./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/list-simple/sll2n_prepend_equal.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49152ab5-e777-46ae-89b1-8fc469f83a3a/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49152ab5-e777-46ae-89b1-8fc469f83a3a/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49152ab5-e777-46ae-89b1-8fc469f83a3a/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49152ab5-e777-46ae-89b1-8fc469f83a3a/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/list-simple/sll2n_prepend_equal.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49152ab5-e777-46ae-89b1-8fc469f83a3a/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49152ab5-e777-46ae-89b1-8fc469f83a3a/bin/utaipan-verify-sOmjnqqW8E --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e4cb0386e6b22b9d67dd4f4c4c33eb167dcf1836f99794e4424c5e73e6fc14d4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:22:56,323 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:22:56,420 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49152ab5-e777-46ae-89b1-8fc469f83a3a/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Overflow-32bit-Taipan_Default.epf [2024-11-14 04:22:56,434 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:22:56,434 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:22:56,477 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:22:56,477 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:22:56,477 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:22:56,478 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:22:56,479 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:22:56,480 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:22:56,480 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:22:56,481 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:22:56,481 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 04:22:56,481 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:22:56,481 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:22:56,481 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 04:22:56,481 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 04:22:56,482 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:22:56,482 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 04:22:56,482 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 04:22:56,482 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 04:22:56,483 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:22:56,483 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:22:56,483 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 04:22:56,483 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 04:22:56,483 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 04:22:56,484 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:22:56,484 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:22:56,484 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:22:56,484 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:22:56,484 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:22:56,484 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-14 04:22:56,484 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-14 04:22:56,484 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 04:22:56,485 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:22:56,485 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:22:56,486 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:22:56,486 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:22:56,486 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:22:56,486 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:22:56,486 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:22:56,486 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:22:56,487 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:22:56,487 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 04:22:56,487 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 04:22:56,487 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:22:56,487 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:22:56,487 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 04:22:56,487 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49152ab5-e777-46ae-89b1-8fc469f83a3a/bin/utaipan-verify-sOmjnqqW8E Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e4cb0386e6b22b9d67dd4f4c4c33eb167dcf1836f99794e4424c5e73e6fc14d4 [2024-11-14 04:22:56,860 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:22:56,872 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:22:56,877 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:22:56,878 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:22:56,879 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:22:56,880 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49152ab5-e777-46ae-89b1-8fc469f83a3a/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/list-simple/sll2n_prepend_equal.i Unable to find full path for "g++" [2024-11-14 04:22:58,894 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:22:59,305 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:22:59,305 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49152ab5-e777-46ae-89b1-8fc469f83a3a/sv-benchmarks/c/list-simple/sll2n_prepend_equal.i [2024-11-14 04:22:59,324 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49152ab5-e777-46ae-89b1-8fc469f83a3a/bin/utaipan-verify-sOmjnqqW8E/data/92098d3a6/031e13723737417fabb4c535bc20f337/FLAG91d8c7e2e [2024-11-14 04:22:59,480 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49152ab5-e777-46ae-89b1-8fc469f83a3a/bin/utaipan-verify-sOmjnqqW8E/data/92098d3a6/031e13723737417fabb4c535bc20f337 [2024-11-14 04:22:59,483 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:22:59,486 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:22:59,488 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:22:59,488 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:22:59,495 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:22:59,496 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:22:59" (1/1) ... [2024-11-14 04:22:59,497 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a4c53a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:22:59, skipping insertion in model container [2024-11-14 04:22:59,499 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:22:59" (1/1) ... [2024-11-14 04:22:59,545 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:22:59,954 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:22:59,966 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:23:00,038 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:23:00,079 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:23:00,079 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:23:00 WrapperNode [2024-11-14 04:23:00,080 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:23:00,082 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:23:00,082 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:23:00,082 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:23:00,091 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:23:00" (1/1) ... [2024-11-14 04:23:00,110 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:23:00" (1/1) ... [2024-11-14 04:23:00,137 INFO L138 Inliner]: procedures = 127, calls = 31, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 110 [2024-11-14 04:23:00,138 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:23:00,138 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:23:00,139 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:23:00,139 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:23:00,146 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:23:00" (1/1) ... [2024-11-14 04:23:00,147 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:23:00" (1/1) ... [2024-11-14 04:23:00,151 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:23:00" (1/1) ... [2024-11-14 04:23:00,151 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:23:00" (1/1) ... [2024-11-14 04:23:00,158 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:23:00" (1/1) ... [2024-11-14 04:23:00,162 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:23:00" (1/1) ... [2024-11-14 04:23:00,163 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:23:00" (1/1) ... [2024-11-14 04:23:00,165 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:23:00" (1/1) ... [2024-11-14 04:23:00,170 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:23:00,171 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:23:00,171 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:23:00,171 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:23:00,173 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:23:00" (1/1) ... [2024-11-14 04:23:00,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:23:00,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49152ab5-e777-46ae-89b1-8fc469f83a3a/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:23:00,211 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49152ab5-e777-46ae-89b1-8fc469f83a3a/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:23:00,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49152ab5-e777-46ae-89b1-8fc469f83a3a/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:23:00,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-14 04:23:00,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-14 04:23:00,241 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2024-11-14 04:23:00,241 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2024-11-14 04:23:00,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-14 04:23:00,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:23:00,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-14 04:23:00,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-14 04:23:00,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-14 04:23:00,242 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-14 04:23:00,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-14 04:23:00,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 04:23:00,242 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:23:00,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:23:00,355 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:23:00,357 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:23:00,583 INFO L? ?]: Removed 49 outVars from TransFormulas that were not future-live. [2024-11-14 04:23:00,583 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:23:00,650 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:23:00,650 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-14 04:23:00,651 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:23:00 BoogieIcfgContainer [2024-11-14 04:23:00,651 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:23:00,654 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:23:00,654 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:23:00,659 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:23:00,659 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:22:59" (1/3) ... [2024-11-14 04:23:00,660 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5183e19c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:23:00, skipping insertion in model container [2024-11-14 04:23:00,660 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:23:00" (2/3) ... [2024-11-14 04:23:00,661 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5183e19c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:23:00, skipping insertion in model container [2024-11-14 04:23:00,661 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:23:00" (3/3) ... [2024-11-14 04:23:00,662 INFO L112 eAbstractionObserver]: Analyzing ICFG sll2n_prepend_equal.i [2024-11-14 04:23:00,679 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:23:00,680 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG sll2n_prepend_equal.i that has 2 procedures, 29 locations, 1 initial locations, 3 loop locations, and 6 error locations. [2024-11-14 04:23:00,743 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:23:00,760 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@258a1f91, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:23:00,760 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-14 04:23:00,765 INFO L276 IsEmpty]: Start isEmpty. Operand has 29 states, 19 states have (on average 1.631578947368421) internal successors, (31), 25 states have internal predecessors, (31), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-14 04:23:00,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-14 04:23:00,774 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:23:00,775 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:23:00,776 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-14 04:23:00,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:23:00,782 INFO L85 PathProgramCache]: Analyzing trace with hash -776892646, now seen corresponding path program 1 times [2024-11-14 04:23:00,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:23:00,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541451520] [2024-11-14 04:23:00,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:23:00,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:23:00,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:23:01,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:23:01,341 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:23:01,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541451520] [2024-11-14 04:23:01,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1541451520] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:23:01,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:23:01,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 04:23:01,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155554645] [2024-11-14 04:23:01,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:23:01,355 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 04:23:01,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:23:01,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 04:23:01,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:23:01,381 INFO L87 Difference]: Start difference. First operand has 29 states, 19 states have (on average 1.631578947368421) internal successors, (31), 25 states have internal predecessors, (31), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-14 04:23:01,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:23:01,486 INFO L93 Difference]: Finished difference Result 57 states and 69 transitions. [2024-11-14 04:23:01,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 04:23:01,488 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 8 [2024-11-14 04:23:01,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:23:01,495 INFO L225 Difference]: With dead ends: 57 [2024-11-14 04:23:01,496 INFO L226 Difference]: Without dead ends: 28 [2024-11-14 04:23:01,499 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:23:01,504 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 1 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:23:01,505 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 67 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:23:01,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2024-11-14 04:23:01,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2024-11-14 04:23:01,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 23 states have internal predecessors, (25), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-14 04:23:01,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 31 transitions. [2024-11-14 04:23:01,542 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 31 transitions. Word has length 8 [2024-11-14 04:23:01,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:23:01,543 INFO L471 AbstractCegarLoop]: Abstraction has 28 states and 31 transitions. [2024-11-14 04:23:01,543 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-14 04:23:01,543 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 31 transitions. [2024-11-14 04:23:01,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-14 04:23:01,545 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:23:01,545 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2024-11-14 04:23:01,545 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 04:23:01,545 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-14 04:23:01,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:23:01,546 INFO L85 PathProgramCache]: Analyzing trace with hash -1663399069, now seen corresponding path program 1 times [2024-11-14 04:23:01,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:23:01,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661459508] [2024-11-14 04:23:01,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:23:01,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:23:01,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:23:01,705 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-14 04:23:01,705 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:23:01,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661459508] [2024-11-14 04:23:01,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [661459508] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:23:01,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:23:01,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 04:23:01,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351089032] [2024-11-14 04:23:01,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:23:01,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 04:23:01,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:23:01,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 04:23:01,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:23:01,710 INFO L87 Difference]: Start difference. First operand 28 states and 31 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-14 04:23:01,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:23:01,776 INFO L93 Difference]: Finished difference Result 28 states and 31 transitions. [2024-11-14 04:23:01,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 04:23:01,777 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), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 16 [2024-11-14 04:23:01,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:23:01,778 INFO L225 Difference]: With dead ends: 28 [2024-11-14 04:23:01,778 INFO L226 Difference]: Without dead ends: 27 [2024-11-14 04:23:01,778 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:23:01,779 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 1 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:23:01,779 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 41 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:23:01,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2024-11-14 04:23:01,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2024-11-14 04:23:01,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 22 states have internal predecessors, (24), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-14 04:23:01,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 30 transitions. [2024-11-14 04:23:01,785 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 30 transitions. Word has length 16 [2024-11-14 04:23:01,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:23:01,785 INFO L471 AbstractCegarLoop]: Abstraction has 27 states and 30 transitions. [2024-11-14 04:23:01,786 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-14 04:23:01,786 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2024-11-14 04:23:01,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-14 04:23:01,787 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:23:01,787 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:23:01,787 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 04:23:01,787 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-14 04:23:01,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:23:01,788 INFO L85 PathProgramCache]: Analyzing trace with hash -187354840, now seen corresponding path program 1 times [2024-11-14 04:23:01,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:23:01,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634052190] [2024-11-14 04:23:01,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:23:01,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:23:01,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:23:02,025 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-14 04:23:02,025 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:23:02,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634052190] [2024-11-14 04:23:02,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1634052190] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:23:02,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1150098501] [2024-11-14 04:23:02,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:23:02,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:23:02,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49152ab5-e777-46ae-89b1-8fc469f83a3a/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:23:02,031 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49152ab5-e777-46ae-89b1-8fc469f83a3a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:23:02,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49152ab5-e777-46ae-89b1-8fc469f83a3a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 04:23:02,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:23:02,236 INFO L255 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-14 04:23:02,243 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:23:02,313 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-14 04:23:02,313 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:23:02,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1150098501] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:23:02,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-14 04:23:02,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-14 04:23:02,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004823379] [2024-11-14 04:23:02,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:23:02,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:23:02,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:23:02,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:23:02,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-14 04:23:02,315 INFO L87 Difference]: Start difference. First operand 27 states and 30 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-14 04:23:02,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:23:02,351 INFO L93 Difference]: Finished difference Result 27 states and 30 transitions. [2024-11-14 04:23:02,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:23:02,352 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 17 [2024-11-14 04:23:02,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:23:02,353 INFO L225 Difference]: With dead ends: 27 [2024-11-14 04:23:02,353 INFO L226 Difference]: Without dead ends: 26 [2024-11-14 04:23:02,353 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-14 04:23:02,355 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 8 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 04:23:02,356 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 19 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 04:23:02,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2024-11-14 04:23:02,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2024-11-14 04:23:02,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 21 states have internal predecessors, (23), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-14 04:23:02,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 29 transitions. [2024-11-14 04:23:02,366 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 29 transitions. Word has length 17 [2024-11-14 04:23:02,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:23:02,368 INFO L471 AbstractCegarLoop]: Abstraction has 26 states and 29 transitions. [2024-11-14 04:23:02,368 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-14 04:23:02,368 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2024-11-14 04:23:02,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-14 04:23:02,369 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:23:02,369 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1] [2024-11-14 04:23:02,392 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49152ab5-e777-46ae-89b1-8fc469f83a3a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-14 04:23:02,574 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49152ab5-e777-46ae-89b1-8fc469f83a3a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:23:02,574 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-14 04:23:02,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:23:02,575 INFO L85 PathProgramCache]: Analyzing trace with hash -25763541, now seen corresponding path program 1 times [2024-11-14 04:23:02,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:23:02,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068924656] [2024-11-14 04:23:02,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:23:02,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:23:02,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:23:02,767 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-14 04:23:02,767 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:23:02,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068924656] [2024-11-14 04:23:02,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068924656] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:23:02,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [17523362] [2024-11-14 04:23:02,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:23:02,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:23:02,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49152ab5-e777-46ae-89b1-8fc469f83a3a/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:23:02,771 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49152ab5-e777-46ae-89b1-8fc469f83a3a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:23:02,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49152ab5-e777-46ae-89b1-8fc469f83a3a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-14 04:23:02,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:23:02,918 INFO L255 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-14 04:23:02,919 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:23:02,989 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-14 04:23:02,990 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:23:02,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [17523362] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:23:02,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-14 04:23:02,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-14 04:23:02,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137204062] [2024-11-14 04:23:02,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:23:02,992 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 04:23:02,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:23:02,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 04:23:02,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-14 04:23:02,993 INFO L87 Difference]: Start difference. First operand 26 states and 29 transitions. Second operand has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-14 04:23:03,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:23:03,076 INFO L93 Difference]: Finished difference Result 26 states and 29 transitions. [2024-11-14 04:23:03,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 04:23:03,077 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 17 [2024-11-14 04:23:03,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:23:03,078 INFO L225 Difference]: With dead ends: 26 [2024-11-14 04:23:03,078 INFO L226 Difference]: Without dead ends: 25 [2024-11-14 04:23:03,079 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-14 04:23:03,080 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 0 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:23:03,081 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 56 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:23:03,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2024-11-14 04:23:03,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 21. [2024-11-14 04:23:03,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 17 states have internal predecessors, (19), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-14 04:23:03,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 23 transitions. [2024-11-14 04:23:03,091 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 23 transitions. Word has length 17 [2024-11-14 04:23:03,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:23:03,092 INFO L471 AbstractCegarLoop]: Abstraction has 21 states and 23 transitions. [2024-11-14 04:23:03,092 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-14 04:23:03,093 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2024-11-14 04:23:03,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-14 04:23:03,093 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:23:03,093 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:23:03,114 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49152ab5-e777-46ae-89b1-8fc469f83a3a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-14 04:23:03,294 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49152ab5-e777-46ae-89b1-8fc469f83a3a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:23:03,294 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-14 04:23:03,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:23:03,294 INFO L85 PathProgramCache]: Analyzing trace with hash -1513099261, now seen corresponding path program 1 times [2024-11-14 04:23:03,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:23:03,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098048183] [2024-11-14 04:23:03,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:23:03,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:23:03,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:23:03,477 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-14 04:23:03,478 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:23:03,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098048183] [2024-11-14 04:23:03,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098048183] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:23:03,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [695191611] [2024-11-14 04:23:03,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:23:03,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:23:03,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49152ab5-e777-46ae-89b1-8fc469f83a3a/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:23:03,480 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49152ab5-e777-46ae-89b1-8fc469f83a3a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:23:03,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49152ab5-e777-46ae-89b1-8fc469f83a3a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-14 04:23:03,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:23:03,637 INFO L255 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-14 04:23:03,639 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:23:03,681 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:23:03,681 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:23:03,747 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-14 04:23:03,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [695191611] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:23:03,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1481718916] [2024-11-14 04:23:03,766 INFO L159 IcfgInterpreter]: Started Sifa with 15 locations of interest [2024-11-14 04:23:03,766 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 04:23:03,769 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 04:23:03,773 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 04:23:03,774 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 04:23:05,815 INFO L197 IcfgInterpreter]: Interpreting procedure node_create with input of size 129 for LOIs [2024-11-14 04:23:06,047 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 04:23:14,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1481718916] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:23:14,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-14 04:23:14,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [5, 5, 5] total 20 [2024-11-14 04:23:14,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205315593] [2024-11-14 04:23:14,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:23:14,144 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-14 04:23:14,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:23:14,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-14 04:23:14,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=336, Unknown=0, NotChecked=0, Total=380 [2024-11-14 04:23:14,148 INFO L87 Difference]: Start difference. First operand 21 states and 23 transitions. Second operand has 15 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-14 04:23:15,593 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:23:17,720 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:23:19,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:23:19,932 INFO L93 Difference]: Finished difference Result 30 states and 32 transitions. [2024-11-14 04:23:19,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-14 04:23:19,933 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 18 [2024-11-14 04:23:19,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:23:19,933 INFO L225 Difference]: With dead ends: 30 [2024-11-14 04:23:19,933 INFO L226 Difference]: Without dead ends: 25 [2024-11-14 04:23:19,934 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 36 SyntacticMatches, 3 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 8.1s TimeCoverageRelationStatistics Valid=44, Invalid=336, Unknown=0, NotChecked=0, Total=380 [2024-11-14 04:23:19,934 INFO L432 NwaCegarLoop]: 6 mSDtfsCounter, 1 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 237 mSolverCounterSat, 3 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 237 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2024-11-14 04:23:19,935 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 35 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 237 Invalid, 5 Unknown, 0 Unchecked, 5.8s Time] [2024-11-14 04:23:19,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2024-11-14 04:23:19,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2024-11-14 04:23:19,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 21 states have internal predecessors, (23), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-14 04:23:19,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 27 transitions. [2024-11-14 04:23:19,943 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 27 transitions. Word has length 18 [2024-11-14 04:23:19,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:23:19,944 INFO L471 AbstractCegarLoop]: Abstraction has 25 states and 27 transitions. [2024-11-14 04:23:19,945 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-14 04:23:19,945 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions. [2024-11-14 04:23:19,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-14 04:23:19,947 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:23:19,947 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:23:19,964 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49152ab5-e777-46ae-89b1-8fc469f83a3a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-14 04:23:20,148 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49152ab5-e777-46ae-89b1-8fc469f83a3a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:23:20,148 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-14 04:23:20,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:23:20,149 INFO L85 PathProgramCache]: Analyzing trace with hash 1554275964, now seen corresponding path program 1 times [2024-11-14 04:23:20,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:23:20,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724667777] [2024-11-14 04:23:20,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:23:20,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:23:20,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:23:20,296 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-14 04:23:20,297 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:23:20,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724667777] [2024-11-14 04:23:20,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724667777] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:23:20,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1917697978] [2024-11-14 04:23:20,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:23:20,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:23:20,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49152ab5-e777-46ae-89b1-8fc469f83a3a/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:23:20,300 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49152ab5-e777-46ae-89b1-8fc469f83a3a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:23:20,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49152ab5-e777-46ae-89b1-8fc469f83a3a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-14 04:23:20,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:23:20,425 INFO L255 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-14 04:23:20,427 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:23:20,450 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-14 04:23:20,450 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:23:20,492 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-14 04:23:20,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1917697978] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:23:20,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [85604422] [2024-11-14 04:23:20,494 INFO L159 IcfgInterpreter]: Started Sifa with 16 locations of interest [2024-11-14 04:23:20,494 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 04:23:20,494 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 04:23:20,495 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 04:23:20,495 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 04:23:21,693 INFO L197 IcfgInterpreter]: Interpreting procedure node_create with input of size 112 for LOIs [2024-11-14 04:23:21,856 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 04:23:25,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [85604422] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:23:25,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-14 04:23:25,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [5, 5, 5] total 19 [2024-11-14 04:23:25,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285474905] [2024-11-14 04:23:25,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:23:25,690 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-14 04:23:25,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:23:25,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-14 04:23:25,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=298, Unknown=1, NotChecked=0, Total=342 [2024-11-14 04:23:25,691 INFO L87 Difference]: Start difference. First operand 25 states and 27 transitions. Second operand has 14 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-14 04:23:29,771 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:23:29,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:23:29,983 INFO L93 Difference]: Finished difference Result 25 states and 27 transitions. [2024-11-14 04:23:29,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-14 04:23:29,983 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 22 [2024-11-14 04:23:29,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:23:29,984 INFO L225 Difference]: With dead ends: 25 [2024-11-14 04:23:29,984 INFO L226 Difference]: Without dead ends: 21 [2024-11-14 04:23:29,984 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 48 SyntacticMatches, 4 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=43, Invalid=298, Unknown=1, NotChecked=0, Total=342 [2024-11-14 04:23:29,985 INFO L432 NwaCegarLoop]: 2 mSDtfsCounter, 1 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-11-14 04:23:29,985 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 2 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 234 Invalid, 2 Unknown, 0 Unchecked, 4.3s Time] [2024-11-14 04:23:29,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2024-11-14 04:23:29,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2024-11-14 04:23:29,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 17 states have (on average 1.1176470588235294) internal successors, (19), 17 states have internal predecessors, (19), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-14 04:23:29,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 23 transitions. [2024-11-14 04:23:29,998 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 23 transitions. Word has length 22 [2024-11-14 04:23:29,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:23:29,998 INFO L471 AbstractCegarLoop]: Abstraction has 21 states and 23 transitions. [2024-11-14 04:23:29,999 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-14 04:23:29,999 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2024-11-14 04:23:29,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-14 04:23:29,999 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:23:29,999 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:23:30,013 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49152ab5-e777-46ae-89b1-8fc469f83a3a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-14 04:23:30,200 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49152ab5-e777-46ae-89b1-8fc469f83a3a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-14 04:23:30,200 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-14 04:23:30,200 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:23:30,201 INFO L85 PathProgramCache]: Analyzing trace with hash 937914701, now seen corresponding path program 1 times [2024-11-14 04:23:30,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:23:30,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084371736] [2024-11-14 04:23:30,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:23:30,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:23:30,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:23:30,371 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-14 04:23:30,371 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:23:30,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084371736] [2024-11-14 04:23:30,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084371736] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:23:30,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1907724649] [2024-11-14 04:23:30,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:23:30,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:23:30,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49152ab5-e777-46ae-89b1-8fc469f83a3a/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:23:30,374 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49152ab5-e777-46ae-89b1-8fc469f83a3a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:23:30,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49152ab5-e777-46ae-89b1-8fc469f83a3a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-14 04:23:30,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:23:30,498 INFO L255 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-14 04:23:30,499 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:23:30,580 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-14 04:23:30,580 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:23:30,676 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-14 04:23:30,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1907724649] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:23:30,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1314864997] [2024-11-14 04:23:30,678 INFO L159 IcfgInterpreter]: Started Sifa with 16 locations of interest [2024-11-14 04:23:30,678 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 04:23:30,679 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 04:23:30,679 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 04:23:30,679 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 04:23:31,764 INFO L197 IcfgInterpreter]: Interpreting procedure node_create with input of size 112 for LOIs [2024-11-14 04:23:31,929 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 04:23:38,099 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1000#(and (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~data~0#1| 1) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= |ULTIMATE.start_main_~len~0#1| 2) (<= 2 |ULTIMATE.start_main_~#s~0#1.base|))' at error location [2024-11-14 04:23:38,099 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-14 04:23:38,100 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 04:23:38,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 7 [2024-11-14 04:23:38,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508970614] [2024-11-14 04:23:38,100 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 04:23:38,100 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-14 04:23:38,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:23:38,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-14 04:23:38,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=326, Unknown=0, NotChecked=0, Total=380 [2024-11-14 04:23:38,101 INFO L87 Difference]: Start difference. First operand 21 states and 23 transitions. Second operand has 7 states, 7 states have (on average 3.0) internal successors, (21), 7 states have internal predecessors, (21), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-14 04:23:38,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:23:38,209 INFO L93 Difference]: Finished difference Result 40 states and 44 transitions. [2024-11-14 04:23:38,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 04:23:38,210 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.0) internal successors, (21), 7 states have internal predecessors, (21), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 23 [2024-11-14 04:23:38,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:23:38,210 INFO L225 Difference]: With dead ends: 40 [2024-11-14 04:23:38,210 INFO L226 Difference]: Without dead ends: 26 [2024-11-14 04:23:38,211 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 50 SyntacticMatches, 4 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=54, Invalid=326, Unknown=0, NotChecked=0, Total=380 [2024-11-14 04:23:38,211 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 1 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:23:38,211 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 38 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:23:38,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2024-11-14 04:23:38,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2024-11-14 04:23:38,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 21 states have (on average 1.0952380952380953) internal successors, (23), 21 states have internal predecessors, (23), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-14 04:23:38,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 29 transitions. [2024-11-14 04:23:38,223 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 29 transitions. Word has length 23 [2024-11-14 04:23:38,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:23:38,224 INFO L471 AbstractCegarLoop]: Abstraction has 26 states and 29 transitions. [2024-11-14 04:23:38,224 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.0) internal successors, (21), 7 states have internal predecessors, (21), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-14 04:23:38,224 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2024-11-14 04:23:38,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-14 04:23:38,224 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:23:38,225 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:23:38,245 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49152ab5-e777-46ae-89b1-8fc469f83a3a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-14 04:23:38,425 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49152ab5-e777-46ae-89b1-8fc469f83a3a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-11-14 04:23:38,425 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-14 04:23:38,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:23:38,426 INFO L85 PathProgramCache]: Analyzing trace with hash -1598080540, now seen corresponding path program 2 times [2024-11-14 04:23:38,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:23:38,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944593243] [2024-11-14 04:23:38,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:23:38,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:23:38,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:23:38,662 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-14 04:23:38,662 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:23:38,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944593243] [2024-11-14 04:23:38,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1944593243] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:23:38,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [997012656] [2024-11-14 04:23:38,663 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-14 04:23:38,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:23:38,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49152ab5-e777-46ae-89b1-8fc469f83a3a/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:23:38,665 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49152ab5-e777-46ae-89b1-8fc469f83a3a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:23:38,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49152ab5-e777-46ae-89b1-8fc469f83a3a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-14 04:23:38,826 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-14 04:23:38,826 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 04:23:38,828 INFO L255 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-14 04:23:38,829 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:23:38,936 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-14 04:23:38,937 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:23:39,160 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-14 04:23:39,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [997012656] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:23:39,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [582022364] [2024-11-14 04:23:39,162 INFO L159 IcfgInterpreter]: Started Sifa with 16 locations of interest [2024-11-14 04:23:39,163 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 04:23:39,163 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 04:23:39,163 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 04:23:39,163 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 04:23:40,096 INFO L197 IcfgInterpreter]: Interpreting procedure node_create with input of size 112 for LOIs [2024-11-14 04:23:40,191 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 04:23:46,275 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1296#(and (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~data~0#1| 1) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= |ULTIMATE.start_main_~len~0#1| 2) (<= 2 |ULTIMATE.start_main_~#s~0#1.base|))' at error location [2024-11-14 04:23:46,275 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-14 04:23:46,276 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 04:23:46,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-11-14 04:23:46,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378506177] [2024-11-14 04:23:46,276 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 04:23:46,276 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-14 04:23:46,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:23:46,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-14 04:23:46,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=522, Unknown=0, NotChecked=0, Total=600 [2024-11-14 04:23:46,277 INFO L87 Difference]: Start difference. First operand 26 states and 29 transitions. Second operand has 12 states, 11 states have (on average 2.8181818181818183) internal successors, (31), 12 states have internal predecessors, (31), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-14 04:23:46,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:23:46,425 INFO L93 Difference]: Finished difference Result 39 states and 44 transitions. [2024-11-14 04:23:46,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-14 04:23:46,426 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.8181818181818183) internal successors, (31), 12 states have internal predecessors, (31), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 31 [2024-11-14 04:23:46,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:23:46,427 INFO L225 Difference]: With dead ends: 39 [2024-11-14 04:23:46,427 INFO L226 Difference]: Without dead ends: 38 [2024-11-14 04:23:46,427 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 71 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=78, Invalid=522, Unknown=0, NotChecked=0, Total=600 [2024-11-14 04:23:46,428 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 0 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:23:46,428 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 56 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:23:46,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2024-11-14 04:23:46,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2024-11-14 04:23:46,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 33 states have (on average 1.0606060606060606) internal successors, (35), 33 states have internal predecessors, (35), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-14 04:23:46,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 41 transitions. [2024-11-14 04:23:46,443 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 41 transitions. Word has length 31 [2024-11-14 04:23:46,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:23:46,443 INFO L471 AbstractCegarLoop]: Abstraction has 38 states and 41 transitions. [2024-11-14 04:23:46,443 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.8181818181818183) internal successors, (31), 12 states have internal predecessors, (31), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-14 04:23:46,443 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 41 transitions. [2024-11-14 04:23:46,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-14 04:23:46,444 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:23:46,444 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-14 04:23:46,457 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49152ab5-e777-46ae-89b1-8fc469f83a3a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-14 04:23:46,644 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49152ab5-e777-46ae-89b1-8fc469f83a3a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-11-14 04:23:46,645 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-14 04:23:46,645 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:23:46,645 INFO L85 PathProgramCache]: Analyzing trace with hash -520672167, now seen corresponding path program 3 times [2024-11-14 04:23:46,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:23:46,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480479144] [2024-11-14 04:23:46,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:23:46,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:23:46,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:23:47,128 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-14 04:23:47,128 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:23:47,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480479144] [2024-11-14 04:23:47,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480479144] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:23:47,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1743565478] [2024-11-14 04:23:47,128 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-14 04:23:47,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:23:47,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49152ab5-e777-46ae-89b1-8fc469f83a3a/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:23:47,130 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49152ab5-e777-46ae-89b1-8fc469f83a3a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:23:47,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49152ab5-e777-46ae-89b1-8fc469f83a3a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-14 04:23:47,516 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-14 04:23:47,516 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 04:23:47,518 INFO L255 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-14 04:23:47,520 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:23:47,675 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-14 04:23:47,675 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:23:48,261 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-14 04:23:48,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1743565478] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:23:48,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2038105277] [2024-11-14 04:23:48,263 INFO L159 IcfgInterpreter]: Started Sifa with 16 locations of interest [2024-11-14 04:23:48,263 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 04:23:48,264 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 04:23:48,264 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 04:23:48,264 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 04:23:49,117 INFO L197 IcfgInterpreter]: Interpreting procedure node_create with input of size 129 for LOIs [2024-11-14 04:23:49,235 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 04:23:58,787 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1688#(and (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~data~0#1| 1) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= |ULTIMATE.start_main_~len~0#1| 2) (<= 2 |ULTIMATE.start_main_~#s~0#1.base|))' at error location [2024-11-14 04:23:58,787 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-14 04:23:58,787 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 04:23:58,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 23 [2024-11-14 04:23:58,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124368801] [2024-11-14 04:23:58,788 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 04:23:58,788 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-14 04:23:58,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:23:58,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-14 04:23:58,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=195, Invalid=1209, Unknown=2, NotChecked=0, Total=1406 [2024-11-14 04:23:58,790 INFO L87 Difference]: Start difference. First operand 38 states and 41 transitions. Second operand has 24 states, 23 states have (on average 2.391304347826087) internal successors, (55), 24 states have internal predecessors, (55), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-14 04:23:59,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:23:59,029 INFO L93 Difference]: Finished difference Result 63 states and 71 transitions. [2024-11-14 04:23:59,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-14 04:23:59,030 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 2.391304347826087) internal successors, (55), 24 states have internal predecessors, (55), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 43 [2024-11-14 04:23:59,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:23:59,032 INFO L225 Difference]: With dead ends: 63 [2024-11-14 04:23:59,032 INFO L226 Difference]: Without dead ends: 62 [2024-11-14 04:23:59,033 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 595 ImplicationChecksByTransitivity, 10.3s TimeCoverageRelationStatistics Valid=195, Invalid=1209, Unknown=2, NotChecked=0, Total=1406 [2024-11-14 04:23:59,034 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 0 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 04:23:59,034 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 92 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 04:23:59,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2024-11-14 04:23:59,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2024-11-14 04:23:59,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 57 states have (on average 1.0350877192982457) internal successors, (59), 57 states have internal predecessors, (59), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-14 04:23:59,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 65 transitions. [2024-11-14 04:23:59,057 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 65 transitions. Word has length 43 [2024-11-14 04:23:59,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:23:59,057 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 65 transitions. [2024-11-14 04:23:59,057 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 2.391304347826087) internal successors, (55), 24 states have internal predecessors, (55), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-14 04:23:59,057 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 65 transitions. [2024-11-14 04:23:59,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-14 04:23:59,059 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:23:59,059 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 10, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-14 04:23:59,081 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49152ab5-e777-46ae-89b1-8fc469f83a3a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-14 04:23:59,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49152ab5-e777-46ae-89b1-8fc469f83a3a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-11-14 04:23:59,259 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-14 04:23:59,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:23:59,260 INFO L85 PathProgramCache]: Analyzing trace with hash 1120615107, now seen corresponding path program 4 times [2024-11-14 04:23:59,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:23:59,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089718960] [2024-11-14 04:23:59,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:23:59,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:23:59,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:24:00,650 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 220 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-14 04:24:00,651 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:24:00,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089718960] [2024-11-14 04:24:00,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089718960] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:24:00,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1480427593] [2024-11-14 04:24:00,651 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-14 04:24:00,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:24:00,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49152ab5-e777-46ae-89b1-8fc469f83a3a/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:24:00,653 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49152ab5-e777-46ae-89b1-8fc469f83a3a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:24:00,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49152ab5-e777-46ae-89b1-8fc469f83a3a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-14 04:24:00,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:24:00,843 INFO L255 TraceCheckSpWp]: Trace formula consists of 498 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-14 04:24:00,846 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:24:01,207 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 220 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-14 04:24:01,207 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:24:03,718 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 220 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-14 04:24:03,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1480427593] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:24:03,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [365324583] [2024-11-14 04:24:03,720 INFO L159 IcfgInterpreter]: Started Sifa with 16 locations of interest [2024-11-14 04:24:03,720 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 04:24:03,720 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 04:24:03,721 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 04:24:03,721 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 04:24:04,496 INFO L197 IcfgInterpreter]: Interpreting procedure node_create with input of size 129 for LOIs [2024-11-14 04:24:04,620 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 04:24:16,228 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '2309#(and (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~data~0#1| 1) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= |ULTIMATE.start_main_~len~0#1| 2) (<= 2 |ULTIMATE.start_main_~#s~0#1.base|))' at error location [2024-11-14 04:24:16,228 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-14 04:24:16,228 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 04:24:16,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 47 [2024-11-14 04:24:16,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150932378] [2024-11-14 04:24:16,229 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 04:24:16,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-11-14 04:24:16,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:24:16,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-11-14 04:24:16,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=639, Invalid=3142, Unknown=1, NotChecked=0, Total=3782 [2024-11-14 04:24:16,231 INFO L87 Difference]: Start difference. First operand 62 states and 65 transitions. Second operand has 48 states, 47 states have (on average 2.1914893617021276) internal successors, (103), 48 states have internal predecessors, (103), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-14 04:24:16,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:24:16,628 INFO L93 Difference]: Finished difference Result 111 states and 125 transitions. [2024-11-14 04:24:16,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-11-14 04:24:16,629 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 2.1914893617021276) internal successors, (103), 48 states have internal predecessors, (103), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 67 [2024-11-14 04:24:16,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:24:16,630 INFO L225 Difference]: With dead ends: 111 [2024-11-14 04:24:16,630 INFO L226 Difference]: Without dead ends: 110 [2024-11-14 04:24:16,631 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1629 ImplicationChecksByTransitivity, 14.8s TimeCoverageRelationStatistics Valid=639, Invalid=3142, Unknown=1, NotChecked=0, Total=3782 [2024-11-14 04:24:16,631 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 0 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-14 04:24:16,631 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 123 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-14 04:24:16,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2024-11-14 04:24:16,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2024-11-14 04:24:16,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 105 states have (on average 1.019047619047619) internal successors, (107), 105 states have internal predecessors, (107), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-14 04:24:16,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 113 transitions. [2024-11-14 04:24:16,667 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 113 transitions. Word has length 67 [2024-11-14 04:24:16,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:24:16,667 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 113 transitions. [2024-11-14 04:24:16,668 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 2.1914893617021276) internal successors, (103), 48 states have internal predecessors, (103), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-14 04:24:16,668 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 113 transitions. [2024-11-14 04:24:16,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-14 04:24:16,672 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:24:16,672 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 22, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-14 04:24:16,693 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49152ab5-e777-46ae-89b1-8fc469f83a3a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-14 04:24:16,872 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49152ab5-e777-46ae-89b1-8fc469f83a3a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-14 04:24:16,873 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-14 04:24:16,874 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:24:16,874 INFO L85 PathProgramCache]: Analyzing trace with hash 135200151, now seen corresponding path program 5 times [2024-11-14 04:24:16,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:24:16,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16968361] [2024-11-14 04:24:16,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:24:16,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:24:16,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:24:21,457 INFO L134 CoverageAnalysis]: Checked inductivity of 1028 backedges. 0 proven. 1012 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-14 04:24:21,458 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:24:21,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16968361] [2024-11-14 04:24:21,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [16968361] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:24:21,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1289702021] [2024-11-14 04:24:21,458 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-14 04:24:21,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:24:21,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49152ab5-e777-46ae-89b1-8fc469f83a3a/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:24:21,460 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49152ab5-e777-46ae-89b1-8fc469f83a3a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:24:21,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49152ab5-e777-46ae-89b1-8fc469f83a3a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-14 04:24:22,626 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 14 check-sat command(s) [2024-11-14 04:24:22,626 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 04:24:22,631 INFO L255 TraceCheckSpWp]: Trace formula consists of 555 conjuncts, 125 conjuncts are in the unsatisfiable core [2024-11-14 04:24:22,638 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:24:22,892 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-14 04:24:23,564 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-14 04:24:23,604 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-14 04:24:23,931 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-11-14 04:24:23,941 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2024-11-14 04:24:23,949 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-11-14 04:24:24,643 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-11-14 04:24:24,643 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 15 [2024-11-14 04:24:24,752 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-11-14 04:24:24,752 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 15 [2024-11-14 04:24:24,862 INFO L349 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2024-11-14 04:24:24,862 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2024-11-14 04:24:25,190 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2024-11-14 04:24:25,208 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 26 [2024-11-14 04:24:25,975 INFO L349 Elim1Store]: treesize reduction 46, result has 2.1 percent of original size [2024-11-14 04:24:25,975 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 138 treesize of output 54 [2024-11-14 04:24:25,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 04:24:25,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 04:24:26,000 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 12 [2024-11-14 04:24:26,013 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-14 04:24:26,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 04:24:26,648 INFO L349 Elim1Store]: treesize reduction 56, result has 16.4 percent of original size [2024-11-14 04:24:26,649 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 146 treesize of output 121 [2024-11-14 04:24:26,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 04:24:26,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 04:24:26,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 04:24:26,720 INFO L349 Elim1Store]: treesize reduction 37, result has 11.9 percent of original size [2024-11-14 04:24:26,721 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 128 treesize of output 122 [2024-11-14 04:24:26,820 INFO L349 Elim1Store]: treesize reduction 8, result has 77.1 percent of original size [2024-11-14 04:24:26,820 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 36 [2024-11-14 04:24:27,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 04:24:27,303 INFO L349 Elim1Store]: treesize reduction 208, result has 9.2 percent of original size [2024-11-14 04:24:27,304 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 199 treesize of output 91 [2024-11-14 04:24:27,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 04:24:27,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 04:24:27,398 INFO L349 Elim1Store]: treesize reduction 87, result has 7.4 percent of original size [2024-11-14 04:24:27,399 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 202 treesize of output 157 [2024-11-14 04:24:30,730 INFO L134 CoverageAnalysis]: Checked inductivity of 1028 backedges. 258 proven. 28 refuted. 0 times theorem prover too weak. 742 trivial. 0 not checked. [2024-11-14 04:24:30,731 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:24:33,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1289702021] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:24:33,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1449943369] [2024-11-14 04:24:33,378 INFO L159 IcfgInterpreter]: Started Sifa with 16 locations of interest [2024-11-14 04:24:33,378 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 04:24:33,378 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 04:24:33,378 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 04:24:33,378 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 04:24:34,192 INFO L197 IcfgInterpreter]: Interpreting procedure node_create with input of size 129 for LOIs [2024-11-14 04:24:34,281 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 04:25:08,783 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '3306#(and (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~data~0#1| 1) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= |ULTIMATE.start_main_~len~0#1| 2) (<= 2 |ULTIMATE.start_main_~#s~0#1.base|))' at error location [2024-11-14 04:25:08,783 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-14 04:25:08,783 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-14 04:25:08,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 23] total 69 [2024-11-14 04:25:08,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424236773] [2024-11-14 04:25:08,783 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-14 04:25:08,784 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 69 states [2024-11-14 04:25:08,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:25:08,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2024-11-14 04:25:08,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=711, Invalid=7297, Unknown=2, NotChecked=0, Total=8010 [2024-11-14 04:25:08,786 INFO L87 Difference]: Start difference. First operand 110 states and 113 transitions. Second operand has 69 states, 65 states have (on average 2.0923076923076924) internal successors, (136), 65 states have internal predecessors, (136), 4 states have call successors, (5), 2 states have call predecessors, (5), 4 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-14 04:25:11,291 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:25:13,324 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:25:15,795 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:25:18,904 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:25:21,419 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:25:23,601 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:25:25,652 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:25:27,694 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:25:33,333 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:25:35,355 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:25:35,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:25:35,687 INFO L93 Difference]: Finished difference Result 216 states and 224 transitions. [2024-11-14 04:25:35,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2024-11-14 04:25:35,688 INFO L78 Accepts]: Start accepts. Automaton has has 69 states, 65 states have (on average 2.0923076923076924) internal successors, (136), 65 states have internal predecessors, (136), 4 states have call successors, (5), 2 states have call predecessors, (5), 4 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 115 [2024-11-14 04:25:35,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:25:35,689 INFO L225 Difference]: With dead ends: 216 [2024-11-14 04:25:35,689 INFO L226 Difference]: Without dead ends: 121 [2024-11-14 04:25:35,692 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 383 GetRequests, 282 SyntacticMatches, 0 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2845 ImplicationChecksByTransitivity, 48.9s TimeCoverageRelationStatistics Valid=984, Invalid=9520, Unknown=2, NotChecked=0, Total=10506 [2024-11-14 04:25:35,693 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 1 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 817 mSolverCounterSat, 6 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 833 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 817 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.4s IncrementalHoareTripleChecker+Time [2024-11-14 04:25:35,693 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 324 Invalid, 833 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 817 Invalid, 10 Unknown, 0 Unchecked, 23.4s Time] [2024-11-14 04:25:35,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-11-14 04:25:35,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 119. [2024-11-14 04:25:35,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 113 states have (on average 1.0176991150442478) internal successors, (115), 113 states have internal predecessors, (115), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-14 04:25:35,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 123 transitions. [2024-11-14 04:25:35,728 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 123 transitions. Word has length 115 [2024-11-14 04:25:35,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:25:35,728 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 123 transitions. [2024-11-14 04:25:35,729 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 69 states, 65 states have (on average 2.0923076923076924) internal successors, (136), 65 states have internal predecessors, (136), 4 states have call successors, (5), 2 states have call predecessors, (5), 4 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-14 04:25:35,729 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 123 transitions. [2024-11-14 04:25:35,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-14 04:25:35,730 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:25:35,730 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 23, 4, 4, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1] [2024-11-14 04:25:35,753 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49152ab5-e777-46ae-89b1-8fc469f83a3a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-14 04:25:35,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49152ab5-e777-46ae-89b1-8fc469f83a3a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-14 04:25:35,931 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-14 04:25:35,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:25:35,931 INFO L85 PathProgramCache]: Analyzing trace with hash -1589775787, now seen corresponding path program 6 times [2024-11-14 04:25:35,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:25:35,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873228440] [2024-11-14 04:25:35,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:25:35,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:25:35,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:25:36,318 INFO L134 CoverageAnalysis]: Checked inductivity of 1140 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 1122 trivial. 0 not checked. [2024-11-14 04:25:36,319 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:25:36,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873228440] [2024-11-14 04:25:36,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1873228440] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:25:36,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [286591918] [2024-11-14 04:25:36,319 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-14 04:25:36,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:25:36,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49152ab5-e777-46ae-89b1-8fc469f83a3a/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:25:36,322 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49152ab5-e777-46ae-89b1-8fc469f83a3a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:25:36,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49152ab5-e777-46ae-89b1-8fc469f83a3a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-14 04:25:37,665 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-14 04:25:37,665 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 04:25:37,670 INFO L255 TraceCheckSpWp]: Trace formula consists of 823 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-14 04:25:37,672 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:25:37,800 INFO L134 CoverageAnalysis]: Checked inductivity of 1140 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 1110 trivial. 0 not checked. [2024-11-14 04:25:37,800 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:25:37,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [286591918] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:25:37,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-14 04:25:37,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 9 [2024-11-14 04:25:37,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545434646] [2024-11-14 04:25:37,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:25:37,802 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-14 04:25:37,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:25:37,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-14 04:25:37,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-14 04:25:37,803 INFO L87 Difference]: Start difference. First operand 119 states and 123 transitions. Second operand has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-14 04:25:37,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:25:37,934 INFO L93 Difference]: Finished difference Result 122 states and 125 transitions. [2024-11-14 04:25:37,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 04:25:37,935 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 127 [2024-11-14 04:25:37,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:25:37,935 INFO L225 Difference]: With dead ends: 122 [2024-11-14 04:25:37,935 INFO L226 Difference]: Without dead ends: 0 [2024-11-14 04:25:37,936 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-14 04:25:37,937 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 0 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:25:37,937 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 21 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:25:37,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-14 04:25:37,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-14 04:25:37,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:25:37,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-14 04:25:37,938 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 127 [2024-11-14 04:25:37,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:25:37,938 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-14 04:25:37,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-14 04:25:37,938 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-14 04:25:37,938 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-14 04:25:37,941 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2024-11-14 04:25:37,942 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2024-11-14 04:25:37,942 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2024-11-14 04:25:37,942 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2024-11-14 04:25:37,943 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2024-11-14 04:25:37,943 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2024-11-14 04:25:37,968 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49152ab5-e777-46ae-89b1-8fc469f83a3a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-14 04:25:38,143 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49152ab5-e777-46ae-89b1-8fc469f83a3a/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-14 04:25:38,146 INFO L407 BasicCegarLoop]: Path program histogram: [6, 1, 1, 1, 1, 1, 1] [2024-11-14 04:25:38,148 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-14 04:28:10,867 WARN L286 SmtUtils]: Spent 2.54m on a formula simplification. DAG size of input: 299 DAG size of output: 294 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-14 04:30:28,549 WARN L286 SmtUtils]: Spent 2.27m on a formula simplification. DAG size of input: 323 DAG size of output: 317 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-14 04:32:22,235 WARN L286 SmtUtils]: Spent 1.89m on a formula simplification. DAG size of input: 392 DAG size of output: 380 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-14 04:32:22,243 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 04:32:22,278 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-14 04:32:22,279 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.offset [2024-11-14 04:32:22,279 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.offset,GLOBAL] [2024-11-14 04:32:22,283 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.offset,GLOBAL],[IdentifierExpression[~#s~0!base,]]] [2024-11-14 04:32:22,283 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ptr~0!offset [2024-11-14 04:32:22,283 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base [2024-11-14 04:32:22,283 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] [2024-11-14 04:32:22,283 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~#s~0!base,]]] [2024-11-14 04:32:22,283 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ptr~0!base [2024-11-14 04:32:22,283 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-14 04:32:22,284 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-14 04:32:22,284 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#s~0!offset [2024-11-14 04:32:22,284 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#s~0!base [2024-11-14 04:32:22,284 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-14 04:32:22,284 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#s~0!offset [2024-11-14 04:32:22,284 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#s~0!base [2024-11-14 04:32:22,284 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-14 04:32:22,285 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base [2024-11-14 04:32:22,285 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] [2024-11-14 04:32:22,285 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~#s~0!base,]]] [2024-11-14 04:32:22,285 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ptr~0!base [2024-11-14 04:32:22,285 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-14 04:32:22,285 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ptr~0!offset [2024-11-14 04:32:22,285 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-14 04:32:22,285 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#s~0!offset [2024-11-14 04:32:22,285 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#s~0!base [2024-11-14 04:32:22,286 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-14 04:32:22,286 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#s~0!offset [2024-11-14 04:32:22,286 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#s~0!base [2024-11-14 04:32:22,286 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-14 04:32:22,286 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-14 04:32:22,286 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-14 04:32:22,286 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ptr~0!offset [2024-11-14 04:32:22,286 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-14 04:32:22,287 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#s~0!offset [2024-11-14 04:32:22,290 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base [2024-11-14 04:32:22,291 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] [2024-11-14 04:32:22,291 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~#s~0!base,]]] [2024-11-14 04:32:22,291 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ptr~0!base [2024-11-14 04:32:22,291 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#s~0!base [2024-11-14 04:32:22,291 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ptr~0!offset [2024-11-14 04:32:22,291 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~ptr~0!base [2024-11-14 04:32:22,291 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-14 04:32:22,292 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#s~0!offset [2024-11-14 04:32:22,292 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#s~0!base [2024-11-14 04:32:22,292 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-14 04:32:22,292 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#s~0!offset [2024-11-14 04:32:22,292 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#s~0!base [2024-11-14 04:32:22,300 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-14 04:32:22,301 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head~0!offset [2024-11-14 04:32:22,301 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head~0!base [2024-11-14 04:32:22,301 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-14 04:32:22,301 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#s~0!base [2024-11-14 04:32:22,301 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-14 04:32:22,302 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-14 04:32:22,302 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#s~0!offset [2024-11-14 04:32:22,306 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-14 04:32:22,306 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-14 04:32:22,306 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-14 04:32:22,306 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-14 04:32:22,306 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-14 04:32:22,306 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-14 04:32:22,307 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-14 04:32:22,307 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:32:22,307 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:32:22,307 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head~0!offset [2024-11-14 04:32:22,307 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-14 04:32:22,307 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#s~0!base [2024-11-14 04:32:22,307 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#s~0!offset [2024-11-14 04:32:22,307 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-14 04:32:22,307 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.offset [2024-11-14 04:32:22,307 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.offset,GLOBAL] [2024-11-14 04:32:22,308 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.offset,GLOBAL],[IdentifierExpression[~head~0!base,]]] [2024-11-14 04:32:22,308 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head~0!base [2024-11-14 04:32:22,308 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-14 04:32:22,308 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-14 04:32:22,308 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:32:22,308 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:32:22,308 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-14 04:32:22,308 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-14 04:32:22,308 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base [2024-11-14 04:32:22,308 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] [2024-11-14 04:32:22,308 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~head~0!base,]]] [2024-11-14 04:32:22,309 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-14 04:32:22,309 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head~0!offset [2024-11-14 04:32:22,309 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-14 04:32:22,310 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#s~0!base [2024-11-14 04:32:22,310 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base [2024-11-14 04:32:22,310 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] [2024-11-14 04:32:22,310 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~head~0!base,]]],[IntegerLiteral[4]]]]] [2024-11-14 04:32:22,310 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#s~0!offset [2024-11-14 04:32:22,310 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.offset [2024-11-14 04:32:22,314 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.offset,GLOBAL] [2024-11-14 04:32:22,314 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.offset,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~head~0!base,]]],[IntegerLiteral[4]]]]] [2024-11-14 04:32:22,314 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.offset [2024-11-14 04:32:22,314 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.offset,GLOBAL] [2024-11-14 04:32:22,314 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.offset,GLOBAL],[IdentifierExpression[~head~0!base,]]] [2024-11-14 04:32:22,314 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head~0!base [2024-11-14 04:32:22,314 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-14 04:32:22,315 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base [2024-11-14 04:32:22,315 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] [2024-11-14 04:32:22,315 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~head~0!base,]]] [2024-11-14 04:32:22,315 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~head~0!base [2024-11-14 04:32:22,425 WARN L162 FloydHoareUtils]: Requires clause for node_create contained old-variable. Original clause: (let ((.cse41 (select |old(#memory_int)| 1))) (let ((.cse26 (= (select .cse41 0) 48)) (.cse10 (+ |#StackHeapBarrier| 1)) (.cse25 (= (select .cse41 1) 0)) (.cse27 (<= 1 |#StackHeapBarrier|)) (.cse24 (= |node_create_#in~data#1| 1))) (let ((.cse1 (exists ((|v_ULTIMATE.start_sll_create_~len#1_BEFORE_CALL_20| Int) (|v_ULTIMATE.start_main_~len~0#1_BEFORE_CALL_22| Int) (|v_ULTIMATE.start_sll_create_~head~0#1.base_BEFORE_CALL_14| Int) (|v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_20| Int) (|v_ULTIMATE.start_main_~data~0#1_BEFORE_CALL_20| Int) (|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_20| Int) (|v_ULTIMATE.start_sll_create_~head~0#1.offset_BEFORE_CALL_14| Int)) (let ((.cse35 (= |v_ULTIMATE.start_sll_create_~len#1_BEFORE_CALL_20| 1)) (.cse36 (= 2 |v_ULTIMATE.start_sll_create_~len#1_BEFORE_CALL_20|))) (and (or (and (exists ((|v_#memory_$Pointer$.base_63| (Array Int (Array Int Int)))) (= (store |v_#memory_$Pointer$.base_63| |v_ULTIMATE.start_sll_create_~head~0#1.base_BEFORE_CALL_14| (store (select |v_#memory_$Pointer$.base_63| |v_ULTIMATE.start_sll_create_~head~0#1.base_BEFORE_CALL_14|) 4 0)) |old(#memory_$Pointer$.base)|)) (exists ((|v_#memory_int_93| (Array Int (Array Int Int)))) (= (store |v_#memory_int_93| |v_ULTIMATE.start_sll_create_~head~0#1.base_BEFORE_CALL_14| (store (select |v_#memory_int_93| |v_ULTIMATE.start_sll_create_~head~0#1.base_BEFORE_CALL_14|) 4 (select (select |old(#memory_int)| |v_ULTIMATE.start_sll_create_~head~0#1.base_BEFORE_CALL_14|) 4))) |old(#memory_int)|)) .cse35 (exists ((|v_#memory_$Pointer$.offset_63| (Array Int (Array Int Int)))) (= |old(#memory_$Pointer$.offset)| (store |v_#memory_$Pointer$.offset_63| |v_ULTIMATE.start_sll_create_~head~0#1.base_BEFORE_CALL_14| (store (select |v_#memory_$Pointer$.offset_63| |v_ULTIMATE.start_sll_create_~head~0#1.base_BEFORE_CALL_14|) 4 0))))) (and .cse36 (exists ((|v_#valid_45| (Array Int Int))) (and (= |old(#valid)| (store |v_#valid_45| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_20| 1)) (= (select |v_#valid_45| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_20|) 0) (= (select |v_#valid_45| 1) 1) (= (select |v_#valid_45| 2) 1) (= (select |v_#valid_45| 0) 0))) .cse26 (exists ((|v_#length_33| (Array Int Int))) (and (= 2 (select |v_#length_33| 1)) (= 22 (select |v_#length_33| 2)) (= |old(#length)| (store |v_#length_33| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_20| 4)))) (<= .cse10 |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_20|) .cse25)) (let ((.cse37 (= |v_ULTIMATE.start_main_~data~0#1_BEFORE_CALL_20| 1)) (.cse38 (= |v_ULTIMATE.start_sll_create_~head~0#1.offset_BEFORE_CALL_14| 0)) (.cse39 (= |v_ULTIMATE.start_main_~len~0#1_BEFORE_CALL_22| 2)) (.cse40 (= |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_20| 0))) (or (and .cse37 .cse27 .cse38 .cse24 .cse39 .cse40 (<= 2 |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_20|) .cse35) (and .cse37 .cse27 .cse38 .cse24 .cse36 .cse39 .cse40 (= |v_ULTIMATE.start_sll_create_~head~0#1.base_BEFORE_CALL_14| 0)))))))) (.cse0 (exists ((|v_ULTIMATE.start_sll_prepend_~head#1.base_BEFORE_CALL_4| Int)) (and (<= 2 |v_ULTIMATE.start_sll_prepend_~head#1.base_BEFORE_CALL_4|) (= (select (select |old(#memory_$Pointer$.offset)| |v_ULTIMATE.start_sll_prepend_~head#1.base_BEFORE_CALL_4|) 0) 0)))) (.cse22 (exists ((|v_#memory_$Pointer$.offset_47| (Array Int (Array Int Int))) (|v_ULTIMATE.start_sll_prepend_~head#1.base_BEFORE_CALL_1| Int) (|v_#memory_int_71| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_47| (Array Int (Array Int Int)))) (let ((.cse34 (select (select |old(#memory_$Pointer$.base)| |v_ULTIMATE.start_sll_prepend_~head#1.base_BEFORE_CALL_1|) 0))) (and (<= 2 |v_ULTIMATE.start_sll_prepend_~head#1.base_BEFORE_CALL_1|) (= |old(#memory_$Pointer$.offset)| (store |v_#memory_$Pointer$.offset_47| .cse34 (store (select |v_#memory_$Pointer$.offset_47| .cse34) 4 0))) (= 0 (select (select |v_#memory_$Pointer$.offset_47| |v_ULTIMATE.start_sll_prepend_~head#1.base_BEFORE_CALL_1|) 0)) (= (store |v_#memory_int_71| .cse34 (store (select |v_#memory_int_71| .cse34) 4 (select (select |old(#memory_int)| .cse34) 4))) |old(#memory_int)|) (= (store |v_#memory_$Pointer$.base_47| .cse34 (store (select |v_#memory_$Pointer$.base_47| .cse34) 4 (select (select |old(#memory_$Pointer$.base)| .cse34) 4))) |old(#memory_$Pointer$.base)|))))) (.cse23 (exists ((|v_ULTIMATE.start_main_~len~0#1_BEFORE_CALL_12| Int) (|v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_10| Int) (|v_ULTIMATE.start_sll_create_~len#1_BEFORE_CALL_11| Int) (|v_ULTIMATE.start_sll_create_~head~0#1.offset_BEFORE_CALL_7| Int) (|v_ULTIMATE.start_main_~data~0#1_BEFORE_CALL_10| Int) (|v_ULTIMATE.start_sll_create_~head~0#1.base_BEFORE_CALL_7| Int) (|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_10| Int)) (let ((.cse31 (= |v_ULTIMATE.start_sll_create_~len#1_BEFORE_CALL_11| 1))) (and (let ((.cse28 (= |v_ULTIMATE.start_main_~data~0#1_BEFORE_CALL_10| 1)) (.cse29 (= |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_10| 0)) (.cse30 (= |v_ULTIMATE.start_sll_create_~head~0#1.offset_BEFORE_CALL_7| 0)) (.cse32 (<= 2 |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_10|)) (.cse33 (= |v_ULTIMATE.start_main_~len~0#1_BEFORE_CALL_12| 2))) (or (and .cse27 .cse24 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33) (and .cse27 .cse24 (= |v_ULTIMATE.start_sll_create_~head~0#1.base_BEFORE_CALL_7| 0) .cse28 .cse29 .cse30 .cse32 .cse33))) (or (and (exists ((|v_#memory_$Pointer$.offset_47| (Array Int (Array Int Int)))) (= |old(#memory_$Pointer$.offset)| (store |v_#memory_$Pointer$.offset_47| |v_ULTIMATE.start_sll_create_~head~0#1.base_BEFORE_CALL_7| (store (select |v_#memory_$Pointer$.offset_47| |v_ULTIMATE.start_sll_create_~head~0#1.base_BEFORE_CALL_7|) 4 0)))) (exists ((|v_#memory_int_71| (Array Int (Array Int Int)))) (= |old(#memory_int)| (store |v_#memory_int_71| |v_ULTIMATE.start_sll_create_~head~0#1.base_BEFORE_CALL_7| (store (select |v_#memory_int_71| |v_ULTIMATE.start_sll_create_~head~0#1.base_BEFORE_CALL_7|) 4 (select (select |old(#memory_int)| |v_ULTIMATE.start_sll_create_~head~0#1.base_BEFORE_CALL_7|) 4))))) .cse31 (exists ((|v_#memory_$Pointer$.base_47| (Array Int (Array Int Int)))) (= (store |v_#memory_$Pointer$.base_47| |v_ULTIMATE.start_sll_create_~head~0#1.base_BEFORE_CALL_7| (store (select |v_#memory_$Pointer$.base_47| |v_ULTIMATE.start_sll_create_~head~0#1.base_BEFORE_CALL_7|) 4 (select (select |old(#memory_$Pointer$.base)| |v_ULTIMATE.start_sll_create_~head~0#1.base_BEFORE_CALL_7|) 4))) |old(#memory_$Pointer$.base)|))) (and (<= .cse10 |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_10|) (exists ((|v_#length_22| (Array Int Int))) (and (= (select |v_#length_22| 1) 2) (= 22 (select |v_#length_22| 2)) (= |old(#length)| (store |v_#length_22| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_10| 4)))) .cse26 .cse25 (exists ((|v_#valid_34| (Array Int Int))) (and (= (select |v_#valid_34| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_10|) 0) (= (select |v_#valid_34| 2) 1) (= |old(#valid)| (store |v_#valid_34| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_10| 1)) (= (select |v_#valid_34| 1) 1) (= (select |v_#valid_34| 0) 0))) (= 2 |v_ULTIMATE.start_sll_create_~len#1_BEFORE_CALL_11|)))))))) (and (or .cse0 .cse1) (let ((.cse11 (not .cse26)) (.cse12 (not .cse25)) (.cse6 (not .cse24)) (.cse7 (< |#StackHeapBarrier| 1))) (or (and (forall ((|v_ULTIMATE.start_sll_prepend_~head#1.base_BEFORE_CALL_4| Int)) (or (not (= (select (select |old(#memory_$Pointer$.offset)| |v_ULTIMATE.start_sll_prepend_~head#1.base_BEFORE_CALL_4|) 0) 0)) (< |v_ULTIMATE.start_sll_prepend_~head#1.base_BEFORE_CALL_4| 2))) (forall ((|v_ULTIMATE.start_sll_create_~len#1_BEFORE_CALL_20| Int) (|v_ULTIMATE.start_main_~len~0#1_BEFORE_CALL_22| Int) (|v_ULTIMATE.start_sll_create_~head~0#1.base_BEFORE_CALL_14| Int) (|v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_20| Int) (|v_ULTIMATE.start_main_~data~0#1_BEFORE_CALL_20| Int) (|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_20| Int) (|v_ULTIMATE.start_sll_create_~head~0#1.offset_BEFORE_CALL_14| Int)) (let ((.cse9 (not (= 2 |v_ULTIMATE.start_sll_create_~len#1_BEFORE_CALL_20|))) (.cse4 (not (= |v_ULTIMATE.start_sll_create_~len#1_BEFORE_CALL_20| 1)))) (or (let ((.cse2 (not (= |v_ULTIMATE.start_main_~data~0#1_BEFORE_CALL_20| 1))) (.cse3 (not (= |v_ULTIMATE.start_sll_create_~head~0#1.offset_BEFORE_CALL_14| 0))) (.cse5 (not (= |v_ULTIMATE.start_main_~len~0#1_BEFORE_CALL_22| 2))) (.cse8 (not (= |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_20| 0)))) (and (or .cse2 .cse3 .cse4 .cse5 (< |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_20| 2) .cse6 .cse7 .cse8) (or .cse2 .cse3 .cse5 .cse6 .cse7 .cse8 (not (= |v_ULTIMATE.start_sll_create_~head~0#1.base_BEFORE_CALL_14| 0)) .cse9))) (and (or (< |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_20| .cse10) (forall ((|v_#valid_45| (Array Int Int))) (or (not (= (select |v_#valid_45| 2) 1)) (not (= (select |v_#valid_45| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_20|) 0)) (not (= |old(#valid)| (store |v_#valid_45| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_20| 1))) (not (= (select |v_#valid_45| 0) 0)) (not (= (select |v_#valid_45| 1) 1)))) (forall ((|v_#length_33| (Array Int Int))) (or (not (= 2 (select |v_#length_33| 1))) (not (= 22 (select |v_#length_33| 2))) (not (= |old(#length)| (store |v_#length_33| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_20| 4))))) .cse11 .cse12 .cse9) (or (forall ((|v_#memory_$Pointer$.base_63| (Array Int (Array Int Int)))) (not (= (store |v_#memory_$Pointer$.base_63| |v_ULTIMATE.start_sll_create_~head~0#1.base_BEFORE_CALL_14| (store (select |v_#memory_$Pointer$.base_63| |v_ULTIMATE.start_sll_create_~head~0#1.base_BEFORE_CALL_14|) 4 0)) |old(#memory_$Pointer$.base)|))) (forall ((|v_#memory_$Pointer$.offset_63| (Array Int (Array Int Int)))) (not (= |old(#memory_$Pointer$.offset)| (store |v_#memory_$Pointer$.offset_63| |v_ULTIMATE.start_sll_create_~head~0#1.base_BEFORE_CALL_14| (store (select |v_#memory_$Pointer$.offset_63| |v_ULTIMATE.start_sll_create_~head~0#1.base_BEFORE_CALL_14|) 4 0))))) .cse4 (forall ((|v_#memory_int_93| (Array Int (Array Int Int)))) (not (= (store |v_#memory_int_93| |v_ULTIMATE.start_sll_create_~head~0#1.base_BEFORE_CALL_14| (store (select |v_#memory_int_93| |v_ULTIMATE.start_sll_create_~head~0#1.base_BEFORE_CALL_14|) 4 (select (select |old(#memory_int)| |v_ULTIMATE.start_sll_create_~head~0#1.base_BEFORE_CALL_14|) 4))) |old(#memory_int)|))))))))) (and (forall ((|v_ULTIMATE.start_main_~len~0#1_BEFORE_CALL_12| Int) (|v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_10| Int) (|v_ULTIMATE.start_sll_create_~len#1_BEFORE_CALL_11| Int) (|v_ULTIMATE.start_sll_create_~head~0#1.offset_BEFORE_CALL_7| Int) (|v_ULTIMATE.start_main_~data~0#1_BEFORE_CALL_10| Int) (|v_ULTIMATE.start_sll_create_~head~0#1.base_BEFORE_CALL_7| Int) (|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_10| Int)) (let ((.cse13 (not (= |v_ULTIMATE.start_sll_create_~len#1_BEFORE_CALL_11| 1)))) (or (and (or (< |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_10| .cse10) (forall ((|v_#length_22| (Array Int Int))) (or (not (= |old(#length)| (store |v_#length_22| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_10| 4))) (not (= 22 (select |v_#length_22| 2))) (not (= (select |v_#length_22| 1) 2)))) (not (= 2 |v_ULTIMATE.start_sll_create_~len#1_BEFORE_CALL_11|)) .cse11 .cse12 (forall ((|v_#valid_34| (Array Int Int))) (or (not (= (select |v_#valid_34| 2) 1)) (not (= |old(#valid)| (store |v_#valid_34| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_10| 1))) (not (= (select |v_#valid_34| 0) 0)) (not (= (select |v_#valid_34| 1) 1)) (not (= (select |v_#valid_34| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_10|) 0))))) (or (forall ((|v_#memory_int_71| (Array Int (Array Int Int)))) (not (= |old(#memory_int)| (store |v_#memory_int_71| |v_ULTIMATE.start_sll_create_~head~0#1.base_BEFORE_CALL_7| (store (select |v_#memory_int_71| |v_ULTIMATE.start_sll_create_~head~0#1.base_BEFORE_CALL_7|) 4 (select (select |old(#memory_int)| |v_ULTIMATE.start_sll_create_~head~0#1.base_BEFORE_CALL_7|) 4)))))) (forall ((|v_#memory_$Pointer$.offset_47| (Array Int (Array Int Int)))) (not (= |old(#memory_$Pointer$.offset)| (store |v_#memory_$Pointer$.offset_47| |v_ULTIMATE.start_sll_create_~head~0#1.base_BEFORE_CALL_7| (store (select |v_#memory_$Pointer$.offset_47| |v_ULTIMATE.start_sll_create_~head~0#1.base_BEFORE_CALL_7|) 4 0))))) .cse13 (forall ((|v_#memory_$Pointer$.base_47| (Array Int (Array Int Int)))) (not (= (store |v_#memory_$Pointer$.base_47| |v_ULTIMATE.start_sll_create_~head~0#1.base_BEFORE_CALL_7| (store (select |v_#memory_$Pointer$.base_47| |v_ULTIMATE.start_sll_create_~head~0#1.base_BEFORE_CALL_7|) 4 (select (select |old(#memory_$Pointer$.base)| |v_ULTIMATE.start_sll_create_~head~0#1.base_BEFORE_CALL_7|) 4))) |old(#memory_$Pointer$.base)|))))) (let ((.cse14 (not (= |v_ULTIMATE.start_sll_create_~head~0#1.offset_BEFORE_CALL_7| 0))) (.cse15 (not (= |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_10| 0))) (.cse16 (not (= |v_ULTIMATE.start_main_~len~0#1_BEFORE_CALL_12| 2))) (.cse17 (< |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_10| 2)) (.cse18 (not (= |v_ULTIMATE.start_main_~data~0#1_BEFORE_CALL_10| 1)))) (and (or .cse14 .cse15 .cse16 .cse17 .cse6 .cse7 (not (= |v_ULTIMATE.start_sll_create_~head~0#1.base_BEFORE_CALL_7| 0)) .cse18) (or .cse14 .cse15 .cse16 .cse17 .cse6 .cse7 .cse18 .cse13)))))) (forall ((|v_#memory_$Pointer$.offset_47| (Array Int (Array Int Int))) (|v_ULTIMATE.start_sll_prepend_~head#1.base_BEFORE_CALL_1| Int) (|v_#memory_int_71| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_47| (Array Int (Array Int Int)))) (let ((.cse19 (select (select |old(#memory_$Pointer$.base)| |v_ULTIMATE.start_sll_prepend_~head#1.base_BEFORE_CALL_1|) 0))) (or (< |v_ULTIMATE.start_sll_prepend_~head#1.base_BEFORE_CALL_1| 2) (not (= |old(#memory_$Pointer$.offset)| (store |v_#memory_$Pointer$.offset_47| .cse19 (store (select |v_#memory_$Pointer$.offset_47| .cse19) 4 0)))) (not (= (store |v_#memory_int_71| .cse19 (store (select |v_#memory_int_71| .cse19) 4 (select (select |old(#memory_int)| .cse19) 4))) |old(#memory_int)|)) (not (= 0 (select (select |v_#memory_$Pointer$.offset_47| |v_ULTIMATE.start_sll_prepend_~head#1.base_BEFORE_CALL_1|) 0))) (not (= (store |v_#memory_$Pointer$.base_47| .cse19 (store (select |v_#memory_$Pointer$.base_47| .cse19) 4 (select (select |old(#memory_$Pointer$.base)| .cse19) 4))) |old(#memory_$Pointer$.base)|)))))) (and (let ((.cse20 (= |old(#length)| |#length|)) (.cse21 (= |#memory_int| |old(#memory_int)|))) (or (and .cse20 .cse21 .cse1) (and .cse20 .cse21 .cse0))) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (or .cse22 .cse23) (= |old(#valid)| |#valid|)))) (or (and .cse27 .cse24 .cse22) .cse23))))) Eliminated clause: (exists ((|old(#valid)| (Array Int Int)) (|old(#length)| (Array Int Int)) (|old(#memory_int)| (Array Int (Array Int Int))) (|old(#memory_$Pointer$.offset)| (Array Int (Array Int Int))) (|old(#memory_$Pointer$.base)| (Array Int (Array Int Int)))) (let ((.cse39 (select |old(#memory_int)| 1))) (let ((.cse24 (= (select .cse39 0) 48)) (.cse10 (+ |#StackHeapBarrier| 1)) (.cse23 (= (select .cse39 1) 0)) (.cse25 (<= 1 |#StackHeapBarrier|)) (.cse22 (= |node_create_#in~data#1| 1))) (let ((.cse1 (exists ((|v_ULTIMATE.start_sll_create_~len#1_BEFORE_CALL_20| Int) (|v_ULTIMATE.start_main_~len~0#1_BEFORE_CALL_22| Int) (|v_ULTIMATE.start_sll_create_~head~0#1.base_BEFORE_CALL_14| Int) (|v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_20| Int) (|v_ULTIMATE.start_main_~data~0#1_BEFORE_CALL_20| Int) (|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_20| Int) (|v_ULTIMATE.start_sll_create_~head~0#1.offset_BEFORE_CALL_14| Int)) (let ((.cse33 (= |v_ULTIMATE.start_sll_create_~len#1_BEFORE_CALL_20| 1)) (.cse34 (= 2 |v_ULTIMATE.start_sll_create_~len#1_BEFORE_CALL_20|))) (and (or (and (exists ((|v_#memory_$Pointer$.base_63| (Array Int (Array Int Int)))) (= (store |v_#memory_$Pointer$.base_63| |v_ULTIMATE.start_sll_create_~head~0#1.base_BEFORE_CALL_14| (store (select |v_#memory_$Pointer$.base_63| |v_ULTIMATE.start_sll_create_~head~0#1.base_BEFORE_CALL_14|) 4 0)) |old(#memory_$Pointer$.base)|)) (exists ((|v_#memory_int_93| (Array Int (Array Int Int)))) (= (store |v_#memory_int_93| |v_ULTIMATE.start_sll_create_~head~0#1.base_BEFORE_CALL_14| (store (select |v_#memory_int_93| |v_ULTIMATE.start_sll_create_~head~0#1.base_BEFORE_CALL_14|) 4 (select (select |old(#memory_int)| |v_ULTIMATE.start_sll_create_~head~0#1.base_BEFORE_CALL_14|) 4))) |old(#memory_int)|)) .cse33 (exists ((|v_#memory_$Pointer$.offset_63| (Array Int (Array Int Int)))) (= |old(#memory_$Pointer$.offset)| (store |v_#memory_$Pointer$.offset_63| |v_ULTIMATE.start_sll_create_~head~0#1.base_BEFORE_CALL_14| (store (select |v_#memory_$Pointer$.offset_63| |v_ULTIMATE.start_sll_create_~head~0#1.base_BEFORE_CALL_14|) 4 0))))) (and .cse34 (exists ((|v_#valid_45| (Array Int Int))) (and (= |old(#valid)| (store |v_#valid_45| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_20| 1)) (= (select |v_#valid_45| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_20|) 0) (= (select |v_#valid_45| 1) 1) (= (select |v_#valid_45| 2) 1) (= (select |v_#valid_45| 0) 0))) .cse24 (exists ((|v_#length_33| (Array Int Int))) (and (= 2 (select |v_#length_33| 1)) (= 22 (select |v_#length_33| 2)) (= |old(#length)| (store |v_#length_33| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_20| 4)))) (<= .cse10 |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_20|) .cse23)) (let ((.cse35 (= |v_ULTIMATE.start_main_~data~0#1_BEFORE_CALL_20| 1)) (.cse36 (= |v_ULTIMATE.start_sll_create_~head~0#1.offset_BEFORE_CALL_14| 0)) (.cse37 (= |v_ULTIMATE.start_main_~len~0#1_BEFORE_CALL_22| 2)) (.cse38 (= |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_20| 0))) (or (and .cse35 .cse25 .cse36 .cse22 .cse37 .cse38 (<= 2 |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_20|) .cse33) (and .cse35 .cse25 .cse36 .cse22 .cse34 .cse37 .cse38 (= |v_ULTIMATE.start_sll_create_~head~0#1.base_BEFORE_CALL_14| 0)))))))) (.cse0 (exists ((|v_ULTIMATE.start_sll_prepend_~head#1.base_BEFORE_CALL_4| Int)) (and (<= 2 |v_ULTIMATE.start_sll_prepend_~head#1.base_BEFORE_CALL_4|) (= (select (select |old(#memory_$Pointer$.offset)| |v_ULTIMATE.start_sll_prepend_~head#1.base_BEFORE_CALL_4|) 0) 0))))) (and (or .cse0 .cse1) (let ((.cse11 (not .cse24)) (.cse12 (not .cse23)) (.cse6 (not .cse22)) (.cse7 (< |#StackHeapBarrier| 1))) (or (and (forall ((|v_ULTIMATE.start_sll_prepend_~head#1.base_BEFORE_CALL_4| Int)) (or (not (= (select (select |old(#memory_$Pointer$.offset)| |v_ULTIMATE.start_sll_prepend_~head#1.base_BEFORE_CALL_4|) 0) 0)) (< |v_ULTIMATE.start_sll_prepend_~head#1.base_BEFORE_CALL_4| 2))) (forall ((|v_ULTIMATE.start_sll_create_~len#1_BEFORE_CALL_20| Int) (|v_ULTIMATE.start_main_~len~0#1_BEFORE_CALL_22| Int) (|v_ULTIMATE.start_sll_create_~head~0#1.base_BEFORE_CALL_14| Int) (|v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_20| Int) (|v_ULTIMATE.start_main_~data~0#1_BEFORE_CALL_20| Int) (|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_20| Int) (|v_ULTIMATE.start_sll_create_~head~0#1.offset_BEFORE_CALL_14| Int)) (let ((.cse9 (not (= 2 |v_ULTIMATE.start_sll_create_~len#1_BEFORE_CALL_20|))) (.cse4 (not (= |v_ULTIMATE.start_sll_create_~len#1_BEFORE_CALL_20| 1)))) (or (let ((.cse2 (not (= |v_ULTIMATE.start_main_~data~0#1_BEFORE_CALL_20| 1))) (.cse3 (not (= |v_ULTIMATE.start_sll_create_~head~0#1.offset_BEFORE_CALL_14| 0))) (.cse5 (not (= |v_ULTIMATE.start_main_~len~0#1_BEFORE_CALL_22| 2))) (.cse8 (not (= |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_20| 0)))) (and (or .cse2 .cse3 .cse4 .cse5 (< |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_20| 2) .cse6 .cse7 .cse8) (or .cse2 .cse3 .cse5 .cse6 .cse7 .cse8 (not (= |v_ULTIMATE.start_sll_create_~head~0#1.base_BEFORE_CALL_14| 0)) .cse9))) (and (or (< |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_20| .cse10) (forall ((|v_#valid_45| (Array Int Int))) (or (not (= (select |v_#valid_45| 2) 1)) (not (= (select |v_#valid_45| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_20|) 0)) (not (= |old(#valid)| (store |v_#valid_45| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_20| 1))) (not (= (select |v_#valid_45| 0) 0)) (not (= (select |v_#valid_45| 1) 1)))) (forall ((|v_#length_33| (Array Int Int))) (or (not (= 2 (select |v_#length_33| 1))) (not (= 22 (select |v_#length_33| 2))) (not (= |old(#length)| (store |v_#length_33| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_20| 4))))) .cse11 .cse12 .cse9) (or (forall ((|v_#memory_$Pointer$.base_63| (Array Int (Array Int Int)))) (not (= (store |v_#memory_$Pointer$.base_63| |v_ULTIMATE.start_sll_create_~head~0#1.base_BEFORE_CALL_14| (store (select |v_#memory_$Pointer$.base_63| |v_ULTIMATE.start_sll_create_~head~0#1.base_BEFORE_CALL_14|) 4 0)) |old(#memory_$Pointer$.base)|))) (forall ((|v_#memory_$Pointer$.offset_63| (Array Int (Array Int Int)))) (not (= |old(#memory_$Pointer$.offset)| (store |v_#memory_$Pointer$.offset_63| |v_ULTIMATE.start_sll_create_~head~0#1.base_BEFORE_CALL_14| (store (select |v_#memory_$Pointer$.offset_63| |v_ULTIMATE.start_sll_create_~head~0#1.base_BEFORE_CALL_14|) 4 0))))) .cse4 (forall ((|v_#memory_int_93| (Array Int (Array Int Int)))) (not (= (store |v_#memory_int_93| |v_ULTIMATE.start_sll_create_~head~0#1.base_BEFORE_CALL_14| (store (select |v_#memory_int_93| |v_ULTIMATE.start_sll_create_~head~0#1.base_BEFORE_CALL_14|) 4 (select (select |old(#memory_int)| |v_ULTIMATE.start_sll_create_~head~0#1.base_BEFORE_CALL_14|) 4))) |old(#memory_int)|))))))))) (and (forall ((|v_ULTIMATE.start_main_~len~0#1_BEFORE_CALL_12| Int) (|v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_10| Int) (|v_ULTIMATE.start_sll_create_~len#1_BEFORE_CALL_11| Int) (|v_ULTIMATE.start_sll_create_~head~0#1.offset_BEFORE_CALL_7| Int) (|v_ULTIMATE.start_main_~data~0#1_BEFORE_CALL_10| Int) (|v_ULTIMATE.start_sll_create_~head~0#1.base_BEFORE_CALL_7| Int) (|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_10| Int)) (let ((.cse13 (not (= |v_ULTIMATE.start_sll_create_~len#1_BEFORE_CALL_11| 1)))) (or (and (or (< |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_10| .cse10) (forall ((|v_#length_22| (Array Int Int))) (or (not (= |old(#length)| (store |v_#length_22| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_10| 4))) (not (= 22 (select |v_#length_22| 2))) (not (= (select |v_#length_22| 1) 2)))) (not (= 2 |v_ULTIMATE.start_sll_create_~len#1_BEFORE_CALL_11|)) .cse11 .cse12 (forall ((|v_#valid_34| (Array Int Int))) (or (not (= (select |v_#valid_34| 2) 1)) (not (= |old(#valid)| (store |v_#valid_34| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_10| 1))) (not (= (select |v_#valid_34| 0) 0)) (not (= (select |v_#valid_34| 1) 1)) (not (= (select |v_#valid_34| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_10|) 0))))) (or (forall ((|v_#memory_int_71| (Array Int (Array Int Int)))) (not (= |old(#memory_int)| (store |v_#memory_int_71| |v_ULTIMATE.start_sll_create_~head~0#1.base_BEFORE_CALL_7| (store (select |v_#memory_int_71| |v_ULTIMATE.start_sll_create_~head~0#1.base_BEFORE_CALL_7|) 4 (select (select |old(#memory_int)| |v_ULTIMATE.start_sll_create_~head~0#1.base_BEFORE_CALL_7|) 4)))))) (forall ((|v_#memory_$Pointer$.offset_47| (Array Int (Array Int Int)))) (not (= |old(#memory_$Pointer$.offset)| (store |v_#memory_$Pointer$.offset_47| |v_ULTIMATE.start_sll_create_~head~0#1.base_BEFORE_CALL_7| (store (select |v_#memory_$Pointer$.offset_47| |v_ULTIMATE.start_sll_create_~head~0#1.base_BEFORE_CALL_7|) 4 0))))) .cse13 (forall ((|v_#memory_$Pointer$.base_47| (Array Int (Array Int Int)))) (not (= (store |v_#memory_$Pointer$.base_47| |v_ULTIMATE.start_sll_create_~head~0#1.base_BEFORE_CALL_7| (store (select |v_#memory_$Pointer$.base_47| |v_ULTIMATE.start_sll_create_~head~0#1.base_BEFORE_CALL_7|) 4 (select (select |old(#memory_$Pointer$.base)| |v_ULTIMATE.start_sll_create_~head~0#1.base_BEFORE_CALL_7|) 4))) |old(#memory_$Pointer$.base)|))))) (let ((.cse14 (not (= |v_ULTIMATE.start_sll_create_~head~0#1.offset_BEFORE_CALL_7| 0))) (.cse15 (not (= |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_10| 0))) (.cse16 (not (= |v_ULTIMATE.start_main_~len~0#1_BEFORE_CALL_12| 2))) (.cse17 (< |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_10| 2)) (.cse18 (not (= |v_ULTIMATE.start_main_~data~0#1_BEFORE_CALL_10| 1)))) (and (or .cse14 .cse15 .cse16 .cse17 .cse6 .cse7 (not (= |v_ULTIMATE.start_sll_create_~head~0#1.base_BEFORE_CALL_7| 0)) .cse18) (or .cse14 .cse15 .cse16 .cse17 .cse6 .cse7 .cse18 .cse13)))))) (forall ((|v_#memory_$Pointer$.offset_47| (Array Int (Array Int Int))) (|v_ULTIMATE.start_sll_prepend_~head#1.base_BEFORE_CALL_1| Int) (|v_#memory_int_71| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_47| (Array Int (Array Int Int)))) (let ((.cse19 (select (select |old(#memory_$Pointer$.base)| |v_ULTIMATE.start_sll_prepend_~head#1.base_BEFORE_CALL_1|) 0))) (or (< |v_ULTIMATE.start_sll_prepend_~head#1.base_BEFORE_CALL_1| 2) (not (= |old(#memory_$Pointer$.offset)| (store |v_#memory_$Pointer$.offset_47| .cse19 (store (select |v_#memory_$Pointer$.offset_47| .cse19) 4 0)))) (not (= (store |v_#memory_int_71| .cse19 (store (select |v_#memory_int_71| .cse19) 4 (select (select |old(#memory_int)| .cse19) 4))) |old(#memory_int)|)) (not (= 0 (select (select |v_#memory_$Pointer$.offset_47| |v_ULTIMATE.start_sll_prepend_~head#1.base_BEFORE_CALL_1|) 0))) (not (= (store |v_#memory_$Pointer$.base_47| .cse19 (store (select |v_#memory_$Pointer$.base_47| .cse19) 4 (select (select |old(#memory_$Pointer$.base)| .cse19) 4))) |old(#memory_$Pointer$.base)|)))))) (and (let ((.cse20 (= |old(#length)| |#length|)) (.cse21 (= |#memory_int| |old(#memory_int)|))) (or (and .cse20 .cse21 .cse1) (and .cse20 .cse21 .cse0))) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)))) (or (and .cse25 .cse22 (exists ((|v_#memory_$Pointer$.offset_47| (Array Int (Array Int Int))) (|v_ULTIMATE.start_sll_prepend_~head#1.base_BEFORE_CALL_1| Int) (|v_#memory_int_71| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_47| (Array Int (Array Int Int)))) (let ((.cse26 (select (select |old(#memory_$Pointer$.base)| |v_ULTIMATE.start_sll_prepend_~head#1.base_BEFORE_CALL_1|) 0))) (and (<= 2 |v_ULTIMATE.start_sll_prepend_~head#1.base_BEFORE_CALL_1|) (= |old(#memory_$Pointer$.offset)| (store |v_#memory_$Pointer$.offset_47| .cse26 (store (select |v_#memory_$Pointer$.offset_47| .cse26) 4 0))) (= 0 (select (select |v_#memory_$Pointer$.offset_47| |v_ULTIMATE.start_sll_prepend_~head#1.base_BEFORE_CALL_1|) 0)) (= (store |v_#memory_int_71| .cse26 (store (select |v_#memory_int_71| .cse26) 4 (select (select |old(#memory_int)| .cse26) 4))) |old(#memory_int)|) (= (store |v_#memory_$Pointer$.base_47| .cse26 (store (select |v_#memory_$Pointer$.base_47| .cse26) 4 (select (select |old(#memory_$Pointer$.base)| .cse26) 4))) |old(#memory_$Pointer$.base)|))))) (exists ((|v_ULTIMATE.start_main_~len~0#1_BEFORE_CALL_12| Int) (|v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_10| Int) (|v_ULTIMATE.start_sll_create_~len#1_BEFORE_CALL_11| Int) (|v_ULTIMATE.start_sll_create_~head~0#1.offset_BEFORE_CALL_7| Int) (|v_ULTIMATE.start_main_~data~0#1_BEFORE_CALL_10| Int) (|v_ULTIMATE.start_sll_create_~head~0#1.base_BEFORE_CALL_7| Int) (|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_10| Int)) (let ((.cse30 (= |v_ULTIMATE.start_sll_create_~len#1_BEFORE_CALL_11| 1))) (and (let ((.cse27 (= |v_ULTIMATE.start_main_~data~0#1_BEFORE_CALL_10| 1)) (.cse28 (= |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_10| 0)) (.cse29 (= |v_ULTIMATE.start_sll_create_~head~0#1.offset_BEFORE_CALL_7| 0)) (.cse31 (<= 2 |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_10|)) (.cse32 (= |v_ULTIMATE.start_main_~len~0#1_BEFORE_CALL_12| 2))) (or (and .cse25 .cse22 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32) (and .cse25 .cse22 (= |v_ULTIMATE.start_sll_create_~head~0#1.base_BEFORE_CALL_7| 0) .cse27 .cse28 .cse29 .cse31 .cse32))) (or (and (exists ((|v_#memory_$Pointer$.offset_47| (Array Int (Array Int Int)))) (= |old(#memory_$Pointer$.offset)| (store |v_#memory_$Pointer$.offset_47| |v_ULTIMATE.start_sll_create_~head~0#1.base_BEFORE_CALL_7| (store (select |v_#memory_$Pointer$.offset_47| |v_ULTIMATE.start_sll_create_~head~0#1.base_BEFORE_CALL_7|) 4 0)))) (exists ((|v_#memory_int_71| (Array Int (Array Int Int)))) (= |old(#memory_int)| (store |v_#memory_int_71| |v_ULTIMATE.start_sll_create_~head~0#1.base_BEFORE_CALL_7| (store (select |v_#memory_int_71| |v_ULTIMATE.start_sll_create_~head~0#1.base_BEFORE_CALL_7|) 4 (select (select |old(#memory_int)| |v_ULTIMATE.start_sll_create_~head~0#1.base_BEFORE_CALL_7|) 4))))) .cse30 (exists ((|v_#memory_$Pointer$.base_47| (Array Int (Array Int Int)))) (= (store |v_#memory_$Pointer$.base_47| |v_ULTIMATE.start_sll_create_~head~0#1.base_BEFORE_CALL_7| (store (select |v_#memory_$Pointer$.base_47| |v_ULTIMATE.start_sll_create_~head~0#1.base_BEFORE_CALL_7|) 4 (select (select |old(#memory_$Pointer$.base)| |v_ULTIMATE.start_sll_create_~head~0#1.base_BEFORE_CALL_7|) 4))) |old(#memory_$Pointer$.base)|))) (and (<= .cse10 |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_10|) (exists ((|v_#length_22| (Array Int Int))) (and (= (select |v_#length_22| 1) 2) (= 22 (select |v_#length_22| 2)) (= |old(#length)| (store |v_#length_22| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_10| 4)))) .cse24 .cse23 (exists ((|v_#valid_34| (Array Int Int))) (and (= (select |v_#valid_34| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_10|) 0) (= (select |v_#valid_34| 2) 1) (= |old(#valid)| (store |v_#valid_34| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_10| 1)) (= (select |v_#valid_34| 1) 1) (= (select |v_#valid_34| 0) 0))) (= 2 |v_ULTIMATE.start_sll_create_~len#1_BEFORE_CALL_11|)))))))))))) [2024-11-14 04:32:22,598 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-14 04:32:22,598 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-14 04:32:22,598 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-14 04:32:22,598 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-14 04:32:22,599 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #res!base [2024-11-14 04:32:22,599 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-14 04:32:22,599 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-14 04:32:22,599 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #res!base [2024-11-14 04:32:22,599 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #res!offset [2024-11-14 04:32:22,599 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-14 04:32:22,599 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-14 04:32:22,599 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-14 04:32:22,599 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-14 04:32:22,599 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-14 04:32:22,599 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-14 04:32:22,601 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL [2024-11-14 04:32:22,601 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID [2024-11-14 04:32:22,602 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID [2024-11-14 04:32:22,603 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 04:32:22 BoogieIcfgContainer [2024-11-14 04:32:22,603 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 04:32:22,603 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 04:32:22,604 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 04:32:22,604 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 04:32:22,604 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:23:00" (3/4) ... [2024-11-14 04:32:22,607 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-14 04:32:22,610 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure node_create [2024-11-14 04:32:22,615 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2024-11-14 04:32:22,615 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-14 04:32:22,615 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-14 04:32:22,615 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-14 04:32:22,726 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49152ab5-e777-46ae-89b1-8fc469f83a3a/bin/utaipan-verify-sOmjnqqW8E/witness.graphml [2024-11-14 04:32:22,726 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49152ab5-e777-46ae-89b1-8fc469f83a3a/bin/utaipan-verify-sOmjnqqW8E/witness.yml [2024-11-14 04:32:22,726 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 04:32:22,728 INFO L158 Benchmark]: Toolchain (without parser) took 563243.11ms. Allocated memory was 117.4MB in the beginning and 562.0MB in the end (delta: 444.6MB). Free memory was 92.9MB in the beginning and 417.7MB in the end (delta: -324.8MB). Peak memory consumption was 119.0MB. Max. memory is 16.1GB. [2024-11-14 04:32:22,728 INFO L158 Benchmark]: CDTParser took 1.55ms. Allocated memory is still 167.8MB. Free memory is still 104.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:32:22,728 INFO L158 Benchmark]: CACSL2BoogieTranslator took 593.51ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 75.3MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 04:32:22,729 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.62ms. Allocated memory is still 117.4MB. Free memory was 75.3MB in the beginning and 73.5MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:32:22,729 INFO L158 Benchmark]: Boogie Preprocessor took 32.13ms. Allocated memory is still 117.4MB. Free memory was 73.5MB in the beginning and 72.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:32:22,730 INFO L158 Benchmark]: RCFGBuilder took 479.80ms. Allocated memory is still 117.4MB. Free memory was 72.0MB in the beginning and 54.0MB in the end (delta: 18.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-14 04:32:22,730 INFO L158 Benchmark]: TraceAbstraction took 561949.20ms. Allocated memory was 117.4MB in the beginning and 562.0MB in the end (delta: 444.6MB). Free memory was 53.3MB in the beginning and 421.9MB in the end (delta: -368.6MB). Peak memory consumption was 298.8MB. Max. memory is 16.1GB. [2024-11-14 04:32:22,730 INFO L158 Benchmark]: Witness Printer took 123.10ms. Allocated memory is still 562.0MB. Free memory was 421.9MB in the beginning and 417.7MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:32:22,733 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.55ms. Allocated memory is still 167.8MB. Free memory is still 104.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 593.51ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 75.3MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.62ms. Allocated memory is still 117.4MB. Free memory was 75.3MB in the beginning and 73.5MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 32.13ms. Allocated memory is still 117.4MB. Free memory was 73.5MB in the beginning and 72.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 479.80ms. Allocated memory is still 117.4MB. Free memory was 72.0MB in the beginning and 54.0MB in the end (delta: 18.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 561949.20ms. Allocated memory was 117.4MB in the beginning and 562.0MB in the end (delta: 444.6MB). Free memory was 53.3MB in the beginning and 421.9MB in the end (delta: -368.6MB). Peak memory consumption was 298.8MB. Max. memory is 16.1GB. * Witness Printer took 123.10ms. Allocated memory is still 562.0MB. Free memory was 421.9MB in the beginning and 417.7MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.offset,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.offset,GLOBAL],[IdentifierExpression[~#s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~ptr~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~#s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~ptr~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#s~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#s~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#s~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#s~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~#s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~ptr~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~ptr~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#s~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#s~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#s~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#s~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~ptr~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#s~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~#s~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~ptr~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#s~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~ptr~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~ptr~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#s~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#s~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#s~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#s~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~head~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~head~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#s~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#s~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~head~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#s~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#s~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.offset,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.offset,GLOBAL],[IdentifierExpression[~head~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~head~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~head~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~head~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#s~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~head~0!base,]]],[IntegerLiteral[4]]]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#s~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.offset,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.offset,GLOBAL],[ArrayAccessExpression[ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~head~0!base,]]],[IntegerLiteral[4]]]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.offset,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.offset,GLOBAL],[IdentifierExpression[~head~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~head~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$.base,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$.base,GLOBAL],[IdentifierExpression[~head~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~head~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #res!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #res!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #res!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID * 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: 585]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 585]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 617]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 617]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 619]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 619]: 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 2 procedures, 29 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 157.4s, OverallIterations: 12, TraceHistogramMax: 24, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 38.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 17 mSolverCounterUnknown, 15 SdHoareTripleChecker+Valid, 34.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 14 mSDsluCounter, 874 SdHoareTripleChecker+Invalid, 33.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 738 mSDsCounter, 19 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1716 IncrementalHoareTripleChecker+Invalid, 1752 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 19 mSolverCounterUnsat, 136 mSDtfsCounter, 1716 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1218 GetRequests, 911 SyntacticMatches, 13 SemanticMatches, 294 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5542 ImplicationChecksByTransitivity, 98.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=119occurred in iteration=11, InterpolantAutomatonStates: 204, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 6 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 3.1s SatisfiabilityAnalysisTime, 23.4s InterpolantComputationTime, 984 NumberOfCodeBlocks, 940 NumberOfCodeBlocksAsserted, 38 NumberOfCheckSat, 1160 ConstructedInterpolants, 9 QuantifiedInterpolants, 5142 SizeOfPredicates, 10 NumberOfNonLiveVariables, 3648 ConjunctsInSsa, 194 ConjunctsInUnsatCore, 28 InterpolantComputations, 5 PerfectInterpolantSequences, 3507/5360 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: OVERALL_TIME: 3.6s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 4, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 37, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 57, TOOLS_POST_TIME: 1.7s, TOOLS_POST_CALL_APPLICATIONS: 20, TOOLS_POST_CALL_TIME: 0.5s, TOOLS_POST_RETURN_APPLICATIONS: 16, TOOLS_POST_RETURN_TIME: 0.7s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 93, TOOLS_QUANTIFIERELIM_TIME: 2.8s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.1s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 131, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 22, DOMAIN_JOIN_TIME: 0.4s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME: 0.1s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME: 0.1s, DOMAIN_ISBOTTOM_APPLICATIONS: 37, DOMAIN_ISBOTTOM_TIME: 0.1s, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME: 1.8s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 1.8s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, CALL_SUMMARIZER_APPLICATIONS: 16, CALL_SUMMARIZER_CACHE_MISSES: 2, 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: 542, DAG_COMPRESSION_RETAINED_NODES: 110, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 611]: Loop Invariant Derived loop invariant: (((((((count == 1) && (data == 1)) && (len == 2)) || (((count == 0) && (data == 1)) && (len == 2))) || ((count <= 2) && ((((count == 0) && (data == 1)) && (len == 2)) || (((1 <= count) && (data == 1)) && (len == 2))))) || (((count == 0) && (data == 1)) && (len == 2))) || (((count <= 3) && (0 < count)) && ((((count == 0) && (data == 1)) && (len == 2)) || (((1 <= count) && (data == 1)) && (len == 2))))) - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: ((((((2 == len) && (data == 1)) && (len == 2)) && (data == 1)) || ((((len == 1) && (data == 1)) && (len == 2)) && (data == 1))) || ((((data == 1) && (len == 0)) && (len == 2)) && (data == 1))) RESULT: Ultimate proved your program to be correct! [2024-11-14 04:32:22,900 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49152ab5-e777-46ae-89b1-8fc469f83a3a/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE