./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-15/array16_alloca_fixed.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d45604-64de-4370-b9c8-4d7cc25ce963/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d45604-64de-4370-b9c8-4d7cc25ce963/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_e5d45604-64de-4370-b9c8-4d7cc25ce963/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d45604-64de-4370-b9c8-4d7cc25ce963/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/termination-15/array16_alloca_fixed.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d45604-64de-4370-b9c8-4d7cc25ce963/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d45604-64de-4370-b9c8-4d7cc25ce963/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 64bit --witnessprinter.graph.data.programhash 2a580f3a42bca030605af1bbd4c6a77550e46d88a6197c1e34cf45bb050eadef --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:42:45,219 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:42:45,383 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d45604-64de-4370-b9c8-4d7cc25ce963/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Overflow-64bit-Taipan_Default.epf [2023-11-12 00:42:45,391 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:42:45,392 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:42:45,437 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:42:45,438 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:42:45,439 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:42:45,440 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:42:45,446 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:42:45,447 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:42:45,448 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:42:45,448 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:42:45,450 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:42:45,451 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:42:45,451 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:42:45,452 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:42:45,453 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:42:45,453 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:42:45,454 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:42:45,454 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:42:45,455 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:42:45,456 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:42:45,457 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:42:45,457 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:42:45,458 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:42:45,459 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:42:45,459 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:42:45,460 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:42:45,460 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 00:42:45,464 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:42:45,464 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:42:45,464 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:42:45,465 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:42:45,465 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:42:45,465 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:42:45,466 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:42:45,466 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:42:45,466 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:42:45,467 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:42:45,467 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:42:45,468 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:42:45,468 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:42:45,468 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:42:45,469 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_e5d45604-64de-4370-b9c8-4d7cc25ce963/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d45604-64de-4370-b9c8-4d7cc25ce963/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2a580f3a42bca030605af1bbd4c6a77550e46d88a6197c1e34cf45bb050eadef [2023-11-12 00:42:45,862 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:42:45,905 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:42:45,908 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:42:45,910 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:42:45,911 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:42:45,912 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d45604-64de-4370-b9c8-4d7cc25ce963/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/termination-15/array16_alloca_fixed.i [2023-11-12 00:42:49,131 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:42:49,423 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:42:49,424 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d45604-64de-4370-b9c8-4d7cc25ce963/sv-benchmarks/c/termination-15/array16_alloca_fixed.i [2023-11-12 00:42:49,442 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d45604-64de-4370-b9c8-4d7cc25ce963/bin/utaipan-verify-NcY6lQBIFX/data/0247bfe83/a6d36466c1a244a9a4600e5c3581c44a/FLAG2bfda0c0f [2023-11-12 00:42:49,457 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d45604-64de-4370-b9c8-4d7cc25ce963/bin/utaipan-verify-NcY6lQBIFX/data/0247bfe83/a6d36466c1a244a9a4600e5c3581c44a [2023-11-12 00:42:49,461 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:42:49,462 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:42:49,464 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:42:49,464 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:42:49,472 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:42:49,473 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:42:49" (1/1) ... [2023-11-12 00:42:49,475 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e49afc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:49, skipping insertion in model container [2023-11-12 00:42:49,475 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:42:49" (1/1) ... [2023-11-12 00:42:49,520 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:42:49,910 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:42:49,922 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:42:49,994 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:42:50,051 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:42:50,052 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:50 WrapperNode [2023-11-12 00:42:50,052 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:42:50,054 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:42:50,054 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:42:50,054 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:42:50,063 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:50" (1/1) ... [2023-11-12 00:42:50,093 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:50" (1/1) ... [2023-11-12 00:42:50,128 INFO L138 Inliner]: procedures = 151, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 63 [2023-11-12 00:42:50,128 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:42:50,129 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:42:50,129 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:42:50,129 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:42:50,139 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:50" (1/1) ... [2023-11-12 00:42:50,140 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:50" (1/1) ... [2023-11-12 00:42:50,142 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:50" (1/1) ... [2023-11-12 00:42:50,143 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:50" (1/1) ... [2023-11-12 00:42:50,158 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:50" (1/1) ... [2023-11-12 00:42:50,163 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:50" (1/1) ... [2023-11-12 00:42:50,165 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:50" (1/1) ... [2023-11-12 00:42:50,166 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:50" (1/1) ... [2023-11-12 00:42:50,168 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:42:50,169 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:42:50,170 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:42:50,170 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:42:50,171 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:50" (1/1) ... [2023-11-12 00:42:50,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:42:50,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d45604-64de-4370-b9c8-4d7cc25ce963/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:42:50,226 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d45604-64de-4370-b9c8-4d7cc25ce963/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:42:50,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d45604-64de-4370-b9c8-4d7cc25ce963/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:42:50,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:42:50,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:42:50,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:42:50,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:42:50,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:42:50,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:42:50,403 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:42:50,405 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:42:50,738 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:42:50,846 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:42:50,846 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-12 00:42:50,849 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:42:50 BoogieIcfgContainer [2023-11-12 00:42:50,849 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:42:50,852 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:42:50,852 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:42:50,857 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:42:50,857 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:42:49" (1/3) ... [2023-11-12 00:42:50,858 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c8c827 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:42:50, skipping insertion in model container [2023-11-12 00:42:50,859 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:50" (2/3) ... [2023-11-12 00:42:50,859 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c8c827 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:42:50, skipping insertion in model container [2023-11-12 00:42:50,860 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:42:50" (3/3) ... [2023-11-12 00:42:50,863 INFO L112 eAbstractionObserver]: Analyzing ICFG array16_alloca_fixed.i [2023-11-12 00:42:50,906 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:42:50,906 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-11-12 00:42:50,983 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:42:50,992 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;@45352079, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:42:50,992 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2023-11-12 00:42:50,998 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 18 states have internal predecessors, (22), 0 states have call successors, (0), 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 00:42:51,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-12 00:42:51,006 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:42:51,007 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-12 00:42:51,011 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-12 00:42:51,020 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:42:51,020 INFO L85 PathProgramCache]: Analyzing trace with hash 3143988, now seen corresponding path program 1 times [2023-11-12 00:42:51,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:42:51,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502356474] [2023-11-12 00:42:51,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:42:51,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:42:51,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:42:51,413 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 00:42:51,414 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:42:51,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502356474] [2023-11-12 00:42:51,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1502356474] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:42:51,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:42:51,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:42:51,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064744457] [2023-11-12 00:42:51,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:42:51,422 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 00:42:51,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:42:51,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 00:42:51,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 00:42:51,458 INFO L87 Difference]: Start difference. First operand has 19 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 18 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:42:51,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:42:51,556 INFO L93 Difference]: Finished difference Result 35 states and 41 transitions. [2023-11-12 00:42:51,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 00:42:51,562 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2023-11-12 00:42:51,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:42:51,568 INFO L225 Difference]: With dead ends: 35 [2023-11-12 00:42:51,568 INFO L226 Difference]: Without dead ends: 30 [2023-11-12 00:42:51,571 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:42:51,575 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 16 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 00:42:51,576 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 43 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 00:42:51,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2023-11-12 00:42:51,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 20. [2023-11-12 00:42:51,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 14 states have (on average 1.6428571428571428) internal successors, (23), 19 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 00:42:51,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 23 transitions. [2023-11-12 00:42:51,611 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 23 transitions. Word has length 4 [2023-11-12 00:42:51,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:42:51,611 INFO L495 AbstractCegarLoop]: Abstraction has 20 states and 23 transitions. [2023-11-12 00:42:51,611 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:42:51,612 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2023-11-12 00:42:51,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-12 00:42:51,612 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:42:51,612 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-12 00:42:51,613 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 00:42:51,613 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-12 00:42:51,613 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:42:51,614 INFO L85 PathProgramCache]: Analyzing trace with hash -1273816211, now seen corresponding path program 1 times [2023-11-12 00:42:51,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:42:51,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539343510] [2023-11-12 00:42:51,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:42:51,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:42:51,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:42:51,701 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 00:42:51,702 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:42:51,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539343510] [2023-11-12 00:42:51,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [539343510] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:42:51,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:42:51,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:42:51,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538008687] [2023-11-12 00:42:51,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:42:51,705 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 00:42:51,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:42:51,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 00:42:51,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 00:42:51,706 INFO L87 Difference]: Start difference. First operand 20 states and 23 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 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 00:42:51,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:42:51,758 INFO L93 Difference]: Finished difference Result 30 states and 34 transitions. [2023-11-12 00:42:51,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 00:42:51,759 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 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 00:42:51,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:42:51,761 INFO L225 Difference]: With dead ends: 30 [2023-11-12 00:42:51,762 INFO L226 Difference]: Without dead ends: 28 [2023-11-12 00:42:51,762 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:42:51,764 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 7 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 00:42:51,765 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 31 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 00:42:51,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2023-11-12 00:42:51,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 24. [2023-11-12 00:42:51,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 18 states have (on average 1.5555555555555556) 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 00:42:51,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 28 transitions. [2023-11-12 00:42:51,772 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 28 transitions. Word has length 6 [2023-11-12 00:42:51,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:42:51,773 INFO L495 AbstractCegarLoop]: Abstraction has 24 states and 28 transitions. [2023-11-12 00:42:51,773 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 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 00:42:51,773 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2023-11-12 00:42:51,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-12 00:42:51,774 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:42:51,774 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-12 00:42:51,774 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 00:42:51,775 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-12 00:42:51,775 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:42:51,776 INFO L85 PathProgramCache]: Analyzing trace with hash -1273816019, now seen corresponding path program 1 times [2023-11-12 00:42:51,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:42:51,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453293988] [2023-11-12 00:42:51,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:42:51,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:42:51,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:42:51,853 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 00:42:51,854 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:42:51,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453293988] [2023-11-12 00:42:51,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [453293988] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:42:51,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:42:51,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:42:51,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207575787] [2023-11-12 00:42:51,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:42:51,856 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 00:42:51,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:42:51,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 00:42:51,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 00:42:51,858 INFO L87 Difference]: Start difference. First operand 24 states and 28 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 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 00:42:51,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:42:51,914 INFO L93 Difference]: Finished difference Result 28 states and 32 transitions. [2023-11-12 00:42:51,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 00:42:51,914 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 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 00:42:51,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:42:51,915 INFO L225 Difference]: With dead ends: 28 [2023-11-12 00:42:51,916 INFO L226 Difference]: Without dead ends: 26 [2023-11-12 00:42:51,916 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:42:51,918 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 5 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 00:42:51,919 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 31 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 00:42:51,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2023-11-12 00:42:51,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2023-11-12 00:42:51,923 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 00:42:51,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 30 transitions. [2023-11-12 00:42:51,924 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 30 transitions. Word has length 6 [2023-11-12 00:42:51,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:42:51,925 INFO L495 AbstractCegarLoop]: Abstraction has 26 states and 30 transitions. [2023-11-12 00:42:51,925 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 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 00:42:51,925 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2023-11-12 00:42:51,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-12 00:42:51,926 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:42:51,926 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2023-11-12 00:42:51,927 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-12 00:42:51,927 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-12 00:42:51,927 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:42:51,928 INFO L85 PathProgramCache]: Analyzing trace with hash -826670021, now seen corresponding path program 1 times [2023-11-12 00:42:51,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:42:51,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589892145] [2023-11-12 00:42:51,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:42:51,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:42:51,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:42:52,080 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 00:42:52,081 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:42:52,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589892145] [2023-11-12 00:42:52,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1589892145] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:42:52,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1378143675] [2023-11-12 00:42:52,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:42:52,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:42:52,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d45604-64de-4370-b9c8-4d7cc25ce963/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:42:52,088 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d45604-64de-4370-b9c8-4d7cc25ce963/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:42:52,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d45604-64de-4370-b9c8-4d7cc25ce963/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 00:42:52,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:42:52,200 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-12 00:42:52,208 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:42:52,282 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 00:42:52,282 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:42:52,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1378143675] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:42:52,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-12 00:42:52,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2023-11-12 00:42:52,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579237240] [2023-11-12 00:42:52,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:42:52,285 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 00:42:52,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:42:52,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 00:42:52,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-12 00:42:52,292 INFO L87 Difference]: Start difference. First operand 26 states and 30 transitions. Second operand has 6 states, 5 states have (on average 1.4) internal successors, (7), 6 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 00:42:52,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:42:52,386 INFO L93 Difference]: Finished difference Result 42 states and 48 transitions. [2023-11-12 00:42:52,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 00:42:52,387 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.4) internal successors, (7), 6 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 00:42:52,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:42:52,388 INFO L225 Difference]: With dead ends: 42 [2023-11-12 00:42:52,388 INFO L226 Difference]: Without dead ends: 41 [2023-11-12 00:42:52,389 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2023-11-12 00:42:52,390 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 32 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 00:42:52,391 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 80 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 00:42:52,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2023-11-12 00:42:52,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 25. [2023-11-12 00:42:52,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 20 states have (on average 1.45) 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 00:42:52,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2023-11-12 00:42:52,397 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 29 transitions. Word has length 7 [2023-11-12 00:42:52,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:42:52,398 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 29 transitions. [2023-11-12 00:42:52,398 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.4) internal successors, (7), 6 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 00:42:52,398 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2023-11-12 00:42:52,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-12 00:42:52,399 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:42:52,399 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1] [2023-11-12 00:42:52,412 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d45604-64de-4370-b9c8-4d7cc25ce963/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-12 00:42:52,606 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d45604-64de-4370-b9c8-4d7cc25ce963/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:42:52,607 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-12 00:42:52,608 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:42:52,608 INFO L85 PathProgramCache]: Analyzing trace with hash 143033188, now seen corresponding path program 1 times [2023-11-12 00:42:52,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:42:52,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812898216] [2023-11-12 00:42:52,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:42:52,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:42:52,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:42:52,813 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:42:52,814 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:42:52,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812898216] [2023-11-12 00:42:52,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [812898216] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:42:52,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1113453380] [2023-11-12 00:42:52,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:42:52,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:42:52,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d45604-64de-4370-b9c8-4d7cc25ce963/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:42:52,816 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d45604-64de-4370-b9c8-4d7cc25ce963/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:42:52,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d45604-64de-4370-b9c8-4d7cc25ce963/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-12 00:42:52,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:42:52,888 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-12 00:42:52,889 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:42:52,926 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:42:52,953 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:42:53,067 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:42:53,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1113453380] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:42:53,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [936250700] [2023-11-12 00:42:53,090 INFO L159 IcfgInterpreter]: Started Sifa with 6 locations of interest [2023-11-12 00:42:53,090 INFO L166 IcfgInterpreter]: Building call graph [2023-11-12 00:42:53,106 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-12 00:42:53,112 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-12 00:42:53,113 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-12 00:42:54,263 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-12 00:42:54,789 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '387#(and (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start_main_#t~malloc206#1.offset| 0) (<= 2147483647 |ULTIMATE.start_main_#t~post207#1|) (<= 2 |ULTIMATE.start_main_~arr~0#1.base|) (= |ULTIMATE.start_main_~arr~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= 1 |ULTIMATE.start_main_~length~0#1|) (<= 2 |ULTIMATE.start_main_#t~malloc206#1.base|))' at error location [2023-11-12 00:42:54,790 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-11-12 00:42:54,790 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-12 00:42:54,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2023-11-12 00:42:54,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002863259] [2023-11-12 00:42:54,790 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-12 00:42:54,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-12 00:42:54,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:42:54,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-12 00:42:54,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2023-11-12 00:42:54,793 INFO L87 Difference]: Start difference. First operand 25 states and 29 transitions. Second operand has 12 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 12 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 00:42:54,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:42:54,954 INFO L93 Difference]: Finished difference Result 99 states and 116 transitions. [2023-11-12 00:42:54,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-12 00:42:54,955 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 12 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 8 [2023-11-12 00:42:54,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:42:54,957 INFO L225 Difference]: With dead ends: 99 [2023-11-12 00:42:54,960 INFO L226 Difference]: Without dead ends: 98 [2023-11-12 00:42:54,961 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 11 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=86, Invalid=294, Unknown=0, NotChecked=0, Total=380 [2023-11-12 00:42:54,962 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 84 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 00:42:54,966 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 83 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 00:42:54,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2023-11-12 00:42:54,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 34. [2023-11-12 00:42:54,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 29 states have (on average 1.4137931034482758) internal successors, (41), 33 states have internal predecessors, (41), 0 states have call successors, (0), 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 00:42:54,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 41 transitions. [2023-11-12 00:42:54,982 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 41 transitions. Word has length 8 [2023-11-12 00:42:54,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:42:54,987 INFO L495 AbstractCegarLoop]: Abstraction has 34 states and 41 transitions. [2023-11-12 00:42:54,987 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 12 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 00:42:54,992 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2023-11-12 00:42:54,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-12 00:42:54,994 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:42:54,994 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2023-11-12 00:42:55,004 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d45604-64de-4370-b9c8-4d7cc25ce963/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-12 00:42:55,200 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d45604-64de-4370-b9c8-4d7cc25ce963/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:42:55,200 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-12 00:42:55,200 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:42:55,201 INFO L85 PathProgramCache]: Analyzing trace with hash -181109016, now seen corresponding path program 1 times [2023-11-12 00:42:55,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:42:55,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764992648] [2023-11-12 00:42:55,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:42:55,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:42:55,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:42:55,284 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 00:42:55,284 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:42:55,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764992648] [2023-11-12 00:42:55,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764992648] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:42:55,285 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:42:55,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:42:55,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064759470] [2023-11-12 00:42:55,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:42:55,286 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 00:42:55,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:42:55,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 00:42:55,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 00:42:55,289 INFO L87 Difference]: Start difference. First operand 34 states and 41 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:42:55,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:42:55,325 INFO L93 Difference]: Finished difference Result 35 states and 42 transitions. [2023-11-12 00:42:55,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 00:42:55,326 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2023-11-12 00:42:55,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:42:55,327 INFO L225 Difference]: With dead ends: 35 [2023-11-12 00:42:55,327 INFO L226 Difference]: Without dead ends: 34 [2023-11-12 00:42:55,328 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 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 00:42:55,329 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 9 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 00:42:55,329 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 20 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 00:42:55,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2023-11-12 00:42:55,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 33. [2023-11-12 00:42:55,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 29 states have (on average 1.3793103448275863) internal successors, (40), 32 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:42:55,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 40 transitions. [2023-11-12 00:42:55,336 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 40 transitions. Word has length 10 [2023-11-12 00:42:55,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:42:55,336 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 40 transitions. [2023-11-12 00:42:55,337 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:42:55,337 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 40 transitions. [2023-11-12 00:42:55,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-12 00:42:55,337 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:42:55,338 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:42:55,338 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-12 00:42:55,338 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-12 00:42:55,339 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:42:55,339 INFO L85 PathProgramCache]: Analyzing trace with hash -181108824, now seen corresponding path program 1 times [2023-11-12 00:42:55,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:42:55,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205088935] [2023-11-12 00:42:55,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:42:55,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:42:55,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:42:55,402 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-12 00:42:55,403 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:42:55,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205088935] [2023-11-12 00:42:55,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1205088935] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:42:55,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:42:55,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:42:55,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958405034] [2023-11-12 00:42:55,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:42:55,405 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 00:42:55,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:42:55,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 00:42:55,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 00:42:55,406 INFO L87 Difference]: Start difference. First operand 33 states and 40 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:42:55,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:42:55,436 INFO L93 Difference]: Finished difference Result 33 states and 40 transitions. [2023-11-12 00:42:55,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 00:42:55,437 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2023-11-12 00:42:55,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:42:55,438 INFO L225 Difference]: With dead ends: 33 [2023-11-12 00:42:55,438 INFO L226 Difference]: Without dead ends: 32 [2023-11-12 00:42:55,438 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:42:55,439 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 8 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 00:42:55,440 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 18 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 00:42:55,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2023-11-12 00:42:55,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2023-11-12 00:42:55,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 29 states have (on average 1.3448275862068966) internal successors, (39), 31 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:42:55,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2023-11-12 00:42:55,446 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 39 transitions. Word has length 10 [2023-11-12 00:42:55,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:42:55,446 INFO L495 AbstractCegarLoop]: Abstraction has 32 states and 39 transitions. [2023-11-12 00:42:55,446 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:42:55,446 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2023-11-12 00:42:55,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-12 00:42:55,447 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:42:55,448 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1] [2023-11-12 00:42:55,448 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-12 00:42:55,448 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-12 00:42:55,448 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:42:55,449 INFO L85 PathProgramCache]: Analyzing trace with hash -1319412117, now seen corresponding path program 1 times [2023-11-12 00:42:55,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:42:55,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711710642] [2023-11-12 00:42:55,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:42:55,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:42:55,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:42:55,503 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-12 00:42:55,503 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:42:55,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711710642] [2023-11-12 00:42:55,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711710642] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:42:55,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:42:55,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 00:42:55,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352338723] [2023-11-12 00:42:55,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:42:55,505 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 00:42:55,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:42:55,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 00:42:55,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 00:42:55,506 INFO L87 Difference]: Start difference. First operand 32 states and 39 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:42:55,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:42:55,542 INFO L93 Difference]: Finished difference Result 46 states and 55 transitions. [2023-11-12 00:42:55,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 00:42:55,542 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2023-11-12 00:42:55,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:42:55,543 INFO L225 Difference]: With dead ends: 46 [2023-11-12 00:42:55,543 INFO L226 Difference]: Without dead ends: 32 [2023-11-12 00:42:55,544 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 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 00:42:55,545 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 3 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 00:42:55,545 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 32 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 00:42:55,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2023-11-12 00:42:55,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2023-11-12 00:42:55,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 31 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:42:55,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 38 transitions. [2023-11-12 00:42:55,551 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 38 transitions. Word has length 11 [2023-11-12 00:42:55,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:42:55,552 INFO L495 AbstractCegarLoop]: Abstraction has 32 states and 38 transitions. [2023-11-12 00:42:55,552 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:42:55,552 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 38 transitions. [2023-11-12 00:42:55,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-12 00:42:55,557 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:42:55,557 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:42:55,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-12 00:42:55,557 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-12 00:42:55,558 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:42:55,558 INFO L85 PathProgramCache]: Analyzing trace with hash -676909692, now seen corresponding path program 1 times [2023-11-12 00:42:55,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:42:55,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785236497] [2023-11-12 00:42:55,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:42:55,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:42:55,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:42:55,647 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-12 00:42:55,647 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:42:55,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785236497] [2023-11-12 00:42:55,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785236497] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:42:55,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1603005081] [2023-11-12 00:42:55,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:42:55,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:42:55,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d45604-64de-4370-b9c8-4d7cc25ce963/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:42:55,649 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d45604-64de-4370-b9c8-4d7cc25ce963/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:42:55,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d45604-64de-4370-b9c8-4d7cc25ce963/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-12 00:42:55,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:42:55,731 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-12 00:42:55,734 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:42:55,853 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:42:55,853 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:42:55,954 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:42:55,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1603005081] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:42:55,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1261768175] [2023-11-12 00:42:55,963 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2023-11-12 00:42:55,963 INFO L166 IcfgInterpreter]: Building call graph [2023-11-12 00:42:55,964 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-12 00:42:55,964 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-12 00:42:55,965 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-12 00:42:57,056 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-12 00:42:57,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1261768175] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:42:57,765 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2023-11-12 00:42:57,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5, 8, 8] total 21 [2023-11-12 00:42:57,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679781596] [2023-11-12 00:42:57,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:42:57,767 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-12 00:42:57,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:42:57,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-12 00:42:57,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=370, Unknown=0, NotChecked=0, Total=420 [2023-11-12 00:42:57,768 INFO L87 Difference]: Start difference. First operand 32 states and 38 transitions. Second operand has 8 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:42:58,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:42:58,542 INFO L93 Difference]: Finished difference Result 33 states and 39 transitions. [2023-11-12 00:42:58,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-12 00:42:58,543 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2023-11-12 00:42:58,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:42:58,544 INFO L225 Difference]: With dead ends: 33 [2023-11-12 00:42:58,544 INFO L226 Difference]: Without dead ends: 32 [2023-11-12 00:42:58,545 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 19 SyntacticMatches, 7 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=82, Invalid=568, Unknown=0, NotChecked=0, Total=650 [2023-11-12 00:42:58,546 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 32 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 00:42:58,546 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 10 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 00:42:58,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2023-11-12 00:42:58,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 29. [2023-11-12 00:42:58,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 27 states have (on average 1.2962962962962963) internal successors, (35), 28 states have internal predecessors, (35), 0 states have call successors, (0), 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 00:42:58,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 35 transitions. [2023-11-12 00:42:58,566 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 35 transitions. Word has length 14 [2023-11-12 00:42:58,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:42:58,567 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 35 transitions. [2023-11-12 00:42:58,567 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:42:58,567 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 35 transitions. [2023-11-12 00:42:58,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-12 00:42:58,568 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:42:58,568 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:42:58,581 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d45604-64de-4370-b9c8-4d7cc25ce963/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-12 00:42:58,781 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d45604-64de-4370-b9c8-4d7cc25ce963/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:42:58,781 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-12 00:42:58,782 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:42:58,783 INFO L85 PathProgramCache]: Analyzing trace with hash -676903734, now seen corresponding path program 1 times [2023-11-12 00:42:58,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:42:58,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996036263] [2023-11-12 00:42:58,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:42:58,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:42:58,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:42:58,896 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-12 00:42:58,896 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:42:58,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996036263] [2023-11-12 00:42:58,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996036263] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:42:58,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1290509635] [2023-11-12 00:42:58,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:42:58,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:42:58,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d45604-64de-4370-b9c8-4d7cc25ce963/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:42:58,899 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d45604-64de-4370-b9c8-4d7cc25ce963/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:42:58,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d45604-64de-4370-b9c8-4d7cc25ce963/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-12 00:42:58,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:42:58,966 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-12 00:42:58,971 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:42:59,061 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:42:59,062 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:42:59,159 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:42:59,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1290509635] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:42:59,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1667290876] [2023-11-12 00:42:59,162 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2023-11-12 00:42:59,163 INFO L166 IcfgInterpreter]: Building call graph [2023-11-12 00:42:59,163 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-12 00:42:59,163 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-12 00:42:59,163 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-12 00:43:00,112 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-12 00:43:00,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1667290876] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:43:00,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2023-11-12 00:43:00,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5, 8, 8] total 22 [2023-11-12 00:43:00,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374230483] [2023-11-12 00:43:00,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:43:00,854 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-12 00:43:00,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:43:00,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-12 00:43:00,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=410, Unknown=0, NotChecked=0, Total=462 [2023-11-12 00:43:00,855 INFO L87 Difference]: Start difference. First operand 29 states and 35 transitions. Second operand has 9 states, 8 states have (on average 1.625) internal successors, (13), 8 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:43:01,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:43:01,836 INFO L93 Difference]: Finished difference Result 30 states and 36 transitions. [2023-11-12 00:43:01,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-12 00:43:01,837 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 1.625) internal successors, (13), 8 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2023-11-12 00:43:01,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:43:01,838 INFO L225 Difference]: With dead ends: 30 [2023-11-12 00:43:01,838 INFO L226 Difference]: Without dead ends: 18 [2023-11-12 00:43:01,839 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 18 SyntacticMatches, 7 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=92, Invalid=664, Unknown=0, NotChecked=0, Total=756 [2023-11-12 00:43:01,840 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 27 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 00:43:01,840 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 0 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 00:43:01,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2023-11-12 00:43:01,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2023-11-12 00:43:01,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 17 states have (on average 1.0588235294117647) internal successors, (18), 17 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:43:01,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2023-11-12 00:43:01,849 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 14 [2023-11-12 00:43:01,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:43:01,850 INFO L495 AbstractCegarLoop]: Abstraction has 18 states and 18 transitions. [2023-11-12 00:43:01,850 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 1.625) internal successors, (13), 8 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:43:01,850 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2023-11-12 00:43:01,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-12 00:43:01,877 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:43:01,877 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 1, 1, 1] [2023-11-12 00:43:01,890 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d45604-64de-4370-b9c8-4d7cc25ce963/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-12 00:43:02,083 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d45604-64de-4370-b9c8-4d7cc25ce963/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:43:02,083 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-12 00:43:02,084 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:43:02,084 INFO L85 PathProgramCache]: Analyzing trace with hash -742739893, now seen corresponding path program 2 times [2023-11-12 00:43:02,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:43:02,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667828062] [2023-11-12 00:43:02,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:43:02,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:43:02,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:43:02,286 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:43:02,286 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:43:02,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667828062] [2023-11-12 00:43:02,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [667828062] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:43:02,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [879546440] [2023-11-12 00:43:02,287 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-12 00:43:02,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:43:02,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d45604-64de-4370-b9c8-4d7cc25ce963/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:43:02,288 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d45604-64de-4370-b9c8-4d7cc25ce963/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:43:02,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d45604-64de-4370-b9c8-4d7cc25ce963/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-12 00:43:02,365 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2023-11-12 00:43:02,365 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-12 00:43:02,366 INFO L262 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-12 00:43:02,368 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:43:02,460 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-12 00:43:02,460 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:43:02,497 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-12 00:43:02,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [879546440] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:43:02,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [14040202] [2023-11-12 00:43:02,502 INFO L159 IcfgInterpreter]: Started Sifa with 6 locations of interest [2023-11-12 00:43:02,502 INFO L166 IcfgInterpreter]: Building call graph [2023-11-12 00:43:02,502 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-12 00:43:02,503 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-12 00:43:02,503 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-12 00:43:03,006 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-12 00:43:03,541 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1299#(and (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start_main_#t~malloc206#1.offset| 0) (<= 2147483647 |ULTIMATE.start_main_#t~post207#1|) (<= 2 |ULTIMATE.start_main_~arr~0#1.base|) (= |ULTIMATE.start_main_~arr~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= 1 |ULTIMATE.start_main_~length~0#1|) (<= 2 |ULTIMATE.start_main_#t~malloc206#1.base|))' at error location [2023-11-12 00:43:03,541 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-11-12 00:43:03,541 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-12 00:43:03,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 2, 2] total 14 [2023-11-12 00:43:03,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137673997] [2023-11-12 00:43:03,542 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-12 00:43:03,542 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-12 00:43:03,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:43:03,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-12 00:43:03,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=278, Unknown=0, NotChecked=0, Total=342 [2023-11-12 00:43:03,543 INFO L87 Difference]: Start difference. First operand 18 states and 18 transitions. Second operand has 15 states, 14 states have (on average 2.2142857142857144) internal successors, (31), 15 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 00:43:03,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:43:03,820 INFO L93 Difference]: Finished difference Result 21 states and 22 transitions. [2023-11-12 00:43:03,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-12 00:43:03,821 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 2.2142857142857144) internal successors, (31), 15 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) Word has length 17 [2023-11-12 00:43:03,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:43:03,821 INFO L225 Difference]: With dead ends: 21 [2023-11-12 00:43:03,822 INFO L226 Difference]: Without dead ends: 0 [2023-11-12 00:43:03,822 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 38 SyntacticMatches, 5 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 195 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=199, Invalid=671, Unknown=0, NotChecked=0, Total=870 [2023-11-12 00:43:03,823 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 16 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 00:43:03,824 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 4 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 00:43:03,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-12 00:43:03,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-12 00:43:03,825 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 00:43:03,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-12 00:43:03,825 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2023-11-12 00:43:03,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:43:03,825 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-12 00:43:03,825 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 2.2142857142857144) internal successors, (31), 15 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 00:43:03,826 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-12 00:43:03,826 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-12 00:43:03,828 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2023-11-12 00:43:03,829 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2023-11-12 00:43:03,829 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2023-11-12 00:43:03,830 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2023-11-12 00:43:03,830 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2023-11-12 00:43:03,830 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2023-11-12 00:43:03,841 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d45604-64de-4370-b9c8-4d7cc25ce963/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-12 00:43:04,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d45604-64de-4370-b9c8-4d7cc25ce963/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:43:04,033 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-12 00:43:04,755 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 379) no Hoare annotation was computed. [2023-11-12 00:43:04,756 INFO L899 garLoopResultBuilder]: For program point L378(lines 378 382) no Hoare annotation was computed. [2023-11-12 00:43:04,756 INFO L895 garLoopResultBuilder]: At program point L378-2(lines 377 383) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_main_~i~0#1| 0))) (or (and (exists ((|v_#valid_23| (Array Int Int))) (and (= (select |v_#valid_23| |ULTIMATE.start_main_#t~malloc206#1.base|) 0) (= (select |v_#valid_23| 0) 0) (= (store |v_#valid_23| |ULTIMATE.start_main_#t~malloc206#1.base| 1) |#valid|))) (<= 1 |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~i~0#1| 2147483647) (= |ULTIMATE.start_main_#t~malloc206#1.offset| 0) (exists ((|v_ULTIMATE.start_main_~length~0#1_23| Int)) (and (<= 0 (+ |v_ULTIMATE.start_main_~length~0#1_23| 2147483648)) (<= |v_ULTIMATE.start_main_~length~0#1_23| 2147483647) (or (and (<= 1 |v_ULTIMATE.start_main_~length~0#1_23|) (= |ULTIMATE.start_main_~length~0#1| |v_ULTIMATE.start_main_~length~0#1_23|)) (and (<= |v_ULTIMATE.start_main_~length~0#1_23| 0) (= |ULTIMATE.start_main_~length~0#1| 1))))) (= |ULTIMATE.start_main_~arr~0#1.offset| 0) (= |ULTIMATE.start_main_#t~malloc206#1.base| |ULTIMATE.start_main_~arr~0#1.base|) (or .cse0 (exists ((|v_ULTIMATE.start_main_~i~0#1_33| Int)) (and (<= 0 |v_ULTIMATE.start_main_~i~0#1_33|) (<= 1 |ULTIMATE.start_main_~i~0#1|) (<= 1 |ULTIMATE.start_main_~length~0#1|)))) (exists ((|v_#length_12| (Array Int Int))) (= (store |v_#length_12| |ULTIMATE.start_main_#t~malloc206#1.base| (* (mod |ULTIMATE.start_main_~length~0#1| 4611686018427387904) 4)) |#length|)) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_#t~malloc206#1.base|)) (and .cse0 (<= |ULTIMATE.start_main_~length~0#1| 0) (= |ULTIMATE.start_main_~j~0#1| 0)))) [2023-11-12 00:43:04,756 INFO L899 garLoopResultBuilder]: For program point L370-3(line 370) no Hoare annotation was computed. [2023-11-12 00:43:04,756 INFO L899 garLoopResultBuilder]: For program point L370-4(line 370) no Hoare annotation was computed. [2023-11-12 00:43:04,757 INFO L895 garLoopResultBuilder]: At program point L370-5(lines 370 375) the Hoare annotation is: (let ((.cse0 (<= 1 |#StackHeapBarrier|)) (.cse1 (= |ULTIMATE.start_main_#t~malloc206#1.offset| 0)) (.cse2 (exists ((|v_ULTIMATE.start_main_~length~0#1_23| Int)) (and (<= 0 (+ |v_ULTIMATE.start_main_~length~0#1_23| 2147483648)) (<= |v_ULTIMATE.start_main_~length~0#1_23| 2147483647) (or (and (<= 1 |v_ULTIMATE.start_main_~length~0#1_23|) (= |ULTIMATE.start_main_~length~0#1| |v_ULTIMATE.start_main_~length~0#1_23|)) (and (<= |v_ULTIMATE.start_main_~length~0#1_23| 0) (= |ULTIMATE.start_main_~length~0#1| 1)))))) (.cse3 (exists ((|v_#valid_24| (Array Int Int))) (and (= (select |v_#valid_24| |ULTIMATE.start_main_#t~malloc206#1.base|) 0) (= (select |v_#valid_24| 0) 0) (= |#valid| (store |v_#valid_24| |ULTIMATE.start_main_#t~malloc206#1.base| 1))))) (.cse4 (= |ULTIMATE.start_main_~arr~0#1.offset| 0)) (.cse5 (= |ULTIMATE.start_main_#t~malloc206#1.base| |ULTIMATE.start_main_~arr~0#1.base|)) (.cse6 (exists ((|v_#length_12| (Array Int Int))) (= (store |v_#length_12| |ULTIMATE.start_main_#t~malloc206#1.base| (* (mod |ULTIMATE.start_main_~length~0#1| 4611686018427387904) 4)) |#length|))) (.cse7 (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_#t~malloc206#1.base|))) (or (and .cse0 (= |ULTIMATE.start_main_~i~0#1| 0) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 (<= 1 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 2147483647) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7))) [2023-11-12 00:43:04,757 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 364 385) no Hoare annotation was computed. [2023-11-12 00:43:04,757 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 370) no Hoare annotation was computed. [2023-11-12 00:43:04,757 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 381) no Hoare annotation was computed. [2023-11-12 00:43:04,757 INFO L899 garLoopResultBuilder]: For program point L379(line 379) no Hoare annotation was computed. [2023-11-12 00:43:04,757 INFO L899 garLoopResultBuilder]: For program point L379-1(line 379) no Hoare annotation was computed. [2023-11-12 00:43:04,757 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 370) no Hoare annotation was computed. [2023-11-12 00:43:04,757 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-12 00:43:04,757 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 381) no Hoare annotation was computed. [2023-11-12 00:43:04,758 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-12 00:43:04,758 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 379) no Hoare annotation was computed. [2023-11-12 00:43:04,758 INFO L899 garLoopResultBuilder]: For program point L381(line 381) no Hoare annotation was computed. [2023-11-12 00:43:04,758 INFO L899 garLoopResultBuilder]: For program point L381-1(line 381) no Hoare annotation was computed. [2023-11-12 00:43:04,758 INFO L899 garLoopResultBuilder]: For program point L369(line 369) no Hoare annotation was computed. [2023-11-12 00:43:04,768 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:43:04,771 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 00:43:04,788 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~malloc206!offset could not be translated [2023-11-12 00:43:04,789 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_~length~0#1_23 : int :: (0 <= v_ULTIMATE.start_main_~length~0#1_23 + 2147483648 && v_ULTIMATE.start_main_~length~0#1_23 <= 2147483647) && ((1 <= v_ULTIMATE.start_main_~length~0#1_23 && ~length~0 == v_ULTIMATE.start_main_~length~0#1_23) || (v_ULTIMATE.start_main_~length~0#1_23 <= 0 && ~length~0 == 1))) could not be translated [2023-11-12 00:43:04,790 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_#valid_24 : [int]int :: (v_#valid_24[#t~malloc206!base] == 0 && v_#valid_24[0] == 0) && #valid == v_#valid_24[#t~malloc206!base := 1]) could not be translated [2023-11-12 00:43:04,790 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~malloc206!base could not be translated [2023-11-12 00:43:04,790 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_#length_12 : [int]int :: v_#length_12[#t~malloc206!base := ~length~0 % 4611686018427387904 * 4] == #length) could not be translated [2023-11-12 00:43:04,790 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~malloc206!base could not be translated [2023-11-12 00:43:04,791 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~malloc206!offset could not be translated [2023-11-12 00:43:04,791 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_~length~0#1_23 : int :: (0 <= v_ULTIMATE.start_main_~length~0#1_23 + 2147483648 && v_ULTIMATE.start_main_~length~0#1_23 <= 2147483647) && ((1 <= v_ULTIMATE.start_main_~length~0#1_23 && ~length~0 == v_ULTIMATE.start_main_~length~0#1_23) || (v_ULTIMATE.start_main_~length~0#1_23 <= 0 && ~length~0 == 1))) could not be translated [2023-11-12 00:43:04,791 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_#valid_24 : [int]int :: (v_#valid_24[#t~malloc206!base] == 0 && v_#valid_24[0] == 0) && #valid == v_#valid_24[#t~malloc206!base := 1]) could not be translated [2023-11-12 00:43:04,791 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~malloc206!base could not be translated [2023-11-12 00:43:04,792 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_#length_12 : [int]int :: v_#length_12[#t~malloc206!base := ~length~0 % 4611686018427387904 * 4] == #length) could not be translated [2023-11-12 00:43:04,792 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~malloc206!base could not be translated [2023-11-12 00:43:04,798 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~malloc206!offset could not be translated [2023-11-12 00:43:04,798 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_~length~0#1_23 : int :: (0 <= v_ULTIMATE.start_main_~length~0#1_23 + 2147483648 && v_ULTIMATE.start_main_~length~0#1_23 <= 2147483647) && ((1 <= v_ULTIMATE.start_main_~length~0#1_23 && ~length~0 == v_ULTIMATE.start_main_~length~0#1_23) || (v_ULTIMATE.start_main_~length~0#1_23 <= 0 && ~length~0 == 1))) could not be translated [2023-11-12 00:43:04,799 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_#valid_24 : [int]int :: (v_#valid_24[#t~malloc206!base] == 0 && v_#valid_24[0] == 0) && #valid == v_#valid_24[#t~malloc206!base := 1]) could not be translated [2023-11-12 00:43:04,799 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~malloc206!base could not be translated [2023-11-12 00:43:04,799 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_#length_12 : [int]int :: v_#length_12[#t~malloc206!base := ~length~0 % 4611686018427387904 * 4] == #length) could not be translated [2023-11-12 00:43:04,799 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~malloc206!base could not be translated [2023-11-12 00:43:04,800 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~malloc206!offset could not be translated [2023-11-12 00:43:04,800 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_~length~0#1_23 : int :: (0 <= v_ULTIMATE.start_main_~length~0#1_23 + 2147483648 && v_ULTIMATE.start_main_~length~0#1_23 <= 2147483647) && ((1 <= v_ULTIMATE.start_main_~length~0#1_23 && ~length~0 == v_ULTIMATE.start_main_~length~0#1_23) || (v_ULTIMATE.start_main_~length~0#1_23 <= 0 && ~length~0 == 1))) could not be translated [2023-11-12 00:43:04,800 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_#valid_24 : [int]int :: (v_#valid_24[#t~malloc206!base] == 0 && v_#valid_24[0] == 0) && #valid == v_#valid_24[#t~malloc206!base := 1]) could not be translated [2023-11-12 00:43:04,800 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~malloc206!base could not be translated [2023-11-12 00:43:04,801 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_#length_12 : [int]int :: v_#length_12[#t~malloc206!base := ~length~0 % 4611686018427387904 * 4] == #length) could not be translated [2023-11-12 00:43:04,801 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~malloc206!base could not be translated [2023-11-12 00:43:04,804 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_#valid_23 : [int]int :: (v_#valid_23[#t~malloc206!base] == 0 && v_#valid_23[0] == 0) && v_#valid_23[#t~malloc206!base := 1] == #valid) could not be translated [2023-11-12 00:43:04,810 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~malloc206!offset could not be translated [2023-11-12 00:43:04,811 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_~length~0#1_23 : int :: (0 <= v_ULTIMATE.start_main_~length~0#1_23 + 2147483648 && v_ULTIMATE.start_main_~length~0#1_23 <= 2147483647) && ((1 <= v_ULTIMATE.start_main_~length~0#1_23 && ~length~0 == v_ULTIMATE.start_main_~length~0#1_23) || (v_ULTIMATE.start_main_~length~0#1_23 <= 0 && ~length~0 == 1))) could not be translated [2023-11-12 00:43:04,811 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~malloc206!base could not be translated [2023-11-12 00:43:04,811 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_~i~0#1_33 : int :: (0 <= v_ULTIMATE.start_main_~i~0#1_33 && 1 <= ~i~0) && 1 <= ~length~0) could not be translated [2023-11-12 00:43:04,812 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_#length_12 : [int]int :: v_#length_12[#t~malloc206!base := ~length~0 % 4611686018427387904 * 4] == #length) could not be translated [2023-11-12 00:43:04,812 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~malloc206!base could not be translated [2023-11-12 00:43:04,813 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_#valid_23 : [int]int :: (v_#valid_23[#t~malloc206!base] == 0 && v_#valid_23[0] == 0) && v_#valid_23[#t~malloc206!base := 1] == #valid) could not be translated [2023-11-12 00:43:04,813 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~malloc206!offset could not be translated [2023-11-12 00:43:04,813 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_~length~0#1_23 : int :: (0 <= v_ULTIMATE.start_main_~length~0#1_23 + 2147483648 && v_ULTIMATE.start_main_~length~0#1_23 <= 2147483647) && ((1 <= v_ULTIMATE.start_main_~length~0#1_23 && ~length~0 == v_ULTIMATE.start_main_~length~0#1_23) || (v_ULTIMATE.start_main_~length~0#1_23 <= 0 && ~length~0 == 1))) could not be translated [2023-11-12 00:43:04,813 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~malloc206!base could not be translated [2023-11-12 00:43:04,814 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_~i~0#1_33 : int :: (0 <= v_ULTIMATE.start_main_~i~0#1_33 && 1 <= ~i~0) && 1 <= ~length~0) could not be translated [2023-11-12 00:43:04,814 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_#length_12 : [int]int :: v_#length_12[#t~malloc206!base := ~length~0 % 4611686018427387904 * 4] == #length) could not be translated [2023-11-12 00:43:04,814 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~malloc206!base could not be translated [2023-11-12 00:43:04,816 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:43:04 BoogieIcfgContainer [2023-11-12 00:43:04,816 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 00:43:04,817 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:43:04,817 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:43:04,817 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:43:04,817 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:42:50" (3/4) ... [2023-11-12 00:43:04,819 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-12 00:43:04,829 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-11-12 00:43:04,829 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-12 00:43:04,829 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-12 00:43:04,830 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-12 00:43:04,942 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d45604-64de-4370-b9c8-4d7cc25ce963/bin/utaipan-verify-NcY6lQBIFX/witness.graphml [2023-11-12 00:43:04,943 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d45604-64de-4370-b9c8-4d7cc25ce963/bin/utaipan-verify-NcY6lQBIFX/witness.yml [2023-11-12 00:43:04,943 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:43:04,944 INFO L158 Benchmark]: Toolchain (without parser) took 15481.65ms. Allocated memory was 165.7MB in the beginning and 346.0MB in the end (delta: 180.4MB). Free memory was 126.6MB in the beginning and 204.9MB in the end (delta: -78.4MB). Peak memory consumption was 101.7MB. Max. memory is 16.1GB. [2023-11-12 00:43:04,944 INFO L158 Benchmark]: CDTParser took 1.49ms. Allocated memory is still 109.1MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:43:04,945 INFO L158 Benchmark]: CACSL2BoogieTranslator took 588.86ms. Allocated memory is still 165.7MB. Free memory was 126.6MB in the beginning and 108.9MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-12 00:43:04,946 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.74ms. Allocated memory is still 165.7MB. Free memory was 108.9MB in the beginning and 106.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:43:04,946 INFO L158 Benchmark]: Boogie Preprocessor took 39.57ms. Allocated memory is still 165.7MB. Free memory was 106.9MB in the beginning and 105.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:43:04,946 INFO L158 Benchmark]: RCFGBuilder took 680.14ms. Allocated memory is still 165.7MB. Free memory was 105.6MB in the beginning and 126.2MB in the end (delta: -20.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-12 00:43:04,947 INFO L158 Benchmark]: TraceAbstraction took 13964.27ms. Allocated memory was 165.7MB in the beginning and 346.0MB in the end (delta: 180.4MB). Free memory was 125.5MB in the beginning and 209.1MB in the end (delta: -83.7MB). Peak memory consumption was 99.2MB. Max. memory is 16.1GB. [2023-11-12 00:43:04,947 INFO L158 Benchmark]: Witness Printer took 126.65ms. Allocated memory is still 346.0MB. Free memory was 209.1MB in the beginning and 204.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 00:43:04,950 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.49ms. Allocated memory is still 109.1MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 588.86ms. Allocated memory is still 165.7MB. Free memory was 126.6MB in the beginning and 108.9MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.74ms. Allocated memory is still 165.7MB. Free memory was 108.9MB in the beginning and 106.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.57ms. Allocated memory is still 165.7MB. Free memory was 106.9MB in the beginning and 105.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 680.14ms. Allocated memory is still 165.7MB. Free memory was 105.6MB in the beginning and 126.2MB in the end (delta: -20.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 13964.27ms. Allocated memory was 165.7MB in the beginning and 346.0MB in the end (delta: 180.4MB). Free memory was 125.5MB in the beginning and 209.1MB in the end (delta: -83.7MB). Peak memory consumption was 99.2MB. Max. memory is 16.1GB. * Witness Printer took 126.65ms. Allocated memory is still 346.0MB. Free memory was 209.1MB in the beginning and 204.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~malloc206!offset could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_~length~0#1_23 : int :: (0 <= v_ULTIMATE.start_main_~length~0#1_23 + 2147483648 && v_ULTIMATE.start_main_~length~0#1_23 <= 2147483647) && ((1 <= v_ULTIMATE.start_main_~length~0#1_23 && ~length~0 == v_ULTIMATE.start_main_~length~0#1_23) || (v_ULTIMATE.start_main_~length~0#1_23 <= 0 && ~length~0 == 1))) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_#valid_24 : [int]int :: (v_#valid_24[#t~malloc206!base] == 0 && v_#valid_24[0] == 0) && #valid == v_#valid_24[#t~malloc206!base := 1]) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~malloc206!base could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_#length_12 : [int]int :: v_#length_12[#t~malloc206!base := ~length~0 % 4611686018427387904 * 4] == #length) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~malloc206!base could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~malloc206!offset could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_~length~0#1_23 : int :: (0 <= v_ULTIMATE.start_main_~length~0#1_23 + 2147483648 && v_ULTIMATE.start_main_~length~0#1_23 <= 2147483647) && ((1 <= v_ULTIMATE.start_main_~length~0#1_23 && ~length~0 == v_ULTIMATE.start_main_~length~0#1_23) || (v_ULTIMATE.start_main_~length~0#1_23 <= 0 && ~length~0 == 1))) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_#valid_24 : [int]int :: (v_#valid_24[#t~malloc206!base] == 0 && v_#valid_24[0] == 0) && #valid == v_#valid_24[#t~malloc206!base := 1]) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~malloc206!base could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_#length_12 : [int]int :: v_#length_12[#t~malloc206!base := ~length~0 % 4611686018427387904 * 4] == #length) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~malloc206!base could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~malloc206!offset could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_~length~0#1_23 : int :: (0 <= v_ULTIMATE.start_main_~length~0#1_23 + 2147483648 && v_ULTIMATE.start_main_~length~0#1_23 <= 2147483647) && ((1 <= v_ULTIMATE.start_main_~length~0#1_23 && ~length~0 == v_ULTIMATE.start_main_~length~0#1_23) || (v_ULTIMATE.start_main_~length~0#1_23 <= 0 && ~length~0 == 1))) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_#valid_24 : [int]int :: (v_#valid_24[#t~malloc206!base] == 0 && v_#valid_24[0] == 0) && #valid == v_#valid_24[#t~malloc206!base := 1]) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~malloc206!base could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_#length_12 : [int]int :: v_#length_12[#t~malloc206!base := ~length~0 % 4611686018427387904 * 4] == #length) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~malloc206!base could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~malloc206!offset could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_~length~0#1_23 : int :: (0 <= v_ULTIMATE.start_main_~length~0#1_23 + 2147483648 && v_ULTIMATE.start_main_~length~0#1_23 <= 2147483647) && ((1 <= v_ULTIMATE.start_main_~length~0#1_23 && ~length~0 == v_ULTIMATE.start_main_~length~0#1_23) || (v_ULTIMATE.start_main_~length~0#1_23 <= 0 && ~length~0 == 1))) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_#valid_24 : [int]int :: (v_#valid_24[#t~malloc206!base] == 0 && v_#valid_24[0] == 0) && #valid == v_#valid_24[#t~malloc206!base := 1]) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~malloc206!base could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_#length_12 : [int]int :: v_#length_12[#t~malloc206!base := ~length~0 % 4611686018427387904 * 4] == #length) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~malloc206!base could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_#valid_23 : [int]int :: (v_#valid_23[#t~malloc206!base] == 0 && v_#valid_23[0] == 0) && v_#valid_23[#t~malloc206!base := 1] == #valid) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~malloc206!offset could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_~length~0#1_23 : int :: (0 <= v_ULTIMATE.start_main_~length~0#1_23 + 2147483648 && v_ULTIMATE.start_main_~length~0#1_23 <= 2147483647) && ((1 <= v_ULTIMATE.start_main_~length~0#1_23 && ~length~0 == v_ULTIMATE.start_main_~length~0#1_23) || (v_ULTIMATE.start_main_~length~0#1_23 <= 0 && ~length~0 == 1))) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~malloc206!base could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_~i~0#1_33 : int :: (0 <= v_ULTIMATE.start_main_~i~0#1_33 && 1 <= ~i~0) && 1 <= ~length~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_#length_12 : [int]int :: v_#length_12[#t~malloc206!base := ~length~0 % 4611686018427387904 * 4] == #length) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~malloc206!base could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_#valid_23 : [int]int :: (v_#valid_23[#t~malloc206!base] == 0 && v_#valid_23[0] == 0) && v_#valid_23[#t~malloc206!base := 1] == #valid) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~malloc206!offset could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_~length~0#1_23 : int :: (0 <= v_ULTIMATE.start_main_~length~0#1_23 + 2147483648 && v_ULTIMATE.start_main_~length~0#1_23 <= 2147483647) && ((1 <= v_ULTIMATE.start_main_~length~0#1_23 && ~length~0 == v_ULTIMATE.start_main_~length~0#1_23) || (v_ULTIMATE.start_main_~length~0#1_23 <= 0 && ~length~0 == 1))) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~malloc206!base could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_~i~0#1_33 : int :: (0 <= v_ULTIMATE.start_main_~i~0#1_33 && 1 <= ~i~0) && 1 <= ~length~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_#length_12 : [int]int :: v_#length_12[#t~malloc206!base := ~length~0 % 4611686018427387904 * 4] == #length) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~malloc206!base could not be translated * 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: 370]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 370]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 379]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 379]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 381]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 381]: 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, 19 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 13.8s, OverallIterations: 11, TraceHistogramMax: 5, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 2.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 239 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 239 mSDsluCounter, 352 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 247 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 325 IncrementalHoareTripleChecker+Invalid, 335 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 105 mSDtfsCounter, 325 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 243 GetRequests, 100 SyntacticMatches, 21 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 529 ImplicationChecksByTransitivity, 4.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=34occurred in iteration=5, InterpolantAutomatonStates: 71, 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, 11 MinimizatonAttempts, 98 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 11 NumberOfFragments, 255 HoareAnnotationTreeSize, 2 FomulaSimplifications, 868 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 2 FomulaSimplificationsInter, 1130 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 167 NumberOfCodeBlocks, 155 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 200 ConstructedInterpolants, 0 QuantifiedInterpolants, 598 SizeOfPredicates, 19 NumberOfNonLiveVariables, 289 ConjunctsInSsa, 31 ConjunctsInUnsatCore, 20 InterpolantComputations, 7 PerfectInterpolantSequences, 69/136 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: 2.0s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 21, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 56, TOOLS_POST_TIME: 1.7s, 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: 56, TOOLS_QUANTIFIERELIM_TIME: 1.6s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.1s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 104, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 4, DOMAIN_JOIN_TIME: 0.1s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 6, DOMAIN_WIDEN_TIME: 0.2s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 10, DOMAIN_ISSUBSETEQ_TIME: 0.1s, DOMAIN_ISBOTTOM_APPLICATIONS: 21, DOMAIN_ISBOTTOM_TIME: 0.0s, LOOP_SUMMARIZER_APPLICATIONS: 4, LOOP_SUMMARIZER_CACHE_MISSES: 4, LOOP_SUMMARIZER_OVERALL_TIME: 1.6s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 1.6s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 10, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME: 0.0s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.0s, DAG_COMPRESSION_PROCESSED_NODES: 263, DAG_COMPRESSION_RETAINED_NODES: 74, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 370]: Loop Invariant [2023-11-12 00:43:04,985 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~malloc206!offset could not be translated [2023-11-12 00:43:04,985 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_~length~0#1_23 : int :: (0 <= v_ULTIMATE.start_main_~length~0#1_23 + 2147483648 && v_ULTIMATE.start_main_~length~0#1_23 <= 2147483647) && ((1 <= v_ULTIMATE.start_main_~length~0#1_23 && ~length~0 == v_ULTIMATE.start_main_~length~0#1_23) || (v_ULTIMATE.start_main_~length~0#1_23 <= 0 && ~length~0 == 1))) could not be translated [2023-11-12 00:43:04,986 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_#valid_24 : [int]int :: (v_#valid_24[#t~malloc206!base] == 0 && v_#valid_24[0] == 0) && #valid == v_#valid_24[#t~malloc206!base := 1]) could not be translated [2023-11-12 00:43:04,986 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~malloc206!base could not be translated [2023-11-12 00:43:04,992 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_#length_12 : [int]int :: v_#length_12[#t~malloc206!base := ~length~0 % 4611686018427387904 * 4] == #length) could not be translated [2023-11-12 00:43:04,992 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~malloc206!base could not be translated [2023-11-12 00:43:04,992 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~malloc206!offset could not be translated [2023-11-12 00:43:04,992 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_~length~0#1_23 : int :: (0 <= v_ULTIMATE.start_main_~length~0#1_23 + 2147483648 && v_ULTIMATE.start_main_~length~0#1_23 <= 2147483647) && ((1 <= v_ULTIMATE.start_main_~length~0#1_23 && ~length~0 == v_ULTIMATE.start_main_~length~0#1_23) || (v_ULTIMATE.start_main_~length~0#1_23 <= 0 && ~length~0 == 1))) could not be translated [2023-11-12 00:43:04,993 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_#valid_24 : [int]int :: (v_#valid_24[#t~malloc206!base] == 0 && v_#valid_24[0] == 0) && #valid == v_#valid_24[#t~malloc206!base := 1]) could not be translated [2023-11-12 00:43:04,993 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~malloc206!base could not be translated [2023-11-12 00:43:04,993 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_#length_12 : [int]int :: v_#length_12[#t~malloc206!base := ~length~0 % 4611686018427387904 * 4] == #length) could not be translated [2023-11-12 00:43:04,993 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~malloc206!base could not be translated [2023-11-12 00:43:04,994 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~malloc206!offset could not be translated [2023-11-12 00:43:04,998 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_~length~0#1_23 : int :: (0 <= v_ULTIMATE.start_main_~length~0#1_23 + 2147483648 && v_ULTIMATE.start_main_~length~0#1_23 <= 2147483647) && ((1 <= v_ULTIMATE.start_main_~length~0#1_23 && ~length~0 == v_ULTIMATE.start_main_~length~0#1_23) || (v_ULTIMATE.start_main_~length~0#1_23 <= 0 && ~length~0 == 1))) could not be translated [2023-11-12 00:43:04,998 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_#valid_24 : [int]int :: (v_#valid_24[#t~malloc206!base] == 0 && v_#valid_24[0] == 0) && #valid == v_#valid_24[#t~malloc206!base := 1]) could not be translated [2023-11-12 00:43:04,999 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~malloc206!base could not be translated [2023-11-12 00:43:04,999 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_#length_12 : [int]int :: v_#length_12[#t~malloc206!base := ~length~0 % 4611686018427387904 * 4] == #length) could not be translated [2023-11-12 00:43:04,999 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~malloc206!base could not be translated [2023-11-12 00:43:04,999 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~malloc206!offset could not be translated [2023-11-12 00:43:04,999 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_~length~0#1_23 : int :: (0 <= v_ULTIMATE.start_main_~length~0#1_23 + 2147483648 && v_ULTIMATE.start_main_~length~0#1_23 <= 2147483647) && ((1 <= v_ULTIMATE.start_main_~length~0#1_23 && ~length~0 == v_ULTIMATE.start_main_~length~0#1_23) || (v_ULTIMATE.start_main_~length~0#1_23 <= 0 && ~length~0 == 1))) could not be translated [2023-11-12 00:43:05,000 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_#valid_24 : [int]int :: (v_#valid_24[#t~malloc206!base] == 0 && v_#valid_24[0] == 0) && #valid == v_#valid_24[#t~malloc206!base := 1]) could not be translated [2023-11-12 00:43:05,000 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~malloc206!base could not be translated [2023-11-12 00:43:05,000 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_#length_12 : [int]int :: v_#length_12[#t~malloc206!base := ~length~0 % 4611686018427387904 * 4] == #length) could not be translated [2023-11-12 00:43:05,000 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~malloc206!base could not be translated Derived loop invariant: ((i == 0) || ((1 <= i) && (i <= 2147483647))) - InvariantResult [Line: 377]: Loop Invariant [2023-11-12 00:43:05,002 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_#valid_23 : [int]int :: (v_#valid_23[#t~malloc206!base] == 0 && v_#valid_23[0] == 0) && v_#valid_23[#t~malloc206!base := 1] == #valid) could not be translated [2023-11-12 00:43:05,003 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~malloc206!offset could not be translated [2023-11-12 00:43:05,004 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_~length~0#1_23 : int :: (0 <= v_ULTIMATE.start_main_~length~0#1_23 + 2147483648 && v_ULTIMATE.start_main_~length~0#1_23 <= 2147483647) && ((1 <= v_ULTIMATE.start_main_~length~0#1_23 && ~length~0 == v_ULTIMATE.start_main_~length~0#1_23) || (v_ULTIMATE.start_main_~length~0#1_23 <= 0 && ~length~0 == 1))) could not be translated [2023-11-12 00:43:05,004 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~malloc206!base could not be translated [2023-11-12 00:43:05,004 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_~i~0#1_33 : int :: (0 <= v_ULTIMATE.start_main_~i~0#1_33 && 1 <= ~i~0) && 1 <= ~length~0) could not be translated [2023-11-12 00:43:05,004 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_#length_12 : [int]int :: v_#length_12[#t~malloc206!base := ~length~0 % 4611686018427387904 * 4] == #length) could not be translated [2023-11-12 00:43:05,004 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~malloc206!base could not be translated [2023-11-12 00:43:05,005 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_#valid_23 : [int]int :: (v_#valid_23[#t~malloc206!base] == 0 && v_#valid_23[0] == 0) && v_#valid_23[#t~malloc206!base := 1] == #valid) could not be translated [2023-11-12 00:43:05,006 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~malloc206!offset could not be translated [2023-11-12 00:43:05,006 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_~length~0#1_23 : int :: (0 <= v_ULTIMATE.start_main_~length~0#1_23 + 2147483648 && v_ULTIMATE.start_main_~length~0#1_23 <= 2147483647) && ((1 <= v_ULTIMATE.start_main_~length~0#1_23 && ~length~0 == v_ULTIMATE.start_main_~length~0#1_23) || (v_ULTIMATE.start_main_~length~0#1_23 <= 0 && ~length~0 == 1))) could not be translated [2023-11-12 00:43:05,007 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~malloc206!base could not be translated [2023-11-12 00:43:05,007 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_~i~0#1_33 : int :: (0 <= v_ULTIMATE.start_main_~i~0#1_33 && 1 <= ~i~0) && 1 <= ~length~0) could not be translated [2023-11-12 00:43:05,007 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_#length_12 : [int]int :: v_#length_12[#t~malloc206!base := ~length~0 % 4611686018427387904 * 4] == #length) could not be translated [2023-11-12 00:43:05,007 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~malloc206!base could not be translated Derived loop invariant: ((i <= 2147483647) || (((i == 0) && (length <= 0)) && (j == 0))) RESULT: Ultimate proved your program to be correct! [2023-11-12 00:43:05,024 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d45604-64de-4370-b9c8-4d7cc25ce963/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