived loop invariant: ((0 <= i) && (i <= 2147483647)) - InvariantResult [Line: 46]: Loop Invariant [2023-11-12 00:45:07,292 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_~i~4#1_33 : int :: (((((((((((((((((((#res!offset == 0 && 1 <= #StackHeapBarrier) && #res!base == 1) && 0 <= v_ULTIMATE.start_main_~i~4#1_33) && 4 == ~#numbers4~0!base) && #res!offset == 0) && ~#numbers3~0!offset == 0) && ~#numbers2~0!base == 2) && #res!offset == 0) && 3 == ~#numbers3~0!base) && #res!base == 2) && 1 <= ~i~4) && ~#array~0!offset == 0) && ~#array~0!base == 1) && 4 == #res!base) && ~#numbers4~0!offset == 0) && 4 == ~numbers~3!base) && ~#numbers2~0!offset == 0) && ~numbers~3!offset == 0) && #res!offset == 0) && #res!base == 3) could not be translated [2023-11-12 00:45:07,292 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:45:07,293 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:45:07,293 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~#numbers4~0 [2023-11-12 00:45:07,293 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:45:07,293 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~#numbers2~0 [2023-11-12 00:45:07,294 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:45:07,294 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~#numbers3~0 [2023-11-12 00:45:07,294 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:45:07,294 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~#array~0 [2023-11-12 00:45:07,294 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:45:07,295 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:45:07,295 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:45:07,296 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_~i~4#1_33 : int :: (((((((((((((((((((#res!offset == 0 && 1 <= #StackHeapBarrier) && #res!base == 1) && 0 <= v_ULTIMATE.start_main_~i~4#1_33) && 4 == ~#numbers4~0!base) && #res!offset == 0) && ~#numbers3~0!offset == 0) && ~#numbers2~0!base == 2) && #res!offset == 0) && 3 == ~#numbers3~0!base) && #res!base == 2) && 1 <= ~i~4) && ~#array~0!offset == 0) && ~#array~0!base == 1) && 4 == #res!base) && ~#numbers4~0!offset == 0) && 4 == ~numbers~3!base) && ~#numbers2~0!offset == 0) && ~numbers~3!offset == 0) && #res!offset == 0) && #res!base == 3) could not be translated [2023-11-12 00:45:07,296 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:45:07,296 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:45:07,296 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~#numbers4~0 [2023-11-12 00:45:07,297 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:45:07,297 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~#numbers2~0 [2023-11-12 00:45:07,297 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:45:07,297 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~#numbers3~0 [2023-11-12 00:45:07,298 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:45:07,298 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~#array~0 [2023-11-12 00:45:07,298 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:45:07,298 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:45:07,298 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression Derived loop invariant: (i <= 2147483647) - InvariantResult [Line: 18]: Loop Invariant [2023-11-12 00:45:07,299 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:45:07,299 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~#numbers4~0 [2023-11-12 00:45:07,300 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:45:07,300 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~#numbers3~0 [2023-11-12 00:45:07,300 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~#array~0 [2023-11-12 00:45:07,300 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:45:07,301 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~#numbers4~0 [2023-11-12 00:45:07,301 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:45:07,301 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~#numbers3~0 [2023-11-12 00:45:07,301 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~#array~0 Derived loop invariant: ((0 <= i) && (i <= 2147483647)) - InvariantResult [Line: 8]: Loop Invariant [2023-11-12 00:45:07,302 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~#numbers4~0 [2023-11-12 00:45:07,302 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~#numbers2~0 [2023-11-12 00:45:07,302 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~#numbers3~0 [2023-11-12 00:45:07,303 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~#numbers4~0 [2023-11-12 00:45:07,303 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~#numbers2~0 [2023-11-12 00:45:07,303 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~#numbers3~0 [2023-11-12 00:45:07,303 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_#memory_int_43 : [int,int]int :: #memory_int == v_#memory_int_43[1 := v_#memory_int_43[1][0 := 0]]) could not be translated [2023-11-12 00:45:07,304 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~#numbers4~0 [2023-11-12 00:45:07,304 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~#numbers2~0 [2023-11-12 00:45:07,304 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~#numbers3~0 [2023-11-12 00:45:07,305 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~#numbers4~0 [2023-11-12 00:45:07,305 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~#numbers2~0 [2023-11-12 00:45:07,305 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~#numbers3~0 [2023-11-12 00:45:07,305 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_#memory_int_43 : [int,int]int :: #memory_int == v_#memory_int_43[1 := v_#memory_int_43[1][0 := 0]]) could not be translated Derived loop invariant: (((1 <= i) && (i <= 2147483647)) || (i == 0)) - InvariantResult [Line: 27]: Loop Invariant [2023-11-12 00:45:07,306 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:45:07,306 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:45:07,306 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~#numbers4~0 [2023-11-12 00:45:07,307 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:45:07,307 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~#numbers2~0 [2023-11-12 00:45:07,307 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:45:07,307 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~#array~0 [2023-11-12 00:45:07,308 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:45:07,308 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:45:07,308 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~#numbers4~0 [2023-11-12 00:45:07,308 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:45:07,308 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~#numbers2~0 [2023-11-12 00:45:07,309 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:45:07,309 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~#array~0 Derived loop invariant: ((i <= 2147483647) && (0 <= i)) RESULT: Ultimate proved your program to be correct! [2023-11-12 00:45:07,324 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cadeb13b-3c0a-4b2b-8931-cb5ae57ff7a6/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE