./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/memsafety-ext2/length_test03-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a6e021d-2e19-47d2-82c3-61b0b60209f1/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a6e021d-2e19-47d2-82c3-61b0b60209f1/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a6e021d-2e19-47d2-82c3-61b0b60209f1/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a6e021d-2e19-47d2-82c3-61b0b60209f1/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/memsafety-ext2/length_test03-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a6e021d-2e19-47d2-82c3-61b0b60209f1/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a6e021d-2e19-47d2-82c3-61b0b60209f1/bin/utaipan-verify-SwPr7d2a91 --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 8d477dcc38abb71f88978d460e8393ef9ba09f24c134f3de362c4df2a3599c9a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:55:04,206 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:55:04,302 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a6e021d-2e19-47d2-82c3-61b0b60209f1/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Overflow-32bit-Taipan_Default.epf [2023-11-24 23:55:04,311 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:55:04,312 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:55:04,339 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:55:04,340 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:55:04,340 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:55:04,341 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:55:04,342 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:55:04,342 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:55:04,343 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:55:04,344 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:55:04,344 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:55:04,345 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:55:04,346 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:55:04,346 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:55:04,347 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:55:04,347 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:55:04,348 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:55:04,349 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:55:04,350 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:55:04,351 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:55:04,351 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:55:04,352 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:55:04,353 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:55:04,353 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:55:04,354 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:55:04,354 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:55:04,355 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:55:04,355 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:55:04,356 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:55:04,356 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:55:04,357 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:55:04,357 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:55:04,357 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:55:04,358 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:55:04,358 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:55:04,358 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:55:04,359 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:55:04,359 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:55:04,364 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:55:04,364 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:55:04,365 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:55:04,365 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:55:04,366 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:55:04,366 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:55:04,366 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:55:04,366 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:55:04,367 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a6e021d-2e19-47d2-82c3-61b0b60209f1/bin/utaipan-verify-SwPr7d2a91/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a6e021d-2e19-47d2-82c3-61b0b60209f1/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d477dcc38abb71f88978d460e8393ef9ba09f24c134f3de362c4df2a3599c9a [2023-11-24 23:55:04,674 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:55:04,707 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:55:04,710 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:55:04,711 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:55:04,712 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:55:04,713 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a6e021d-2e19-47d2-82c3-61b0b60209f1/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/memsafety-ext2/length_test03-2.i [2023-11-24 23:55:07,870 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:55:08,211 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:55:08,212 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a6e021d-2e19-47d2-82c3-61b0b60209f1/sv-benchmarks/c/memsafety-ext2/length_test03-2.i [2023-11-24 23:55:08,227 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a6e021d-2e19-47d2-82c3-61b0b60209f1/bin/utaipan-verify-SwPr7d2a91/data/2edf5986e/f9297377f5584fd5871494d34f77fa70/FLAG51ce1f3a7 [2023-11-24 23:55:08,244 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a6e021d-2e19-47d2-82c3-61b0b60209f1/bin/utaipan-verify-SwPr7d2a91/data/2edf5986e/f9297377f5584fd5871494d34f77fa70 [2023-11-24 23:55:08,247 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:55:08,249 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:55:08,250 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:55:08,251 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:55:08,260 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:55:08,261 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:55:08" (1/1) ... [2023-11-24 23:55:08,262 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52e09499 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:08, skipping insertion in model container [2023-11-24 23:55:08,263 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:55:08" (1/1) ... [2023-11-24 23:55:08,321 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:55:08,628 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:55:08,639 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:55:08,683 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:55:08,715 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:55:08,716 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:08 WrapperNode [2023-11-24 23:55:08,716 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:55:08,717 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:55:08,718 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:55:08,718 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:55:08,726 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:08" (1/1) ... [2023-11-24 23:55:08,741 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:08" (1/1) ... [2023-11-24 23:55:08,764 INFO L138 Inliner]: procedures = 123, calls = 38, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 93 [2023-11-24 23:55:08,765 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:55:08,766 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:55:08,766 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:55:08,766 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:55:08,776 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:08" (1/1) ... [2023-11-24 23:55:08,776 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:08" (1/1) ... [2023-11-24 23:55:08,780 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:08" (1/1) ... [2023-11-24 23:55:08,781 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:08" (1/1) ... [2023-11-24 23:55:08,789 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:08" (1/1) ... [2023-11-24 23:55:08,793 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:08" (1/1) ... [2023-11-24 23:55:08,795 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:08" (1/1) ... [2023-11-24 23:55:08,797 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:08" (1/1) ... [2023-11-24 23:55:08,800 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:55:08,801 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:55:08,801 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:55:08,801 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:55:08,802 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:08" (1/1) ... [2023-11-24 23:55:08,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:55:08,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a6e021d-2e19-47d2-82c3-61b0b60209f1/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:55:08,845 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a6e021d-2e19-47d2-82c3-61b0b60209f1/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:55:08,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a6e021d-2e19-47d2-82c3-61b0b60209f1/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:55:08,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:55:08,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 23:55:08,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:55:08,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 23:55:08,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 23:55:08,893 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:55:08,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:55:08,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:55:08,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:55:08,895 INFO L130 BoogieDeclarations]: Found specification of procedure append [2023-11-24 23:55:08,895 INFO L138 BoogieDeclarations]: Found implementation of procedure append [2023-11-24 23:55:09,006 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:55:09,008 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:55:09,340 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:55:09,455 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:55:09,456 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-24 23:55:09,458 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:55:09 BoogieIcfgContainer [2023-11-24 23:55:09,458 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:55:09,461 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:55:09,461 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:55:09,464 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:55:09,465 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:55:08" (1/3) ... [2023-11-24 23:55:09,466 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@530202be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:55:09, skipping insertion in model container [2023-11-24 23:55:09,466 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:55:08" (2/3) ... [2023-11-24 23:55:09,466 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@530202be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:55:09, skipping insertion in model container [2023-11-24 23:55:09,467 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:55:09" (3/3) ... [2023-11-24 23:55:09,468 INFO L112 eAbstractionObserver]: Analyzing ICFG length_test03-2.i [2023-11-24 23:55:09,490 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:55:09,491 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-11-24 23:55:09,551 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:55:09,558 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@42c2fc13, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:55:09,558 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-11-24 23:55:09,562 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 14 states have (on average 1.6428571428571428) internal successors, (23), 18 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) [2023-11-24 23:55:09,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:55:09,570 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:55:09,570 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:55:09,571 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-24 23:55:09,576 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:55:09,577 INFO L85 PathProgramCache]: Analyzing trace with hash 521049016, now seen corresponding path program 1 times [2023-11-24 23:55:09,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:55:09,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379127237] [2023-11-24 23:55:09,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:55:09,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:55:09,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:55:09,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:55:09,897 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:55:09,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379127237] [2023-11-24 23:55:09,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379127237] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:55:09,899 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:55:09,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 23:55:09,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290244100] [2023-11-24 23:55:09,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:55:09,907 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-24 23:55:09,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:55:09,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-24 23:55:09,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 23:55:09,954 INFO L87 Difference]: Start difference. First operand has 22 states, 14 states have (on average 1.6428571428571428) internal successors, (23), 18 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) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 23:55:10,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:55:10,159 INFO L93 Difference]: Finished difference Result 39 states and 46 transitions. [2023-11-24 23:55:10,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 23:55:10,162 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2023-11-24 23:55:10,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:55:10,170 INFO L225 Difference]: With dead ends: 39 [2023-11-24 23:55:10,170 INFO L226 Difference]: Without dead ends: 21 [2023-11-24 23:55:10,177 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 23:55:10,183 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-24 23:55:10,184 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 19 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-24 23:55:10,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2023-11-24 23:55:10,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2023-11-24 23:55:10,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 14 states have (on average 1.5) internal successors, (21), 17 states have internal predecessors, (21), 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) [2023-11-24 23:55:10,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2023-11-24 23:55:10,252 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 7 [2023-11-24 23:55:10,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:55:10,253 INFO L495 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2023-11-24 23:55:10,253 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 23:55:10,254 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2023-11-24 23:55:10,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 23:55:10,255 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:55:10,255 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:55:10,256 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-24 23:55:10,256 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-24 23:55:10,257 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:55:10,257 INFO L85 PathProgramCache]: Analyzing trace with hash 2018414569, now seen corresponding path program 1 times [2023-11-24 23:55:10,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:55:10,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655051664] [2023-11-24 23:55:10,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:55:10,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:55:10,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:55:10,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:55:10,538 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:55:10,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655051664] [2023-11-24 23:55:10,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655051664] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:55:10,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:55:10,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 23:55:10,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374058809] [2023-11-24 23:55:10,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:55:10,541 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:55:10,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:55:10,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:55:10,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:55:10,544 INFO L87 Difference]: Start difference. First operand 21 states and 25 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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) [2023-11-24 23:55:10,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:55:10,740 INFO L93 Difference]: Finished difference Result 39 states and 46 transitions. [2023-11-24 23:55:10,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 23:55:10,741 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 12 [2023-11-24 23:55:10,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:55:10,742 INFO L225 Difference]: With dead ends: 39 [2023-11-24 23:55:10,742 INFO L226 Difference]: Without dead ends: 33 [2023-11-24 23:55:10,743 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:55:10,745 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 9 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-24 23:55:10,746 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 31 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-24 23:55:10,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2023-11-24 23:55:10,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 22. [2023-11-24 23:55:10,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 18 states have internal predecessors, (22), 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) [2023-11-24 23:55:10,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions. [2023-11-24 23:55:10,754 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 26 transitions. Word has length 12 [2023-11-24 23:55:10,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:55:10,755 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 26 transitions. [2023-11-24 23:55:10,755 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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) [2023-11-24 23:55:10,756 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2023-11-24 23:55:10,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 23:55:10,757 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:55:10,757 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:55:10,757 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-24 23:55:10,758 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-24 23:55:10,758 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:55:10,758 INFO L85 PathProgramCache]: Analyzing trace with hash 597816921, now seen corresponding path program 1 times [2023-11-24 23:55:10,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:55:10,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360765391] [2023-11-24 23:55:10,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:55:10,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:55:10,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:55:11,121 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:55:11,122 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:55:11,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360765391] [2023-11-24 23:55:11,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360765391] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:55:11,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:55:11,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 23:55:11,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196193734] [2023-11-24 23:55:11,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:55:11,124 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-24 23:55:11,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:55:11,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-24 23:55:11,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-24 23:55:11,126 INFO L87 Difference]: Start difference. First operand 22 states and 26 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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) [2023-11-24 23:55:11,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:55:11,581 INFO L93 Difference]: Finished difference Result 33 states and 38 transitions. [2023-11-24 23:55:11,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-24 23:55:11,583 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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 14 [2023-11-24 23:55:11,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:55:11,585 INFO L225 Difference]: With dead ends: 33 [2023-11-24 23:55:11,586 INFO L226 Difference]: Without dead ends: 31 [2023-11-24 23:55:11,587 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-24 23:55:11,595 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 7 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-24 23:55:11,600 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 42 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-24 23:55:11,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2023-11-24 23:55:11,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 26. [2023-11-24 23:55:11,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 21 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) [2023-11-24 23:55:11,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 31 transitions. [2023-11-24 23:55:11,612 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 31 transitions. Word has length 14 [2023-11-24 23:55:11,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:55:11,612 INFO L495 AbstractCegarLoop]: Abstraction has 26 states and 31 transitions. [2023-11-24 23:55:11,613 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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) [2023-11-24 23:55:11,613 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2023-11-24 23:55:11,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 23:55:11,615 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:55:11,615 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:55:11,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-24 23:55:11,615 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-24 23:55:11,619 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:55:11,620 INFO L85 PathProgramCache]: Analyzing trace with hash 1556709861, now seen corresponding path program 1 times [2023-11-24 23:55:11,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:55:11,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269938959] [2023-11-24 23:55:11,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:55:11,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:55:11,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:55:11,898 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:55:11,898 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:55:11,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269938959] [2023-11-24 23:55:11,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269938959] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-24 23:55:11,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [113418070] [2023-11-24 23:55:11,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:55:11,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:55:11,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a6e021d-2e19-47d2-82c3-61b0b60209f1/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:55:11,907 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a6e021d-2e19-47d2-82c3-61b0b60209f1/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 23:55:11,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a6e021d-2e19-47d2-82c3-61b0b60209f1/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-24 23:55:12,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:55:12,172 INFO L262 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:55:12,178 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:55:12,233 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:55:12,234 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 23:55:12,283 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:55:12,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [113418070] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-24 23:55:12,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1732791458] [2023-11-24 23:55:12,303 INFO L159 IcfgInterpreter]: Started Sifa with 17 locations of interest [2023-11-24 23:55:12,304 INFO L166 IcfgInterpreter]: Building call graph [2023-11-24 23:55:12,307 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-24 23:55:12,313 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-24 23:55:12,313 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-24 23:55:56,031 INFO L197 IcfgInterpreter]: Interpreting procedure append with input of size 475 for LOIs [2023-11-24 23:56:00,488 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-24 23:56:03,626 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (= |c_#memory_$Pointer$.base| |c_old(#memory_$Pointer$.base)|)) (.cse3 (<= |c_append_#in~input| 127)) (.cse1 (= |c_#valid| |c_old(#valid)|)) (.cse5 (<= 0 (+ 128 |c_append_#in~input|))) (.cse12 (not (= |c_append_#in~head.base| 0))) (.cse6 (<= 1 |c_#StackHeapBarrier|)) (.cse2 (= |c_old(#memory_int)| |c_#memory_int|)) (.cse73 (= |c_#memory_$Pointer$.offset| |c_old(#memory_$Pointer$.offset)|)) (.cse44 (<= (+ |c_append_#in~head.base| 1) |c_#StackHeapBarrier|)) (.cse74 (= |c_old(#length)| |c_#length|)) (.cse8 (= |c_append_#in~head.offset| 0))) (or (and .cse0 .cse1 .cse2 (exists ((|v_ULTIMATE.start_main_~c~0#1_BEFORE_CALL_7| Int) (|v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_7| Int) (|v_ULTIMATE.start_main_~list~0#1.offset_BEFORE_CALL_7| Int)) (let ((.cse4 (= |v_ULTIMATE.start_main_~list~0#1.offset_BEFORE_CALL_7| 0)) (.cse7 (= |v_ULTIMATE.start_main_~c~0#1_BEFORE_CALL_7| 0)) (.cse9 (and .cse3 .cse5 (<= |v_ULTIMATE.start_main_~c~0#1_BEFORE_CALL_7| 5)))) (and (or (and .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) .cse9) (or (and .cse3 .cse4 .cse5 .cse6 .cse7 (exists ((|v_ULTIMATE.start_main_~userInput~1#1_17| Int)) (and (<= |v_ULTIMATE.start_main_~userInput~1#1_17| 127) (<= 0 (+ 128 |v_ULTIMATE.start_main_~userInput~1#1_17|)) (let ((.cse10 (exists ((|v_#valid_58| (Array Int Int))) (and (= (select |v_#valid_58| 0) 0) (= (select |v_#valid_58| 2) 1) (= (select |v_#valid_58| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_7|) 0) (= (select |v_#valid_58| 1) 1) (= (select (store |v_#valid_58| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_7| 1) |c_append_#in~head.base|) 0)))) (.cse11 (<= (+ |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_7| 1) |c_#StackHeapBarrier|)) (.cse42 (not (= |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_7| 0))) (.cse26 (select (select |c_old(#memory_int)| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_7|) 4)) (.cse43 (exists ((|v_#length_34| (Array Int Int))) (and (= (select |v_#length_34| 2) 18) (= 2 (select |v_#length_34| 1)))))) (or (and .cse10 .cse11 .cse12 (exists ((|v_append_#t~mem5.offset_27| Int) (|v_#memory_int_78| (Array Int (Array Int Int))) (|v_#memory_int_79| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_49| (Array Int (Array Int Int))) (|v_append_#t~mem7.base_17| Int) (|v_#memory_$Pointer$.base_68| (Array Int (Array Int Int))) (|v_append_#t~mem8.base_BEFORE_RETURN_1| Int) (|v_append_#t~mem5.base_14| Int) (|v_append_#t~mem7.offset_BEFORE_RETURN_1| Int) (|v_#memory_$Pointer$.offset_68| (Array Int (Array Int Int))) (|v_append_#t~mem7.offset_17| Int) (|v_#memory_$Pointer$.offset_49| (Array Int (Array Int Int))) (|v_#valid_59| (Array Int Int)) (v_append_~node~0.base_BEFORE_RETURN_1 Int) (|v_append_#t~mem5.offset_14| Int) (|v_append_#t~mem7.base_BEFORE_RETURN_1| Int) (|v_append_#t~mem5.base_27| Int) (|v_append_#t~mem8.offset_BEFORE_RETURN_1| Int) (|v_#length_35| (Array Int Int)) (|v_append_#t~mem8.base_17| Int) (|v_#memory_int_157| (Array Int (Array Int Int))) (|v_append_#t~short6_21| Bool) (|v_#memory_int_80| (Array Int (Array Int Int))) (|v_#memory_int_81| (Array Int (Array Int Int))) (|v_append_#t~short6_20| Bool) (|v_append_#t~mem8.offset_17| Int) (|v_#memory_int_82| (Array Int (Array Int Int))) (|v_#memory_int_83| (Array Int (Array Int Int)))) (let ((.cse17 (select |v_#memory_$Pointer$.base_49| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_7|)) (.cse16 (select |v_#memory_$Pointer$.offset_49| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_7|))) (let ((.cse15 (not |v_append_#t~short6_20|)) (.cse31 (select .cse16 4)) (.cse29 (select .cse17 4)) (.cse18 (not |v_append_#t~short6_21|)) (.cse30 (select |v_#memory_$Pointer$.offset_49| v_append_~node~0.base_BEFORE_RETURN_1)) (.cse28 (select |v_#memory_$Pointer$.base_49| v_append_~node~0.base_BEFORE_RETURN_1))) (and (let ((.cse14 (= (select .cse17 0) 0)) (.cse13 (= (select .cse16 0) 0))) (or (and (or (not .cse13) (not .cse14)) .cse15) (and .cse14 |v_append_#t~short6_20| .cse13))) (= |c_old(#valid)| (store |v_#valid_59| v_append_~node~0.base_BEFORE_RETURN_1 1)) (let ((.cse27 (store (select |v_#memory_int_157| v_append_~node~0.base_BEFORE_RETURN_1) 0 |v_ULTIMATE.start_main_~userInput~1#1_17|))) (or (let ((.cse21 (store |v_#memory_$Pointer$.offset_49| v_append_~node~0.base_BEFORE_RETURN_1 (store (store .cse30 1 .cse31) 5 0))) (.cse25 (store |v_#memory_$Pointer$.base_49| v_append_~node~0.base_BEFORE_RETURN_1 (store (store .cse28 1 .cse29) 5 0)))) (let ((.cse22 (select (select .cse25 |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_7|) 4)) (.cse23 (+ (select (select .cse21 |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_7|) 4) 5)) (.cse19 (select |v_#memory_int_82| v_append_~node~0.base_BEFORE_RETURN_1))) (and .cse18 (= |v_#memory_int_81| (store |v_#memory_int_82| v_append_~node~0.base_BEFORE_RETURN_1 (store .cse19 5 (select (select |v_#memory_int_81| v_append_~node~0.base_BEFORE_RETURN_1) 5)))) (= (let ((.cse20 (store .cse21 .cse22 (store (select .cse21 .cse22) .cse23 0)))) (store .cse20 |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_7| (store (select .cse20 |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_7|) 4 0))) |c_old(#memory_$Pointer$.offset)|) (= |c_old(#memory_$Pointer$.base)| (let ((.cse24 (store .cse25 .cse22 (store (select .cse25 .cse22) .cse23 v_append_~node~0.base_BEFORE_RETURN_1)))) (store .cse24 |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_7| (store (select .cse24 |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_7|) 4 v_append_~node~0.base_BEFORE_RETURN_1)))) (= |v_#memory_int_80| (store |v_#memory_int_81| .cse22 (store (select |v_#memory_int_81| .cse22) .cse23 (select (select |v_#memory_int_80| .cse22) .cse23)))) (= |c_old(#memory_int)| (store |v_#memory_int_80| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_7| (store (select |v_#memory_int_80| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_7|) 4 .cse26))) (= (store |v_#memory_int_157| v_append_~node~0.base_BEFORE_RETURN_1 (store .cse27 1 (select .cse19 1))) |v_#memory_int_82|)))) (let ((.cse33 (select |v_#memory_int_79| v_append_~node~0.base_BEFORE_RETURN_1)) (.cse32 (select |v_#memory_int_78| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_7|))) (and |v_append_#t~short6_21| (= |v_#memory_int_83| (store |v_#memory_int_78| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_7| (store .cse32 4 (select (select |v_#memory_int_83| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_7|) 4)))) (= |v_#memory_int_79| (store |v_#memory_int_83| v_append_~node~0.base_BEFORE_RETURN_1 (store (select |v_#memory_int_83| v_append_~node~0.base_BEFORE_RETURN_1) 1 (select .cse33 1)))) (= (let ((.cse34 (store |v_#memory_$Pointer$.offset_49| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_7| (store (store .cse16 0 0) 4 0)))) (store .cse34 v_append_~node~0.base_BEFORE_RETURN_1 (store (store (select .cse34 v_append_~node~0.base_BEFORE_RETURN_1) 1 0) 5 0))) |c_old(#memory_$Pointer$.offset)|) (= (store |v_#memory_int_79| v_append_~node~0.base_BEFORE_RETURN_1 (store .cse33 5 (select (select |c_old(#memory_int)| v_append_~node~0.base_BEFORE_RETURN_1) 5))) |c_old(#memory_int)|) (= |v_append_#t~mem8.base_BEFORE_RETURN_1| |v_append_#t~mem8.base_17|) (= |v_append_#t~mem7.base_17| |v_append_#t~mem7.base_BEFORE_RETURN_1|) (= |v_append_#t~mem7.offset_BEFORE_RETURN_1| |v_append_#t~mem7.offset_17|) (= (let ((.cse35 (store |v_#memory_$Pointer$.base_49| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_7| (store (store .cse17 0 v_append_~node~0.base_BEFORE_RETURN_1) 4 v_append_~node~0.base_BEFORE_RETURN_1)))) (store .cse35 v_append_~node~0.base_BEFORE_RETURN_1 (store (store (select .cse35 v_append_~node~0.base_BEFORE_RETURN_1) 1 0) 5 0))) |c_old(#memory_$Pointer$.base)|) (= |v_#memory_int_78| (let ((.cse36 (store |v_#memory_int_157| v_append_~node~0.base_BEFORE_RETURN_1 .cse27))) (store .cse36 |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_7| (store (select .cse36 |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_7|) 0 (select .cse32 0))))) (= |v_append_#t~mem8.offset_17| |v_append_#t~mem8.offset_BEFORE_RETURN_1|))))) (= |c_old(#length)| (store |v_#length_35| v_append_~node~0.base_BEFORE_RETURN_1 9)) (or (and .cse18 .cse15 (= |v_append_#t~mem5.base_14| |v_append_#t~mem5.base_27|) (= |v_append_#t~mem5.offset_14| |v_append_#t~mem5.offset_27|)) (and |v_append_#t~short6_20| (= |v_append_#t~mem5.offset_14| .cse31) (= |v_append_#t~mem5.base_14| .cse29) (let ((.cse37 (= |v_append_#t~mem5.base_14| 0)) (.cse38 (= |v_append_#t~mem5.offset_14| 0))) (or (and .cse18 (or (not .cse37) (not .cse38))) (and |v_append_#t~short6_21| .cse37 .cse38))))) (= |v_#memory_$Pointer$.offset_49| (store |v_#memory_$Pointer$.offset_68| v_append_~node~0.base_BEFORE_RETURN_1 (store (select |v_#memory_$Pointer$.offset_68| v_append_~node~0.base_BEFORE_RETURN_1) 0 (select .cse30 0)))) (<= (+ v_append_~node~0.base_BEFORE_RETURN_1 1) |c_#StackHeapBarrier|) (not (= v_append_~node~0.base_BEFORE_RETURN_1 0)) (= (select |v_#valid_59| v_append_~node~0.base_BEFORE_RETURN_1) 0) (= (store |v_#memory_$Pointer$.base_68| v_append_~node~0.base_BEFORE_RETURN_1 (store (select |v_#memory_$Pointer$.base_68| v_append_~node~0.base_BEFORE_RETURN_1) 0 (select .cse28 0))) |v_#memory_$Pointer$.base_49|))))) (exists ((|v_old(#memory_int)_AFTER_CALL_3| (Array Int (Array Int Int))) (|v_#memory_int_34| (Array Int (Array Int Int))) (|v_#memory_int_35| (Array Int (Array Int Int))) (|v_#memory_int_36| (Array Int (Array Int Int))) (|v_#memory_int_156| (Array Int (Array Int Int)))) (let ((.cse39 (select |v_#memory_int_36| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_7|)) (.cse40 (select |v_#memory_int_156| 1)) (.cse41 (select |v_#memory_int_34| |c_append_#in~head.base|))) (and (= (store |v_#memory_int_156| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_7| (store (select |v_#memory_int_156| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_7|) 0 (select .cse39 0))) |v_#memory_int_36|) (= (select .cse40 1) 0) (= |v_#memory_int_35| (store |v_#memory_int_36| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_7| (store .cse39 4 (select (select |v_#memory_int_35| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_7|) 4)))) (= (select .cse40 0) 48) (= |v_#memory_int_34| (store |v_#memory_int_35| |c_append_#in~head.base| (store (select |v_#memory_int_35| |c_append_#in~head.base|) 0 (select .cse41 0)))) (= |v_old(#memory_int)_AFTER_CALL_3| (store |v_#memory_int_34| |c_append_#in~head.base| (store .cse41 4 (select (select |v_old(#memory_int)_AFTER_CALL_3| |c_append_#in~head.base|) 4))))))) .cse42 .cse43 .cse44) (and .cse10 .cse11 .cse12 .cse42 (exists ((|v_#memory_int_34| (Array Int (Array Int Int))) (|v_#memory_int_35| (Array Int (Array Int Int))) (|v_#memory_int_36| (Array Int (Array Int Int))) (|v_old(#memory_int)_AFTER_CALL_4| (Array Int (Array Int Int))) (|v_#memory_int_156| (Array Int (Array Int Int)))) (let ((.cse45 (select |v_#memory_int_36| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_7|)) (.cse46 (select |v_#memory_int_156| 1)) (.cse47 (select |v_#memory_int_34| |c_append_#in~head.base|))) (and (= (store |v_#memory_int_156| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_7| (store (select |v_#memory_int_156| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_7|) 0 (select .cse45 0))) |v_#memory_int_36|) (= (select .cse46 1) 0) (= |v_#memory_int_35| (store |v_#memory_int_36| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_7| (store .cse45 4 (select (select |v_#memory_int_35| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_7|) 4)))) (= (select .cse46 0) 48) (= (store |v_#memory_int_34| |c_append_#in~head.base| (store .cse47 4 (select (select |v_old(#memory_int)_AFTER_CALL_4| |c_append_#in~head.base|) 4))) |v_old(#memory_int)_AFTER_CALL_4|) (= |v_#memory_int_34| (store |v_#memory_int_35| |c_append_#in~head.base| (store (select |v_#memory_int_35| |c_append_#in~head.base|) 0 (select .cse47 0))))))) (exists ((|v_append_#t~mem5.offset_27| Int) (|v_#memory_int_78| (Array Int (Array Int Int))) (|v_#memory_int_79| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_49| (Array Int (Array Int Int))) (|v_append_#t~mem7.base_17| Int) (|v_append_#t~mem8.base_BEFORE_RETURN_2| Int) (|v_#memory_$Pointer$.base_68| (Array Int (Array Int Int))) (|v_append_#t~mem5.base_14| Int) (|v_append_#t~mem7.offset_BEFORE_RETURN_2| Int) (|v_#memory_$Pointer$.offset_68| (Array Int (Array Int Int))) (|v_append_#t~mem7.offset_17| Int) (|v_#memory_$Pointer$.offset_49| (Array Int (Array Int Int))) (|v_#valid_59| (Array Int Int)) (v_append_~node~0.base_BEFORE_RETURN_2 Int) (|v_append_#t~mem5.offset_14| Int) (|v_append_#t~mem5.base_27| Int) (|v_append_#t~mem8.offset_BEFORE_RETURN_2| Int) (|v_#length_35| (Array Int Int)) (|v_append_#t~mem8.base_17| Int) (|v_append_#t~mem7.base_BEFORE_RETURN_2| Int) (|v_#memory_int_157| (Array Int (Array Int Int))) (|v_append_#t~short6_21| Bool) (|v_#memory_int_80| (Array Int (Array Int Int))) (|v_#memory_int_81| (Array Int (Array Int Int))) (|v_append_#t~short6_20| Bool) (|v_append_#t~mem8.offset_17| Int) (|v_#memory_int_82| (Array Int (Array Int Int))) (|v_#memory_int_83| (Array Int (Array Int Int)))) (let ((.cse52 (select |v_#memory_$Pointer$.offset_49| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_7|)) (.cse53 (select |v_#memory_$Pointer$.base_49| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_7|))) (let ((.cse51 (not |v_append_#t~short6_20|)) (.cse54 (not |v_append_#t~short6_21|)) (.cse59 (select |v_#memory_$Pointer$.base_49| v_append_~node~0.base_BEFORE_RETURN_2)) (.cse56 (select .cse53 4)) (.cse48 (select |v_#memory_$Pointer$.offset_49| v_append_~node~0.base_BEFORE_RETURN_2)) (.cse55 (select .cse52 4))) (and (= (store |v_#memory_$Pointer$.offset_68| v_append_~node~0.base_BEFORE_RETURN_2 (store (select |v_#memory_$Pointer$.offset_68| v_append_~node~0.base_BEFORE_RETURN_2) 0 (select .cse48 0))) |v_#memory_$Pointer$.offset_49|) (let ((.cse50 (= (select .cse53 0) 0)) (.cse49 (= (select .cse52 0) 0))) (or (and (or (not .cse49) (not .cse50)) .cse51) (and .cse50 |v_append_#t~short6_20| .cse49))) (or (and .cse54 .cse51 (= |v_append_#t~mem5.base_14| |v_append_#t~mem5.base_27|) (= |v_append_#t~mem5.offset_14| |v_append_#t~mem5.offset_27|)) (and |v_append_#t~short6_20| (= |v_append_#t~mem5.offset_14| .cse55) (= |v_append_#t~mem5.base_14| .cse56) (let ((.cse57 (= |v_append_#t~mem5.base_14| 0)) (.cse58 (= |v_append_#t~mem5.offset_14| 0))) (or (and .cse54 (or (not .cse57) (not .cse58))) (and |v_append_#t~short6_21| .cse57 .cse58))))) (= (store |v_#valid_59| v_append_~node~0.base_BEFORE_RETURN_2 1) |c_old(#valid)|) (= (store |v_#memory_$Pointer$.base_68| v_append_~node~0.base_BEFORE_RETURN_2 (store (select |v_#memory_$Pointer$.base_68| v_append_~node~0.base_BEFORE_RETURN_2) 0 (select .cse59 0))) |v_#memory_$Pointer$.base_49|) (= 0 (select |v_#valid_59| v_append_~node~0.base_BEFORE_RETURN_2)) (<= (+ v_append_~node~0.base_BEFORE_RETURN_2 1) |c_#StackHeapBarrier|) (not (= v_append_~node~0.base_BEFORE_RETURN_2 0)) (let ((.cse63 (store (select |v_#memory_int_157| v_append_~node~0.base_BEFORE_RETURN_2) 0 |v_ULTIMATE.start_main_~userInput~1#1_17|))) (or (let ((.cse61 (select |v_#memory_int_78| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_7|)) (.cse65 (select |v_#memory_int_79| v_append_~node~0.base_BEFORE_RETURN_2))) (and (= |v_append_#t~mem8.offset_17| |v_append_#t~mem8.offset_BEFORE_RETURN_2|) |v_append_#t~short6_21| (= |v_append_#t~mem8.base_BEFORE_RETURN_2| |v_append_#t~mem8.base_17|) (= (let ((.cse60 (store |v_#memory_$Pointer$.base_49| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_7| (store (store .cse53 0 v_append_~node~0.base_BEFORE_RETURN_2) 4 v_append_~node~0.base_BEFORE_RETURN_2)))) (store .cse60 v_append_~node~0.base_BEFORE_RETURN_2 (store (store (select .cse60 v_append_~node~0.base_BEFORE_RETURN_2) 1 0) 5 0))) |c_old(#memory_$Pointer$.base)|) (= |v_#memory_int_83| (store |v_#memory_int_78| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_7| (store .cse61 4 (select (select |v_#memory_int_83| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_7|) 4)))) (= |v_#memory_int_78| (let ((.cse62 (store |v_#memory_int_157| v_append_~node~0.base_BEFORE_RETURN_2 .cse63))) (store .cse62 |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_7| (store (select .cse62 |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_7|) 0 (select .cse61 0))))) (= |v_append_#t~mem7.base_17| |v_append_#t~mem7.base_BEFORE_RETURN_2|) (= (let ((.cse64 (store |v_#memory_$Pointer$.offset_49| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_7| (store (store .cse52 0 0) 4 0)))) (store .cse64 v_append_~node~0.base_BEFORE_RETURN_2 (store (store (select .cse64 v_append_~node~0.base_BEFORE_RETURN_2) 1 0) 5 0))) |c_old(#memory_$Pointer$.offset)|) (= |c_old(#memory_int)| (store |v_#memory_int_79| v_append_~node~0.base_BEFORE_RETURN_2 (store .cse65 5 (select (select |c_old(#memory_int)| v_append_~node~0.base_BEFORE_RETURN_2) 5)))) (= |v_#memory_int_79| (store |v_#memory_int_83| v_append_~node~0.base_BEFORE_RETURN_2 (store (select |v_#memory_int_83| v_append_~node~0.base_BEFORE_RETURN_2) 1 (select .cse65 1)))) (= |v_append_#t~mem7.offset_BEFORE_RETURN_2| |v_append_#t~mem7.offset_17|))) (let ((.cse67 (store |v_#memory_$Pointer$.offset_49| v_append_~node~0.base_BEFORE_RETURN_2 (store (store .cse48 1 .cse55) 5 0))) (.cse71 (store |v_#memory_$Pointer$.base_49| v_append_~node~0.base_BEFORE_RETURN_2 (store (store .cse59 1 .cse56) 5 0)))) (let ((.cse68 (select (select .cse71 |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_7|) 4)) (.cse69 (+ (select (select .cse67 |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_7|) 4) 5)) (.cse72 (select |v_#memory_int_82| v_append_~node~0.base_BEFORE_RETURN_2))) (and .cse54 (= (let ((.cse66 (store .cse67 .cse68 (store (select .cse67 .cse68) .cse69 0)))) (store .cse66 |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_7| (store (select .cse66 |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_7|) 4 0))) |c_old(#memory_$Pointer$.offset)|) (= (let ((.cse70 (store .cse71 .cse68 (store (select .cse71 .cse68) .cse69 v_append_~node~0.base_BEFORE_RETURN_2)))) (store .cse70 |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_7| (store (select .cse70 |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_7|) 4 v_append_~node~0.base_BEFORE_RETURN_2))) |c_old(#memory_$Pointer$.base)|) (= |c_old(#memory_int)| (store |v_#memory_int_80| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_7| (store (select |v_#memory_int_80| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_7|) 4 .cse26))) (= (store |v_#memory_int_81| .cse68 (store (select |v_#memory_int_81| .cse68) .cse69 (select (select |v_#memory_int_80| .cse68) .cse69))) |v_#memory_int_80|) (= (store |v_#memory_int_157| v_append_~node~0.base_BEFORE_RETURN_2 (store .cse63 1 (select .cse72 1))) |v_#memory_int_82|) (= |v_#memory_int_81| (store |v_#memory_int_82| v_append_~node~0.base_BEFORE_RETURN_2 (store .cse72 5 (select (select |v_#memory_int_81| v_append_~node~0.base_BEFORE_RETURN_2) 5))))))))) (= (store |v_#length_35| v_append_~node~0.base_BEFORE_RETURN_2 9) |c_old(#length)|))))) .cse43 .cse44))))) .cse8) .cse9)))) .cse73 .cse74) (and (exists ((|v_ULTIMATE.start_main_~list2~0#1.base_BEFORE_CALL_10| Int) (|v_#length_34| (Array Int Int)) (|v_#memory_int_34| (Array Int (Array Int Int))) (|v_#memory_int_35| (Array Int (Array Int Int))) (|v_#memory_int_36| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_67| (Array Int (Array Int Int))) (|v_#memory_int_156| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_67| (Array Int (Array Int Int))) (|v_#valid_58| (Array Int Int))) (let ((.cse75 (select |v_#memory_int_34| |v_ULTIMATE.start_main_~list2~0#1.base_BEFORE_CALL_10|)) (.cse77 (select |v_#memory_int_36| |c_append_#in~head.base|)) (.cse76 (select |v_#memory_int_156| 1)) (.cse78 (store |v_#valid_58| |c_append_#in~head.base| 1))) (and (= (select |v_#valid_58| 0) 0) (= |c_old(#memory_int)| (store |v_#memory_int_34| |v_ULTIMATE.start_main_~list2~0#1.base_BEFORE_CALL_10| (store .cse75 4 (select (select |c_old(#memory_int)| |v_ULTIMATE.start_main_~list2~0#1.base_BEFORE_CALL_10|) 4)))) (= (select .cse76 1) 0) (= |v_#memory_int_36| (store |v_#memory_int_156| |c_append_#in~head.base| (store (select |v_#memory_int_156| |c_append_#in~head.base|) 0 (select .cse77 0)))) (= (select .cse78 |v_ULTIMATE.start_main_~list2~0#1.base_BEFORE_CALL_10|) 0) (= |v_#memory_int_34| (store |v_#memory_int_35| |v_ULTIMATE.start_main_~list2~0#1.base_BEFORE_CALL_10| (store (select |v_#memory_int_35| |v_ULTIMATE.start_main_~list2~0#1.base_BEFORE_CALL_10|) 0 (select .cse75 0)))) (<= (+ |v_ULTIMATE.start_main_~list2~0#1.base_BEFORE_CALL_10| 1) |c_#StackHeapBarrier|) (not (= |v_ULTIMATE.start_main_~list2~0#1.base_BEFORE_CALL_10| 0)) (= (select |v_#valid_58| 2) 1) (= |v_#memory_int_35| (store |v_#memory_int_36| |c_append_#in~head.base| (store .cse77 4 (select (select |v_#memory_int_35| |c_append_#in~head.base|) 4)))) (= (select .cse76 0) 48) (= |c_old(#valid)| (store .cse78 |v_ULTIMATE.start_main_~list2~0#1.base_BEFORE_CALL_10| 1)) (= |c_old(#length)| (store (store |v_#length_34| |c_append_#in~head.base| 8) |v_ULTIMATE.start_main_~list2~0#1.base_BEFORE_CALL_10| 8)) (= (select |v_#valid_58| 1) 1) (= (let ((.cse79 (store |v_#memory_$Pointer$.base_67| |c_append_#in~head.base| (store (store (select |v_#memory_$Pointer$.base_67| |c_append_#in~head.base|) 0 0) 4 0)))) (store .cse79 |v_ULTIMATE.start_main_~list2~0#1.base_BEFORE_CALL_10| (store (store (select .cse79 |v_ULTIMATE.start_main_~list2~0#1.base_BEFORE_CALL_10|) 0 0) 4 0))) |c_old(#memory_$Pointer$.base)|) (= (select |v_#valid_58| |c_append_#in~head.base|) 0) (= (select |v_#length_34| 2) 18) (= 2 (select |v_#length_34| 1)) (= (let ((.cse80 (store |v_#memory_$Pointer$.offset_67| |c_append_#in~head.base| (store (store (select |v_#memory_$Pointer$.offset_67| |c_append_#in~head.base|) 0 0) 4 0)))) (store .cse80 |v_ULTIMATE.start_main_~list2~0#1.base_BEFORE_CALL_10| (store (store (select .cse80 |v_ULTIMATE.start_main_~list2~0#1.base_BEFORE_CALL_10|) 0 0) 4 0))) |c_old(#memory_$Pointer$.offset)|)))) .cse0 .cse3 .cse1 .cse5 .cse12 .cse6 .cse2 .cse73 .cse44 .cse74 .cse8))) is different from false [2023-11-24 23:56:05,681 WARN L854 $PredicateComparison]: unable to prove that (and (= |c_append_#in~input| c_append_~input) (= |c_append_#in~head.base| c_append_~head.base) (exists ((|v_append_#t~mem5.offset_28| Int) (|v_#memory_int_158| (Array Int (Array Int Int))) (|v_#memory_int_78| (Array Int (Array Int Int))) (|v_append_#t~mem5.offset_14| Int) (|v_#memory_int_79| (Array Int (Array Int Int))) (|v_#valid_61| (Array Int Int)) (|v_#memory_$Pointer$.base_49| (Array Int (Array Int Int))) (|v_append_#t~mem7.base_18| Int) (|v_append_#t~mem5.base_28| Int) (|v_#memory_$Pointer$.base_69| (Array Int (Array Int Int))) (|v_append_#t~mem5.base_14| Int) (|v_append_#t~mem7.offset_18| Int) (|v_#length_36| (Array Int Int)) (|v_append_#t~mem8.base_18| Int) (|v_#memory_$Pointer$.offset_69| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_49| (Array Int (Array Int Int))) (|v_append_#t~short6_21| Bool) (|v_#memory_int_80| (Array Int (Array Int Int))) (|v_append_#t~short6_20| Bool) (|v_#memory_int_81| (Array Int (Array Int Int))) (|v_#memory_int_82| (Array Int (Array Int Int))) (|v_#memory_int_83| (Array Int (Array Int Int))) (|v_append_#t~mem8.offset_18| Int)) (let ((.cse9 (select |v_#memory_$Pointer$.offset_49| c_append_~head.base)) (.cse8 (select |v_#memory_$Pointer$.base_49| c_append_~head.base)) (.cse13 (+ c_append_~head.offset 4))) (let ((.cse5 (not |v_append_#t~short6_20|)) (.cse2 (not |v_append_#t~short6_21|)) (.cse0 (select .cse8 .cse13)) (.cse1 (select .cse9 .cse13)) (.cse19 (select |v_#memory_$Pointer$.base_49| c_append_~node~0.base)) (.cse20 (select |v_#memory_$Pointer$.offset_49| c_append_~node~0.base))) (and (or (and |v_append_#t~short6_20| (= |v_append_#t~mem5.base_14| .cse0) (= |v_append_#t~mem5.offset_14| .cse1) (let ((.cse3 (= |v_append_#t~mem5.base_14| 0)) (.cse4 (= |v_append_#t~mem5.offset_14| 0))) (or (and .cse2 (or (not .cse3) (not .cse4))) (and |v_append_#t~short6_21| .cse3 .cse4)))) (and .cse2 .cse5 (= |v_append_#t~mem5.offset_14| |v_append_#t~mem5.offset_28|) (= |v_append_#t~mem5.base_14| |v_append_#t~mem5.base_28|))) (let ((.cse6 (= (select .cse9 c_append_~head.offset) 0)) (.cse7 (= (select .cse8 c_append_~head.offset) 0))) (or (and .cse5 (or (not .cse6) (not .cse7))) (and |v_append_#t~short6_20| .cse6 .cse7))) (= |c_#valid| (store |v_#valid_61| c_append_~node~0.base 1)) (= (select |v_#valid_61| c_append_~node~0.base) 0) (let ((.cse10 (store (select |v_#memory_int_158| c_append_~node~0.base) 0 c_append_~input))) (or (let ((.cse14 (store |v_#memory_$Pointer$.offset_49| c_append_~node~0.base (store (store .cse20 1 .cse1) 5 0))) (.cse18 (store |v_#memory_$Pointer$.base_49| c_append_~node~0.base (store (store .cse19 1 .cse0) 5 0)))) (let ((.cse11 (select |v_#memory_int_82| c_append_~node~0.base)) (.cse15 (select (select .cse18 c_append_~head.base) .cse13)) (.cse16 (+ 5 (select (select .cse14 c_append_~head.base) .cse13)))) (and .cse2 (= (store |v_#memory_int_158| c_append_~node~0.base (store .cse10 1 (select .cse11 1))) |v_#memory_int_82|) (= |c_#memory_$Pointer$.offset| (let ((.cse12 (store .cse14 .cse15 (store (select .cse14 .cse15) .cse16 0)))) (store .cse12 c_append_~head.base (store (select .cse12 c_append_~head.base) .cse13 0)))) (= |v_#memory_int_81| (store |v_#memory_int_82| c_append_~node~0.base (store .cse11 5 (select (select |v_#memory_int_81| c_append_~node~0.base) 5)))) (= |v_#memory_int_80| (store |v_#memory_int_81| .cse15 (store (select |v_#memory_int_81| .cse15) .cse16 (select (select |v_#memory_int_80| .cse15) .cse16)))) (= (store |v_#memory_int_80| c_append_~head.base (store (select |v_#memory_int_80| c_append_~head.base) .cse13 (select (select |c_#memory_int| c_append_~head.base) .cse13))) |c_#memory_int|) (= (let ((.cse17 (store .cse18 .cse15 (store (select .cse18 .cse15) .cse16 c_append_~node~0.base)))) (store .cse17 c_append_~head.base (store (select .cse17 c_append_~head.base) .cse13 c_append_~node~0.base))) |c_#memory_$Pointer$.base|)))) (let ((.cse21 (select |v_#memory_int_78| c_append_~head.base)) (.cse24 (select |v_#memory_int_79| c_append_~node~0.base))) (and (= |v_#memory_int_83| (store |v_#memory_int_78| c_append_~head.base (store .cse21 .cse13 (select (select |v_#memory_int_83| c_append_~head.base) .cse13)))) (= |v_#memory_int_78| (let ((.cse22 (store |v_#memory_int_158| c_append_~node~0.base .cse10))) (store .cse22 c_append_~head.base (store (select .cse22 c_append_~head.base) c_append_~head.offset (select .cse21 c_append_~head.offset))))) |v_append_#t~short6_21| (= |c_append_#t~mem7.offset| |v_append_#t~mem7.offset_18|) (= |c_append_#t~mem7.base| |v_append_#t~mem7.base_18|) (= |c_#memory_$Pointer$.offset| (let ((.cse23 (store |v_#memory_$Pointer$.offset_49| c_append_~head.base (store (store .cse9 c_append_~head.offset 0) .cse13 0)))) (store .cse23 c_append_~node~0.base (store (store (select .cse23 c_append_~node~0.base) 1 0) 5 0)))) (= |c_#memory_int| (store |v_#memory_int_79| c_append_~node~0.base (store .cse24 5 (select (select |c_#memory_int| c_append_~node~0.base) 5)))) (= |c_append_#t~mem8.offset| |v_append_#t~mem8.offset_18|) (= |c_#memory_$Pointer$.base| (let ((.cse25 (store |v_#memory_$Pointer$.base_49| c_append_~head.base (store (store .cse8 c_append_~head.offset c_append_~node~0.base) .cse13 c_append_~node~0.base)))) (store .cse25 c_append_~node~0.base (store (store (select .cse25 c_append_~node~0.base) 1 0) 5 0)))) (= |c_append_#t~mem8.base| |v_append_#t~mem8.base_18|) (= |v_#memory_int_79| (store |v_#memory_int_83| c_append_~node~0.base (store (select |v_#memory_int_83| c_append_~node~0.base) 1 (select .cse24 1)))))))) (let ((.cse33 (= |c_old(#length)| |v_#length_36|)) (.cse34 (= |c_old(#valid)| |v_#valid_61|)) (.cse38 (= |v_#memory_$Pointer$.base_69| |c_old(#memory_$Pointer$.base)|)) (.cse37 (<= 1 |c_#StackHeapBarrier|)) (.cse36 (not (= |c_append_#in~head.base| 0))) (.cse39 (<= (+ |c_append_#in~head.base| 1) |c_#StackHeapBarrier|)) (.cse41 (= |c_append_#in~head.offset| 0)) (.cse32 (<= |c_append_#in~input| 127)) (.cse35 (<= 0 (+ 128 |c_append_#in~input|))) (.cse40 (= |c_old(#memory_$Pointer$.offset)| |v_#memory_$Pointer$.offset_69|)) (.cse42 (= |c_old(#memory_int)| |v_#memory_int_158|))) (or (and (exists ((|v_ULTIMATE.start_main_~list2~0#1.base_BEFORE_CALL_10| Int) (|v_#length_34| (Array Int Int)) (|v_#memory_int_34| (Array Int (Array Int Int))) (|v_#memory_int_35| (Array Int (Array Int Int))) (|v_#memory_int_36| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_67| (Array Int (Array Int Int))) (|v_#memory_int_156| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_67| (Array Int (Array Int Int))) (|v_#valid_58| (Array Int Int))) (let ((.cse26 (select |v_#memory_int_34| |v_ULTIMATE.start_main_~list2~0#1.base_BEFORE_CALL_10|)) (.cse28 (select |v_#memory_int_36| |c_append_#in~head.base|)) (.cse27 (select |v_#memory_int_156| 1)) (.cse29 (store |v_#valid_58| |c_append_#in~head.base| 1))) (and (= (select |v_#valid_58| 0) 0) (= |c_old(#memory_int)| (store |v_#memory_int_34| |v_ULTIMATE.start_main_~list2~0#1.base_BEFORE_CALL_10| (store .cse26 4 (select (select |c_old(#memory_int)| |v_ULTIMATE.start_main_~list2~0#1.base_BEFORE_CALL_10|) 4)))) (= (select .cse27 1) 0) (= |v_#memory_int_36| (store |v_#memory_int_156| |c_append_#in~head.base| (store (select |v_#memory_int_156| |c_append_#in~head.base|) 0 (select .cse28 0)))) (= (select .cse29 |v_ULTIMATE.start_main_~list2~0#1.base_BEFORE_CALL_10|) 0) (= |v_#memory_int_34| (store |v_#memory_int_35| |v_ULTIMATE.start_main_~list2~0#1.base_BEFORE_CALL_10| (store (select |v_#memory_int_35| |v_ULTIMATE.start_main_~list2~0#1.base_BEFORE_CALL_10|) 0 (select .cse26 0)))) (<= (+ |v_ULTIMATE.start_main_~list2~0#1.base_BEFORE_CALL_10| 1) |c_#StackHeapBarrier|) (not (= |v_ULTIMATE.start_main_~list2~0#1.base_BEFORE_CALL_10| 0)) (= (select |v_#valid_58| 2) 1) (= |v_#memory_int_35| (store |v_#memory_int_36| |c_append_#in~head.base| (store .cse28 4 (select (select |v_#memory_int_35| |c_append_#in~head.base|) 4)))) (= (select .cse27 0) 48) (= |c_old(#valid)| (store .cse29 |v_ULTIMATE.start_main_~list2~0#1.base_BEFORE_CALL_10| 1)) (= |c_old(#length)| (store (store |v_#length_34| |c_append_#in~head.base| 8) |v_ULTIMATE.start_main_~list2~0#1.base_BEFORE_CALL_10| 8)) (= (select |v_#valid_58| 1) 1) (= (let ((.cse30 (store |v_#memory_$Pointer$.base_67| |c_append_#in~head.base| (store (store (select |v_#memory_$Pointer$.base_67| |c_append_#in~head.base|) 0 0) 4 0)))) (store .cse30 |v_ULTIMATE.start_main_~list2~0#1.base_BEFORE_CALL_10| (store (store (select .cse30 |v_ULTIMATE.start_main_~list2~0#1.base_BEFORE_CALL_10|) 0 0) 4 0))) |c_old(#memory_$Pointer$.base)|) (= (select |v_#valid_58| |c_append_#in~head.base|) 0) (= (select |v_#length_34| 2) 18) (= 2 (select |v_#length_34| 1)) (= (let ((.cse31 (store |v_#memory_$Pointer$.offset_67| |c_append_#in~head.base| (store (store (select |v_#memory_$Pointer$.offset_67| |c_append_#in~head.base|) 0 0) 4 0)))) (store .cse31 |v_ULTIMATE.start_main_~list2~0#1.base_BEFORE_CALL_10| (store (store (select .cse31 |v_ULTIMATE.start_main_~list2~0#1.base_BEFORE_CALL_10|) 0 0) 4 0))) |c_old(#memory_$Pointer$.offset)|)))) .cse32 .cse33 .cse34 .cse35 .cse36 .cse37 .cse38 .cse39 .cse40 .cse41 .cse42) (and .cse33 .cse34 .cse38 (exists ((|v_ULTIMATE.start_main_~c~0#1_BEFORE_CALL_7| Int) (|v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_7| Int) (|v_ULTIMATE.start_main_~list~0#1.offset_BEFORE_CALL_7| Int)) (let ((.cse43 (= |v_ULTIMATE.start_main_~list~0#1.offset_BEFORE_CALL_7| 0)) (.cse44 (= |v_ULTIMATE.start_main_~c~0#1_BEFORE_CALL_7| 0)) (.cse45 (and .cse32 .cse35 (<= |v_ULTIMATE.start_main_~c~0#1_BEFORE_CALL_7| 5)))) (and (or (and .cse32 .cse43 .cse35 .cse37 .cse44 .cse41) .cse45) (or (and .cse32 .cse43 .cse35 .cse37 .cse44 (exists ((|v_ULTIMATE.start_main_~userInput~1#1_17| Int)) (and (<= |v_ULTIMATE.start_main_~userInput~1#1_17| 127) (<= 0 (+ 128 |v_ULTIMATE.start_main_~userInput~1#1_17|)) (let ((.cse46 (exists ((|v_#valid_58| (Array Int Int))) (and (= (select |v_#valid_58| 0) 0) (= (select |v_#valid_58| 2) 1) (= (select |v_#valid_58| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_7|) 0) (= (select |v_#valid_58| 1) 1) (= (select (store |v_#valid_58| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_7| 1) |c_append_#in~head.base|) 0)))) (.cse47 (<= (+ |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_7| 1) |c_#StackHeapBarrier|)) (.cse77 (not (= |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_7| 0))) (.cse61 (select (select |c_old(#memory_int)| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_7|) 4)) (.cse78 (exists ((|v_#length_34| (Array Int Int))) (and (= (select |v_#length_34| 2) 18) (= 2 (select |v_#length_34| 1)))))) (or (and .cse46 .cse47 .cse36 (exists ((|v_append_#t~mem5.offset_27| Int) (|v_#memory_int_78| (Array Int (Array Int Int))) (|v_#memory_int_79| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_49| (Array Int (Array Int Int))) (|v_append_#t~mem7.base_17| Int) (|v_#memory_$Pointer$.base_68| (Array Int (Array Int Int))) (|v_append_#t~mem8.base_BEFORE_RETURN_1| Int) (|v_append_#t~mem5.base_14| Int) (|v_append_#t~mem7.offset_BEFORE_RETURN_1| Int) (|v_#memory_$Pointer$.offset_68| (Array Int (Array Int Int))) (|v_append_#t~mem7.offset_17| Int) (|v_#memory_$Pointer$.offset_49| (Array Int (Array Int Int))) (|v_#valid_59| (Array Int Int)) (v_append_~node~0.base_BEFORE_RETURN_1 Int) (|v_append_#t~mem5.offset_14| Int) (|v_append_#t~mem7.base_BEFORE_RETURN_1| Int) (|v_append_#t~mem5.base_27| Int) (|v_append_#t~mem8.offset_BEFORE_RETURN_1| Int) (|v_#length_35| (Array Int Int)) (|v_append_#t~mem8.base_17| Int) (|v_#memory_int_157| (Array Int (Array Int Int))) (|v_append_#t~short6_21| Bool) (|v_#memory_int_80| (Array Int (Array Int Int))) (|v_#memory_int_81| (Array Int (Array Int Int))) (|v_append_#t~short6_20| Bool) (|v_append_#t~mem8.offset_17| Int) (|v_#memory_int_82| (Array Int (Array Int Int))) (|v_#memory_int_83| (Array Int (Array Int Int)))) (let ((.cse52 (select |v_#memory_$Pointer$.base_49| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_7|)) (.cse51 (select |v_#memory_$Pointer$.offset_49| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_7|))) (let ((.cse50 (not |v_append_#t~short6_20|)) (.cse66 (select .cse51 4)) (.cse64 (select .cse52 4)) (.cse53 (not |v_append_#t~short6_21|)) (.cse65 (select |v_#memory_$Pointer$.offset_49| v_append_~node~0.base_BEFORE_RETURN_1)) (.cse63 (select |v_#memory_$Pointer$.base_49| v_append_~node~0.base_BEFORE_RETURN_1))) (and (let ((.cse49 (= (select .cse52 0) 0)) (.cse48 (= (select .cse51 0) 0))) (or (and (or (not .cse48) (not .cse49)) .cse50) (and .cse49 |v_append_#t~short6_20| .cse48))) (= |c_old(#valid)| (store |v_#valid_59| v_append_~node~0.base_BEFORE_RETURN_1 1)) (let ((.cse62 (store (select |v_#memory_int_157| v_append_~node~0.base_BEFORE_RETURN_1) 0 |v_ULTIMATE.start_main_~userInput~1#1_17|))) (or (let ((.cse56 (store |v_#memory_$Pointer$.offset_49| v_append_~node~0.base_BEFORE_RETURN_1 (store (store .cse65 1 .cse66) 5 0))) (.cse60 (store |v_#memory_$Pointer$.base_49| v_append_~node~0.base_BEFORE_RETURN_1 (store (store .cse63 1 .cse64) 5 0)))) (let ((.cse57 (select (select .cse60 |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_7|) 4)) (.cse58 (+ (select (select .cse56 |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_7|) 4) 5)) (.cse54 (select |v_#memory_int_82| v_append_~node~0.base_BEFORE_RETURN_1))) (and .cse53 (= |v_#memory_int_81| (store |v_#memory_int_82| v_append_~node~0.base_BEFORE_RETURN_1 (store .cse54 5 (select (select |v_#memory_int_81| v_append_~node~0.base_BEFORE_RETURN_1) 5)))) (= (let ((.cse55 (store .cse56 .cse57 (store (select .cse56 .cse57) .cse58 0)))) (store .cse55 |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_7| (store (select .cse55 |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_7|) 4 0))) |c_old(#memory_$Pointer$.offset)|) (= |c_old(#memory_$Pointer$.base)| (let ((.cse59 (store .cse60 .cse57 (store (select .cse60 .cse57) .cse58 v_append_~node~0.base_BEFORE_RETURN_1)))) (store .cse59 |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_7| (store (select .cse59 |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_7|) 4 v_append_~node~0.base_BEFORE_RETURN_1)))) (= |v_#memory_int_80| (store |v_#memory_int_81| .cse57 (store (select |v_#memory_int_81| .cse57) .cse58 (select (select |v_#memory_int_80| .cse57) .cse58)))) (= |c_old(#memory_int)| (store |v_#memory_int_80| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_7| (store (select |v_#memory_int_80| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_7|) 4 .cse61))) (= (store |v_#memory_int_157| v_append_~node~0.base_BEFORE_RETURN_1 (store .cse62 1 (select .cse54 1))) |v_#memory_int_82|)))) (let ((.cse68 (select |v_#memory_int_79| v_append_~node~0.base_BEFORE_RETURN_1)) (.cse67 (select |v_#memory_int_78| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_7|))) (and |v_append_#t~short6_21| (= |v_#memory_int_83| (store |v_#memory_int_78| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_7| (store .cse67 4 (select (select |v_#memory_int_83| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_7|) 4)))) (= |v_#memory_int_79| (store |v_#memory_int_83| v_append_~node~0.base_BEFORE_RETURN_1 (store (select |v_#memory_int_83| v_append_~node~0.base_BEFORE_RETURN_1) 1 (select .cse68 1)))) (= (let ((.cse69 (store |v_#memory_$Pointer$.offset_49| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_7| (store (store .cse51 0 0) 4 0)))) (store .cse69 v_append_~node~0.base_BEFORE_RETURN_1 (store (store (select .cse69 v_append_~node~0.base_BEFORE_RETURN_1) 1 0) 5 0))) |c_old(#memory_$Pointer$.offset)|) (= (store |v_#memory_int_79| v_append_~node~0.base_BEFORE_RETURN_1 (store .cse68 5 (select (select |c_old(#memory_int)| v_append_~node~0.base_BEFORE_RETURN_1) 5))) |c_old(#memory_int)|) (= |v_append_#t~mem8.base_BEFORE_RETURN_1| |v_append_#t~mem8.base_17|) (= |v_append_#t~mem7.base_17| |v_append_#t~mem7.base_BEFORE_RETURN_1|) (= |v_append_#t~mem7.offset_BEFORE_RETURN_1| |v_append_#t~mem7.offset_17|) (= (let ((.cse70 (store |v_#memory_$Pointer$.base_49| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_7| (store (store .cse52 0 v_append_~node~0.base_BEFORE_RETURN_1) 4 v_append_~node~0.base_BEFORE_RETURN_1)))) (store .cse70 v_append_~node~0.base_BEFORE_RETURN_1 (store (store (select .cse70 v_append_~node~0.base_BEFORE_RETURN_1) 1 0) 5 0))) |c_old(#memory_$Pointer$.base)|) (= |v_#memory_int_78| (let ((.cse71 (store |v_#memory_int_157| v_append_~node~0.base_BEFORE_RETURN_1 .cse62))) (store .cse71 |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_7| (store (select .cse71 |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_7|) 0 (select .cse67 0))))) (= |v_append_#t~mem8.offset_17| |v_append_#t~mem8.offset_BEFORE_RETURN_1|))))) (= |c_old(#length)| (store |v_#length_35| v_append_~node~0.base_BEFORE_RETURN_1 9)) (or (and .cse53 .cse50 (= |v_append_#t~mem5.base_14| |v_append_#t~mem5.base_27|) (= |v_append_#t~mem5.offset_14| |v_append_#t~mem5.offset_27|)) (and |v_append_#t~short6_20| (= |v_append_#t~mem5.offset_14| .cse66) (= |v_append_#t~mem5.base_14| .cse64) (let ((.cse72 (= |v_append_#t~mem5.base_14| 0)) (.cse73 (= |v_append_#t~mem5.offset_14| 0))) (or (and .cse53 (or (not .cse72) (not .cse73))) (and |v_append_#t~short6_21| .cse72 .cse73))))) (= |v_#memory_$Pointer$.offset_49| (store |v_#memory_$Pointer$.offset_68| v_append_~node~0.base_BEFORE_RETURN_1 (store (select |v_#memory_$Pointer$.offset_68| v_append_~node~0.base_BEFORE_RETURN_1) 0 (select .cse65 0)))) (<= (+ v_append_~node~0.base_BEFORE_RETURN_1 1) |c_#StackHeapBarrier|) (not (= v_append_~node~0.base_BEFORE_RETURN_1 0)) (= (select |v_#valid_59| v_append_~node~0.base_BEFORE_RETURN_1) 0) (= (store |v_#memory_$Pointer$.base_68| v_append_~node~0.base_BEFORE_RETURN_1 (store (select |v_#memory_$Pointer$.base_68| v_append_~node~0.base_BEFORE_RETURN_1) 0 (select .cse63 0))) |v_#memory_$Pointer$.base_49|))))) (exists ((|v_old(#memory_int)_AFTER_CALL_3| (Array Int (Array Int Int))) (|v_#memory_int_34| (Array Int (Array Int Int))) (|v_#memory_int_35| (Array Int (Array Int Int))) (|v_#memory_int_36| (Array Int (Array Int Int))) (|v_#memory_int_156| (Array Int (Array Int Int)))) (let ((.cse74 (select |v_#memory_int_36| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_7|)) (.cse75 (select |v_#memory_int_156| 1)) (.cse76 (select |v_#memory_int_34| |c_append_#in~head.base|))) (and (= (store |v_#memory_int_156| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_7| (store (select |v_#memory_int_156| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_7|) 0 (select .cse74 0))) |v_#memory_int_36|) (= (select .cse75 1) 0) (= |v_#memory_int_35| (store |v_#memory_int_36| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_7| (store .cse74 4 (select (select |v_#memory_int_35| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_7|) 4)))) (= (select .cse75 0) 48) (= |v_#memory_int_34| (store |v_#memory_int_35| |c_append_#in~head.base| (store (select |v_#memory_int_35| |c_append_#in~head.base|) 0 (select .cse76 0)))) (= |v_old(#memory_int)_AFTER_CALL_3| (store |v_#memory_int_34| |c_append_#in~head.base| (store .cse76 4 (select (select |v_old(#memory_int)_AFTER_CALL_3| |c_append_#in~head.base|) 4))))))) .cse77 .cse78 .cse39) (and .cse46 .cse47 .cse36 .cse77 (exists ((|v_#memory_int_34| (Array Int (Array Int Int))) (|v_#memory_int_35| (Array Int (Array Int Int))) (|v_#memory_int_36| (Array Int (Array Int Int))) (|v_old(#memory_int)_AFTER_CALL_4| (Array Int (Array Int Int))) (|v_#memory_int_156| (Array Int (Array Int Int)))) (let ((.cse79 (select |v_#memory_int_36| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_7|)) (.cse80 (select |v_#memory_int_156| 1)) (.cse81 (select |v_#memory_int_34| |c_append_#in~head.base|))) (and (= (store |v_#memory_int_156| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_7| (store (select |v_#memory_int_156| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_7|) 0 (select .cse79 0))) |v_#memory_int_36|) (= (select .cse80 1) 0) (= |v_#memory_int_35| (store |v_#memory_int_36| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_7| (store .cse79 4 (select (select |v_#memory_int_35| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_7|) 4)))) (= (select .cse80 0) 48) (= (store |v_#memory_int_34| |c_append_#in~head.base| (store .cse81 4 (select (select |v_old(#memory_int)_AFTER_CALL_4| |c_append_#in~head.base|) 4))) |v_old(#memory_int)_AFTER_CALL_4|) (= |v_#memory_int_34| (store |v_#memory_int_35| |c_append_#in~head.base| (store (select |v_#memory_int_35| |c_append_#in~head.base|) 0 (select .cse81 0))))))) (exists ((|v_append_#t~mem5.offset_27| Int) (|v_#memory_int_78| (Array Int (Array Int Int))) (|v_#memory_int_79| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_49| (Array Int (Array Int Int))) (|v_append_#t~mem7.base_17| Int) (|v_append_#t~mem8.base_BEFORE_RETURN_2| Int) (|v_#memory_$Pointer$.base_68| (Array Int (Array Int Int))) (|v_append_#t~mem5.base_14| Int) (|v_append_#t~mem7.offset_BEFORE_RETURN_2| Int) (|v_#memory_$Pointer$.offset_68| (Array Int (Array Int Int))) (|v_append_#t~mem7.offset_17| Int) (|v_#memory_$Pointer$.offset_49| (Array Int (Array Int Int))) (|v_#valid_59| (Array Int Int)) (v_append_~node~0.base_BEFORE_RETURN_2 Int) (|v_append_#t~mem5.offset_14| Int) (|v_append_#t~mem5.base_27| Int) (|v_append_#t~mem8.offset_BEFORE_RETURN_2| Int) (|v_#length_35| (Array Int Int)) (|v_append_#t~mem8.base_17| Int) (|v_append_#t~mem7.base_BEFORE_RETURN_2| Int) (|v_#memory_int_157| (Array Int (Array Int Int))) (|v_append_#t~short6_21| Bool) (|v_#memory_int_80| (Array Int (Array Int Int))) (|v_#memory_int_81| (Array Int (Array Int Int))) (|v_append_#t~short6_20| Bool) (|v_append_#t~mem8.offset_17| Int) (|v_#memory_int_82| (Array Int (Array Int Int))) (|v_#memory_int_83| (Array Int (Array Int Int)))) (let ((.cse86 (select |v_#memory_$Pointer$.offset_49| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_7|)) (.cse87 (select |v_#memory_$Pointer$.base_49| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_7|))) (let ((.cse85 (not |v_append_#t~short6_20|)) (.cse88 (not |v_append_#t~short6_21|)) (.cse93 (select |v_#memory_$Pointer$.base_49| v_append_~node~0.base_BEFORE_RETURN_2)) (.cse90 (select .cse87 4)) (.cse82 (select |v_#memory_$Pointer$.offset_49| v_append_~node~0.base_BEFORE_RETURN_2)) (.cse89 (select .cse86 4))) (and (= (store |v_#memory_$Pointer$.offset_68| v_append_~node~0.base_BEFORE_RETURN_2 (store (select |v_#memory_$Pointer$.offset_68| v_append_~node~0.base_BEFORE_RETURN_2) 0 (select .cse82 0))) |v_#memory_$Pointer$.offset_49|) (let ((.cse84 (= (select .cse87 0) 0)) (.cse83 (= (select .cse86 0) 0))) (or (and (or (not .cse83) (not .cse84)) .cse85) (and .cse84 |v_append_#t~short6_20| .cse83))) (or (and .cse88 .cse85 (= |v_append_#t~mem5.base_14| |v_append_#t~mem5.base_27|) (= |v_append_#t~mem5.offset_14| |v_append_#t~mem5.offset_27|)) (and |v_append_#t~short6_20| (= |v_append_#t~mem5.offset_14| .cse89) (= |v_append_#t~mem5.base_14| .cse90) (let ((.cse91 (= |v_append_#t~mem5.base_14| 0)) (.cse92 (= |v_append_#t~mem5.offset_14| 0))) (or (and .cse88 (or (not .cse91) (not .cse92))) (and |v_append_#t~short6_21| .cse91 .cse92))))) (= (store |v_#valid_59| v_append_~node~0.base_BEFORE_RETURN_2 1) |c_old(#valid)|) (= (store |v_#memory_$Pointer$.base_68| v_append_~node~0.base_BEFORE_RETURN_2 (store (select |v_#memory_$Pointer$.base_68| v_append_~node~0.base_BEFORE_RETURN_2) 0 (select .cse93 0))) |v_#memory_$Pointer$.base_49|) (= 0 (select |v_#valid_59| v_append_~node~0.base_BEFORE_RETURN_2)) (<= (+ v_append_~node~0.base_BEFORE_RETURN_2 1) |c_#StackHeapBarrier|) (not (= v_append_~node~0.base_BEFORE_RETURN_2 0)) (let ((.cse97 (store (select |v_#memory_int_157| v_append_~node~0.base_BEFORE_RETURN_2) 0 |v_ULTIMATE.start_main_~userInput~1#1_17|))) (or (let ((.cse95 (select |v_#memory_int_78| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_7|)) (.cse99 (select |v_#memory_int_79| v_append_~node~0.base_BEFORE_RETURN_2))) (and (= |v_append_#t~mem8.offset_17| |v_append_#t~mem8.offset_BEFORE_RETURN_2|) |v_append_#t~short6_21| (= |v_append_#t~mem8.base_BEFORE_RETURN_2| |v_append_#t~mem8.base_17|) (= (let ((.cse94 (store |v_#memory_$Pointer$.base_49| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_7| (store (store .cse87 0 v_append_~node~0.base_BEFORE_RETURN_2) 4 v_append_~node~0.base_BEFORE_RETURN_2)))) (store .cse94 v_append_~node~0.base_BEFORE_RETURN_2 (store (store (select .cse94 v_append_~node~0.base_BEFORE_RETURN_2) 1 0) 5 0))) |c_old(#memory_$Pointer$.base)|) (= |v_#memory_int_83| (store |v_#memory_int_78| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_7| (store .cse95 4 (select (select |v_#memory_int_83| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_7|) 4)))) (= |v_#memory_int_78| (let ((.cse96 (store |v_#memory_int_157| v_append_~node~0.base_BEFORE_RETURN_2 .cse97))) (store .cse96 |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_7| (store (select .cse96 |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_7|) 0 (select .cse95 0))))) (= |v_append_#t~mem7.base_17| |v_append_#t~mem7.base_BEFORE_RETURN_2|) (= (let ((.cse98 (store |v_#memory_$Pointer$.offset_49| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_7| (store (store .cse86 0 0) 4 0)))) (store .cse98 v_append_~node~0.base_BEFORE_RETURN_2 (store (store (select .cse98 v_append_~node~0.base_BEFORE_RETURN_2) 1 0) 5 0))) |c_old(#memory_$Pointer$.offset)|) (= |c_old(#memory_int)| (store |v_#memory_int_79| v_append_~node~0.base_BEFORE_RETURN_2 (store .cse99 5 (select (select |c_old(#memory_int)| v_append_~node~0.base_BEFORE_RETURN_2) 5)))) (= |v_#memory_int_79| (store |v_#memory_int_83| v_append_~node~0.base_BEFORE_RETURN_2 (store (select |v_#memory_int_83| v_append_~node~0.base_BEFORE_RETURN_2) 1 (select .cse99 1)))) (= |v_append_#t~mem7.offset_BEFORE_RETURN_2| |v_append_#t~mem7.offset_17|))) (let ((.cse101 (store |v_#memory_$Pointer$.offset_49| v_append_~node~0.base_BEFORE_RETURN_2 (store (store .cse82 1 .cse89) 5 0))) (.cse105 (store |v_#memory_$Pointer$.base_49| v_append_~node~0.base_BEFORE_RETURN_2 (store (store .cse93 1 .cse90) 5 0)))) (let ((.cse102 (select (select .cse105 |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_7|) 4)) (.cse103 (+ (select (select .cse101 |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_7|) 4) 5)) (.cse106 (select |v_#memory_int_82| v_append_~node~0.base_BEFORE_RETURN_2))) (and .cse88 (= (let ((.cse100 (store .cse101 .cse102 (store (select .cse101 .cse102) .cse103 0)))) (store .cse100 |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_7| (store (select .cse100 |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_7|) 4 0))) |c_old(#memory_$Pointer$.offset)|) (= (let ((.cse104 (store .cse105 .cse102 (store (select .cse105 .cse102) .cse103 v_append_~node~0.base_BEFORE_RETURN_2)))) (store .cse104 |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_7| (store (select .cse104 |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_7|) 4 v_append_~node~0.base_BEFORE_RETURN_2))) |c_old(#memory_$Pointer$.base)|) (= |c_old(#memory_int)| (store |v_#memory_int_80| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_7| (store (select |v_#memory_int_80| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_7|) 4 .cse61))) (= (store |v_#memory_int_81| .cse102 (store (select |v_#memory_int_81| .cse102) .cse103 (select (select |v_#memory_int_80| .cse102) .cse103))) |v_#memory_int_80|) (= (store |v_#memory_int_157| v_append_~node~0.base_BEFORE_RETURN_2 (store .cse97 1 (select .cse106 1))) |v_#memory_int_82|) (= |v_#memory_int_81| (store |v_#memory_int_82| v_append_~node~0.base_BEFORE_RETURN_2 (store .cse106 5 (select (select |v_#memory_int_81| v_append_~node~0.base_BEFORE_RETURN_2) 5))))))))) (= (store |v_#length_35| v_append_~node~0.base_BEFORE_RETURN_2 9) |c_old(#length)|))))) .cse78 .cse39))))) .cse41) .cse45)))) .cse40 .cse42))) (= (store |v_#memory_$Pointer$.base_69| c_append_~node~0.base (store (select |v_#memory_$Pointer$.base_69| c_append_~node~0.base) 0 (select .cse19 0))) |v_#memory_$Pointer$.base_49|) (= |c_#length| (store |v_#length_36| c_append_~node~0.base 9)) (= (store |v_#memory_$Pointer$.offset_69| c_append_~node~0.base (store (select |v_#memory_$Pointer$.offset_69| c_append_~node~0.base) 0 (select .cse20 0))) |v_#memory_$Pointer$.offset_49|))))) (<= (+ c_append_~node~0.base 1) |c_#StackHeapBarrier|) (= c_append_~node~0.offset 0) (= c_append_~head.offset |c_append_#in~head.offset|) (not (= c_append_~node~0.base 0))) is different from false [2023-11-24 23:56:07,728 WARN L854 $PredicateComparison]: unable to prove that (and (= |c_ULTIMATE.start_main_~list~0#1.offset| 0) (<= |c_ULTIMATE.start_main_~userInput~1#1| 127) (<= 1 |c_#StackHeapBarrier|) (= |c_ULTIMATE.start_main_~list2~0#1.offset| 0) (let ((.cse13 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~list~0#1.base|) 4)) (.cse0 (<= (+ |c_ULTIMATE.start_main_~list2~0#1.base| 1) |c_#StackHeapBarrier|)) (.cse1 (<= (+ |c_ULTIMATE.start_main_~list~0#1.base| 1) |c_#StackHeapBarrier|)) (.cse2 (not (= |c_ULTIMATE.start_main_~list~0#1.base| 0))) (.cse29 (exists ((|v_#valid_58| (Array Int Int))) (and (= (select |v_#valid_58| 0) 0) (= (select |v_#valid_58| |c_ULTIMATE.start_main_~list~0#1.base|) 0) (= (select |v_#valid_58| 2) 1) (= (select (store |v_#valid_58| |c_ULTIMATE.start_main_~list~0#1.base| 1) |c_ULTIMATE.start_main_~list2~0#1.base|) 0) (= (select |v_#valid_58| 1) 1)))) (.cse30 (exists ((|v_#length_34| (Array Int Int))) (and (= (select |v_#length_34| 2) 18) (= 2 (select |v_#length_34| 1))))) (.cse31 (not (= |c_ULTIMATE.start_main_~list2~0#1.base| 0)))) (or (and .cse0 .cse1 .cse2 (exists ((|v_append_#t~mem5.offset_27| Int) (|v_#memory_int_78| (Array Int (Array Int Int))) (|v_#memory_int_79| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_49| (Array Int (Array Int Int))) (|v_append_#t~mem7.base_17| Int) (|v_append_#t~mem8.base_BEFORE_RETURN_2| Int) (|v_#memory_$Pointer$.base_68| (Array Int (Array Int Int))) (|v_append_#t~mem5.base_14| Int) (|v_append_#t~mem7.offset_BEFORE_RETURN_2| Int) (|v_#memory_$Pointer$.offset_68| (Array Int (Array Int Int))) (|v_append_#t~mem7.offset_17| Int) (|v_#memory_$Pointer$.offset_49| (Array Int (Array Int Int))) (|v_#valid_59| (Array Int Int)) (v_append_~node~0.base_BEFORE_RETURN_2 Int) (|v_append_#t~mem5.offset_14| Int) (|v_append_#t~mem5.base_27| Int) (|v_append_#t~mem8.offset_BEFORE_RETURN_2| Int) (|v_#length_35| (Array Int Int)) (|v_append_#t~mem8.base_17| Int) (|v_append_#t~mem7.base_BEFORE_RETURN_2| Int) (|v_#memory_int_157| (Array Int (Array Int Int))) (|v_append_#t~short6_21| Bool) (|v_#memory_int_80| (Array Int (Array Int Int))) (|v_#memory_int_81| (Array Int (Array Int Int))) (|v_append_#t~short6_20| Bool) (|v_append_#t~mem8.offset_17| Int) (|v_#memory_int_82| (Array Int (Array Int Int))) (|v_#memory_int_83| (Array Int (Array Int Int)))) (let ((.cse22 (select |v_#memory_$Pointer$.offset_49| |c_ULTIMATE.start_main_~list~0#1.base|)) (.cse19 (select |v_#memory_$Pointer$.base_49| |c_ULTIMATE.start_main_~list~0#1.base|))) (let ((.cse3 (select |v_#memory_$Pointer$.offset_49| v_append_~node~0.base_BEFORE_RETURN_2)) (.cse15 (select .cse19 4)) (.cse16 (select .cse22 4)) (.cse4 (not |v_append_#t~short6_21|)) (.cse24 (not |v_append_#t~short6_20|)) (.cse14 (select |v_#memory_$Pointer$.base_49| v_append_~node~0.base_BEFORE_RETURN_2))) (and (= (store |v_#memory_$Pointer$.offset_68| v_append_~node~0.base_BEFORE_RETURN_2 (store (select |v_#memory_$Pointer$.offset_68| v_append_~node~0.base_BEFORE_RETURN_2) 0 (select .cse3 0))) |v_#memory_$Pointer$.offset_49|) (let ((.cse11 (store (select |v_#memory_int_157| v_append_~node~0.base_BEFORE_RETURN_2) 0 |c_ULTIMATE.start_main_~userInput~1#1|))) (or (let ((.cse8 (store |v_#memory_$Pointer$.offset_49| v_append_~node~0.base_BEFORE_RETURN_2 (store (store .cse3 1 .cse16) 5 0))) (.cse10 (store |v_#memory_$Pointer$.base_49| v_append_~node~0.base_BEFORE_RETURN_2 (store (store .cse14 1 .cse15) 5 0)))) (let ((.cse5 (select (select .cse10 |c_ULTIMATE.start_main_~list~0#1.base|) 4)) (.cse6 (+ (select (select .cse8 |c_ULTIMATE.start_main_~list~0#1.base|) 4) 5)) (.cse12 (select |v_#memory_int_82| v_append_~node~0.base_BEFORE_RETURN_2))) (and .cse4 (= |v_#memory_int_80| (store |v_#memory_int_81| .cse5 (store (select |v_#memory_int_81| .cse5) .cse6 (select (select |v_#memory_int_80| .cse5) .cse6)))) (= |c_#memory_$Pointer$.offset| (let ((.cse7 (store .cse8 .cse5 (store (select .cse8 .cse5) .cse6 0)))) (store .cse7 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse7 |c_ULTIMATE.start_main_~list~0#1.base|) 4 0)))) (= |c_#memory_$Pointer$.base| (let ((.cse9 (store .cse10 .cse5 (store (select .cse10 .cse5) .cse6 v_append_~node~0.base_BEFORE_RETURN_2)))) (store .cse9 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse9 |c_ULTIMATE.start_main_~list~0#1.base|) 4 v_append_~node~0.base_BEFORE_RETURN_2)))) (= (store |v_#memory_int_157| v_append_~node~0.base_BEFORE_RETURN_2 (store .cse11 1 (select .cse12 1))) |v_#memory_int_82|) (= |v_#memory_int_81| (store |v_#memory_int_82| v_append_~node~0.base_BEFORE_RETURN_2 (store .cse12 5 (select (select |v_#memory_int_81| v_append_~node~0.base_BEFORE_RETURN_2) 5)))) (= (store |v_#memory_int_80| |c_ULTIMATE.start_main_~list~0#1.base| (store (select |v_#memory_int_80| |c_ULTIMATE.start_main_~list~0#1.base|) 4 .cse13)) |c_#memory_int|)))) (let ((.cse17 (select |v_#memory_int_79| v_append_~node~0.base_BEFORE_RETURN_2)) (.cse20 (select |v_#memory_int_78| |c_ULTIMATE.start_main_~list~0#1.base|))) (and (= |v_append_#t~mem8.offset_17| |v_append_#t~mem8.offset_BEFORE_RETURN_2|) |v_append_#t~short6_21| (= |v_append_#t~mem8.base_BEFORE_RETURN_2| |v_append_#t~mem8.base_17|) (= |v_append_#t~mem7.base_17| |v_append_#t~mem7.base_BEFORE_RETURN_2|) (= (store |v_#memory_int_79| v_append_~node~0.base_BEFORE_RETURN_2 (store .cse17 5 (select (select |c_#memory_int| v_append_~node~0.base_BEFORE_RETURN_2) 5))) |c_#memory_int|) (= (let ((.cse18 (store |v_#memory_$Pointer$.base_49| |c_ULTIMATE.start_main_~list~0#1.base| (store (store .cse19 0 v_append_~node~0.base_BEFORE_RETURN_2) 4 v_append_~node~0.base_BEFORE_RETURN_2)))) (store .cse18 v_append_~node~0.base_BEFORE_RETURN_2 (store (store (select .cse18 v_append_~node~0.base_BEFORE_RETURN_2) 1 0) 5 0))) |c_#memory_$Pointer$.base|) (= |v_#memory_int_79| (store |v_#memory_int_83| v_append_~node~0.base_BEFORE_RETURN_2 (store (select |v_#memory_int_83| v_append_~node~0.base_BEFORE_RETURN_2) 1 (select .cse17 1)))) (= (store |v_#memory_int_78| |c_ULTIMATE.start_main_~list~0#1.base| (store .cse20 4 (select (select |v_#memory_int_83| |c_ULTIMATE.start_main_~list~0#1.base|) 4))) |v_#memory_int_83|) (= (let ((.cse21 (store |v_#memory_$Pointer$.offset_49| |c_ULTIMATE.start_main_~list~0#1.base| (store (store .cse22 0 0) 4 0)))) (store .cse21 v_append_~node~0.base_BEFORE_RETURN_2 (store (store (select .cse21 v_append_~node~0.base_BEFORE_RETURN_2) 1 0) 5 0))) |c_#memory_$Pointer$.offset|) (= |v_#memory_int_78| (let ((.cse23 (store |v_#memory_int_157| v_append_~node~0.base_BEFORE_RETURN_2 .cse11))) (store .cse23 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse23 |c_ULTIMATE.start_main_~list~0#1.base|) 0 (select .cse20 0))))) (= |v_append_#t~mem7.offset_BEFORE_RETURN_2| |v_append_#t~mem7.offset_17|))))) (or (and .cse4 .cse24 (= |v_append_#t~mem5.base_14| |v_append_#t~mem5.base_27|) (= |v_append_#t~mem5.offset_14| |v_append_#t~mem5.offset_27|)) (and (= .cse15 |v_append_#t~mem5.base_14|) |v_append_#t~short6_20| (= |v_append_#t~mem5.offset_14| .cse16) (let ((.cse25 (= |v_append_#t~mem5.base_14| 0)) (.cse26 (= |v_append_#t~mem5.offset_14| 0))) (or (and .cse4 (or (not .cse25) (not .cse26))) (and |v_append_#t~short6_21| .cse25 .cse26))))) (let ((.cse27 (= (select .cse22 0) 0)) (.cse28 (= (select .cse19 0) 0))) (or (and .cse24 (or (not .cse27) (not .cse28))) (and |v_append_#t~short6_20| .cse27 .cse28))) (= (store |v_#memory_$Pointer$.base_68| v_append_~node~0.base_BEFORE_RETURN_2 (store (select |v_#memory_$Pointer$.base_68| v_append_~node~0.base_BEFORE_RETURN_2) 0 (select .cse14 0))) |v_#memory_$Pointer$.base_49|) (= 0 (select |v_#valid_59| v_append_~node~0.base_BEFORE_RETURN_2)) (= (store |v_#length_35| v_append_~node~0.base_BEFORE_RETURN_2 9) |c_#length|) (<= (+ v_append_~node~0.base_BEFORE_RETURN_2 1) |c_#StackHeapBarrier|) (not (= v_append_~node~0.base_BEFORE_RETURN_2 0)) (= |c_#valid| (store |v_#valid_59| v_append_~node~0.base_BEFORE_RETURN_2 1)))))) .cse29 .cse30 .cse31 (exists ((|v_#memory_int_34| (Array Int (Array Int Int))) (|v_#memory_int_35| (Array Int (Array Int Int))) (|v_#memory_int_36| (Array Int (Array Int Int))) (|v_old(#memory_int)_AFTER_CALL_4| (Array Int (Array Int Int))) (|v_#memory_int_156| (Array Int (Array Int Int)))) (let ((.cse32 (select |v_#memory_int_36| |c_ULTIMATE.start_main_~list~0#1.base|)) (.cse33 (select |v_#memory_int_156| 1)) (.cse34 (select |v_#memory_int_34| |c_ULTIMATE.start_main_~list2~0#1.base|))) (and (= |v_#memory_int_36| (store |v_#memory_int_156| |c_ULTIMATE.start_main_~list~0#1.base| (store (select |v_#memory_int_156| |c_ULTIMATE.start_main_~list~0#1.base|) 0 (select .cse32 0)))) (= (select .cse33 1) 0) (= |v_#memory_int_35| (store |v_#memory_int_36| |c_ULTIMATE.start_main_~list~0#1.base| (store .cse32 4 (select (select |v_#memory_int_35| |c_ULTIMATE.start_main_~list~0#1.base|) 4)))) (= |v_old(#memory_int)_AFTER_CALL_4| (store |v_#memory_int_34| |c_ULTIMATE.start_main_~list2~0#1.base| (store .cse34 4 (select (select |v_old(#memory_int)_AFTER_CALL_4| |c_ULTIMATE.start_main_~list2~0#1.base|) 4)))) (= (select .cse33 0) 48) (= |v_#memory_int_34| (store |v_#memory_int_35| |c_ULTIMATE.start_main_~list2~0#1.base| (store (select |v_#memory_int_35| |c_ULTIMATE.start_main_~list2~0#1.base|) 0 (select .cse34 0)))))))) (and (exists ((|v_append_#t~mem5.offset_27| Int) (|v_#memory_int_78| (Array Int (Array Int Int))) (|v_#memory_int_79| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_49| (Array Int (Array Int Int))) (|v_append_#t~mem7.base_17| Int) (|v_#memory_$Pointer$.base_68| (Array Int (Array Int Int))) (|v_append_#t~mem8.base_BEFORE_RETURN_1| Int) (|v_append_#t~mem5.base_14| Int) (|v_append_#t~mem7.offset_BEFORE_RETURN_1| Int) (|v_#memory_$Pointer$.offset_68| (Array Int (Array Int Int))) (|v_append_#t~mem7.offset_17| Int) (|v_#memory_$Pointer$.offset_49| (Array Int (Array Int Int))) (|v_#valid_59| (Array Int Int)) (v_append_~node~0.base_BEFORE_RETURN_1 Int) (|v_append_#t~mem5.offset_14| Int) (|v_append_#t~mem7.base_BEFORE_RETURN_1| Int) (|v_append_#t~mem5.base_27| Int) (|v_append_#t~mem8.offset_BEFORE_RETURN_1| Int) (|v_#length_35| (Array Int Int)) (|v_append_#t~mem8.base_17| Int) (|v_#memory_int_157| (Array Int (Array Int Int))) (|v_append_#t~short6_21| Bool) (|v_#memory_int_80| (Array Int (Array Int Int))) (|v_#memory_int_81| (Array Int (Array Int Int))) (|v_append_#t~short6_20| Bool) (|v_append_#t~mem8.offset_17| Int) (|v_#memory_int_82| (Array Int (Array Int Int))) (|v_#memory_int_83| (Array Int (Array Int Int)))) (let ((.cse45 (select |v_#memory_$Pointer$.offset_49| |c_ULTIMATE.start_main_~list~0#1.base|)) (.cse44 (select |v_#memory_$Pointer$.base_49| |c_ULTIMATE.start_main_~list~0#1.base|))) (let ((.cse36 (not |v_append_#t~short6_20|)) (.cse35 (not |v_append_#t~short6_21|)) (.cse37 (select .cse44 4)) (.cse41 (select |v_#memory_$Pointer$.offset_49| v_append_~node~0.base_BEFORE_RETURN_1)) (.cse38 (select .cse45 4)) (.cse54 (select |v_#memory_$Pointer$.base_49| v_append_~node~0.base_BEFORE_RETURN_1))) (and (= (store |v_#length_35| v_append_~node~0.base_BEFORE_RETURN_1 9) |c_#length|) (or (and .cse35 .cse36 (= |v_append_#t~mem5.base_14| |v_append_#t~mem5.base_27|) (= |v_append_#t~mem5.offset_14| |v_append_#t~mem5.offset_27|)) (and (= .cse37 |v_append_#t~mem5.base_14|) |v_append_#t~short6_20| (= |v_append_#t~mem5.offset_14| .cse38) (let ((.cse39 (= |v_append_#t~mem5.base_14| 0)) (.cse40 (= |v_append_#t~mem5.offset_14| 0))) (or (and .cse35 (or (not .cse39) (not .cse40))) (and |v_append_#t~short6_21| .cse39 .cse40))))) (= |v_#memory_$Pointer$.offset_49| (store |v_#memory_$Pointer$.offset_68| v_append_~node~0.base_BEFORE_RETURN_1 (store (select |v_#memory_$Pointer$.offset_68| v_append_~node~0.base_BEFORE_RETURN_1) 0 (select .cse41 0)))) (<= (+ v_append_~node~0.base_BEFORE_RETURN_1 1) |c_#StackHeapBarrier|) (not (= v_append_~node~0.base_BEFORE_RETURN_1 0)) (let ((.cse42 (= (select .cse45 0) 0)) (.cse43 (= (select .cse44 0) 0))) (or (and .cse36 (or (not .cse42) (not .cse43))) (and |v_append_#t~short6_20| .cse42 .cse43))) (= (select |v_#valid_59| v_append_~node~0.base_BEFORE_RETURN_1) 0) (let ((.cse49 (store (select |v_#memory_int_157| v_append_~node~0.base_BEFORE_RETURN_1) 0 |c_ULTIMATE.start_main_~userInput~1#1|))) (or (let ((.cse51 (store |v_#memory_$Pointer$.offset_49| v_append_~node~0.base_BEFORE_RETURN_1 (store (store .cse41 1 .cse38) 5 0))) (.cse53 (store |v_#memory_$Pointer$.base_49| v_append_~node~0.base_BEFORE_RETURN_1 (store (store .cse54 1 .cse37) 5 0)))) (let ((.cse46 (select |v_#memory_int_82| v_append_~node~0.base_BEFORE_RETURN_1)) (.cse47 (select (select .cse53 |c_ULTIMATE.start_main_~list~0#1.base|) 4)) (.cse48 (+ (select (select .cse51 |c_ULTIMATE.start_main_~list~0#1.base|) 4) 5))) (and .cse35 (= |v_#memory_int_81| (store |v_#memory_int_82| v_append_~node~0.base_BEFORE_RETURN_1 (store .cse46 5 (select (select |v_#memory_int_81| v_append_~node~0.base_BEFORE_RETURN_1) 5)))) (= |v_#memory_int_80| (store |v_#memory_int_81| .cse47 (store (select |v_#memory_int_81| .cse47) .cse48 (select (select |v_#memory_int_80| .cse47) .cse48)))) (= (store |v_#memory_int_157| v_append_~node~0.base_BEFORE_RETURN_1 (store .cse49 1 (select .cse46 1))) |v_#memory_int_82|) (= |c_#memory_$Pointer$.offset| (let ((.cse50 (store .cse51 .cse47 (store (select .cse51 .cse47) .cse48 0)))) (store .cse50 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse50 |c_ULTIMATE.start_main_~list~0#1.base|) 4 0)))) (= |c_#memory_$Pointer$.base| (let ((.cse52 (store .cse53 .cse47 (store (select .cse53 .cse47) .cse48 v_append_~node~0.base_BEFORE_RETURN_1)))) (store .cse52 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse52 |c_ULTIMATE.start_main_~list~0#1.base|) 4 v_append_~node~0.base_BEFORE_RETURN_1)))) (= (store |v_#memory_int_80| |c_ULTIMATE.start_main_~list~0#1.base| (store (select |v_#memory_int_80| |c_ULTIMATE.start_main_~list~0#1.base|) 4 .cse13)) |c_#memory_int|)))) (let ((.cse58 (select |v_#memory_int_78| |c_ULTIMATE.start_main_~list~0#1.base|)) (.cse55 (select |v_#memory_int_79| v_append_~node~0.base_BEFORE_RETURN_1))) (and |v_append_#t~short6_21| (= |v_#memory_int_79| (store |v_#memory_int_83| v_append_~node~0.base_BEFORE_RETURN_1 (store (select |v_#memory_int_83| v_append_~node~0.base_BEFORE_RETURN_1) 1 (select .cse55 1)))) (= |v_append_#t~mem8.base_BEFORE_RETURN_1| |v_append_#t~mem8.base_17|) (= (let ((.cse56 (store |v_#memory_$Pointer$.offset_49| |c_ULTIMATE.start_main_~list~0#1.base| (store (store .cse45 0 0) 4 0)))) (store .cse56 v_append_~node~0.base_BEFORE_RETURN_1 (store (store (select .cse56 v_append_~node~0.base_BEFORE_RETURN_1) 1 0) 5 0))) |c_#memory_$Pointer$.offset|) (= |v_append_#t~mem7.base_17| |v_append_#t~mem7.base_BEFORE_RETURN_1|) (= |v_append_#t~mem7.offset_BEFORE_RETURN_1| |v_append_#t~mem7.offset_17|) (= |c_#memory_$Pointer$.base| (let ((.cse57 (store |v_#memory_$Pointer$.base_49| |c_ULTIMATE.start_main_~list~0#1.base| (store (store .cse44 0 v_append_~node~0.base_BEFORE_RETURN_1) 4 v_append_~node~0.base_BEFORE_RETURN_1)))) (store .cse57 v_append_~node~0.base_BEFORE_RETURN_1 (store (store (select .cse57 v_append_~node~0.base_BEFORE_RETURN_1) 1 0) 5 0)))) (= (store |v_#memory_int_78| |c_ULTIMATE.start_main_~list~0#1.base| (store .cse58 4 (select (select |v_#memory_int_83| |c_ULTIMATE.start_main_~list~0#1.base|) 4))) |v_#memory_int_83|) (= |v_#memory_int_78| (let ((.cse59 (store |v_#memory_int_157| v_append_~node~0.base_BEFORE_RETURN_1 .cse49))) (store .cse59 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse59 |c_ULTIMATE.start_main_~list~0#1.base|) 0 (select .cse58 0))))) (= (store |v_#memory_int_79| v_append_~node~0.base_BEFORE_RETURN_1 (store .cse55 5 (select (select |c_#memory_int| v_append_~node~0.base_BEFORE_RETURN_1) 5))) |c_#memory_int|) (= |v_append_#t~mem8.offset_17| |v_append_#t~mem8.offset_BEFORE_RETURN_1|))))) (= |c_#valid| (store |v_#valid_59| v_append_~node~0.base_BEFORE_RETURN_1 1)) (= (store |v_#memory_$Pointer$.base_68| v_append_~node~0.base_BEFORE_RETURN_1 (store (select |v_#memory_$Pointer$.base_68| v_append_~node~0.base_BEFORE_RETURN_1) 0 (select .cse54 0))) |v_#memory_$Pointer$.base_49|))))) (exists ((|v_old(#memory_int)_AFTER_CALL_3| (Array Int (Array Int Int))) (|v_#memory_int_34| (Array Int (Array Int Int))) (|v_#memory_int_35| (Array Int (Array Int Int))) (|v_#memory_int_36| (Array Int (Array Int Int))) (|v_#memory_int_156| (Array Int (Array Int Int)))) (let ((.cse60 (select |v_#memory_int_36| |c_ULTIMATE.start_main_~list~0#1.base|)) (.cse61 (select |v_#memory_int_156| 1)) (.cse62 (select |v_#memory_int_34| |c_ULTIMATE.start_main_~list2~0#1.base|))) (and (= |v_#memory_int_36| (store |v_#memory_int_156| |c_ULTIMATE.start_main_~list~0#1.base| (store (select |v_#memory_int_156| |c_ULTIMATE.start_main_~list~0#1.base|) 0 (select .cse60 0)))) (= (select .cse61 1) 0) (= |v_#memory_int_35| (store |v_#memory_int_36| |c_ULTIMATE.start_main_~list~0#1.base| (store .cse60 4 (select (select |v_#memory_int_35| |c_ULTIMATE.start_main_~list~0#1.base|) 4)))) (= |v_old(#memory_int)_AFTER_CALL_3| (store |v_#memory_int_34| |c_ULTIMATE.start_main_~list2~0#1.base| (store .cse62 4 (select (select |v_old(#memory_int)_AFTER_CALL_3| |c_ULTIMATE.start_main_~list2~0#1.base|) 4)))) (= (select .cse61 0) 48) (= |v_#memory_int_34| (store |v_#memory_int_35| |c_ULTIMATE.start_main_~list2~0#1.base| (store (select |v_#memory_int_35| |c_ULTIMATE.start_main_~list2~0#1.base|) 0 (select .cse62 0))))))) .cse0 .cse1 .cse2 .cse29 .cse30 .cse31))) (<= 0 (+ |c_ULTIMATE.start_main_~userInput~1#1| 128))) is different from false